Heating systems – Heat and power plants – Vehicle
Patent
1999-10-04
2000-10-31
Joyce, Harold
Heating systems
Heat and power plants
Vehicle
122 26, 126247, B60H 102
Patent
active
06138920&
ABSTRACT:
A heating system incorporating a heat generator confining therein a heat-generative fluid to viscously generate heat when a shearing action is applied to the fluid by a rotor element, and a heat-generation controller including a heat-generation adjusting actuator which adjustably changes the heat-generating performance of the heat generator on the basis of a signal detected as a first control signal indicating a change in the rotating speed of the rotor element and a preset reference signal. A second control signal detected to indicate a temperature of the heat-generative fluid is used to adjustably change the preset reference signal. The operation of the heating system is controlled by a method in which the first control signal is compared with the preset reference signal to determine whether or not the heat-generation adjusting actuator should actuated to change the heat-generating performance of the heat generator. The method is performed so as to adjust the preset reference signal on the basis of the second control signal which is detected by a temperature sensor.
REFERENCES:
patent: 5743467 (1998-04-01), Ban et al.
patent: 5901670 (1999-05-01), Moroi et al.
patent: 5938115 (1999-08-01), Aoki et al.
patent: 5954120 (1999-09-01), Aoki et al.
Ban Takashi
Hirose Tatsuya
Hoshino Tatsuyuki
Suzuki Shigeru
Boles Derek S.
Joyce Harold
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
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