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:
Aug. 19, 1986
Filed:
Jan. 31, 1985
Applicant:
Inventor:
Jean-Claude Fayard, Lyons, FR;
Assignee:
Elf France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ; 1231 / ;
Abstract
Device for controlling the circulation of gases from and towards an internal combustion engine, wherein a sealing ring is provided with means for injecting a lubricating and cooling liquid such as oil in the gap between a continuous sealing surface around a passage within a sealing ring and the external surface of a rotary throttle, this device being applied to the high pressure and high temperature sealing of rotary throttle for four stroke engines.
Fayard, Jean-Claude. (1986). Device for controlling the combustion chambers exhaust and/or intake for (U.S. Patent No. 4606309). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4606309
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile