Linear resonant reciprocating machines

Details Linear resonant reciprocating machines Linear resonant reciprocating machines

1987-03-10

1988-11-01

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

123 46R, F04B 3100

Patent

active

047815469

ABSTRACT:
A free-piston reciprocating compressor includes a reciprocating piston disposed within a cylinder such that one end of the piston-cylinder provides for a compression space and the other end of the piston-cylinder provides for a balancing space. The piston is coupled to and reciprocatingly driven by the armature of a linear electrodynamic motor, which armature reciprocates on guide means. The compressor also includes porting means operative to establish a stabilizing gradient sufficient to keep the piston operating at a related fixed mid-stroke position. The motor armature is also coupled to a centering-resonance spring.

REFERENCES:
patent: 1978866 (1934-10-01), Konig
patent: 2925073 (1960-02-01), Millar
patent: 3169757 (1965-02-01), Roder et al.
patent: 3694111 (1972-09-01), Braun
patent: 3711917 (1973-01-01), Baumgras
patent: 3947155 (1976-03-01), Bidol
patent: 4090816 (1978-05-01), Takahashi

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