Fan system and a method for controlling a fan motor

Details Fan system and a method for controlling a fan motor Fan system and a method for controlling a fan motor

2006-02-13

2010-10-26

Kamen, Noah (Department: 3741)

Internal-combustion engines

Cooling

Devices for cooling liquid by air flow

C123S041110

Reexamination Certificate

active

07819094

ABSTRACT:
The invention relates to a fan system for a controllably cooling a vehicle internal combustion engine comprising an electric fan motor and a control unit for controlling said fan motor, wherein said control unit controls the fan motor according to a regulation correcting variable dependent on a desired cooling power, the control unit is constructed in such a way that it controls the fan motor independently of the desired cooling power at a determined moment with a regulation-correcting variable increased with respect to a correcting variable for a predetermined space of time.

REFERENCES:
patent: 4378760 (1983-04-01), Barge
patent: 2002/0195069 (2002-12-01), Herke et al.
patent: 2004/0113573 (2004-06-01), McCauley et al.
patent: 2006/0004501 (2006-01-01), Volkening et al.
patent: 02188144 (1990-07-01), None
PCT/EP2006/050876 International Search Report, dated Jun. 23, 2006.

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