Gear pump with minimized canitation

Details Gear pump with minimized canitation Gear pump with minimized canitation

1996-04-15

1997-08-26

Vrablik, John J.

Pumps

With condition responsive pumped fluid control

Fluid flow rate responsive

417310, 418 15, 418170, F04B 4902, F04C 210, F04C 1502

Patent

active

056605315

ABSTRACT:
The invention relates to a gear pump with two delivery gears meshing with one another, said gears cooperating in the rotation direction in front of or behind a plane containing the gear axes with a pressure and/or suction line. According to the invention, excess delivered pumping medium is introduced through a separate line behind the connection of the suction line in the circumferential direction of the gears, into the tooth spaces of the delivery gears in order to prevent any cavitation that might occur.

REFERENCES:
patent: 2774309 (1956-12-01), Stoyke et al.
patent: 3182596 (1965-05-01), Prijatel
patent: 3291060 (1966-12-01), Bottoms
patent: 3356032 (1967-12-01), Roeske
patent: 3635604 (1972-01-01), Petersen et al.
patent: 3730656 (1973-05-01), Lambeth
patent: 3824041 (1974-07-01), Rystrom
DEA2933493 (Daimler-Benz AG) Answer 1, 1996, Derwent Information Ltd. Abstract of patent document.

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