High pressure reciprocating pump

Details High pressure reciprocating pump High pressure reciprocating pump

1988-06-21

1990-05-01

Smith, Leonard E.

Pumps

Expansible chamber type

Valved piston

417570, F04B 2100

Patent

active

049214098

ABSTRACT:
An improvement in high pressure reciprocating plunger pumps is disclosed which is characterized by a small residual volume and mechanical simplicity. The plunger is provided with a central bore which carries fluid to or from a valve located at the terminal end of the plunger. This valve may be either an intake or discharge valve. Another valve is provided with access to the pumping chamber. This second valve has a tapered exterior surface which is adapted to press-fitting and hydraulic removal. Both valve actuation movements are colinear with the direction of plunger travel.

REFERENCES:
patent: 214769 (1879-04-01), Garrison
patent: 384633 (1888-06-01), Lourie
patent: 718771 (1903-01-01), Kerfoot
patent: 740892 (1903-10-01), Meyer
patent: 811181 (1906-01-01), Sterne
patent: 866832 (1907-09-01), Whitaker
patent: 898659 (1908-09-01), Kuehl
patent: 1663737 (1928-03-01), Thompson
patent: 2862450 (1958-12-01), McDonnell
patent: 3125119 (1964-03-01), Righgels
patent: 4239463 (1980-12-01), Yaindl
patent: 4688999 (1987-08-01), Ames et al.
"JSW Plunger Pump", Japan Steel Works Co., Ltd., date unknown.

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