To effectively suppress operating sound while ensuring sufficient strength to obtain reliability of an electric connection part and attaining miniaturization in a solenoid-operated fuel injection valve provided with a resin molded part made of synthetic resin, embedding at least a part of a solenoid housing and integrally having an initial power receiving coupler with a receiving side connection terminal facing and connected to a coil of a coil assembly.
The resin molded part 7 is formed of two layers which are a first resin molded layer 7a forming at least a part of the initial power receiving coupler 40 while covering at least the part of the solenoid housing 25, and a second resin molded layer 7b formed of material having a larger linear expansion coefficient than the first resin molded layer 7a and covering the first resin molded layer 7a. An air layer 44 is partially formed between the first and second resin molded layers 7a, 7b.
MATSUO DAISUKE
SATO KENICHI
Kazuaki Niki
Next Patent: COOLING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE