Pump head for a high pressure pump

Details Pump head for a high pressure pump Pump head for a high pressure pump

F - Mech Eng,Light,Heat,Weapons

04

B

103/139

F04B 39/10 (2006.01) F04B 53/00 (2006.01)

Patent

CA 1310228

ABSTRACT A PUMP HEAD FOR A HIGH PRESSURE PUMP A stress and fatigue resistant pump head for a high pressure pump has a manifold, a valve cartridge, inlet and outlet valves in the valve cartridge, a pump fluid cylinder with a reciprocating plunger therein, and a packing cartridge with packing for the plunger. In the pump cylinder, a recess has an outer portion of larger diameter than an inner portion. Outer portion threadedly engages the packing cartridge and has an inner shoulder surface. The packing cartridge has an inner end face contacting the shoulder surface, and an exterior threaded cylindrical surface for engagement with mating threads on the pump fluid cylinder recess. An end face of the packing cartridge has an indented portion about the periphery of the interior edge thereof. An O-ring seal is disposed in the indented portion and creates an effective high pressure seal between the packing cartridge nut and the pump fluid cylinder means. A front bushing is designed to increase the volumetric efficiency of the pump head.

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