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:
Mar. 21, 2000
Filed:
Sep. 04, 1998
Martin John Field, Leighton Buzzard, GB;
Bernd Jakob Ballmert, Schifflange, LU;
Laurence Alexander Collins, Athus, BE;
Robert James Moran, Peterborough, GB;
General Motors Corporation, Detroit, MI (US);
Abstract
An exhaust gas recirculation valve (10) for installation between an air intake and an exhaust of an engine comprising a housing (12) having a first bore (14) for connection with the air intake and a second bore (16) for receiving exhaust gas from the exhaust, the second bore being at an angle to the first bore and opening into the first bore; a valve stem (24) extending from the first bore into the second bore; a valve seat (28) in the second bore at the opening (18) of the second bore into the first bore; a valve head (30) on the valve stem within the second bore and normally in engagement with the valve seat; eccentric drive means (42) rotatably mounted in the first bore and connected to the valve stem; actuating means (34) mounted on the housing and connected to the eccentric drive means, which, on actuation, rotates the eccentric drive means to move the valve stem to disengage the valve head from the valve seat. EGR valve suitable for a diesel engine or other types of engine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile