Invention Grant
- Patent Title: Method for performing shifts in a motorcycle gearbox
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Application No.: US15994899Application Date: 2018-05-31
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Publication No.: US11377109B2Publication Date: 2022-07-05
- Inventor: David Thomas , Peter Wolff
- Applicant: Bayerische Motoren Werke Aktiengesellschaft
- Applicant Address: DE Munich
- Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Crowell & Moring LLP
- Priority: DE102015223.899.7 20151201
- Main IPC: B60W30/19
- IPC: B60W30/19 ; F16H63/50 ; F16H61/04 ; F16H63/18 ; F16H61/32 ; B60W10/02 ; B60W10/06 ; B60W10/11 ; B62K11/00

Abstract:
A method for changing between a multiplicity of discrete transmission ratio stages in a motorcycle gearbox is provided. In response to a shift demand, during the torque-transmitting connection of a drive shaft of the drive machine to a gearbox input shaft, a gear-selection drum of the transmission is rotatable from a first shifting position to an intermediate position which is situated between the first and a second shifting position, before shifting to the second shift position. In the intermediate position, no drive torque can be transmitted from the gearbox input shaft to a gearbox output shaft. During the gear selection drum movement from the first shifting position and the intermediate position, the drum may be rotated to a rest position in which drive torque can be transmitted from the gearbox input shaft to a gearbox output shaft.
Public/Granted literature
- US20180273043A1 Method for Performing Shifts in a Motorcycle Gearbox Public/Granted day:2018-09-27
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