Patent ID: 6935990
Filing Date: 2005-08-30
Classification: B60K,Y10T

Abstract:
1. A safety device for power takeoff (PTO) for use in an automobile, comprising: a detection unit for detecting operating states of a power supply, clutch switch, PTO switch, and vehicle speed varying with the operating states of the automobile and switch manipulated by a driver; a body control module (BCM) for receiving a power supply signal, a clutch switch signal, a PTO switch signal, and a vehicle speed signal detected from the detection unit, outputting a control signal for enabling an operation of a PTO when said PTO switch is turned on in a state where said clutch switch is turned on, and outputting a control signal for disabling an operation of a PTO unit when the vehicle speed is higher than predetermined reference vehicle speed, said PTO switch is turned off in a state where the engine stops running; and a solenoid valve being in an “ON”/“OFF” state according to a control signal outputted from said BCM, said solenoid valve controlling supply of negative pressure so that said PTO unit can be driven and stopped.