Title:
電磁式燃料噴射弁
Document Type and Number:
Japanese Patent JP7249258
Kind Code:
B2
Abstract:
To immediately solve conflicting problems such as the securement of magnetic flux density and the securement of the filling performance of resin (coil sealing performance), in an electromagnetic fuel injection valve in which a coil housing is constituted of substantially-semi cylindrical first and second coil housing half bodies which oppose each other with a coil sandwiched therebetween, and clearances are formed between side edges of both the coil housing half bodies which adjoin each other in a peripheral direction.SOLUTION: Ribs Rw, Rs are protrusively arranged at an external peripheral face of a portion 32ma of a resin-coated part 32 surrounding a coil housing H in response to clearances Sw, Ss of side edges e1, e2;e1', e2' of first and second coil housing half bodies H1, H2 which adjoin each other in a peripheral direction, and the clearances Sw, Ss and the ribs Rw, Rs corresponding to the clearances Sw, Ss are arranged so as to at least partially coincide with each other in their positions in the peripheral direction.SELECTED DRAWING: Figure 4
Inventors:
Yudai Miura
Application Number:
JP2019188948A
Publication Date:
March 30, 2023
Filing Date:
October 15, 2019
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
International Classes:
F02M51/06; F16K31/06
Domestic Patent References:
| JP2015183714A | ||||
| JP2009090482A | ||||
| JP2011027009A |
Attorney, Agent or Firm:
Patent Attorney Corporation Ochiai Patent Office