Metering fuel supply to a sand packing combustion chamber

Details Metering fuel supply to a sand packing combustion chamber Metering fuel supply to a sand packing combustion chamber

1982-01-20

1984-01-17

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164169, B22C 1500

Patent

active

044259573

ABSTRACT:
In a molding machine for producing foundry sand molds the sand is compressed or packed by means of a pressure wave acting on the sand surface produced by explosive combustion of a mixture of fuel and air. The dosing of the fuel to be burned is carried out by a pressure regulated supply pipe, in which a dosing container is filled with fuel, e.g., gas, up to an exactly defined excess pressure. This fuel or gas is thereafter fed to the combustion chamber under relief of the gas pressure in the dosing container down to a lower pressure level.

REFERENCES:
patent: 3170202 (1965-02-01), Huston, Sr. et al.
patent: 4306609 (1981-12-01), Fischer et al.

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