Pumps – Motor driven – Electric or magnetic motor
Patent
1987-02-13
1988-06-14
Smith, Leonard E.
Pumps
Motor driven
Electric or magnetic motor
417340, 92133, 92134, F04B 3100
Patent
active
047508701
ABSTRACT:
In a resonant piston compressor utilizing a balance chamber to provide a gas spring effect for use in a heat pump arrangement and the like, an adjustable balance cylinder head which adjusts so as to increase or decrease the balance chamber volume so as to increase or decrease the stiffness of the balance chamber, depending upon the mode of operation desired.
REFERENCES:
patent: 2461225 (1949-02-01), Meitzler
patent: 2761615 (1956-09-01), Prince
patent: 2853982 (1958-09-01), Bachle et al.
patent: 3524436 (1970-08-01), Braun
patent: 4167922 (1979-09-01), Doundoulakis
patent: 4353220 (1982-10-01), Curwen et al.
patent: 4433279 (1984-02-01), Bhate
patent: 4488853 (1984-12-01), Benson
patent: 4576011 (1986-03-01), Glamm et al.
Claeys Joseph V.
Mechanical Technology Incorporated
Smith Leonard E.
Sullivan Joseph C.
Szczecina Jr. Eugene L.
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