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:
May. 03, 1977
Filed:
Jun. 02, 1975
Applicant:
Inventors:
Richard A Kern, Pekin, IL (US);
Carl L McClung, Metamora, IL (US);
James R Turner, Chillicothe, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
1231 / ;
Abstract
An exhaust gas recirculation system is provided for reducing the content of oxides of nitrogen in the exhaust of a diesel engine. The system is effective in recirculating variable amounts of exhaust gas back through the engine in relation to engine load by being operatively controlled in response to predetermined settings of the engine's fuel supply system.
Kern, Richard. (1977). Exhaust gas recirculation system for a diesel engine (U.S. Patent No. 4020809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4020809
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile