Invention Grant
- Patent Title: Transmission system
- Patent Title (中): 传输系统
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Application No.: US11920823Application Date: 2006-04-27
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Publication No.: US07972236B2Publication Date: 2011-07-05
- Inventor: Hikosaburo Hiraki , Takehiro Komatsu
- Applicant: Hikosaburo Hiraki , Takehiro Komatsu
- Applicant Address: JP Tokyo
- Assignee: Komatsu Ltd.
- Current Assignee: Komatsu Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2005-150598 20050524
- International Application: PCT/JP2006/308857 WO 20060427
- International Announcement: WO2006/126368 WO 20061130
- Main IPC: F16H3/72
- IPC: F16H3/72 ; F16H3/44

Abstract:
A sun gear of a first planetary gear train is connected to an input shaft. A carrier 9 of the first planetary gear train is connected to a sun gear of a second planetary gear train and to a first pump/motor. A ring gear of the first planetary gear train is connected to a second pump/motor, and a ring gear of the second planetary gear train is connected to an output shaft. A first clutch is provided for engaging and disengaging a carrier of the second planetary gear train and the ring gear of the first planetary gear train with and from each other, and a second clutch is provided for engaging and disengaging the carrier of the second planetary gear train and a fixed end with and from each other.
Public/Granted literature
- US20090105028A1 Transmission system Public/Granted day:2009-04-23
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