Hydraulic control device for automatic transmission
US10626989B2 · kind B2 · utility
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14References
20Claims
0Family size
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Key dates
| Filing date | Jul 14, 2015 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Aug 3, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2037/026
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic control device where the engagement pressure which is supplied from the first solenoid valve is supplied to the synchronization mechanism in the case where the signal pressure is not supplied to the switching valve, and the engagement pressure which is supplied from the first solenoid valve is supplied to the engagement element and the source pressure is supplied to the synchronization mechanism as the engagement pressure in the case where the signal pressure is supplied to the switching valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.