Pumps – Condition responsive control of drive transmission or pump... – Having means to hold or resist movement of pumping element
Patent
1983-11-17
1985-05-07
Look, Edward K.
Pumps
Condition responsive control of drive transmission or pump...
Having means to hold or resist movement of pumping element
417470, 417571, F04B 4900
Patent
active
045155305
ABSTRACT:
A reciprocating piston compressor which is driven by a rotating camshaft and cam. An auxiliary piston is located below the compression piston. The auxiliary piston is movable by a regulated control pressure against the compression piston so that the compression piston is stopped at its top dead center position. Thus, the reciprocating piston compressor is disabled since the compression piston is no longer driven by the rotating camshaft and cam.
REFERENCES:
patent: 2064750 (1936-12-01), Hurst
patent: 2407343 (1946-09-01), Pyne et al.
patent: 2699757 (1955-01-01), Tornkvist et al.
patent: 2982466 (1961-05-01), Pier
patent: 3072061 (1963-01-01), Cameron
Look Edward K.
Sotak J. B.
Wabco Westinghouse Fahrzeugbremsen GmbH
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