| 摘要 |
<p>The objective of the present invention is to provide an electronic expansion valve, which is integrally equipped with a filter in a valve body in order to remove foreign materials. The electronic expansion valve according to an embodiment of the present invention comprises a can, which accommodates a step motor; a case body, which is combined to the lower end of a multi-stage gear and accommodates the multi-stage gear operated by the step motor; a positioner, which is combined to the lower end of the multi-stage gear and moves in a straight line; a pocket valve, which has a pocket valve rode in order to control the flow of refrigerant along with the movement of the positioner; the valve body, which accommodates the pocket valve inside and is connected to a refrigerant pipe unit in one end; a hexagon nut assembly body, which is equipped to integrally combine the case body with the multi-stage gear and the valve body; the refrigerant pipe unit, which is combined to the valve body in order to allow the refrigerant to flow into and out of the valve body; and a filter member, which is integrally installed to be located at the end of the refrigerant pipe unit in the valve body in order to prevent foreign materials from coming in.</p> |
