Vane air-cooling system for automatic transmission torque...

Details Vane air-cooling system for automatic transmission torque... Vane air-cooling system for automatic transmission torque...

2011-06-28

2011-06-28

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

Working fluid on at least one side of heat exchange wall

C192S113210

Reexamination Certificate

active

07967561

ABSTRACT:
A cooling system is provided for automatic transmission torque converter assemblies having a housing shell and flex plate. The cooling system includes a housing cover having opposing exterior and interior surfaces that define a wall portion and a preferably circular base portion. The base portion is configured to attach to the flex plate, preferably by one or more stud members, to be rotated thereby. The wall portion extends from a periphery of the base portion and is configured to attach to the housing shell. The cooling system also includes a plurality of vane members positioned along the outer periphery of the base portion. The vane members are configured to increase convective dissipation of heat from the torque converter assembly to surrounding ambient air by increasing the heat transfer coefficient and surface area. Optimally, the vanes have a turbine fin configuration, but may alternatively have curved fin or a straight-fin configuration.

REFERENCES:
patent: 2391648 (1945-12-01), Seybold
patent: 3026679 (1962-03-01), Howard
patent: 3280657 (1966-10-01), Holdeman
patent: 4373617 (1983-02-01), Mathues
patent: 4423803 (1984-01-01), Malloy

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