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US 10,704,703 B2Granted
Coolant control valve unit
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsHyo Jo Lee, Yonggyu Lee
Life of this patent
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Abstract
A coolant control valve unit is provided. The valve unit includes a valve that opens and closes a coolant path and a rod that is extended from one side of the valve. A cam is also provided which includes a track formed with a predetermined inclination and a predetermined height along a rotation direction with respect to a rotation axis. The track thus presses the rod according to the rotation of the cam which is rotated about the rotation axis by and an actuator.
Claims10
A coolant control valve unit, comprising:
- a valve configured to open or close a coolant path;
- a rod extended from one side of the valve;
- a cam having a track formed with an inclination and a particular height along a rotation direction with respect to a rotation axis of the cam, wherein the track presses the rod based on the rotation of the cam;
- an actuator configured to rotate the cam about the rotation axis,
- wherein while the coolant path is closed by the valve, a gap is formed between the track and the rod, and
- wherein the cam rotates without contacting the rod by the gap until the cam rotates by a threshold angle;
- an upper member through which the rod penetrates;
- a plate engaged to a bottom side of the cam;
- and
- a cam elastic member configured to maintain the gap between the plate and the bottom side of the cam by being disposed between the plate and the bottom side of the cam.
7 more elements
Dependencies are inferred from the claim text.