Pumps – Motor driven – Resiliently mounted pump or motor
Reexamination Certificate
2005-04-26
2005-04-26
Koczo, Michael (Department: 3746)
Pumps
Motor driven
Resiliently mounted pump or motor
C417S417000
Reexamination Certificate
active
06884044
ABSTRACT:
A linear compressor vertically mounted inside a hermetic shell (8) and including: a reference assembly with elements including a block defining a cylinder (2); a resonant assembly with elements including an actuator (4) that carries a piston (1) within the cylinder (2). There are provided: a first resilient element (20) mounted between the resonant assembly (1,4,5) and one end of the shell (8); a second resilient element (21) mounted between the reference assembly (2) and the other end of the shell (8); and a third resilient element (22) mounted between the reference assembly (2) and the resonant assembly (4), with the first and the second resilient elements (20,21) applying opposite forces to the shell (8) upon reciprocation of the piston (1).
REFERENCES:
patent: 3788778 (1974-01-01), Miller
patent: 5772410 (1998-06-01), Chang
patent: 5993178 (1999-11-01), Park et al.
patent: 6273688 (2001-08-01), Kawahara et al.
patent: 0 994 253 (2000-04-01), None
patent: 1 222 425 (1971-02-01), None
patent: WO-0206698 (2002-01-01), None
Lilie Dietmar Erich Bernhard
Puff Rinaldo
Darby & Darby
Empresa Brasileira de Compressores S.A.-Embraco
Koczo Michael
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