Plunger pump

Details Plunger pump Plunger pump

1991-04-12

1993-03-23

Smith, Leonard E.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417435, 417454, 137539, F04B 2102

Patent

active

051958767

ABSTRACT:
The invention consists of a liquid end for a plunger pump, having vertical inlet and outlet, with the suction and discharge valves readily accessible for maintenance without disturbig the suction and discharge piping. The liquid end also includes a relief valve which is accessible without disturbing suction or discharge piping. The passages to and from the relief valve are internal to the housing. Inserts are provided in the valves to eliminate dead space and to facilitate the removal of any trapped air which might adversely affect the performance of the pump.

REFERENCES:
patent: 1166224 (1915-12-01), Kimes
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patent: 2998827 (1961-09-01), Cook et al.
patent: 3726612 (1973-04-01), Greene, Jr.
patent: 3746476 (1973-07-01), Bradley
patent: 3801234 (1974-04-01), Love et al.
patent: 4269572 (1981-05-01), Nozawa et al.
patent: 4477237 (1984-10-01), Grable
patent: 4618316 (1986-10-01), Elliott et al.
patent: 4778347 (1988-10-01), Mize
patent: 4854835 (1989-08-01), Onishi
patent: 4911405 (1990-03-01), Weissgerber
patent: 4977927 (1990-12-01), Hill

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