Scroll type compressor having a centered opening to a high press

Details Scroll type compressor having a centered opening to a high press Scroll type compressor having a centered opening to a high press

1991-12-02

1993-11-02

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 552, 418 555, 418 57, F04C 1804

Patent

active

052579204

ABSTRACT:
So as to decrease fluctuations in gas pressures acting on the external surface of an end plate by decreasing the area ratio of a high pressure chamber disposed on the outside of the end plate of a fixed scroll to a back pressure chamber, a scroll type compressor has one opening of the discharge port to the high pressure chamber provided in the end plate so as to coincide with the center of the spiral-shaped wrap.

REFERENCES:
patent: 3874827 (1975-04-01), Young
patent: 3924977 (1975-12-01), McCullough
patent: 4571163 (1986-02-01), Sakamoto et al.
patent: 4609334 (1986-09-01), Muir et al.
patent: 4877382 (1989-10-01), Caillat et al.
patent: 5022834 (1991-06-01), Etemad et al.

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