Balanced vane oil pumps

Details Balanced vane oil pumps Balanced vane oil pumps

1982-09-15

1984-09-25

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Normally open bypass or relief passage closed by increased...

417304, 417308, 417310, F04B 4902, F04B 4908

Patent

active

044733410

ABSTRACT:
In an oil pump having two pump cartridges each acting as independent pumps, a pair of suction passages and a pair of discharge passages opened in a pair of pump chambers in the pump cartridges are formed in one pump body secured to one side of the cartridges, a flow control valve is contained in an opening extending in an axial direction of the pump body, and a pressure sensitive flow passage change over valve is contained in another valve opening perpendicular to the valve opening. The two valve openings are communicated with the discharge and suction openings.

REFERENCES:
patent: 4400139 (1983-08-01), Masuda et al.
patent: 4408964 (1983-10-01), Mochizaki et al.
patent: 4421462 (1983-12-01), Ohe

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