US 12,448,585 B2 · Production of cylinder oil

A method for producing a cylinder oil for a marine reciprocating internal combustion engine, the method comprising:

providing a first fluid having a first kinematic viscosity and a first BN;
providing a second fluid having a second kinematic viscosity and a second BN;
providing a third fluid having a third kinematic viscosity and a third BN;
obtaining data identifying a target kinematic viscosity of a cylinder oil to be produced;
obtaining data identifying a target BN of the cylinder oil to be produced;
obtaining data identifying the kinematic viscosity and the BN of each of the first fluid, the second fluid, and the third fluid;
either:
(a) based on at least the target kinematic viscosity of the cylinder oil to be produced, the kinematic viscosity and the BN of each of the first fluid, the second fluid, and the third fluid, determining a BN range for the cylinder oil having an upper limit and a lower limit, the determining the BN range for the cylinder oil comprising:
solving:
B
⁢
N
C
⁢
1
=
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
3
Equation
⁢
(
1
)
BN
C
⁢
2
=
V
⁢
i
2
⁢
B
⁢
N
1
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
1
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
1
Equation
⁢
(
2
)
BN
C
⁢
3
=
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
1
V
⁢
i
1
-
V
⁢
i
3
Equation
⁢
(
3
)
wherein:
BNC1 is a first calculated BN for the cylinder oil,
BNC2 is a second calculated BN for the cylinder oil,
BNC3 is a third calculated BN for the cylinder oil,
ViC(T) is a value corresponding to the target kinematic viscosity of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the highest value of BNC1, BNC2, and BNC3;
setting the determined highest value as the upper limit of the determined BN range;
determining the second-highest value of BNC1, BNC2, and BNC3;
setting the determined second-highest value as the lower limit of the determined BN range;
and
determining that the target BN of the cylinder oil is equal to the upper limit or lower limit of the determined BN range, or is between the upper limit and lower limit of the determined BN range, and
determining a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determining that the target BN of the cylinder oil is greater than the determined upper limit of the determined BN range, and
determining a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the upper limit of the determined BN range;
or
determining that the target BN of the cylinder oil is lower than the determined lower limit of the determined BN range, and
determining a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the lower limit of the determined BN range;
or
(b) based on at least the target BN of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determining a kinematic viscosity range for the cylinder oil having an upper limit and a lower limit, the determining the kinematic viscosity range for the cylinder oil comprising:
solving;
V
⁢
i
C
⁢
1
=
-
V
⁢
i
3
⁢
B
⁢
N
2
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
2
Equation
⁢
(
4
)
Vi
C
⁢
2
=
-
V
⁢
i
2
⁢
B
⁢
N
1
-
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
2
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
2
-
B
⁢
N
1
Equation
⁢
(
5
)
Vi
C
⁢
3
=
-
V
⁢
i
3
⁢
B
⁢
N
1
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
1
Equation
⁢
(
6
)
wherein:
ViC1 is a first calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC2 is a second calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC3 is a third calculated value corresponding to a kinematic viscosity for the cylinder oil,
BNC(T) is the target BN of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the lowest value of ViC1, ViC2, and ViC3;
setting the determined lowest value as the lower limit of the determined kinematic viscosity range;
determining the second-lowest value of ViC1, ViC2, and ViC3;
setting the determined second-lowest value as the upper limit of the determined kinematic viscosity range;
and
determining that the target kinematic viscosity of the cylinder oil is equal to the upper limit or lower limit of the determined kinematic viscosity range, or is between the upper limit and lower limit of the determined kinematic viscosity range, and
determining a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determining that the target kinematic viscosity of the cylinder oil is greater than the determined upper limit of the determined kinematic viscosity range, and
determining a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the upper limit of the determined kinematic viscosity range;
or
determining that the target kinematic viscosity of the cylinder oil is lower than the determined lower limit of the determined kinematic viscosity range, and
determining a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the lower limit of the determined kinematic viscosity range;
and
blending the first fluid, second fluid, and third fluid in the determined ratio to produce the cylinder oil.

