US 10,539,065 B2 · Engine assembly with intercooler

Abstract

A method of operating an engine assembly receiving fuel, including admitting atmospheric air at a temperature T1 through an inlet of a compressor having a pressure ratio of PRGT, compressing the air in the compressor, cooling the compressed air from the compressor through an intercooler to cool the air from a temperature TBIC to a temperature TAIC, delivering the cooled compressed air from the intercooler to an inlet of an intermittent internal combustion engine having an effective volumetric compression ratio rVC, and further compressing the air in the intermittent internal combustion engine before igniting the fuel, where ( PR GT ) a ⁢ ( r VC ) b ⁢ ( T AIC T BIC ) ⁢ ( T 1 T A ) < 1. An engine assembly is also discussed.

Claims24

Dependent claims

A method operating an engine assembly receiving fuel, the method comprising:

admitting air at a temperature T1 through an inlet of a compressor;
compressing the air via the compressor to achieve a pressure ratio of PRGT;
cooling the compressed air from the compressor through an intercooler, the intercooler cooling the air from a temperature TBIC to a temperature TAIC;
delivering the cooled compressed air from the intercooler to an intermittent internal combustion engine, the intermittent internal combustion engine having an effective volumetric compression ratio rvc;
and
further compressing the air in the intermittent internal combustion engine before igniting the fuel;
wherein
(
PR
GT
)
a
⁢
(
r
VC
)
b
⁢
(
T
AIC
T
BIC
)
⁢
(
T
1
T
A
)
<
1
,
where:
TA is an auto ignition temperature of the fuel in the intermittent internal combustion engine;
T1, TA, TBIC and TAIC are in degrees Rankine and measured by sensors;
and
a and b are dimensionless constants greater than or equal to zero.

37 more elements

Dependencies are inferred from the claim text.

Engine assembly with intercooler

Life of this patent

Engine assembly with intercooler

Life of this patent

Abstract

Claims24