Title:
内燃機関の燃料供給装置
Document Type and Number:
Japanese Patent JP5099191
Kind Code:
B2
Abstract:
In control executed by a fuel supply apparatus having a delivery passage that delivers fuel to a fuel injection valve, a fuel pump that pumps the fuel from a fuel tank to the delivery passage, and a check valve that allows the fuel to flow out of the delivery passage into the fuel tank, that opens when a first fuel pressure on the delivery passage is higher than a second fuel pressure on the fuel tank by at least a set pressure, when the first fuel pressure is lower than a lower limit pressure being higher than the set pressure in a case where fuel injection is to be stopped, the fuel pump is controlled so that the first fuel pressure rises to or above the lower limit pressure, and after the first fuel pressure has reached or exceeded the lower limit pressure, the abnormality diagnosis is executed on the check valve.
Inventors:
Daigo Ando
Application Number:
JP2010202288A
Publication Date:
December 12, 2012
Filing Date:
September 09, 2010
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02M63/00; F02M55/02; F02M65/00
Domestic Patent References:
| JP2009270511A | ||||
| JP2007100624A | ||||
| JP200723833A | ||||
| JP3191471B2 | ||||
| JP109035A | ||||
| JP4350358A |
Attorney, Agent or Firm:
Aitec International Patent Office