Automobile air conditioner compressor rear cover based on Tesla valve

The automobile air conditioner compressor rear cover based on the Tesla valve comprises a rear cover body, the end face, connected with a compressor cylinder, of the rear cover body is concavely provided with an exhaust cavity, and the outer side of the rear cover body is provided with an exhaust channel communicated with the exhaust cavity; at least three Tesla valve units are arranged in the exhaust cavity, the Tesla valve units are arranged in an annular array mode with the central axis of the rear cover body as the circle center, and the exhaust cavity between every two adjacent Tesla valve units extends towards one side of the circle center of the rear cover body to form an air inlet cavity. A buffer cavity is formed in the connecting position of the exhaust channel and the exhaust cavity, and the buffer cavity extends towards the side away from the exhaust cavity and communicates with the exhaust cavity. By means of the working principle of the Tesla valve, high-pressure mixed gas exhausted into the rea