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Title:
加熱式燃料噴射弁
Document Type and Number:
Japanese Patent JP4069911
Kind Code:
B2
Abstract:
The invention relates to a heating injector in which the fuel is heated within a short time when starting and the size of a fuel atomized particle is very small, having a casing (10) for a fuel injection valve (1) which supplies fuel to an engine, an orifice member (50) with an orifice through which fuel passes, a plunger (20) which carries out switching action of orifice, a swirl chip (30) which contacts the orifice member (50) and the casing (10) at a plurality of positions, and forms a fuel passage (60) blocked by a plurality of narrow portions (35) and a fuel heating space channel (64) in the downstream side, and a heater (40) which is arranged between fuel passage forming member (30) and casing (10) and supported by either of the fuel passage forming member (30) or the casing (10) in a plurality of parts in the fuel passage (60).

Inventors:
Yasukawa Yoshito
Noriyuki Maekawa
Takehiko Owatari
Yoshio Okamoto
Application Number:
JP2004230091A
Publication Date:
April 02, 2008
Filing Date:
August 06, 2004
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F02M53/04; F02M51/06; F02M53/00; F02M53/02; F02M61/16; F02M61/18; F02M69/00
Domestic Patent References:
JP2004100536A
JP7310627A
JP2000230465A
JP58206869A
Attorney, Agent or Firm:
Yukihiko Takada