Free-piston compressor with gas spring control

Details Free-piston compressor with gas spring control Free-piston compressor with gas spring control

1988-12-14

1990-09-04

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

417214, 62 6, F04B 4908

Patent

active

049540530

ABSTRACT:
A free-piston compressor which has a cylinder, a compressor piston disposed movably in the cylinder, thereby first and second chambers being formed in the cylinder, a low pressure pipe coupled to the first chamber through which pipe, low pressure fluid flows, a high pressure pipe coupled to the first chamber through which, high pressure fluid flows, two valves coupled between the low pressure and high pressure pipes, and the second chamber, a control device for controlling the two valves in a manner that a dead point position of the compressor piston is kept at a target point, and driving means for driving the compressor piston.

REFERENCES:
patent: 4418533 (1983-12-01), Folsom
patent: 4613285 (1986-09-01), Sato et al.
The 4th International Conference on Stirling Engines "The Japan Society of Mechanical Engineers", Conference held Nov. 7-10, 1988.

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