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:
Jan. 28, 2025

Filed:

Feb. 13, 2024
Applicants:

Cummins Inc., Columbus, IN (US);

Tula Technology, Inc., San Jose, CA (US);

Inventors:

Timothy R. Frazier, Columbus, IN (US);

J. Steven Kolhouse, Columbus, IN (US);

Steven J. Small, Columbus, IN (US);

Louis Joseph Serrano, San Jose, CA (US);

Assignees:

Cummins Inc., Columbus, IN (US);

Tula Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 13/00 (2006.01); F01L 9/10 (2021.01); F02D 13/02 (2006.01); F02D 13/06 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F01L 13/0005 (2013.01); F01L 9/10 (2021.01); F02D 13/0223 (2013.01); F02D 13/06 (2013.01); F02D 41/0087 (2013.01); F01L 2013/001 (2013.01);
Abstract

Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes initiating, by a controller, a CDA mode for an engine; determining, by the controller, a first cycle count for a first oil control solenoid of the CDA system; determining, by the controller, a second cycle count for a second oil control solenoid of the CDA system; comparing, by the controller, the first cycle count and the second cycle count; and modifying, by the controller, operation of the CDA mode for the engine based on the comparison.


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