BRAKE DISK ROTOR

PROBLEM TO BE SOLVED: To provide a brake disk rotor improving cooling performance, reducing variation of heat capacity of an outer circumference part of the rotor in a circumference direction and improving vibration resistance performance. SOLUTION: Fins 3 of substantially same shape are arranged ra...

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Bibliographische Detailangaben
Hauptverfasser: TERAJIMA HISAMI, ENOKIDA YASUHIRO, OKADA MICHIHARU, YUASA MAKOTO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a brake disk rotor improving cooling performance, reducing variation of heat capacity of an outer circumference part of the rotor in a circumference direction and improving vibration resistance performance. SOLUTION: Fins 3 of substantially same shape are arranged radially from disks 1, 2 with an equal angle interval. Each fin 3 is set to make width of ventilation hole 4 roughly same and bilateral symmetry. Consequently, flow speed of air passing inside of the ventilation holes 4 is made roughly equal to improve cooling performance and to reduce variation of heat capacity of the rotor outer circumference part in the circumference direction. Vibration resistance performance is improved by depressing a side surface 3a of each fin 3 in a center line side. COPYRIGHT: (C)2005,JPO&NCIPI