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:
Feb. 20, 2001
Filed:
Nov. 25, 1998
Applicant:
Inventors:
John E. Cook, Chatham, CA;
Murray F. Busato, Clinton Township, MI (US);
Assignee:
Siemens Canada Limited, Mississauga, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 2/507 ;
U.S. Cl.
CPC ...
F02M 2/507 ;
Abstract
An EGR module has a valve containing a main flow passage having a valve member that controls exhaust gas flow through the passage. An internal pressure sensing passage communicates pressure at one side of an orifice in the main flow passage to a pressure sensor. The pressure sensor and an EVR valve are integrated with the body of a fluid pressure actuator that operates the valve member. Various embodiments are disclosed.