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. 03, 2025
Filed:
Jan. 17, 2023
Vianney Rabhi, Lyons, FR;
Vianney Rabhi, Lyons, FR;
Abstract
The friction insert for oriented valve is intended for a valve-controlled ignition prechamber and includes an external valve body guide cylindrical bearing surface which is arranged at the periphery of a valve having a guide pin and which slides with a small clearance into a first valve body guide, the insert also including an external pin guide cylindrical bearing surface which is arranged at the external periphery of an orientation pin and which slides with a small clearance into a second orientation pin guide, the valve body guide and orientation pin guide being resistant to abrasive wear and being fixedly mounted in a non-magnetic prechamber tip in which they guide and orient the valve having a guide pin.