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:
Jan. 25, 2005
Filed:
Nov. 14, 2001
Applicant:
Russell Modien, Chatham, CA;
Inventor:
Russell Modien, Chatham, CA;
Assignee:
Siemens VDO Automotive Inc., Chatham, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 2507 ;
U.S. Cl.
CPC ...
Abstract
An automotive emission control valve, an EGR valve in particular, has a solenoid as the actuator for a valve element. The solenoid has a stator and an armature. Various features in construction of the armature and stator pole pieces improve magnetic efficiency to provide increased armature force per unit of solenoid current.