Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent
1975-06-18
1976-06-29
Favors, Edward G.
Heating systems
Automatic control
Heat source is a reverse cycle refrigerating system or heat...
431 78, G05D 2300
Patent
active
039661180
ABSTRACT:
A fully automatic regulating equipment for a heating device having an oil vaporizing burner, for instance for a central heating furnace, comprises a thermostat responsive to the output hot water temperature or to the room temperature and having a contact which is arranged in series with an electronic time delay relay by which an ignition member activated by a surface thermostat, the bi-metallic heating winding of an oil control regulator and the excitation winding of a solenoid operated valve arranged in the pipeline leading to the burner can be switched to the main voltage. The equipment further comprises a thermo-relay arranged in series with the contact of the time delay relay and parallel to the excitation winding of the ignition member. The thermo relay is operated to switch the bi-metallic heating winding of the oil control regulator and the excitation winding of the solenoid operated valve with time delay with respect to the winding of the ignition member, to the main voltage.
REFERENCES:
patent: 3352490 (1967-11-01), Dalzell et al.
patent: 3644074 (1972-02-01), Cade
patent: 3816053 (1974-06-01), Cade
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