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. 25, 2022

Filed:

Jun. 27, 2018
Applicant:

Perkins Engines Company Limited, Peterborough, GB;

Inventor:

Christopher J. Green, Peterborough, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 11/04 (2006.01); F01M 11/10 (2006.01); G01L 13/00 (2006.01); G01M 15/05 (2006.01);
U.S. Cl.
CPC ...
F01M 11/04 (2013.01); F01M 11/10 (2013.01); G01L 13/00 (2013.01); G01M 15/05 (2013.01); F01M 2011/0491 (2013.01);
Abstract

An engine oil filler cap for monitoring an internal combustion engine comprises: a processor; and a sensor module comprising a pressure sensor configured to sense crankcase pressure of the internal combustion engine and to output data representative of the sensed crankcase pressure to the processor. The engine oil filler cap is configured to provide a housing for the processor. The processor is configured to determine a value representative of the firing frequency of the internal combustion engine based on the output data.


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