Invention Grant
- Patent Title: Range transmission of a motor vehicle
- Patent Title (中): 机动车辆的范围传输
-
Application No.: US13874505Application Date: 2013-05-01
-
Publication No.: US08905890B2Publication Date: 2014-12-09
- Inventor: Kai Borntraeger
- Applicant: ZF Friedrichshafen AG
- Applicant Address: DE Friedrichshafen
- Assignee: ZF Friedrichshafen AG
- Current Assignee: ZF Friedrichshafen AG
- Current Assignee Address: DE Friedrichshafen
- Agency: Davis & Bujolid, PLLC
- Agent Michael J. Bujold
- Priority: DE102012207327 20120503
- Main IPC: F16H3/62
- IPC: F16H3/62 ; F16H3/78 ; F16H3/66

Abstract:
A range-change transmission having a main transmission, an upstream splitter group and a downstream range group. The main transmission comprises planetary gearsets (PS2, PS3). A ring gear of gearset (PS2) is rotationally fixed to an input shaft of the main transmission. A planetary carrier of gearset (PS2) is fixed, via an intermediate shaft, to the sun gear of gearset (PS3). By way of one dual shifting element, the sun gear of gearset (PS2) can be selectively locked to the housing or rotationally fixed to the intermediate shaft. By way of two single shifting elements, the planetary carrier of gearset (PS3) can be locked to the housing or rotationally fixed to the output shaft of the main transmission. By way of another dual shifting element, the ring gear of gearset (PS3) can be locked to the housing or rotationally fixed to the output shaft of the main transmission.
Public/Granted literature
- US20130296097A1 RANGE TRANSMISSION OF A MOTOR VEHICLE Public/Granted day:2013-11-07
Information query