Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent
1993-09-03
1995-08-29
Bertsch, Richard A.
Pumps
Motor driven
Including means utilizing pump fluid for augmenting cooling,...
184 618, 418 94, 418 46, 418 556, F01C 2104, F01M 300, F04C 2700
Patent
active
054455049
ABSTRACT:
A sealed compressor for use in an air conditioner or a refrigerator. The sealed compressor has an electrically driving portion which includes a rotor having a dust reservoir for collecting and storing dust or the like, which reservoir is formed in the central part of the rotor. Further, the dust reservoir is connected to a through hole, in which lubricating oil flows, of a driving shaft through a horizontal hole. Thus, dust contained in lubricating oil are moved outward by centrifugal force. Further, when dust enter the dust reservoir, such dusts are stored therein. Furthermore, the stored dust cannot get out of the dust reservoir. As the result, dust contained in the lubricating oil can be prevented from getting into the sliding portion. Moreover, the sliding portion can be prevented from being damaged by dust contained in the lubricating oil. Consequently, a sealed compressor with high reliability can be provided.
REFERENCES:
patent: 3830341 (1974-08-01), Davies et al.
patent: 4621993 (1986-11-01), Nakamura et al.
patent: 4724928 (1988-02-01), Lewis et al.
patent: 4907951 (1990-03-01), Wisner
patent: 5007808 (1991-04-01), Fraser, Jr. et al.
patent: 5168960 (1992-12-01), DiFlora
Iwamura Shinji
Muramatsu Shigeru
Yamada Sadayuki
Bertsch Richard A.
Kim Ted
Matsushita Electric - Industrial Co., Ltd.
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