Gear pump

Details Gear pump Gear pump

1993-12-15

1995-10-31

Behisch, Richard A.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

418141, 277 16, 277 22, 277134, F01C 1900

Patent

active

054624207

ABSTRACT:
A gear pump comprising a housing for housing gear pump rotors in a housing interior, said housing having a housing end at an end face side of the housing through which at least one pump rotor shaft is guided from the housing interior to outside the housing, a shaft bearing in the housing end for rotatably supporting the rotor shaft, and a labyrinth seal in the housing end which in use surrounds the rotor shaft, wherein the shaft bearing is arranged separately from the labyrinth seal at a position spaced axially inward toward the housing interior with respect to the labyrinth seal.

REFERENCES:
patent: 1072421 (1913-09-01), Brown
patent: 3473474 (1969-10-01), Martinaglia
patent: 3945779 (1976-03-01), Vlemmings et al.
patent: 3976405 (1976-08-01), Geiger et al.
patent: 4293291 (1981-10-01), Link
patent: 4336213 (1982-06-01), Fox
patent: 4471963 (1984-09-01), Airhart

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