Fluid coupling for engine cooling system
US4938331A · kind A · utility
7Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1989 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Sep 25, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D35/026
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid coupling for an engine cooling system includes a driving member rotationably coupled to a driven member by a viscous fluid coupling. The viscous fluid coupling is controlled to vary the torque transfer from the driving member to the driven member as a function of a sensed engine liquid coolant temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.