Scroll type fluid apparatus of decreased size

Details Scroll type fluid apparatus of decreased size Scroll type fluid apparatus of decreased size

1993-06-28

1994-09-06

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F01C 104

Patent

active

053442946

ABSTRACT:
An object of the present invention is to decrease the diameter of end plate of a fixed scroll and the diameter of orbiting locus circle of an orbiting scroll, by which the inside diameter of a housing is reduced, thereby the apparatus being made compact. The constitution is such that the center P of the end plate 211 of the fixed scroll 21 lies on the straight line D starting at the wrap end point T of the outermost end of the spiral wrap 212 and passing through the involute unrolled angle position C of the base circle A and at the position shifting one-half the orbiting radius a in the direction reverse to the outermost wrap end of the spiral wrap 212.

REFERENCES:
patent: 4304535 (1981-12-01), Terauchi
patent: 4477239 (1984-10-01), Yoshii et al.
patent: 4494914 (1985-01-01), Shiibayashi

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