| 摘要 |
<p>The present invention relates to a flow control valve that controls the flow rate of heated water that is supplied from a boiler, in a pipe line through which the heated water flows. It is an object of the invention to provide a flow control valve that can normally/reversely turn and control the flow rate using two low price one-way motors and stop power for one motor when the other motor is rotated by applying a simple clutch structure to a gear assembly connected with two one-way motors. A flow control valve according to an embodiment of the invention includes: a motor assembly including a first motor that has a power transmission shaft and rotates in one direction and a second motor that has a power transmission shaft and rotates in the opposite direction of the first motor; a gear assembly including a first planetary gear that transmits power to the first motor, a second planetary gear that transmits power to the second motor, and a sun gear that is disposed between the first planetary gear and the second planetary gear and engaged with the first and second planetary gears, and having a clutch structure between the first planetary gear and the first motor, and the second planetary gear and the second motor to transmit or stop power; and a valve actuator including a shaft that reciprocates up/down by rotation of the sun gear and a valve unit that is fitted on the lower portion of the shaft and opens/closes the valve.</p> |
