Title:
FUEL INJECTION VALVE
Document Type and Number:
WIPO Patent Application WO/2014/148218
Kind Code:
A1
Abstract:
According to the present invention, the cross-sectional shape of a corner part between a side surface part and a bottom part of a communication passage is a curved shape; when a swirl-creating chamber is viewed from an axial direction, the side surface part of the communication passage on a side where the swirl-creating chamber bulges is a first side surface part, and the side surface part of the communication passage on the opposite side of where the swirl-creating chamber bulges is a second side surface part; and the communication passage is formed so that a radius r1 is greater than a radius r2, r1 being the radius of the cross-sectional shape between the first side surface part and the bottom part, and r2 being the radius of the cross-sectional shape between the second side surface part and the bottom part.
Inventors:
OHNO HIROSHI (JP)
KOBAYASHI NOBUAKI (JP)
SAITO TAKAHIRO (JP)
NAKAI ATSUSHI (JP)
OKAMOTO YOSHIO (JP)
KOBAYASHI NOBUAKI (JP)
SAITO TAKAHIRO (JP)
NAKAI ATSUSHI (JP)
OKAMOTO YOSHIO (JP)
Application Number:
PCT/JP2014/054799
Publication Date:
September 25, 2014
Filing Date:
February 27, 2014
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F02M61/18; F02M51/06
Foreign References:
| JP2012193713A | 2012-10-11 | |||
| JP2003336561A | 2003-11-28 | |||
| JP2004510915A | 2004-04-08 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
Hiromichi Kobayashi (JP)
Hiromichi Kobayashi (JP)
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