Engine heater

Patent · Tue Nov 17 04:00:00 EST 1987

OSTI ID:5743339

Nakai, G T

A heater is described comprising: (a) a combustion chamber; (b) a burner in the combustion chamber; (c) spaced gas conduits from the combustion chamber defining air passages therebetween; (d) a liquid jacket having a liquid inlet and outlet; (e) a multiplicity of spaced apart air conduits through the liquid jacket; and (f) means for directing air through the air passages and then through the air conduit. A method for starting a heating apparatus having a fuel burner, a liquid circulation system including a liquid pump, a burner igniter, an air blower, a fuel pump and a burner flame sensor is described comprising the sequential steps of: (a) circulating liquid through the heater; (b) activating the burner igniter; (c) blowing air into the heater and to the burner; (d) pumping fuel to the burner; (e) sensing for a flame at the burner; and (f) deactivating the burner igniter when a flame is sensed at the burner.

• Assignee: NOV; EDB-88-017254; NOV-88-088055
• Patent Number(s): US 4706644
• OSTI ID: 5743339
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
BURNERS
COMBUSTION CHAMBERS
DESIGN
ENGINES
FLUID FLOW
GAS FLOW
HEAT ENGINES
HEATERS
IGNITION SYSTEMS
INTERNAL COMBUSTION ENGINES
LIQUID FLOW
PUMPS
SLEEVES
START-UP