Remote steering system with a single rod cylinder and manual hyd

Details Remote steering system with a single rod cylinder and manual hyd Remote steering system with a single rod cylinder and manual hyd

1998-02-17

2000-05-02

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Pump means moves motive fluid from one chamber to an...

60476, 91487, 91503, 417270, 417297, F16D 3102

Patent

active

060558091

ABSTRACT:
A hydraulic piston pump 1 includes a distributing valve 11 having a pair of arcuate or circular ports 11a and 11b formed through it. The arcuate port 11b is shorter circumferentially than the arcuate port 11a to reduce, by a predetermined amount, the amount of pressure oil to be discharged from and sucked into the pump through it. The valve 11 also has a pair of tank ports 11c and 11d formed through it circumferentially on both sides of the shorter port 11b. The circumferential dimensions of the tank ports 11c and 11d correspond to the predetermined amount of oil.

REFERENCES:
patent: 2802426 (1957-08-01), Garwood
patent: 3271954 (1966-09-01), Marsee et al.
patent: 3411294 (1968-11-01), Hedermann
patent: 3587235 (1971-06-01), Goff et al.
patent: 3738228 (1973-06-01), Harrison
patent: 4961316 (1990-10-01), Corke et al.
patent: 5285641 (1994-02-01), Goto et al.

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