Hydrostatic piston machine having small clearances between beari

Details Hydrostatic piston machine having small clearances between beari Hydrostatic piston machine having small clearances between beari

1974-10-29

1977-07-05

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Control valve seating surface contact maintained by fluid...

308DIG4, 91486, 91498, F01B 1306, F16C 3500

Patent

active

040332373

ABSTRACT:
A floating bearing ring is disposed between each bearing surface of the fixed pin and the guide member for the pistons and in spaced relation to each. The clearance of the bearing rings from the pin bearing surfaces is less than the clearance of the bearing rings from the guide member. Upon heating of the pin, the bearing rings simultaneously heat up to the same temperature to maintain their clearance. This prevents seizing of the bearing rings and, in turn, the guide member on the pin during use.

REFERENCES:
patent: 2689531 (1954-09-01), Benedik
patent: 2827859 (1958-03-01), Crane
patent: 3148627 (1964-09-01), Muller
patent: 3211105 (1965-10-01), Bush et al.
patent: 3468263 (1969-09-01), Niemiec
patent: 3545338 (1970-12-01), Lucien
patent: 3777624 (1973-12-01), Dixon
patent: 3935794 (1976-03-01), Rumsey
patent: 3943826 (1976-03-01), Kita

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