Control device of vehicle
US10288131B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2017 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Nov 30, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle control device including a multi-speed transmission switching gear shift positions in accordance with a combination of hydraulic friction engagement devices operations and pressure control solenoid valves, the control device shifting gears by providing a shift output signal including a quick-apply signal to the valves after a first time from a shift request, the control device has: a pulsation drive control portion to control selectively pulsating the pressure control solenoid valves in a cycle; and a quick-apply control prohibiting portion to prohibit a provision of a quick-apply control using the quick-apply signal for a second time from a time of termination of the pulsation drive control, and to permit the provision of the quick-apply control after the elapse of the second time, for a valve having undergone the control, the pulsation drive control portion to terminate the control for a valve when the shift request is made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.