Compact electro-hydraulic unit

Details Compact electro-hydraulic unit Compact electro-hydraulic unit

1996-08-08

1997-12-02

Thorpe, Timothy

Pumps

With muffler acting on pump fluid

418181, F04B 3900

Patent

active

056928831

ABSTRACT:
A compact electro-hydraulic unit in which an electric motor drives an hydraulic pump having pinions and a pump body, with a cavity containing the pinions, the pump body comprising sound wave absorbing cavities surrounding at least partially the cavity containing the pinions. Some at least of the cavities communicate, by means of a side surface of the pump body, with a chamber of a cover leading to a fitting of a utilization circuit and with an outlet of the cavity containing the pinions, the cavities being supplied with a hydraulic fluid under high pressure.

REFERENCES:
patent: 3121529 (1964-02-01), Hubrich
patent: 4174196 (1979-11-01), Mori et al.
patent: 4486160 (1984-12-01), Lipscombe
patent: 4557678 (1985-12-01), Nishimura
patent: 4752195 (1988-06-01), Friedrich et al.
patent: 5401150 (1995-03-01), Brown
patent: 5507151 (1996-04-01), Ring et al.

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