High volume dispensing pump

Details High volume dispensing pump High volume dispensing pump

1979-07-23

1981-06-09

Freeh, William L.

Pumps

Expansible chamber type

Moving cylinder

417556, 222383, 222556, F04B 2104, B67D 542, F04B 1900

Patent

active

042722284

ABSTRACT:
A high volume, low profile, quick acting, dispensing pump features valve members provided with flow restricting passages which accelerate the opening and closing action of the valve members and thus make it possible for the pump to handle large volume quickly. The low profile is achieved by wrapping the pressurized compartment around the intake of the pump.

REFERENCES:
patent: 2984190 (1961-05-01), Dibley et al.
patent: 3270689 (1966-09-01), Hettinga
patent: 3352463 (1967-11-01), Berler
patent: 3474939 (1969-10-01), O'Donnell et al.
patent: 3507586 (1970-04-01), Gronemeyer et al.
patent: 3527551 (1970-09-01), Kutik et al.
patent: 3907174 (1970-09-01), Steiman
patent: 4071172 (1978-01-01), Balogh

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