| 摘要 |
A fan-cooled gear case has a fan located in a recess and a system of cool channels extending over all faces of the gear case, some of the channels being connected to the inlet side of the fan, while others are connected to the outlet side of the fan. Where necessary, the channels are covered over and have their inlets and outlets situated on the opposite side of the casing to the fan. The fan is driven by a shaft of the gearing.
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