Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing
Patent
1997-02-05
1999-07-20
Vrablik, John J.
Rotary expansible chamber devices
Heat exchange or non-working fluid lubricating or sealing
418102, 418104, 4182063, 4182066, 4182067, 384138, 384321, F04C 218, F04C 1500, F16C 3374, F16C 3700
Patent
active
059248548
ABSTRACT:
In order to cool the slide bearing area for the slidable bearing of a gear pump shaft, a slide bearing bush with a slide bearing area and, in the case of the guiding-through of a shaft, a sealing area extends in one piece integrally to the outside, and a cooling-medium guiding system provided in the bush is connected from the outside. This eliminates all sealing problems for the cooling medium feeding to the slide bearing area.
REFERENCES:
patent: 2775209 (1956-12-01), Albright
patent: 3437048 (1969-04-01), Noell et al.
patent: 4329128 (1982-05-01), Forgues
patent: 4515512 (1985-05-01), Hertell et al.
Blume Peter
Stehr Roger
Maag Pump Systems AG
Vrablik John J.
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