Burner safety system

Patent · Tue Sep 23 00:00:00 EDT 1986

OSTI ID:5135703

Simpson, K N

In combination with a fuel burner, this patent describes a pilot light burner disposed adjacent the fuel burner for lighting the fuel burner, and a solenoid-operated valve controlling the supply of fuel to the fuel burner, a thermocouple operable when heated to produce a thermoelectric current placed to be heated by the heat of the pilot light burner, an electromagnetic coil connected across the thermocouple energized by the thermoelectric current of the thermocouple, a reed switch unit including an envelope and switch contacts within the envelope actuated by the application of a magnetic flux thereto, the reed switch being mounted adjacent and in the magnetic field of the coil with energizing of the coil, a magnet, a mounting for the magnet wherein such is spaced from the reed switch unit, and circuit means connected to the reed switch unit and actuated by the unit to control actuation of the solenoid of the solenoid-operated valve.

• Assignee: NOV; NOV-85-026027; EDB-86-184810
• Patent Number(s): US 4613300
• OSTI ID: 5135703
• Resource Relation: Patent File Date: Filed date 09 Oct 1984
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
BURNERS
CONTROL SYSTEMS
SAFETY
COMBUSTION
ELECTRIC CURRENTS
ELECTROMAGNETS
FUELS
HEATING
MAGNET COILS
MAGNETIC FIELDS
MAGNETIC FLUX
POSITIONING
SOLENOIDS
SPACE DEPENDENCE
SWITCHING CIRCUITS
THERMOCOUPLES
THERMOELECTRICITY
VALVES
CHEMICAL REACTIONS
CONTROL EQUIPMENT
CURRENTS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTRICITY
ELECTRONIC CIRCUITS
EQUIPMENT
FLOW REGULATORS
MAGNETS
MEASURING INSTRUMENTS
OXIDATION
THERMOCHEMICAL PROCESSES
421000* - Engineering- Combustion Systems