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. 17, 2010
Filed:
Jul. 09, 2007
Applicants:
Thomas Hannewald, Griesheim, DE;
Russell Miles Modien, Chatham, CA;
Inventors:
Thomas Hannewald, Griesheim, DE;
Russell Miles Modien, Chatham, CA;
Assignee:
Continental Automotive Canada, Inc., Chatham, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/07 (2006.01); F02B 47/08 (2006.01); F16K 31/44 (2006.01); F16K 1/22 (2006.01); F16H 21/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An EGR valve () comprises three gear parts () that provide a variable ratio drive system through which an electric actuator () operates a movable valve element (). Each of the gear parts () is a single unitary part, with one part () containing two sets of gear teeth () each associating with a set of gear teeth of a respective one of the other two parts. Limit stops () are integrally formed in two parts ().