The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 16, 2001

Filed:

Feb. 04, 1999
Applicant:
Inventors:

Tomoji Tarutani, Kariya, JP;

Satoru Kuramoto, Kariya, JP;

Norikazu Deto, Kariya, JP;

Kuniyoshi Shirai, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 3/910 ; F04B 5/310 ;
U.S. Cl.
CPC ...
F04B 3/910 ; F04B 5/310 ;
Abstract

A refrigerant compressor, for compressing a refrigerant gas and delivering the compressed refrigerant gas toward an external refrigerating system, which has at least a rear housing provided with a rear discharge chamber defined by a partition wall and a rear discharge valve assembly including a rear discharge valve element and a rear retainer element coated with a rubber material, the partition wall having an endmost first end surface holding a base portion of the rear discharge valve element and a base end portion of the rear retainer element, a tapered surface portion extending toward a rear direction from the endmost first end surface, and a second end surface extending from the rear end of the tapered side surface to be parallel with the first end surface, the tapered surface portion and the second end surface defining a cavity and a support portion to prevent an uncontrolled deformation of controlling portions of the retainer element which control an amount of opening of the valve portions of the rear discharge valve element.


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