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:
Apr. 18, 1995
Filed:
Nov. 05, 1993
Applicant:
Inventor:
James N Smith, Fenton, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ; G01R / ;
U.S. Cl.
CPC ...
731181 ; 324546 ;
Abstract
An exhaust gas recirculation (EGR) valve testing device is provided in a configuration to be utilized with a variety of motor vehicles. The portable device is adaptable, through a collection of interchangeable wiring harnesses, for connection to a wide variety of vehicles of various manufacture. A plurality of independent EGR solenoids may be selectively operated and tested by the selective operation of a plurality of switches incorporated in the invention. Operation of the invention also provides visual feedback of the position of the EGR solenoid pintle. The invention is also equipped with external signal outputs for operating external test devices.