Patent ID: 8807526

Claim:
A rotating valve, comprising: a valve body having an inner space of which two end portions are open; first and second discs disposed to face each other at the inner space, installed to be rotatable between an open state and a closed state of the inner space, and configured to selectively open and close the inner space; first and second sealing members mounted to the valve body, and configured to contact the first and second discs, respectively in the closed state; and a disc controlling apparatus configured to move the first and second discs to a direction contacting to or spacing from the first and second sealing members in the closed state, wherein the disc controlling apparatus comprises: a shaft disposed between the first and second discs; a driving module configured to supply power to the shaft such that the shaft rotates; and a motion conversion assembly connected to the first and second discs, respectively, and configured to convert a rotary motion of the shaft into a linear motion of the first and second discs in the closed state, wherein the motion conversion assembly comprises: a guide member screw-connected to the shaft so as to perform a linear motion according to rotation of the shaft; and a guide rail disposed on at least one of the first and second discs, and configured to guide a linear motion of the guide member.