Thermostatically controlled fan clutch
US4231457A · kind A · utility
28Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 1978 |
| Grant date | Nov 4, 1980 |
| Priority date | — |
| Expiry date | Mar 6, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D43/25
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A thermostatically controlled fan clutch having input and output members journalled about a fixed support shaft. A series of clutch plates are alternately connected to the input and output members. An annular piston housing and piston rotate with the input member and are pressurized to engage the clutches. A bore extends through the piston and connects with an annular groove on its contact face to control clutch engagement and assist in disengagement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.