Rotary kinetic fluid motors or pumps – Including means for handling working fluid leakage – Leakage through seal between runner or shaft and static part
Patent
1991-09-30
1992-10-13
Kwon, John T.
Rotary kinetic fluid motors or pumps
Including means for handling working fluid leakage
Leakage through seal between runner or shaft and static part
417362, 41742311, 277 23, F01D 2500
Patent
active
051545764
ABSTRACT:
A channel type vehicle water pump drip collector provides improved efficiency and capacity and a simple installation. The internal volume enclosed by a retainer that is snap fitted onto the housing is filled with an absorbent material. Leaking coolant is soaked up, rather than puddling at the bottom of the channel. Therefore, a leak proof, welded connection is not needed. In the embodiment disclosed, a retainer for the ring is attached by flexible teeth, and the spaces between the teeth provide air vents through which absorbed coolant may gradually evaporate to the outside.
REFERENCES:
patent: 823077 (1906-06-01), Pitman
patent: 2191917 (1940-02-01), Sheldrick
patent: 2375085 (1945-05-01), Curtis
patent: 3549277 (1970-12-01), DeKiss et al.
patent: 4380416 (1983-04-01), Menager
patent: 4722662 (1988-02-01), Morgan
patent: 5071316 (1991-12-01), Diem et al.
Baker Steven F.
Behrman Brent R.
Dorski Ronald L.
Tengowski Joseph L.
Turner John L.
General Motors Corporation
Griffin Patrick M.
Kwon John T.
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