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:
Jan. 06, 2015
Filed:
May. 16, 2008
Applicants:
Yasuhiro Ogasawara, Omaezaki, JP;
Toshio Anami, Omaezaki, JP;
Yuuki Katoh, Omaezaki, JP;
Inventors:
Assignee:
Chevron Japan Ltd., San Ramon, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 9/02 (2006.01); F02B 77/04 (2006.01); F02M 25/00 (2006.01); F02M 35/10 (2006.01); F02M 35/112 (2006.01); F02M 35/116 (2006.01);
U.S. Cl.
CPC ...
F02B 77/04 (2013.01); F02M 25/00 (2013.01); F02M 35/10242 (2013.01); F02M 35/112 (2013.01); F02M 35/116 (2013.01); Y02T 10/146 (2013.01);
Abstract
Interior parts of gasoline engines are readily cleaned by a method comprising the steps of connecting an a cleaning liquid supply pipe having a gas supply port thereon airtightly to a port of an intake pipe of the engine below a throttle valve-attached position of the engine; operating the engine to draw cleaning liquid in the form of liquid drop and simultaneously drawing continuously a gas having an oxygen concentration of less than 20 vol. % into the intake pipe; and exhausting the cleaning liquid having been brought into contact with the internal parts of the engine with an exhaust gas.