462 more elements

An apparatus for the preparation of a cylinder oil comprising:

a blender;
a first container for containing a first fluid having a first kinematic viscosity and a first BN, the first container in selectable fluid communication with the blender;
a second container for containing a second fluid having a second kinematic viscosity and a second BN;
the second container in selectable fluid communication with the blender;
a third container for containing a third fluid having a third kinematic viscosity and a third BN, the third container in selectable fluid communication with the blender;
and
a controller configured to operate in a first mode and/or a second mode and:
obtain data identifying a target kinematic viscosity of the cylinder oil to be produced;
obtain data identifying a target BN of the cylinder oil to be produced;
obtain data identifying the kinematic viscosity and BN of each of the first fluid, the second fluid, and the third fluid;
wherein, when operated in the first mode, the controller is further configured to:
based on at least the target kinematic viscosity of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determine a BN range for the cylinder oil having an upper limit and a lower limit, the determining the BN range comprising:
solving:
B
⁢
N
C
⁢
1
=
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
3
Equation
⁢
(
1
)
BN
C
⁢
2
=
V
⁢
i
2
⁢
B
⁢
N
1
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
1
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
1
Equation
⁢
(
2
)
BN
C
⁢
3
=
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
1
V
⁢
i
1
-
V
⁢
i
3
Equation
⁢
(
3
)
wherein:
BNC1 is a first calculated BN for the cylinder oil,
BNC2 is a second calculated BN for the cylinder oil,
BNC3 is a third calculated BN for the cylinder oil,
ViC(T) is a value corresponding to the target kinematic viscosity of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid
determining the highest value of BNC1, BNC2, and BNC3;
setting the determined highest value as the upper limit of the determined BN range;
determining the second-highest value of BNC1, BNC2, and BNC3;
and
setting the determined second-highest value as the lower limit of the determined BN range, and
determine that the target BN of the cylinder oil is equal to the upper limit or lower limit of the determined BN range, or is between the upper limit and lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target BN of the cylinder oil is greater than the determined upper limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the upper limit of the determined BN range;
or
determine that the target BN of the cylinder oil is lower than the determined lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the lower limit of the determined BN range;
and
cause the blender to blend the first fluid, second fluid, and third fluid in the determined ratio to produce the cylinder oil;
and
wherein, when operated in the second mode, the controller is further configured to:
based on at least the target BN of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determine a kinematic viscosity range for the cylinder oil having an upper limit and a lower limit, the determining the kinematic viscosity range comprising:
solving:
V
⁢
i
C
⁢
1
=
-
V
⁢
i
3
⁢
B
⁢
N
2
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
2
Equation
⁢
(
4
)
Vi
C
⁢
2
=
-
V
⁢
i
2
⁢
B
⁢
N
1
-
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
2
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
2
-
B
⁢
N
1
Equation
⁢
(
5
)
Vi
C
⁢
3
=
-
V
⁢
i
3
⁢
B
⁢
N
1
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
1
Equation
⁢
(
6
)
wherein:
ViC1 is a first calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC2 is a second calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC3 is a third calculated value corresponding to a kinematic viscosity for the cylinder oil,
BNC(T) is the target BN of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the lowest value of ViC1, ViC2, and ViC3;
setting the determined lowest value as the lower limit of the determined kinematic viscosity range;
determining the second-lowest value of ViC1, ViC2, and ViC3;
and
setting the determined second-lowest value as the upper limit of the determined kinematic viscosity range;
and
determine that the target kinematic viscosity of the cylinder oil is equal to the upper limit or lower limit of the determined kinematic viscosity range, or is between the upper limit and lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target kinematic viscosity of the cylinder oil is greater than the determined upper limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the upper limit of the determined kinematic viscosity range;
or
determine that the target kinematic viscosity of the cylinder oil is lower than the determined lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the lower limit of the determined kinematic viscosity range;
and
cause the blender to blend the first fluid, second fluid, and third fluid in the determined ratio to produce the cylinder oil.

470 more elements

A non-transitory computer-readable storage medium storing instructions that, when executed by a processor, cause the processor to:

obtain data identifying a target kinematic viscosity of a cylinder oil to be produced;
obtain data identifying a target BN of the cylinder oil to be produced;
obtain data identifying the kinematic viscosity and BN of each of a first fluid, a second fluid, and a third fluid;
either:
(a) based on at least the target kinematic viscosity of the cylinder oil to be produced, the kinematic viscosity and the BN of each of the first fluid, the second fluid, and the third fluid, determine a BN range for the cylinder oil having an upper limit and a lower limit, the determining the BN range comprising:
solving:
B
⁢
N
C
⁢
1
=
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
3
Equation
⁢
(
1
)
BN
C
⁢
2
=
V
⁢
i
2
⁢
B
⁢
N
1
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
1
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
1
Equation
⁢
(
2
)
BN
C
⁢
3
=
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
1
V
⁢
i
1
-
V
⁢
i
3
Equation
⁢
(
3
)
wherein:
BNC1 is a first calculated BN for the cylinder oil,
BNC2 is a second calculated BN for the cylinder oil,
BNC3 is a third calculated BN for the cylinder oil,
ViC(T) is a value corresponding to the target kinematic viscosity of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid
determining the highest value of BNC1, BNC2, and BNC3;
setting the determined highest value as the upper limit of the determined BN range;
determining the second-highest value of BNC1, BNC2, and BNC3;
and
setting the determined second-highest value as the lower limit of the determined BN range;
and
determine that the target BN of the cylinder oil is equal to the upper limit or lower limit of the determined BN range, or is between the upper limit and lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target BN of the cylinder oil is greater than the determined upper limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the upper limit of the determined BN range;
or
determine that the target BN of the cylinder oil is lower than the determined lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the lower limit of the determined BN range;
or
(b) based on at least the target BN of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determine a kinematic viscosity range for the cylinder oil having an upper limit and a lower limit;
the determining the kinematic viscosity range comprising:
solving:
V
⁢
i
C
⁢
1
=
-
V
⁢
i
3
⁢
B
⁢
N
2
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
2
Equation
⁢
(
4
)
Vi
C
⁢
2
=
-
V
⁢
i
2
⁢
B
⁢
N
1
-
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
2
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
2
-
B
⁢
N
1
Equation
⁢
(
5
)
Vi
C
⁢
3
=
-
V
⁢
i
3
⁢
B
⁢
N
1
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
1
Equation
⁢
(
6
)
wherein:
ViC1 is a first calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC2 is a second calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC3 is a third calculated value corresponding to a kinematic viscosity for the cylinder oil
BNC(T) is the target BN of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the lowest value of ViC1, ViC2, and ViC3;
setting the determined lowest value as the lower limit of the determined kinematic viscosity range;
determining the second-lowest value of ViC1, ViC2, and ViC3;
and
setting the determined second-lowest value as the upper limit of the determined kinematic viscosity range;
and
determine that the target kinematic viscosity of the cylinder oil is equal to the upper limit or lower limit of the determined kinematic viscosity range, or is between the upper limit and lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target kinematic viscosity of the cylinder oil is greater than the determined upper limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the upper limit of the determined kinematic viscosity range;
or
determine that the target kinematic viscosity of the cylinder oil is lower than the determined lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the lower limit of the determined kinematic viscosity range;
and
generate an instruction for a blender to blend the first fluid, second fluid, and third fluid in the determined ratio.

462 more elements

A marine vessel comprising at least one selected from:

an apparatus for the preparation of a cylinder oil comprising:
a blender;
a first container for containing a first fluid having a first kinematic viscosity and a first BN, the first container in selectable fluid communication with the blender;
a second container for containing a second fluid having a second kinematic viscosity and a second BN;
the second container in selectable fluid communication with the blender;
a third container for containing a third fluid having a third kinematic viscosity and a third BN, the third container in selectable fluid communication with the blender;
and
a controller configured to operate in a first mode and/or a second mode and:
obtain data identifying a target kinematic viscosity of the cylinder oil to be produced;
obtain data identifying a target BN of the cylinder oil to be produced;
obtain data identifying the kinematic viscosity and BN of each of the first fluid, the second fluid, and the third fluid;
wherein, when operated in the first mode, the controller is further configured to:
based on at least the target kinematic viscosity of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determine a BN range for the cylinder oil having an upper limit and a lower limit, the determining the BN range for the cylinder oil comprising:
solving:
B
⁢
N
C
⁢
1
=
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
3
Equation
⁢
(
1
)
BN
C
⁢
2
=
V
⁢
i
2
⁢
B
⁢
N
1
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
1
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
1
Equation
⁢
(
2
)
BN
C
⁢
3
=
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
1
V
⁢
i
1
-
V
⁢
i
3
Equation
⁢
(
3
)
wherein:
BNC1 is a first calculated BN for the cylinder oil,
BNC2 is a second calculated BN for the cylinder oil,
BNC3 is a third calculated BN for the cylinder oil,
ViC(T) is a value corresponding to the target kinematic viscosity of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the highest value of BNC1, BNC2, and BNC3;
setting the determined highest value as the upper limit of the determined BN range;
determining the second-highest value of BNC1, BNC2, and BNC3;
setting the determined second-highest value as the lower limit of the determined BN range;
and
determine that the target BN of the cylinder oil is equal to the upper limit or lower limit of the determined BN range, or is between the upper limit and lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target BN of the cylinder oil is greater than the determined upper limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the upper limit of the determined BN range;
or
determine that the target BN of the cylinder oil is lower than the determined lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the lower limit of the determined BN range;
cause the blender to blend the first fluid, second fluid, and third fluid in the determined ratio to produce the cylinder oil;
and
wherein, when operated in the second mode, the controller is further configured to:
based on at least the target BN of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determine a kinematic viscosity range for the cylinder oil having an upper limit and a lower limit, the determining the kinematic viscosity range for the cylinder oil comprising:
solving;
V
⁢
i
C
⁢
1
=
-
V
⁢
i
3
⁢
B
⁢
N
2
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
2
Equation
⁢
(
4
)
Vi
C
⁢
2
=
-
V
⁢
i
2
⁢
B
⁢
N
1
-
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
2
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
2
-
B
⁢
N
1
Equation
⁢
(
5
)
Vi
C
⁢
3
=
-
V
⁢
i
3
⁢
B
⁢
N
1
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
1
Equation
⁢
(
6
)
wherein:
ViC1 is a first calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC2 is a second calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC3 is a third calculated value corresponding to a kinematic viscosity for the cylinder oil
BNC(T) is the target BN of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the lowest value of ViC1, ViC2, and ViC3;
setting the determined lowest value as the lower limit of the determined kinematic viscosity range;
determining the second-lowest value of ViC1, ViC2, and ViC3;
setting the determined second-lowest value as the upper limit of the determined kinematic viscosity range;
and
determine that the target kinematic viscosity of the cylinder oil is equal to the upper limit or lower limit of the determined kinematic viscosity range, or is between the upper limit and lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target kinematic viscosity of the cylinder oil is greater than the determined upper limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the upper limit of the determined kinematic viscosity range;
or
determine that the target kinematic viscosity of the cylinder oil is lower than the determined lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the lower limit of the determined kinematic viscosity range;
and
cause the blender to blend the first fluid, second fluid, and third fluid in the determined ratio to produce the cylinder oil;
or
a non-transitory computer-readable storage medium storing instructions that, when executed by a processor, cause the processor to:
obtain data identifying a target kinematic viscosity of a cylinder oil to be produced;
