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:
Aug. 06, 2013
Filed:
Mar. 25, 2009
Applicants:
Geoffrey David Bootle, Maidstone, GB;
John Deller, Rochester, GB;
Inventors:
Geoffrey David Bootle, Maidstone, GB;
John Deller, Rochester, GB;
Assignee:
Delphi Technologies Holding S.arl, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sensor arrangement and a method for its use for detecting the proximity of a ferrous target, the sensor arrangement comprising a sensor body including a magnetic field source and a Hall effect device, wherein the magnetic field source is an electromagnetic solenoid. The invention has particularly utility, but is not so limited, to the field of fuel injection pumps in which it is necessary to determine the volume of fuel that is delivered to the cylinders of the engine without affecting the operation of the engine.