Scroll type compressor having the center of the cylindrical shel

Details Scroll type compressor having the center of the cylindrical shel Scroll type compressor having the center of the cylindrical shel

1992-02-25

1993-06-29

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F04C 1804

Patent

active

052228835

ABSTRACT:
A relatively small diameter scroll type compressor is disclosed. The axial center of the compressor's shell is displaced from the involute center of the fixed spiral element in a direction towards the base end portion of the orbital scroll. More specifically, the displacement distance (X) is in the range of: 1/2R.sub.or <X.ltoreq.1/2R.sub.or +1/2(t+c), wherein "t" is the thickness of a base end portion of the orbiting spiral element and "c" is the minimum clearance between an outer wall of the orbital scroll's base end portion and the inner wall of the shell.

REFERENCES:
patent: 4303379 (1981-12-01), Hiraga et al.
patent: 4304535 (1981-12-01), Terauchi
patent: 4477239 (1984-10-01), Yoshii et al.
patent: 4494914 (1985-01-01), Shiibayashi

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