Clutch with inertia control valve
US4167993A · kind A · utility
14Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 1977 |
| Grant date | Sep 18, 1979 |
| Priority date | — |
| Expiry date | Nov 11, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2045/0294
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An engagement control valve for a lock-up clutch operable to control the clutch engagement force in response to the angular acceleration of the clutch. The valve has one member rotatable with the clutch and another member resiliently connected with the one member. The valve members cooperate to control the fluid passage such that, on sufficiently high angular acceleration of the clutch, the passage is open to reduce the engagement force of the clutch thus preventing the transmission of torsional vibrations which are not damped by a conventional damper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.