Pumps – With condition responsive pumped fluid control – Plural pump units with individual or relative control
Patent
1979-05-23
1981-12-22
Taylor, Billy S.
Pumps
With condition responsive pumped fluid control
Plural pump units with individual or relative control
137118, F04B 4900
Patent
active
043068405
ABSTRACT:
A differential pressure actuated valve is displaced from a spring-biased, stabilized position to a stabilized pump-changeover position in response to increasing pump pressure. The valve actuating pressure is varied in both directions of valve movement between the stabilized positions by variation of the restriction passage flow area through which the pressure differential is developed for actuating the valve.
REFERENCES:
patent: 3882678 (1975-05-01), Fassbender
patent: 4002027 (1977-01-01), Eley et al.
patent: 4116577 (1978-09-01), Lauck
Taylor Billy S.
Zahnradfabrik Friedrichshafen AG.
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