Hydrostatic transaxle having a fan and pulley arrangement

Details Hydrostatic transaxle having a fan and pulley arrangement Hydrostatic transaxle having a fan and pulley arrangement

1991-07-22

1993-03-09

Braun, Leslie A.

Machine element or mechanism

Elements

Gear casings

74606A, 60487, F16H 5704

Patent

active

051918137

ABSTRACT:
A hydrostatic transmission includes a fan and pulley, attached to the input drive shaft, the fan and pulley being connected by a coupling device and including aligned air flow holes for drawing the air into the fan. The fan has several types of blades for directing the inflowing air downwardly and outwardly and in cooperation with radially curved fins cast in the transmission casing directly below the fan such that the helical air flow pattern developed by the fan and pulley is helically drawn over the transmission to effect efficient cooling thereof with fresh cool air.

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