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.
Patent No.:
Date of Patent:
Sep. 22, 1998
Filed:
Feb. 13, 1997
Applicant:
Inventors:
Hayato Ikeda, Aichi-Ken, JP;
Akira Nakamoto, Aichi-Ken, JP;
Hisato Kawamura, Aichi-Ken, JP;
Noriyuki Shintoku, Aichi-Ken, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
92 71 ; 417269 ;
Abstract
A compressor that is constructed for reduced vibration during operation includes a cylinder having at least three cylinder bores, pistons being respectively positioned in the cylinder bores, structure for reciprocating the pistons; and structure for defining a dead volume between each of the pistons and cylinder bores. The dead volumes are divided into at least two groups, which include a large dead volume group and a small dead volume group, and wherein the large dead volume group includes at least two cylinder bores, whereby vibration is reduced during operation.