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:
Jun. 23, 1987
Filed:
Sep. 25, 1985
Applicant:
Inventor:
Motonobu Akagi, Anjo, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123571 ;
Abstract
An electrically actuated EGR valve controls the recirculation of exhaust gases in an internal combustion engine. The EGR valve includes a step motor having a linearly moving motor shaft engaging a rod of a poppet valve for communicating an exhaust gas inlet port with an exhaust gas outlet port. An insulator and a cooling atmosphere chamber separate the step motor from the heat of the exhaust gases.
Akagi, Motonobu. (1987). Electric exhaust gas recirculation valve (U.S. Patent No. 4674464). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4674464
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile