Thermal energy transfer limited rotating shaft for a...

192 clutches and power-stop control – Clutches – Operators

Reexamination Certificate

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C192S089270, C192S113210

Reexamination Certificate

active

10904393

ABSTRACT:
A clutch assembly (20) for a fan drive system (12) of an engine (14) includes a translatable clutch housing (30) that is coupled to a fan (16). A rotating shaft (27) has a non-grooved thermal energy transfer portion (28) that is coupled to a drive pulley (32) of the engine (14). A liner (34) resides between and is engageable with the rotating shaft (27) and the translatable clutch housing (30). The engagement thereof generates thermal energy. The non-grooved thermal energy transfer portion (28) has a cross-sectional thickness (T1) of approximately less than 11 mm and transfers a significant portion of the thermal energy to the drive pulley (32).

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