Scroll type compressor with displacement adjusting mechanism

Details Scroll type compressor with displacement adjusting mechanism Scroll type compressor with displacement adjusting mechanism

1983-08-08

1985-03-19

Gluck, Richard E.

Pumps

Expansible chamber type

Having separate noncyclic valve

418 55, F01C 1706, F01C 102, F04C 1802, F04C 2908

Patent

active

045056510

ABSTRACT:
A scroll type compressor is disclosed. The compressor includes a housing having a fluid inlet port and an outlet port. A fixed scroll is fixed within the housing and has a circular end plate from which a first wrap extends. The end plate of the fixed scroll partitions the inner chamber of the housing into a front chamber connected to the fluid inlet port and a rear chamber. The rear chamber is divided into a central chamber connected to the fluid outlet port and an outer chamber. An orbiting scroll, which is disposed in the front chamber, also has a circular end plate from which a second wrap extends. Both wraps interfit at angular and radial offsets to form a plurality of line contacts to define at least one pair of sealed off fluid pockets. The end plate of the fixed scroll has at least two holes which are placed at symmetrical position and connect the fluid pockets to the outer chamber. The end plate also has a communicating hole which connects the first chamber and the outer chamber. Valve members are disposed in the outer chamber for opening and closing each hole. A control mechanism which is disposed in the outer chamber controls the operation of the valve members.

REFERENCES:
patent: 4431388 (1984-02-01), Eber et al.

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