Scroll device with eccentricity adjusting bearing

Details Scroll device with eccentricity adjusting bearing Scroll device with eccentricity adjusting bearing

1984-03-06

1986-04-29

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 94, F01C 104, F01C 2104

Patent

active

045854033

ABSTRACT:
A scroll-type pumping apparatus comprising a stationary scroll 1, an orbiting scroll 2 attached to an orbiting scroll shaft 4, and a crankshaft 14. An eccentric hole is formed in the end of the crankshaft and an eccentric bearing 26 rotates within this eccentric hole. The eccentric bearing has a central aperture eccentric to the bearing's outer circumference in which the orbiting scroll shaft is placed and freely rotates.

REFERENCES:
patent: 1906141 (1933-04-01), Ekelof
patent: 4065279 (1977-12-01), McCullough
patent: 4396364 (1983-08-01), Tojo et al.
patent: 4415318 (1983-11-01), Butterworth et al.

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