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US 10,094,268 B1Granted
Coolant control valve with load-limiting end stop arrangement and method of operating a coolant control valve
AssigneeSchaeffler Technologies AG & Co. KG
InventorVigel Russalian
Life of this patent
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Abstract
A coolant control valve for an internal combustion engine, including: a housing; a first rotary valve disposed within the housing, the first rotary valve including an axis of rotation and an end stop; and a resilient element connected to the housing. In a first circumferential position for the rotary valve, a first circle, centered on the axis of rotation, passes through the resilient element and the end stop.
Claims4
A method of operating a coolant control valve for an internal combustion engine, comprising:
- rotating a rotary valve, disposed within a housing for the coolant control valve, in a first circumferential direction about an axis of rotation for the rotary valve;
- contacting a resilient element, fixed to a surface of the housing, with an end stop connected to the rotary valve;
- resisting, with the resilient element, compression of the resilient element, in a first axial direction, with a first force;
- and,
- urging, with the end stop, the resilient element in the first axial direction with a second force, less than or equal to the first force and blocking, with the resilient element, rotation of the rotary valve in the first circumferential direction;
- or,
- urging, with the end stop, the resilient element in the first axial direction with a second force, greater than the first force and rotating the end stop past the resilient element in the first circumferential direction.
4 more elements
Dependencies are inferred from the claim text.