Rotating scroll machine with oil pump

Details Rotating scroll machine with oil pump Rotating scroll machine with oil pump

1989-03-30

1990-11-27

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 88, 418 94, 418188, F01C 104, F01C 2104, F04C 2702

Patent

active

049732323

ABSTRACT:
A scroll machine comprises a pair of scrolls 18, 21 rotating on different axes to form a compression chamber A therebetween and discharging compressed gas in the compression chamber B to a discharge chamber, a pair of boss portions 16b, 17b immersed in lubricant oil for rotatably supporting the respective scrolls through bearing means, a first oil supply path 16c; 43 formed in one of the boss portions for communication with a bearing receiving recess 16d; 17a of the one boss portion, a second oil supply path 18b; 44, 45 formed in one of the scrolls on the side of the one boss portion for communication of the first oil supply path with the compression chamber through the recess, and a pump 33; 42 coupled to a shaft portion of the one scroll for supporting it rotatably within the bearing boss portions and for supplying oil in the discharge chamber to the first oil supply path.

REFERENCES:
patent: 4781550 (1988-11-01), Morishita et al.
patent: 4846640 (1989-07-01), Nishida et al.
patent: 4898521 (1990-02-01), Sakurai et al.

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