Hydraulic controlled fan clutch with integral cooling
US7178656B2 · kind B2 · utility
20Cited by
18References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2003 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Nov 9, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D43/284
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulically controlled fan drive system (12) having a method of engagement includes a housing assembly (20) containing a hydraulic fluid (48) and an engaging circuit (36). The engaging circuit (36) includes a pitot tube (152) coupled within the housing assembly (20) that receives at least a portion of the hydraulic fluid (48). An engaging circuit (36) engages the housing assembly (20) to a fan shaft (44) in response to supply of the hydraulic fluid (48) from the pitot tube (152).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.