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:
Jul. 05, 2005
Filed:
Dec. 02, 2003
Applicants:
Toru Mashimo, Gunma, JP;
Hironori Ohhashi, Gunma, JP;
Masaaki Iijima, Gunma, JP;
Satoru Watanabe, Gunma, JP;
Inventors:
Toru Mashimo, Gunma, JP;
Hironori Ohhashi, Gunma, JP;
Masaaki Iijima, Gunma, JP;
Satoru Watanabe, Gunma, JP;
Assignee:
Hitachi, Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M033/02 ;
U.S. Cl.
CPC ...
Abstract
A fuel feed system for an internal combustion engine includes a fuel tank for accumulating fuel, a fuel/air switchable pump for sucking and discharging accumulated fuel and air outside the fuel tank, a first device that allows accumulated fuel to be discharged to the engine, a second device that allows outside air to be sucked into the fuel tank, and an ECU for controlling the switchable pump.