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.

Date of Patent:
May. 26, 2026

Filed:

Mar. 07, 2023
Applicant:

Cummins Inc., Columbus, IN (US);

Inventors:

David L. Baldwin, Columbus, IN (US);

Matthew Shawn Bower, North Vernon, IN (US);

Xiaoyu Xie, Columbus, IN (US);

Assignee:

Cummins Inc., Columbus, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/009 (2013.01); F02D 41/0097 (2013.01);
Abstract

A camshaft tone wheel, system, and method are provided for determining a rotational position of an internal combustion engine. Sensors detect unique features positioned around the camshaft tone wheel in conjunction with a tooth count on a crankshaft tone wheel, or in conjunction with elapsed time for passage of the unique features during rotation of the camshaft tone wheel, to resolve engine position and enable accurately timed combustion.


Find Patent Forward Citations

Baldwin, David. (2026). Camshaft tone wheel, system, and method for determining engine speed and position (U.S. Patent No. 12637989). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12637989

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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