Gear machine with bearing cooling and lubrication

Details Gear machine with bearing cooling and lubrication Gear machine with bearing cooling and lubrication

1975-04-10

1977-07-26

Vrablik, John J.

Rotary expansible chamber devices

Shaft or trunnion lubrication or sealing by diverted working...

418131, 418206, F01C 2104, F03C 300, F01C 118

Patent

active

040380009

ABSTRACT:
A gear machine, such as a gear pump or gear motor, has a housing in a chamber of which there are journalled two gears which mesh with one another. The shafts of the gears are journalled for rotation in bearing sleeves. The housing has an intake for fluid at low pressure and an outlet for fluid at high pressure. The gaps between the teeth of the gears which receive fluid at low pressure communicate with the intake exclusively by way of passages which extend in part along the sleeves and shafts, so that the entire quantity of incoming fluid is compelled to travel in these passages and to cool and lubricate the sleeves and shafts.

REFERENCES:
patent: 1927749 (1933-09-01), Kimmig
patent: 2460649 (1949-02-01), Muller
patent: 2655108 (1953-10-01), Osborne
patent: 2974605 (1961-03-01), Murray
patent: 2986096 (1961-05-01), Booth et al.
patent: 3447472 (1969-06-01), Hodges et al.
patent: 3478694 (1969-11-01), Morando
patent: 3528756 (1970-09-01), Norlin et al.

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