- 专利标题: Multi-speed planetary transmission
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申请号: US15821571申请日: 2017-11-22
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公开(公告)号: US10352407B2公开(公告)日: 2019-07-16
- 发明人: Jezrah Horen , Douglas S. Burchett , Michael Foster
- 申请人: Jezrah Horen , Douglas S. Burchett , Michael Foster
- 申请人地址: US IN Indianapolis
- 专利权人: Allison Transmission, Inc.
- 当前专利权人: Allison Transmission, Inc.
- 当前专利权人地址: US IN Indianapolis
- 代理机构: Faegre Baker Daniels LLP
- 主分类号: F16H3/66
- IPC分类号: F16H3/66 ; F16H3/44
摘要:
A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have four planetary gearsets and six selective couplers. The six selective couplers may include three clutches and three brakes.
公开/授权文献
- US20180106334A1 MULTI-SPEED PLANETARY TRANSMISSION 公开/授权日:2018-04-19
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