Patent ID: 6793463
Filing Date: 2004-09-21
Classification: F04B

Abstract:
A method of assembling a tandem pump apparatus, comprising:selecting a first pump, wherein the first pump comprises a first housing, a first end cap having hydraulic porting formed therein, a first cylinder block mounted on the first end cap and located in the first housing, and a first pump shaft extending into the first housing to rotatably drive the first cylinder block; selecting a second pump, wherein the second pump comprises a second housing, a second end cap having hydraulic porting formed therein, a second cylinder block mounted on the second end cap and located in the second housing, and a second pump shaft extending into the second housing to rotatably drive the second cylinder block; selecting an interface plate having a first side and a second side; mounting the first side of the interface plate to the first end cap and mounting the second side of the interface plate to the second pump housing.