Exhaust gas recirculation valve having cam structure for vehicle
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United States of America Patent
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Sep 26, 2017
Grant Date -
Jul 20, 2017
app pub date -
Jan 14, 2016
filing date -
Jan 14, 2016
priority date (Note) -
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Abstract
An exhaust gas recirculation valve having a cam structure for opening and closing a gas passage through which exhaust gas is recirculated to an intake manifold. The valve includes a valve housing having the gas passage, a valve unit linearly moving to selectively open and close the gas passage, a motor generating power to drive the valve unit, a valve actuator driving the valve unit to move linearly, and a power transmission transmitting the rotation force from the motor to the valve actuator. The valve actuator includes a power-transmission gear unit to transmit the rotation force from the motor, and the valve actuator includes an actuating gear unit to be rotated by being meshed with the power-transmission gear unit. The valve has a cam structure in which the power-transmission gear unit and the actuating gear unit are arranged in line with a direction of linear motion of the valve unit.
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