Heat pipe device
OwnerFaramarz Mahdjuri-Sabetinventor
Life of this patent
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Abstract
A heat pipe (1) containing a working fluid, comprises an evaporator (3), a condenser (2), an aperture (16) interconnecting the evaporator and the condenser, and a regulating means (13, 14) for limiting the maximum temperature in the condenser to a predetermined temperature. The regulating means comprises a plug (13) operable by means of a temperature sensitive member (14) to move between a first position in which the aperture is open and a second position in which the plug covers the aperture to restrict the flow of working fluid from the condenser to the evaporator. The working fluid then collects in the condenser and acts on the plug to further restrict the flow of working fluid from the condenser to the evaporator.
Claims13
A heat pipe containing a working fluid and comprising an evaporator, a condenser positioned above the evaporator and including a bottom wall, a tube means which extends from said evaporator throuqh said bottom wall and said condenser to define an aperature in said condenser, and a regulating means for limiting the maximum temperature in the condenser to a predetermined temperature, said regulating means comprising a plug means operable by means of a temperature-sensitive member for movement between a first position in which the aperture is open and a second position wherein the plug means restricts said aperture to limit the flow of the working fluid from the condenser to the evaporator such that the working fluid collects in the condenser and such that the passage of the vaporized working fluid from the evaporator to the condenser through the restricted aperture further limits the flow of the working fluid from the condenser to the evaporator, but provides leakage of the working fluid back into the evaporator.
A heat pipe which contains a vaporizable working fluid and which comprises a condenser in which said working fluid can condense and which includes a bottom wall;
- an evaporator in which said working fluid can vaporize with application of heat, said evaporator being located beneath said condenser;
- a tube means which extends from said evaporator up through said bottom wall and into said condenser to define an aperture in said condenser, and a temperature-regulating means located in said condenser for limiting the temperature in the condenser to a predetermined maximum, said regulating means comprising a plug means and a temperature-sensitive member for moving said plug means between a first position spaced from said aperture and a second position covering said aperture, said plug means, when in said first position, functioning to allow unrestricted drainage of condensed working fluid from said condenser through said aperture into said evaporator, and when in said second position, functioning to restrict drainage of condensed working fluid from said condenser through said aperture into said evaporator and cause accumulation of condensed working fluid around said aperture.
Dependencies are inferred from the claim text.