Title:
COOLING STRUCTURE OF FUEL INJECTION VALVE
Document Type and Number:
Japanese Patent JP2011112036
Kind Code:
A
Abstract:
To keep fuel spray to a combustion chamber favorable, maintain engine performance and secure reliability by keeping low the temperature of the seat part of a nozzle tip body in a fuel injection valve to prevent deformation, wear or the like in a seat part.
A structure includes a cooling passage 32 communicated to a passage 33 for receiving fuel from a fuel injection pump of a nozzle tip body 3 in a fuel injection nozzle 1 and performs cooling along an axial center of the nozzle tip body 3 by a fuel.
Inventors:
TANAKA KENGO
MOTAI TADAYUKI
KOZUKI NORITO
MOTAI TADAYUKI
KOZUKI NORITO
Application Number:
JP2009272157A
Publication Date:
June 09, 2011
Filing Date:
November 30, 2009
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F02M53/04; F02M47/02; F02M61/10
Attorney, Agent or Firm:
Patent business corporation Takahashi Matsumoto & Partners