Title:
TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/085911
Kind Code:
A3
Abstract:
A transmission system, such as for a two wheeled bicycle, including an axle assembly including a set of sprockets, a transmission unit having an input coupled to the set of sprockets and an output arranged to be coupled to a wheel. The transmission unit includes a transmission operable according to a first transmission ratio and a second transmission ratio, a clutch or brake system for switching from the first to the second transmission ratio under load, and a first actuator for controlling the clutch or brake for coupling or decoupling. The transmission system including a second actuator for selecting one of the sprockets for transmission of torque to the axle assembly, and a controller configured to receive a first shift signal and/or a second shift signal, and configured to control the first actuator and/or the second actuator in response to the first or second shift signal.
Inventors:
VAN DRUTEN ROËLL MARIE (NL)
VAN DEN BRAND JOHANNES GIJSBERTUS ANTONIUS (NL)
VAN DEN BRAND JOHANNES GIJSBERTUS ANTONIUS (NL)
Application Number:
PCT/NL2019/050705
Publication Date:
July 23, 2020
Filing Date:
October 25, 2019
Export Citation:
Assignee:
ADVANCING TECH B V (NL)
International Classes:
B62M25/08; B62M9/122; B62M11/16
Foreign References:
| US6045475A | 2000-04-04 | |||
| EP2426043A1 | 2012-03-07 | |||
| US20160272281A1 | 2016-09-22 | |||
| US20030160420A1 | 2003-08-28 | |||
| US20140284897A1 | 2014-09-25 | |||
| US20080312799A1 | 2008-12-18 | |||
| US4400999A | 1983-08-30 | |||
| EP0687622A1 | 1995-12-20 |
Attorney, Agent or Firm:
WITMANS, H.a. (NL)
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