Title:
FUEL INJECTION VALVE
Document Type and Number:
Japanese Patent JP2023000620
Kind Code:
A
Abstract:
To provide a fuel injection valve in which the number of components is reduced by eliminating a spring adjuster.SOLUTION: A fuel injection valve according to the present invention comprises: a valve seat 15b and a valve element 27c for opening/closing a fuel passage 3 in cooperation; a mover 27 provided with the valve element 27c in one end part, and provided with a movable iron core 27a in the other end part; a fixed iron core 25 for generating a magnetic attraction force between itself and the movable iron core 27a; and a spring 39 provided between the fixed iron core 25 and the mover 27, and for generating a biasing force in a valve opening direction in the mover 27. The spring 39 comprises a press fitting part 39a in which an end part on the side of the fixed iron core 25 is press-fitted and fixed to an inner peripheral surface of a through hole 25a provided in the fixed iron core 25.SELECTED DRAWING: Figure 3
More Like This:
| WO/2017/013830 | DEVICE FOR CONTROLLING FUEL INJECTION IN INTERNAL COMBUSTION ENGINE |
| WO/2018/230081 | FUEL INJECTION VALVE |
| JP2003214280 | HYDRAULIC PISTON AND FUEL INJECTION DEVICE USING IT |
Inventors:
HISAYOSHI SHIGEO
SAITO TAKAHIRO
SAITO TAKAHIRO
Application Number:
JP2021101552A
Publication Date:
January 04, 2023
Filing Date:
June 18, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD
International Classes:
F02M51/06; F02M61/16; F16K31/06
Attorney, Agent or Firm:
Polar Patent Attorney Corporation