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. 08, 2007
Filed:
Nov. 04, 2003
Applicant:
Roger T. Simpson, Ithaca, NY (US);
Inventor:
Roger T. Simpson, Ithaca, NY (US);
Assignee:
BorgWarner Inc., Auburn Hills, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F16H 7/08 (2006.01); H01H 19/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A chain drive having a phaser such as a hydraulic vane phaser interposed between a timing chain and a driving or driven shaft is provided. The phaser or the vane are controlled to oscillate more at certain engine speeds to thereby reduce the tensioning force on the chain at the certain engine speeds.
Simpson, Roger. (2007). Method of changing the duty cycle frequency of a pwm solenoid on a cam phaser to increase compliance in a timing drive (U.S. Patent No. 7214153). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7214153
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile