Scroll type compressor with elliptical spiral element

Details Scroll type compressor with elliptical spiral element Scroll type compressor with elliptical spiral element

1995-08-03

1996-08-20

Freay, Charles

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F01C 104

Patent

active

055473539

ABSTRACT:
A scroll type compressor includes a front housing, a fixed scroll, a movable scroll and a rear housing, and its lateral cross section has a substantially oval shape. The spiral element of the movable scroll is located in the space defined by the front housing and the fixed scroll in such a way as to engage with the spiral element of the fixed scroll. The space defined by the fixed scroll and the rear housing serves as a discharge chamber where compressed refrigerant gas is discharged. Since this compressor has the same compression displacement as that of a compressor having a circular cross section, this compressor can be placed in narrow space whose width is less than the width of the circular compressor, without any reduction in the cooling performance.

REFERENCES:
patent: 4655696 (1987-04-01), Utter
patent: 4886433 (1989-12-01), Maier
patent: 5141417 (1992-08-01), Bush
patent: 5281114 (1994-01-01), Bush
patent: 5419690 (1995-05-01), Goto et al.

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