发明公开
EP0631895A1 Twin countershaft transmission and improved power take-off arrangement therefor
失效
Vorgelegegetriebe mit zwei Vorgelegewellen und AnordnungfürNebenantrieb。
- 专利标题： Twin countershaft transmission and improved power take-off arrangement therefor
- 专利标题（中）： Vorgelegegetriebe mit zwei Vorgelegewellen und AnordnungfürNebenantrieb。
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申请号： EP94304120.2申请日： 1994-06-08
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公开(公告)号： EP0631895A1公开(公告)日： 1995-01-04
- 发明人: Bogema, Edward John
- 申请人： EATON CORPORATION
- 申请人地址： Eaton Center, 1111 Superior Avenue Cleveland Ohio 44114 US
- 专利权人： EATON CORPORATION
- 当前专利权人： EATON CORPORATION
- 当前专利权人地址： Eaton Center, 1111 Superior Avenue Cleveland Ohio 44114 US
- 代理机构： Douglas, John Andrew
- 优先权： US74171 19930609
- 主分类号： B60K17/28
- IPC分类号： B60K17/28 ; F16H3/095
摘要：
A change gear device (11) is disclosed of the type including a pair of substantially identical countershafts (27,29). The device includes a hydraulic PTO comprising a pair of fluid displacement mechanisms (71,73), each of which comprises a gerotor pump, and each of which receives input torque from one of the countershafts, by means of a pair of PTO input shafts (61,63), respectively. The PTO input shafts are clutched to the respective countershafts. The pressurized fluid output of the two fluid displacement mechanisms (71,73) is combined at a port (133), or other suitable location. Preferably, the two displacement mechanisms (71,73) are substantially identical, such that equal torques are transmitted through the transmission countershafts (27,29) while the hydraulic PTO of the invention is in operation.
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