Pump head

Details Pump head Pump head

1986-12-30

1988-07-19

Freeh, William L.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417454, 417571, 92168, 277 35, 277 60, 277 71, F04B 3910, F04B 3914, F16J 1518, B65D 5300

Patent

active

047581352

ABSTRACT:
A pump and a stress and fatigue resistant pump head, one embodiment of which is useful for a high pressure pump and having a manifold, a valve cartridge, inlet and outlet valves in the valve cartridge, a pump fluid cylinder with a reciprocating plunger therein, a packing cartridge with packing for the plunger. The pump head may exhibit one or more of the following features: a. increased diameter packing cartridge; b. increased length front bushing; c. inclined inlet valve; d. inlet valve spring in valve cartridge on manifold side of valve; e. decreased diameter of high pressure seal of packing cartridge.

REFERENCES:
patent: 2230501 (1941-02-01), MacArthur
patent: 2841092 (1958-07-01), Whiteman et al.
patent: 3373695 (1968-03-01), Yohpe
patent: 3598418 (1971-08-01), Ward
patent: 3785659 (1974-01-01), Maurer
patent: 3811801 (1974-05-01), Buse
patent: 3870439 (1975-03-01), Stachowiak et al.
patent: 3907307 (1975-09-01), Maurer
patent: 4141676 (1979-02-01), Janner
patent: 4277229 (1981-07-01), Pacht
patent: 4551077 (1985-11-01), Pacht
patent: 4621566 (1986-11-01), Johnson
"Recommended Practices for the Use of Manually Operated High Pressure Water Jetting Equipment", The Water Jet Technology Association, Jun. 1985, p. 4, Section 4.0; p. 8.

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