Phase change cooling of brake components
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United States of America Patent
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Mar 4, 2003
Grant Date -
N/A
app pub date -
Feb 23, 2000
filing date -
Feb 23, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooling device for a brake component is provided. The brake component includes a structural element that has an interior cavity. A cooling material is disposed within the cavity. The material has a phase change temperature at a particular pressure and volume. The material absorbs the heat generated by the structural element by changing from a first state to a second state at the phase change temperature to maintain the brake component or structural element below the maximum operating temperature. The phase change temperature may be defined by a melting point of the material in which the first state is solid and the second state is liquid, or by an evaporation point of the material in which the first state is liquid and the second state is gas.
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