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. 23, 2001
Filed:
Aug. 18, 2000
Applicant:
Inventors:
Gregory A. Weber, Greensburg, IN (US);
G. Steven Antcliff, Hambleden Oxon, GB;
John Jerl Purcell, III, Marlow, GB;
Assignee:
Cummins Engine Company, Columbus, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
F02P 5/00 ;
U.S. Cl.
CPC ...
F02P 5/00 ;
Abstract
An apparatus for sensing engine speed and engine angular position. A tone wheel with a plurality of reference indicators and a position indicator is mounted to a camshaft gear. The reference and position indicators rotate past a Hall Effect sensor which generates a sensor signal suitable for use by a controller for determination of engine speed and engine angular position. Other embodiments do not include a controller.