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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.:

US 11441477 B1

PDFFull Text
Date of Patent:
Sep. 13, 2022

Filed:

May. 09, 2019

Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with silane-containing lubricant

Applicants:

Chevron Oronite Company Llc, San Ramon, CA (US);

Chevron U.s.a. Inc., San Ramon, CA (US);

Inventors:

John Robert Miller, San Rafael, CA (US);

Richard Eugene Cherpeck, Cotati, CA (US);

Ian G. Elliott, Vacaville, CA (US);

Theresa Liang Gunawan, Emeryville, CA (US);

Amir Gamal Maria, Fremont, CA (US);

Assignees:

CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US);

CHEVRON U.S.A. INC., San Ramon, CA (US);

Attorney:
Primary Examiner:

Erick R Solis

Int. Cl.
CPC ...
C10M 113/12 (2006.01); C10M 125/26 (2006.01); F02B 19/12 (2006.01); C10M 141/10 (2006.01); C10M 171/00 (2006.01); C10M 171/04 (2006.01); F02B 75/02 (2006.01); C07F 7/14 (2006.01); C10N 30/00 (2006.01); C10N 40/26 (2006.01); C10N 30/08 (2006.01);
U.S. Cl.
CPC ...
F02B 19/12 (2013.01); C07F 7/14 (2013.01); C10M 113/12 (2013.01); C10M 125/26 (2013.01); C10M 141/10 (2013.01); C10M 171/005 (2013.01); C10M 171/04 (2013.01); F02B 75/02 (2013.01); C10N 2030/00 (2013.01); C10N 2030/08 (2013.01); C10N 2040/26 (2013.01);
Abstract

Disclosed is a lubricating engine oil composition for use in down-sized boosted engines comprising a lubricating oil base stock as a major component, and at least one silane-containing compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one silane-containing compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.

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