Burner safety system

Patent · Tue Sep 23 04:00:00 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
• Country of Publication: United States
• Language: English

Related Subjects

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