Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1999-02-24
2000-10-10
Denion, Thomas
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 552, 418 55, 418 87, 418 97, 417269, 622285, 62498, 92 122, F04C 1800
Patent
active
061295329
ABSTRACT:
A CO.sub.2 compressor is disclosed for forcing and moving a lubricant under discharge pressure. If the oil path is reduced in size or a pressure reducing part is inserted to handle the large differential pressure caused between the discharge pressure and the intake pressure, the oil path would become liable to be easily clogged by foreign matter. In view of this, an intermittent oil supply mechanism is formed in the oil path using the sliding contact portion between a fixed member of the compressor body and a movable member. Thus, the substantial lubrication time period is shortened and the amount of oil supplied is limited.
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Kato Hiroyasu
Nakashima Masafumi
Sakai Takeshi
Uchida Kazuhide
Denion Thomas
Denso Corporation
Trieu Thai-Ba
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