| 摘要 |
PURPOSE:To improve the resistance to alcohol and prevent the disconnection of a wire or the leakage of fuel by a method wherin a solenoid coil is fixed in the housing of a fuel injection timing detector with ceramic and the opening of a lead wire introducing path is sealed hermetically. CONSTITUTION:The solenoid coil 81 is made by winding the lead wire 81b, covered by polyamide, around the coil bobbin 81a of ceramic of almina series prominent in the resistance to alcohol, and is fixed rigidly to the inside of the housing by ceramic series bonding agent 82 poured through a through hole 8a provided in the housing side wall of the detector 8. An enamel wire 83 is introduced into the lead wire introducing path 1b and is connected to the hermetically 10 provided in the opening of the path 1b. The hermetic is made by inserting a connector pin into a molten glass plate to which metal plating is applied and the introducing path 1b is isolated perfectly from atmosphere by soldering the periphery of the glass plate to the wall of the path. According to this method, the solenoid coil is held stably and alcohol will never leak out of the injector even if the alcohol is mixed into a cylindrical body. |
