Device for monitoring the pressure of a pump for oil driven by the transmission of a motor vehicle

摘要

The present invention relates to a device for monitoring the pressure of the liquid delivered by a pump connected kinematically to a wheel of a. / p & & p & according to the invention, the device comprises a receptacle 12 comprising at its lower part an orifice for feeding liquid under pressure side 14 connects the delivery of the pump and a level sensor 18 has its upper part, the agency. It comprises also a ball, forming a valve closure member 28 which rests on the bottom 30 of the receptacle 12 to close off the feed opening 14 when the delivery pressure is lower at a value predetermined. The ball is capable of being open in its conical seat under the effect of vibrations of the vehicle is transmitted to the container.