Scroll type fluid apparatus with lubrication of rotation prevent

Details Scroll type fluid apparatus with lubrication of rotation prevent Scroll type fluid apparatus with lubrication of rotation prevent

1985-06-17

1987-01-20

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 88, 418 94, 464 7, 464102, F01C 104, F01C 2104, F16D 304, F16N 100

Patent

active

046377867

ABSTRACT:
A scroll type fluid apparatus having a rotation preventing mechanism provided with a sliding member engageable with the outer surface of a bearing portion at an orbiting scroll and regulating the radial movement of the sliding member in reciprocating movement, and a sliding member holder engageable with the outer surface of the sliding member so as to regulate the movement of the sliding member in the direction perpendicular to the moving direction of the bearing portion. Spaces formed before and behind the sliding member in the sliding direction thereof are utilized as oil chambers respectively, whereby lubricating oil pumped-up from an oil pickup provided at a crankshaft is forcibly fed by the pump action caused by sliding motion of the sliding member onto the slidable contact surface of a thrust bearing supporting the orbiting scroll.

REFERENCES:
patent: 1576089 (1926-03-01), Burns

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