Electronically controlled fluid coupling device with fluid scavenge control and enhanced cooling
US8186494B2 · kind B2 · utility
16Cited by
10References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2007 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Feb 8, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/10487
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A viscous fan drive with a front-mounted fan and electrical actuation without a tethered harness. The mechanical package includes an inverted viscous clutch, a drive pulley, a split electromagnetic actuator with the electrical portion mounted to a stationary mounting member. Enhanced cooling can be provided with breather openings in the pulley, breather slots in the body member, and fins in the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.