Pressure cap for cooling system having variable opening pressure
AssigneeHyundai Motor Company
InventorHyung-Suk BYUN
Life of this patent
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Abstract
A pressure cap structure for a cooling system having variable opening pressure, which is applied to a cooling system for circulating cooling water to radiate heat generated by an engine of a vehicle, and maintains the inside pressure of the cooling system in a predetermined range, the pressure cap may include a positive pressure spring mounted in a valve body, and operated to connect the cooling system to the outside when the pressure of the cooling system rises, and a shape memory member restored to the initial shape when reaching a predetermined temperature, and mounted between the positive pressure spring and a spring guard supporting the positive pressure spring.
Claims8
A pressure cap for a cooling system having variable opening pressure, which is applied to the cooling system for circulating cooling water to radiate heat generated by an engine of a vehicle, and maintains an inside pressure of the cooling system in a predetermined range, the pressure cap structure comprising:
- a positive pressure elastic member mounted in a valve body, and operated to connect the cooling system to an outside when the inside pressure of the cooling system rises;
- and
- a shape memory member restored to an initial shape thereof when reaching a predetermined temperature, and mounted between a positive pressure elastic member and an elastic member guard supporting the positive pressure elastic member.
Dependencies are inferred from the claim text.