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:
Feb. 04, 2025
Filed:
Sep. 12, 2023
Applicant:
Regents of the University of Minnesota, Minneapolis, MN (US);
Inventors:
Rajesh Rajamani, Saint Paul, MN (US);
Woongsun Jeon, Seoul, KR;
Assignee:
Regents of the University of Minnesota, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 35/02 (2006.01); F02D 41/06 (2006.01);
U.S. Cl.
CPC ...
F02D 35/023 (2013.01); F02D 35/027 (2013.01); F02D 41/062 (2013.01); F05D 2270/334 (2013.01);
Abstract
A method of estimating in-cylinder pressure includes receiving a vibration signal from a vibration sensor mounted proximate a compression ignition (CI) engine, receiving angular position information for the CI engine, and determining in-cylinder pressure based on the angular position information and on a combustion component of the vibration signal.