| 摘要 |
PURPOSE: A device for preventing sudden acceleration of an automatic transmission vehicle is provided to reduce the number of parts, manufacturing process and expenses by forming a bonding part connected to a lead wire of a connector in a solenoid case, and to prevent damage from heat by radiating heat from a coil in a bobbin with plural heat discharge holes. CONSTITUTION: A sudden acceleration preventing device comprises a parking position switch(110) placed in a parking position of a gear in the lower part of a shift lever of a vehicle; a connector(120) connected to the parking switch by a lead wire(117) to apply voltage by operating the parking switch; and a solenoid(130) coupled to the connector by a lead wire(121) to transmit and shut off power to an automatic transmission by moving a rod part(140) back and forth. Plural heat discharge holes are formed in a case(131) of the solenoid, and a bobbin(138) is formed in the case. A hollow sleeve(134) is formed in the middle of the bobbin, and a fixed core and a moving core are formed in the sleeve. A coil(137) is formed outside the sleeve, and connected to the lead wire of the connector coupled to a bonding part(133) in the case to apply power.
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