Internal-combustion engines – Cooling – Interrelated coolant flow and throttle control
Patent
1996-05-24
1998-06-02
Kamen, Noah P.
Internal-combustion engines
Cooling
Interrelated coolant flow and throttle control
F01P 714
Patent
active
057586071
ABSTRACT:
The invention provides a cooling system having an electrically adjustable control element for influencing the coolant temperature of internal-combustion engines in motor vehicles. The system according to the invention has an electronic controller which is connected in front of the control element and which, at least as a function of a quantity influenced by the coolant temperature, generates the control signal quantity for the control of the control element for reaching a desired coolant temperature. The parameters of the controller are determined by means of a basic characteristic diagram and at least one characteristic correction diagram.
REFERENCES:
patent: 4545333 (1985-10-01), Nagumo et al.
patent: 5529025 (1996-06-01), Ranzinger et al.
"Adaptive Temperaturregler," Industrie-elektronik+elektronik, 30, Jan. 1985, Nr. 11, pp. 48, 50.
"Adaptive PID-Regler fur thermische Prozesse," L. Billmann et al., atp-Automatisierungstechnische Praxis 31, 1989, pp. 327-330.
"Einfuhrung in Grundlagen und spezielle Probleme von Klimaregelungen," Von F. Mesch, Regelungstechnische Praxis 22 Jan. 1980, Heft 8, pp. 259-267.
Brendel Uwe
Deussen Norbert
Krowiorz Josef
Bayerische Motoren Werke Aktiengesellschaft
Kamen Noah P.
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