Title:
INJECTOR
Document Type and Number:
Japanese Patent JP2020037927
Kind Code:
A
Abstract:
To provide a normally-closed type injector in which a valve body is supported by plate springs arranged in the direction perpendicular to the stroke direction and a closed valve state is maintained by a spring load of a coil spring along the stroke direction of the valve body, which can be assembled easily, which can be manufactured by mass production, and which also can perform inexpensive and accurate opening/closing operation.SOLUTION: In a normally-closed type injector 1 in which a valve body 21 is supported by plate springs 6, 6 arranged in the direction perpendicular to the stroke direction and a closed valve state is maintained by a spring load of a coil spring 7 along the stroke direction of the valve body 21, a fixing place 12 of a movable core 5 and the valve body 21 for holding central parts 61, 61 of the plate springs 6, 6 is assembled by laser welding.SELECTED DRAWING: Figure 1
Inventors:
ENDO TAKAYUKI
MURAKAMI TSUTOMU
MURAKAMI TSUTOMU
Application Number:
JP2018166295A
Publication Date:
March 12, 2020
Filing Date:
September 05, 2018
Export Citation:
Assignee:
NIKKI CO LTD
International Classes:
F02M51/06; F16K31/06
Domestic Patent References:
| JP2009091998A | 2009-04-30 | |||
| JPH07324663A | 1995-12-12 | |||
| JPS63503079A | 1988-11-10 | |||
| JP2014066177A | 2014-04-17 | |||
| JPS57195858A | 1982-12-01 | |||
| JPS57204457U | 1982-12-25 | |||
| JPS5644450A | 1981-04-23 |
Foreign References:
| US3702683A | 1972-11-14 |
Attorney, Agent or Firm:
Katsuhiko Hashimoto
Kyoko Hashimoto
Kyoko Hashimoto