Sleeve pump

Details Sleeve pump Sleeve pump

1987-04-01

1988-07-05

Smith, Leonard E.

Pumps

Expansible chamber type

Mechanically actuated distributor

417469, F04B 2106

Patent

active

047551135

ABSTRACT:
A compact sleeve pump is provided that is particularly adaptable to fluid dispensing systems having multiple pump groupings. The sleeve pump includes a generally cylindrical valving spool and generally cylindrical dispensing piston, shiftably received within opposite ends of a generally tubular pump sleeve. Sealing members shiftably carried between the valving spool and pump sleeve provide, in conjunction with the selective shifting of the valving spool within the pump sleeve, for the inflow and expulsion of fluid from the pump.

REFERENCES:
patent: 287053 (1883-10-01), Powers
patent: 315442 (1885-04-01), Powers
patent: 3837378 (1974-09-01), Kanki et al.
patent: 4690310 (1987-09-01), Rasmussen

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