Swash plate compressor with improved piston alignment

Details Swash plate compressor with improved piston alignment Swash plate compressor with improved piston alignment

1995-03-03

1995-10-31

Denion, Thomas E.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

92165R, 417269, 74 60, F01B 300

Patent

active

054619670

ABSTRACT:
A swash plate driven piston compressor includes means to maintain the pistons on their respective cylinder bore axes. A resilient alignment ring bears on the radial inner sides of the pistons at a point near the back ends of the pistons. The ring moves passively with the swash plate, without affecting its operation. The ring prevents the pistons from tipping radially inwardly and off their axes as they retract. The piston design is not appreciably changed, and the ring fits within otherwise empty space within the compressor housing.

REFERENCES:
patent: 4351227 (1982-09-01), Copp, Jr. et al.
patent: 4789311 (1988-12-01), Ikeda et al.
patent: 5174728 (1992-12-01), Kimura et al.
patent: 5201261 (1993-04-01), Kayukawa et al.
U.S. Ser. No. 08/338298 filed 14 Nov. 1994 "Swash Plate Compressor With Improved Piston Stability", Burkett et al.
U.S. Ser. No. 08/210489 filed 21 Mar. 1994 "Compact Refrigerant Compressor" Burkett et al.

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