Clutch cooling grooves for uniform plate temperature in...

Details Clutch cooling grooves for uniform plate temperature in... Clutch cooling grooves for uniform plate temperature in...

2005-03-11

2008-11-11

Bonck, Rodney H (Department: 3681)

192 clutches and power-stop control

Elements

Lubricating, insulating, or cooling

C182S070000, C182S070000, C182S107000

Reexamination Certificate

active

07448483

ABSTRACT:
Clutch cooling grooves formed on a friction plate are provided. The grooves are shaped to provide for substantially uniform steel disk temperatures in friction launch of a vehicle. The grooves are shaped such that the largest cross-sectional area is located adjacent to what would otherwise have been a hot area on the steel disk and the smallest cross-sectional area is located at the coolest location on the steel disk, at the cooling fluid inlet. Thus, the groove is shaped such that the smallest cross-sectional area is located at the cooling fluid inlet, the largest cross-sectional area is located between the cooling fluid inlet and the cooling fluid outlet, and the cooling fluid outlet has a cross-sectional area larger than the cooling fluid inlet and smaller than the cross-sectional area adjacent to the hot spot of the steel disk, between the cooling fluid inlet and the cooling fluid outlet.

REFERENCES:
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patent: 2005/0217965 (2005-10-01), Muranaka et al.

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