Apparatus and method of regulating the temperature of solid fuel

Details Apparatus and method of regulating the temperature of solid fuel Apparatus and method of regulating the temperature of solid fuel

1997-12-23

1999-07-06

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

318268, 110186, 110101C, F23B 700, F23N 514

Patent

active

059201681

ABSTRACT:
A speed controller for motors of a solid fuel stove or stoker includes a bidrectional switch, such as a thyristor, to be interposed along an ac power line. The controller operates in a speed control mode for sending reduced power to a stove when a space thermostat is satisfied. The speed control mode may be automatically modulated between minimum and maximum in response to remote sensors, such as a thermistor. The controller may also provide a power-up mode for a predetermined period of time to supply full power to stove motors upon start-up, such as after a power outage. The controller may also provide full power to the stove motors when the motors are being powered by an inverter.

REFERENCES:
patent: 2162116 (1939-06-01), Peltz
patent: 3949936 (1976-04-01), Boyer et al.
patent: 4049193 (1977-09-01), Haviland et al.
patent: 4519323 (1985-05-01), Takano et al.
patent: 4598648 (1986-07-01), D'Angelo
patent: 4697530 (1987-10-01), Marcotte et al.

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