Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Patent
1993-07-12
1994-11-08
Look, Edward K.
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
For shaft sealing, packing, lubricating or bearing means
415110, 384462, F01D 2522, F04D 2906
Patent
active
053622014
ABSTRACT:
A motor vehicle water pump lubricating chamber arrangement having a housing in which a pump shaft is rotatably journalled which carries a running wheel at a free end thereof and which in a lower region adjoining the running wheel has at least one seal. In a region above the lower seal between the pump shaft and the housing there is provided a chamber filled with lubricating medium so that any fluid lubricant which can otherwise discharge around the shaft will have such fluid caught in the lubricating medium chamber rather than escaping with any trace and track of escaping fluid along any external surface of the water pump which could mislead someone to prematurely replacing the water pump when such replacement is not yet necessary. The pump shaft is journalled free of play via roller bearings including roller bodies pressed into the raceways provided on the pump shaft and on the housing respectively.
REFERENCES:
patent: 1704362 (1929-03-01), Johnson
patent: 2694981 (1954-11-01), Daugherty et al.
patent: 4439096 (1984-03-01), Rockwood et al.
patent: 4936742 (1990-06-01), Eguchi et al.
patent: 5261676 (1993-11-01), Rockwood
Schlotzer Eugen
Uhrner Klaus-Jurgen
KACO GmbH & Co.
Lee Michael S.
Look Edward K.
Reuther Albert H.
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