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:
Oct. 04, 1983
Filed:
Jan. 26, 1982
Applicant:
Inventor:
Haruyoshi Fujiwara, Mihara, JP;
Assignee:
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 30 ;
Abstract
A pressure pulse damping device which is used in a liquid passage having a bottom flat wall. The flat wall has an opening therethrough with a flexible diaphragm positioned therein. The side of the diaphragm opposite the liquid passage is in communication with a gas chamber having gas therein. The diaphragm is movable such that the effective volume of the gas chamber is varied to ensure that the average pressure of the gas therein is substantially equal to the average pressure of liquid in the liquid passage.
Fujiwara, Haruyoshi. (1983). Pressure pulse absorbing device (U.S. Patent No. 4407330). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4407330
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile