Gear pump

Details Gear pump Gear pump

1975-03-18

1977-02-01

Husar, C. J.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

F04C 1500

Patent

active

040059529

ABSTRACT:
A low-noise, high-pressure, high-performance gear pump, including pressure balancing means comprising pairs of surrounding seal members positioned between side walls of a pump casing and bearing means for bearing a driving and driven shafts associated with respective intermeshing gears to form pressure chambers between each pair of said pairs of surrounding seal members, and passage means provided through said bearing means for leading oil under intermediate pressure into said pressure chamber; and oil recovering means suitably associated with said pressure balancing means to enable the smooth recovery of oil used for lubrication.

REFERENCES:
patent: 3173374 (1965-03-01), Beimfohr

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