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Title:
HYDRAULIC CONTROL VALVE
Document Type and Number:
Japanese Patent JP2004137996
Kind Code:
A
Abstract:

To provide a hydraulic control valve capable of being highly pressurized and preventing erosion from generating.

The hydraulic control valve is equipped with a valve body 307 having an introduction passage 312 communicating with a high-pressure fluid passage 208 and an exhaust passage 311 communicating with a low-pressure fluid passage 209, a valve part B having a needle 311, a fixed iron core 301 having a housing 302 where an opening part 302a which allows to integrally communicate with the valve body 307 and can operate a needle 313 is formed, and an electromagnetic drive part S having an electromagnetic coil C and a movable member 317. The movable member 317 and a sucking member 303 are disposed in an inner periphery of the opening part 302a, and a fuel passable fuel gallery G is provided on an air gap part B formed between the movable member 317 and the sucking member 303. A fuel groove 303m opening to the outer peripheral edge part is formed on the end surface part of the sucking member 303 forming the air gap part B.


Inventors:
NAGAYA KOJI
Application Number:
JP2002304508A
Publication Date:
May 13, 2004
Filing Date:
October 18, 2002
Export Citation:
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Assignee:
DENSO CORP
International Classes:
F02M51/00; (IPC1-7): F02M51/00
Attorney, Agent or Firm:
Kazuyuki Yahagi



 
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