Compressor

Details Compressor Compressor

2011-08-09

2011-08-09

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

C062S498000

Reexamination Certificate

active

07992408

ABSTRACT:
A compressor has a housing. A crank is carried by the housing for rotation about a crank axis. A cylinder is defined within the housing and has a proximal portion and a distal portion. The distal portion is smaller in transverse cross-sectional area than is the proximal portion. A piston is held within the housing for reciprocal movement at least partially within the cylinder. The piston also has a distal portion smaller in transverse cross-sectional area than a proximal portion. A connecting rod is pivotally coupled to the crank for relative rotation about a proximal axis and to the piston for relative rotation about a distal axis. A first compression chamber exists in the cylinder distal portion beyond the end of the piston. A second compression chamber exists in the cylinder proximal portion beyond a piston shoulder. The first and second compression chambers are non-series and non-parallel.

REFERENCES:
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patent: 2205793 (1940-06-01), Hunt
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patent: 7096681 (2006-08-01), Wills et al.
patent: 2005/0129543 (2005-06-01), Collings
patent: 2005/0262859 (2005-12-01), Crane et al.
patent: 1366929 (1964-07-01), None
EP Search Report for EP Patent Application No. 06848476.5, dated Apr. 1, 2011.

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