Patent ID: 11156296

Abstract:
An electric valve includes a valve body, a spool assembly, and a coil assembly. The spool assembly includes a piston, a valve seat, a valve needle, and a rotor. The valve seat is provided with a first valve port. The valve body is provided with a first port, a second port, a second valve port, and a bypass channel. One end of the first valve port keeps communication with the first port, and another end of the first valve port is in communication with the second port by means of the bypass channel. A second valve port is arranged in a bottom wall of the cavity having an open end, at least part of an outer wall of the valve seat is in sealing engagement with an inner wall of the cavity having an open end. A third valve port is arranged between the second valve port and the second port. A check valve is directly disposed between the third valve port and the second port.