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:
Oct. 07, 2003
Filed:
Dec. 28, 2001
Applicant:
Inventors:
Stephen James Newton, Ann Arbor, MI (US);
Youqing Xiang, Canton, MI (US);
Assignee:
Visteon Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/00 ;
U.S. Cl.
CPC ...
H01H 9/00 ;
Abstract
An amplifier/power supply for an engine valve actuator includes a pair of switches for operating an actuator coil in several modes from a low voltage power supply. A higher magnitude voltage is regeneratively created using the inductance of the actuator coil and selective actuation of the switches.