Linear motor compressor with pressure stabilization ports for us

Details Linear motor compressor with pressure stabilization ports for us Linear motor compressor with pressure stabilization ports for us

1984-02-03

1985-11-19

Freeh, William L.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

417340, 417496, F25B 900, F04B 704

Patent

active

045533989

ABSTRACT:
A pressure stabilization system for a linear compressor 20 piston 24 in which a check valve 68 and passages 72, 64 within the piston permit communication between a compressor work space and a non-working volume of gas 54 through an orifice 66 in the piston cylinder 30. The check valve and ports allow momentary fluid communication between the dead space volume 54 and the working volume 26. The fluid communication serves to stabilize working volume pressure and counteract the effects of gas leakage about the piston 24 and into the dead volume 54. This fluid communication only occurs when dead volume pressure is greater than working volume pressure and port 66 and 64 are axially aligned.

REFERENCES:
patent: 1198502 (1916-09-01), Wishart
patent: 2588261 (1952-03-01), Magdeburger
patent: 2685838 (1954-08-01), Weinfurt
patent: 3218815 (1965-11-01), Chellis et al.
patent: 3688512 (1972-09-01), Prast
patent: 3828558 (1974-08-01), Beale
patent: 4058382 (1977-01-01), Mulder
patent: 4458495 (1984-07-01), Beale

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