Clutch-purpose hydraulic servo
US7232022B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 23, 2006 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Oct 23, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H3/66
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a hydraulic servo for a clutch, a cancel plate is disposed on a second clutch drum that undergoes the same rotation as a second clutch drum provided with a cylinder portion, in such a fashion that the cancel plate is restricted from moving to a side opposite from a return spring in an axial direction. The first clutch drum is disposed, as a separate member, on the second clutch drum. A step portion of the second clutch drum prevents the first clutch drum from moving to a side opposite from the cancel plate. Due to the spring force of the return spring, the oil pressure in the cancel oil chamber and the oil pressure in the operating oil chamber, the force that presses the first clutch drum to the step portion is always greater than the force that presses the first clutch drum to the cancel plate side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.