Transmission system for vehicle
US9410622B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2015 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/2823
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission system for optimally re-engaging a shift clutch irrespectively of running conditions of the vehicle. In the transmission system for a vehicle in which a shift clutch is actuated interlockedly with a shift spindle rotationally driven by a shift motor, a target clutch torque for the shift clutch is calculated based on an estimated engine torque derived from an estimated engine torque map which prescribes the relation between engine rotational speed, throttle angle, and estimated engine torque, and a target shift spindle angle is calculated based on a value derived from a target shift spindle angle map which prescribes the relation between the target clutch torque and the target shift spindle angle. A control unit controls the shift motor based on the target shift spindle angle calculated by a target shift spindle angle calculator, at the time of effecting a gear shift of a transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.