High pressure axial piston pump with multiple discharge ports

A high pressure axial piston pump with a plurality of discharge ports, the pump comprising:

• a pump housing defined by a central borehole, an intake end having at least one intake port and a discharge end having the plurality of discharge ports, the intake port enabling passage of a fluid into the pump housing, the discharge ports enabling discharge of the fluid from the pump housing, the discharge ports extending along respective longitudinal axes that intersect at an angle of 122 degrees in a plane and terminating at discrete termination points at an external surface of the pump housing, the termination points being in a spaced apart relationship;
• a cylinder block being housed in the pump housing, the cylinder block being defined by a plurality of piston chambers arranged in a circular array around the central borehole, the piston chambers carrying the fluid between the intake port and the discharge ports;
• whereby the plane is perpendicular to an axis of rotation of the cylinder block;
• multiple delivery lines carrying the fluid from the intake port to the discharge ports;
• a rotatable drive shaft concentrically disposed through the central borehole of the cylinder block, the drive shaft driving the cylinder block to rotate about the axis of rotation;
• a tilted cam disposed in the cylinder block, the tilted cam being tilted at an angle relative to the axis of rotation followed by the cylinder block;
• and
• a plurality of pistons axially disposed through the piston chambers of the cylinder block, the pistons defined by a cam end and a block end, the cam end being constrained to follow the surface of the tilted cam, allowing a cyclic reciprocal movement of the pistons,
• whereby as the cylinder block rotates, the pistons reciprocate in a sinusoidal axial motion,
• whereby when the pistons move proximally toward the tilted cam, the block end restricts passage of the fluid through the intake port, and the cam end enables passage of the fluid through the discharge outlets,
• whereby when the pistons move distally from the tilted cam, the block end enables free passage of the fluid through the intake port, and the cam end restricts passage of the fluid through the discharge ports.

A high pressure axial piston pump with multiple discharge ports, the pump consisting of:

• a pump housing being defined by a central borehole, at least one intake port and two discharge ports, the intake port enabling passage of a fluid into the pump housing, the discharge ports enabling discharge of the fluid from the pump housing, the discharge ports extending along respective longitudinal axes that intersect at an angle of 122 degrees in a plane, the discharge ports in a spaced apart relationship at an external surface of the pump housing and being in fluid communication with a plurality of oil rails, whereby the discharge ports carry the fluid to the oil rails, each oil rail is in fluid communication with at least one injector of a diesel engine having an engine displacement of 7.3 liters, the pump housing being fabricated at least partially from a billet aluminum material;
• a cylinder block disposed in the pump housing, the cylinder block being defined by a plurality of piston chambers arranged in a circular array around the central borehole, the piston chambers carrying the fluid between the intake port and the discharge ports, the cylinder block being fabricated at least partially from the billet aluminum material;
• whereby the plane is perpendicular to an axis of rotation of the cylinder block;
• a fluid supply line in fluid communication with the intake port, the fluid supply line supplying the fluid to the intake port;
• multiple delivery lines in fluid communication with the fluid supply line, the delivery lines carrying the fluid from the intake port to the discharge ports;
• a rotatable drive shaft concentrically disposed through the central borehole of the cylinder block, the drive shaft driving the cylinder block at variable speeds to rotate about the axis of rotation;
• a tilted cam disposed in the cylinder block, the tilted cam being tilted at an angle relative to the axis of rotation followed by the cylinder block, the angle of the tilted cam being adjustably variable;
• a plurality of pistons axially disposed through the piston chambers of the cylinder block, the pistons defined by a cam end and a block end, the cam end being constrained to follow the surface of the tilted cam, the pistons reciprocating through the piston cylinders in correlation with the rotational speed of the drive shaft, allowing a cyclic reciprocal movement of the pistons,
• whereby as the cylinder block rotates, the pistons reciprocate in a sinusoidal axial motion,
• whereby when the pistons move proximally toward the tilted cam, the block end restricts passage of the fluid through the intake port, and the cam end enables passage of the fluid through the discharge outlets,
• whereby when the pistons move distally from the tilted cam, the block end enables free passage of the fluid through the intake port, and the cam end restricts passage of the fluid through the discharge ports;
• and
• a rotary valve disposed at the block end of the pistons.