obtain data identifying a target BN of the cylinder oil to be produced;
obtain data identifying the kinematic viscosity and BN of each of a first fluid, a second fluid, and a third fluid;
either:
(a) based on at least the target kinematic viscosity of the cylinder oil to be produced, the kinematic viscosity and the BN of each of the first fluid, the second fluid, and the third fluid, determine a BN range for the cylinder oil having an upper limit and a lower limit, the determining the BN range for the cylinder oil comprising:
solving:
B
⁢
N
C
⁢
1
=
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
3
Equation
⁢
(
1
)
BN
C
⁢
2
=
V
⁢
i
2
⁢
B
⁢
N
1
+
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
2
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
1
⁢
B
⁢
N
2
V
⁢
i
2
-
V
⁢
i
1
Equation
⁢
(
2
)
BN
C
⁢
3
=
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
1
-
V
⁢
i
C
⁡
(
T
)
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
3
-
V
⁢
i
3
⁢
B
⁢
N
1
V
⁢
i
1
-
V
⁢
i
3
Equation
⁢
(
3
)
wherein:
BNC1 is a first calculated BN for the cylinder oil,
BNC2 is a second calculated BN for the cylinder oil,
BNC3 is a third calculated BN for the cylinder oil,
ViC(T) is a value corresponding to the target kinematic viscosity of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the highest value of BNC1, BNC2, and BNC3;
setting the determined highest value as the upper limit of the determined BN range;
determining the second-highest value of BNC1, BNC2, and BNC3;
setting the determined second-highest value as the lower limit of the determined BN range;
and
determine that the target BN of the cylinder oil is equal to the upper limit or lower limit of the determined BN range, or is between the upper limit and lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target BN of the cylinder oil is greater than the determined upper limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the upper limit of the determined BN range;
or
determine that the target BN of the cylinder oil is lower than the determined lower limit of the determined BN range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the lower limit of the determined BN range;
or
(b) based on at least the target BN of the cylinder oil to be produced, the kinematic viscosity of each of the first fluid, second fluid, and third fluid, and the BN of each of the first fluid, second fluid, and third fluid, determine a kinematic viscosity range for the cylinder oil having an upper limit and a lower limit, the determining the kinematic viscosity range for the cylinder oil comprising:
solving;
V
⁢
i
C
⁢
1
=
-
V
⁢
i
3
⁢
B
⁢
N
2
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
2
⁢
B
⁢
N
3
+
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
2
Equation
⁢
(
4
)
Vi
C
⁢
2
=
-
V
⁢
i
2
⁢
B
⁢
N
1
-
V
⁢
i
2
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
2
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
2
-
B
⁢
N
1
Equation
⁢
(
5
)
Vi
C
⁢
3
=
-
V
⁢
i
3
⁢
B
⁢
N
1
-
V
⁢
i
3
⁢
B
⁢
N
C
⁡
(
T
)
-
V
⁢
i
1
⁢
B
⁢
N
3
+
V
⁢
i
1
⁢
B
⁢
N
C
⁡
(
T
)
B
⁢
N
3
-
B
⁢
N
1
Equation
⁢
(
6
)
wherein:
ViC1 is a first calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC2 is a second calculated value corresponding to a kinematic viscosity for the cylinder oil,
ViC3 is a third calculated value corresponding to a kinematic viscosity for the cylinder oil
BNC(T) is the target BN of the cylinder oil to be produced,
Vi1 is a value corresponding to the kinematic viscosity of the first fluid,
Vi2 is a value corresponding to the kinematic viscosity of the second fluid,
Vi3 is a value corresponding to the kinematic viscosity of the third fluid,
BN1 is the BN of the first fluid or a value corresponding to the BN of the first fluid,
BN2 is the BN of the second fluid or a value corresponding to the BN of the second fluid, and
BN3 is the BN of the third fluid or a value corresponding to the BN of the third fluid;
determining the lowest value of ViC1, ViC2, and ViC3;
setting the determined lowest value as the lower limit of the determined kinematic viscosity range;
determining the second-lowest value of ViC1, ViC2, and ViC3;
setting the determined second-lowest value as the upper limit of the determined kinematic viscosity range;
and
determine that the target kinematic viscosity of the cylinder oil is equal to the upper limit or lower limit of the determined kinematic viscosity range, or is between the upper limit and lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target kinematic viscosity and the target BN;
or
determine that the target kinematic viscosity of the cylinder oil is greater than the determined upper limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the upper limit of the determined kinematic viscosity range;
or
determine that the target kinematic viscosity of the cylinder oil is lower than the determined lower limit of the determined kinematic viscosity range, and
determine a ratio of first fluid, second fluid, and third fluid which corresponds to the target BN and the lower limit of the determined kinematic viscosity range;
and
generate an instruction for a blender to blend the first fluid, second fluid, and third fluid in the determined ratio.

933 more elements

Production of cylinder oil

Life of this patent

Production of cylinder oil

Life of this patent

Abstract

Claims9