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:
Nov. 04, 2025
Filed:
Nov. 29, 2017
Applicant:
Yanmar Co., Ltd., Osaka, JP;
Inventors:
Kohei Tsushima, Osaka, JP;
Masataka Uchibori, Osaka, JP;
Assignee:
YANMAR POWER TECHNOLOGY CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 39/00 (2006.01); F02M 26/17 (2016.01); F02M 35/10 (2006.01); F02M 37/00 (2006.01); F02M 55/02 (2006.01); F02M 63/02 (2006.01);
U.S. Cl.
CPC ...
F02M 63/025 (2013.01); F02M 26/17 (2016.02); F02M 35/10222 (2013.01); F02M 37/0052 (2013.01); F02M 55/025 (2013.01); F02M 63/0275 (2013.01); F02M 2200/857 (2013.01);
Abstract
An engine device including a common rail configured to store, at a high pressure, a fuel supplied by a fuel feed pump. The common rail includes a pressure reducing valve configured to discharge the fuel in the common rail to a fuel return pipe. The fuel return pipe extends from the pressure reducing valve to a position higher than the pressure reducing valve, and then extends to a position lower than the pressure reducing valve.