Matches 1 - 22 out of 22
Match Document Document Title
6920377 Self-sustaining control for a heating system  
A self-sustaining control for a heating system, having conventional operational modes and pilot burner assembly, is disclosed. A controller directs operation in accordance with a need-based...
4599990 Control system and method for recirculating-type deep fat fryer  
This invention relates to a deep fat fryer of the external heat exchanger, pumped-recirculation type, and more specifically, discloses a control system for automatically heating and recirculating...
4346836 Pressure cooker canning unit  
A pressure cooker canning unit for batch canning, the canning unit including a pressurizable retort having a highly accurate control and monitoring system for temperature regulation and...
3949936 Control system for boilers furnishing steam for heating  
Time controlled switching apparatus is connected in series circuit with a steam pressure sensor and a line starter associated with a boiler firing system. The switching apparatus is rendered...
3770196 CONTROL CIRCUIT FOR A HEATING SYSTEM  
A solid-state control circuit for a steam heating system of the type wherein a steam boiler is fired when the condensate returned to the boiler reaches a predetermined minimum temperature, and is...
3716188 STEAM GENERATOR CONTROL  
A steam chamber and heater for generating steam to fill said steam chamber in combination with a control system therefor. The control system automatically energizes the heater in response to a...
3285316 Oil burning combustion head  
3285315 Oil burner with widely variable operating range  
3283801 Steam generating unit  
3214660 Control system  
3112876 Two-stage valve having floating switches  
3110818 Control systems  
3070149 High-low fuel burning systems in conjunction with plural fire chambers  
3062271 Pneumatic addition of flow signals  
3053515 Temperature and moisture control devices  
3017869 Control system  
2929441 Liquid fuel burner feed control system  
2896609 Coffee preparing apparatus  
2825825 Electrical control circuit  
2805652 Water level responsive controls for combustion apparatus  
2780186 Feeding pulverized fuel for combustion  
1002278 Title is not available  
Matches 1 - 22 out of 22