High-pressure plunger pump

Details High-pressure plunger pump High-pressure plunger pump

1977-04-19

1979-03-27

Freeh, William L.

Pumps

Expansible chamber type

Including valve assembly, disassembly, or inspection...

417457, F04B 3912, F04B 3914

Patent

active

041463552

ABSTRACT:
A housing has an interior provided with two communicating compartments, and valve seats are located between these compartments. An inlet communicates with one and an outlet with the other of the compartments. A pressure valve is located in the other compartment and sealingly engages one of the valve seats unless the pressure in the one compartment exceeds the pressure in the other compartment. A plunger is reciprocable in the one compartment toward and away from the valve seat between a suction stroke and an expelling stroke. A suction valve member slidably engages the plunger and is guided solely by the same. The suction valve member sealingly engages the valve seats and moves out of engagement with the same to travel with the plunger during the suction stroke. An abutment limits the travel of the suction valve member during the suction stroke of the plunger.

REFERENCES:
patent: 466094 (1891-12-01), Evered
patent: 777827 (1904-12-01), Willmann
patent: 1511484 (1924-10-01), Peterson
patent: 1768102 (1930-06-01), Bellem
patent: 1940524 (1933-12-01), Bellem et al.
patent: 2345693 (1944-04-01), Wilson et al.
patent: 2361316 (1944-10-01), Newton et al.
patent: 2537742 (1951-01-01), Collins
patent: 3811801 (1974-05-01), Buse et al.
patent: 3868048 (1975-02-01), Soodacter

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