Hydraulic drive assembly

Details Hydraulic drive assembly Hydraulic drive assembly

1991-02-11

1992-06-09

Bertsch, Richard A.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

417236, 417441, 188290, F04B 4900, F04B 4100, F16D 5700

Patent

active

051202000

ABSTRACT:
In accordance with the present invention there is provided a hydraulic drive assembly including a driven member having a hydraulic pump located therein for selectively circulating liquids within the driven member, a drive shaft connected to the driven member for turning the drive shaft of the hydraulic pump, and a control member for selectively varying the flow of fluids from the pump.

REFERENCES:
patent: 2901192 (1953-08-01), Nystrand
patent: 3426687 (1969-02-01), Murray
patent: 3568821 (1971-03-01), Gronkvist
patent: 3771919 (1973-04-01), Wright et al.
patent: 3974910 (1976-08-01), Papai
patent: 4013166 (1977-03-01), Weady et al.
patent: 4265386 (1981-05-01), Levy et al.
patent: 4832656 (1989-05-01), Rado
patent: 4908905 (1990-03-01), Kanno et al.
patent: 4934123 (1990-06-01), Salzsauler

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