Compression device, particularly for the pressure filling of a c

Details Compression device, particularly for the pressure filling of a c Compression device, particularly for the pressure filling of a c

1991-05-13

1992-09-29

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417 18, 74 53, 92140, 92162P, 91422, 91222, F04B 904

Patent

active

051510154

ABSTRACT:
The device for the compression of a gas comprises a motor (1), a piston (2) adapted to be displaced linearly in a pump body, transmission means (T) between the motor (1) and the piston (2) adapted to convert the rotary motion generated by the motor (1) into a reciprocating translatory motion by the piston (2). Speed varying means comprising a cam (12) are provided to impart a different speed to the piston (2) of the compressor according to the resistance opposing the motor (1) during one complete admission/compression cycle, so that the resisting torque is substantially constant and so that the motor (1) operates at its maximum torque and therefore at maximum efficiency. The section of the cam (12) is determined so as to ensure substantially isothermal compression of the gas.

REFERENCES:
patent: 1938218 (1933-12-01), Dempsey, Jr.
patent: 3172295 (1965-03-01), Hrdina
patent: 3465952 (1969-09-01), Smith
patent: 4381739 (1983-05-01), Fisher
patent: 4595495 (1986-06-01), Yotam et al.
CH-A-152975 (Schweiz. Lok. -Masch. Fabrik) May 1932.

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