Pressurized fluid supply circuit comprising a variable displacem

Details Pressurized fluid supply circuit comprising a variable displacem Pressurized fluid supply circuit comprising a variable displacem

1985-01-29

1986-06-24

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Plural pumps with individual or relative control

417218, 60452, F04B 4900

Patent

active

045965170

ABSTRACT:
The invention relates to a supply circuit supplying two pressure-using members in parallel, by means of a power-regulated variable displacement pump. Manipulators, associated to the distributors controlling said pressure-using members are fed with a fluid whose pressure can vary as a function of the speed driving the pump and are of a potentiometric type. The invention finds an application in the supply circuit of a hydraulic shovel.

REFERENCES:
patent: 3785754 (1974-01-01), Miller
patent: 3788773 (1974-01-01), Van der Kolk
patent: 3788774 (1974-01-01), Roesslein
patent: 3952509 (1976-04-01), Coleman
patent: 4065228 (1977-12-01), McMillan
patent: 4350078 (1982-09-01), Olofsson
Proceedings of the National Conference on Fluid Power, Oct. 21, 22, 23, 1975, vol. XXIX, Thirty First Annual Meeting, sponsored by Illinois Institute of Technology, Chicago, IL 60616.

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