Patent ID: 8191859
Filing Date: 2012-06-05
Classification: F16D,F16K

Abstract:
1. A water flow control valve, comprising: a first synchronous motor and a second synchronous motor that generate drive forces in directions opposite to each other; an eccentric cam provided between the first and second synchronous motors and operated in conjunction with the synchronous motors, the eccentric cam converting a direction in which the drive force is transmitted; a power transmission unit in rolling contact with the eccentric cam and adjusting an amount of fluid that flows through a housing operation of the eccentric cam; and ratchet gears provided between the synchronous motors and the eccentric cam and constructed such that when the drive force of one synchronous motor is transmitted to the eccentric cam, the drive force of the other synchronous motor is prevented from being transmitted to the eccentric cam in a no-load operation manner, wherein the eccentric cam is coupled to a rotating shaft such that the eccentric cam is eccentrically rotated and the synchronous motors are rotated around the rotating shaft, wherein the ratchet gears are located around the rotating shaft, and wherein the first synchronous motor transmits the drive force when a water flow is below a preset data, while the second synchronous motor transmits the drive force when a water flow is above the preset data.