Title:
FUEL INJECTION VALVE
Document Type and Number:
WIPO Patent Application WO/2017/060945
Kind Code:
A1
Abstract:
A fuel injection valve (100) is provided with: a plunger (9) driven by a solenoid apparatus (4); a valve seat (12) having an opening (12b) and arranged on the downstream side of the plunger; and an injection hole plate (13) in which a radial recess (13a) having a branch part (2), an introduction part (18), a cylindrical part (19), and a turning part (20) is machined on the upstream side thereof, and an injection hole (14) is bored into the downstream side of the cylindrical part. The introduction part is connected at one end to the branch part, and connected at the other end to the cylindrical part and the turning part. The turning part partially surrounds the cylindrical part and then closes on a terminal surface (L) that circumscribes the cylindrical part. The terminal surface of the turning part inclines by an angle θ with respect to the center axis of the introduction part. The angle θ is set within the range of 0-45°, and the ratio W2/W1 of the width W2 of the turning part to the width W1 of the introduction part is set within the range of 0.3-0.7.
Inventors:
KAWASAKI SHOTA (JP)
MUNEZANE TSUYOSHI (JP)
ITO KEISUKE (JP)
CHAZONO TOSHIYA (JP)
KIMOTO YUSUKE (JP)
MUNEZANE TSUYOSHI (JP)
ITO KEISUKE (JP)
CHAZONO TOSHIYA (JP)
KIMOTO YUSUKE (JP)
Application Number:
PCT/JP2015/078151
Publication Date:
April 13, 2017
Filing Date:
October 05, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F02M51/08; F02M51/06; F02M61/18
Foreign References:
| JP2013024176A | 2013-02-04 | |||
| JP2012077663A | 2012-04-19 | |||
| JP2012193713A | 2012-10-11 | |||
| JP2014181610A | 2014-09-29 | |||
| JP2012158995A | 2012-08-23 | |||
| JP2013092158A | 2013-05-16 | |||
| JP2014173478A | 2014-09-22 | |||
| JP2004510915A | 2004-04-08 | |||
| JP2004515676A | 2004-05-27 |
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
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