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:
Dec. 28, 1976
Filed:
Jun. 18, 1974
Applicant:
Inventors:
Yukihide Hashiguchi, Susono, J;
Ryozo Mitsui, Susono, J;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, J;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
251 28 ; 1231 / ; 137480 ;
Abstract
A flow control valve for an exhaust gas purifying system which is divided into a first valve chamber into which the exhaust gases flow and a second valve chamber out of which the exhaust gases flow. A first valve means responsive to the exhaust gases controls the communication between the first and second valve chambers and a second valve means controls the operation of the first valve means in response to the negative pressure in an air intake system.
Hashiguchi, Yukihide. (1976). Flow control valve for exhaust gas purifying system (U.S. Patent No. 3999737). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3999737
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile