Cooling fan for internal combustion engine having axially adjustable fan rotor
US8408170B2 · kind B2 · utility
5Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2009 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Oct 3, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/052
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cooling fan (10) for a vehicle engine (50), having a fan casing (60) and a fan rotor (12) which is movable axially relative to the fan casing during operation. There is an actuator (20) for moving the fan rotor (12) to positions which represent various degrees of protrusion (a) from an end of the fan casing (60) in order to optimise the fan's suction capacity and efficiency on the basis of current operating parameters such as fan speed and vehicle velocity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.