Reversible, variable-displacement piston pump with positioner me

Details Reversible, variable-displacement piston pump with positioner me Reversible, variable-displacement piston pump with positioner me

1975-06-20

1977-06-07

Croyle, Carlton R.

Pumps

Condition responsive control of drive transmission or pump...

Reversible flow pump

417222, 60444, 60452, F04B 126, F16D 3102

Patent

active

040280101

ABSTRACT:
A variable displacement pump having a tiltable swash plate including a pair of servo mechanisms for controlling discharge of pump fluid includes a zero displacement positioner for automatically returning the pump swash plate to a central, neutral position to discontinue pumping action if pump pressure is lost or if linkage controlling one of the servo mechanisms should break or otherwise fail.

REFERENCES:
patent: 2594790 (1952-04-01), Morley
patent: 3106057 (1963-10-01), Manning et al.
patent: 3130684 (1964-04-01), Firth et al.
patent: 3302585 (1967-02-01), Adams et al.
patent: 3489094 (1970-01-01), Vaughan et al.
patent: 3643550 (1972-02-01), Lease
patent: 3654758 (1972-04-01), Aoyama et al.
patent: 3732037 (1973-05-01), Carlson
patent: 3738779 (1973-06-01), Hein et al.
patent: 3834836 (1974-09-01), Hein et al.
patent: 3881317 (1975-05-01), Swoager

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