Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent
1976-11-24
1978-09-19
Freeh, William L.
Pumps
Expansible chamber type
Having pumping chamber pressure responsive distributor
F04B 2102
Patent
active
041150430
ABSTRACT:
A suction valve, preferably with a plate closing member, is made without any mechanical spring members and comprises a plate travel damper in the form of freely movable valve plate arranged on one or both sides of a pressure accumulating chambers having metering orifices through which flows gas under a mean pressure towards the closing orifice, a gas cushion is created to damp the travel of the plate.
REFERENCES:
patent: 1768638 (1930-07-01), Shenks
patent: 2908287 (1959-10-01), Augustin
patent: 3369563 (1968-02-01), Domingor
patent: 3416724 (1968-12-01), Lenkel
patent: 3792718 (1974-02-01), Kohler
Bykov Alexandr Vasilievich
Gruzintsev Igor Andreevich
Kalnin Igor Martynovich
Scherbakov Vsevolod Sergeevich
Adams Bruce L.
Burns Robert E.
Freeh William L.
Lobato Emmanuel J.
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