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:
Nov. 21, 2000
Filed:
May. 13, 1999
Applicant:
Inventors:
Masahito Watanabe, Kanagawa, JP;
Yoshimasa Katsumi, Kanagawa, JP;
Yasuki Fujii, Kanagawa, JP;
Shotaro Ito, Kanagawa, JP;
Masanori Tanigawa, Kanagawa, JP;
Yasuhiro Asaida, Kyoto, JP;
Assignees:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Matsushita Seiko Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D / ;
U.S. Cl.
CPC ...
62296 ; 181196 ;
Abstract
A plurality of honeycomb pipes bundling a plurality of fine tubes are inserted and fixed at desired positions in a refrigerant piping at proper intervals to form a silencer, and noise is reduced by straightening and homogenizing the disturbance of refrigerant and attenuating transmission of pressure pulsations.