Viscous fluid clutch
US4086987A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1976 |
| Grant date | May 2, 1978 |
| Priority date | — |
| Expiry date | Sep 27, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D35/021
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A viscous fluid clutch including a clutch plate member rotatably mounted in the clutch housing, and serving as a rotatable wall dividing the chamber within the housing into an annular working chamber adjacent one face thereof and an annular reservoir chamber adjacent the other face thereof, with inlet and outlet ports formed in the clutch plate and a radially extending, resilient, flexible valve member mounted on the reservoir chamber face thereof for controlling the flow of fluid medium from the reservoir chamber to the working chamber through the inlet port, in response to the action of a temperature-responsive power unit mounted on the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.