发明名称 Gear unit and method for controlling an internal pressure in the gear unit
摘要 The invention relates to a gear unit, in particular for foundation engineering devices, comprising a gear housing and a pressure device for changing an internal pressure present in the gear housing. For a precise pressure balance to the environmental pressure it is intended that an active setting device is arranged which can be controlled by a control device in order to change the internal pressure. The invention further relates to a method for pressure balance related thereto.
申请公布号 US2005091885(A1) 申请公布日期 2005.05.05
申请号 US20040980150 申请日期 2004.11.04
申请人 ARZBERGER MAXIMILIAN 发明人 ARZBERGER MAXIMILIAN
分类号 E02F5/02;E02D17/13;E21B4/00;F16H1/14;F16H57/02;(IPC1-7):E21B7/00 主分类号 E02F5/02
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