Suction oil filter unit for use in oil pan of e.g. automatic transmission of car, has recirculation passage recirculating oil flow by suction pump and arranged in region of suction channel, and nozzle body arranged in recirculation passage

摘要

The unit (1) has an oil filter housing provided with a suction pump that is connected with a suction channel. A recirculation passage recirculates pressure oil flow by the suction pump, and is arranged in a region of the suction channel. A nozzle body is arranged in the recirculation passage, and the filter housing is made of plastic material. The suction channel and the return channel are arranged in an integral part of the filter housing. The nozzle body is installed between a peripheral position of mouth of the recirculation passage and a pressure oil feed pipe.