Noncontrolling type valve

Details Noncontrolling type valve Noncontrolling type valve

1989-04-24

1990-05-22

Rivell, John

Combustion

Flame holder and fuel tank assembly

222 3, 137549, F23D 1428, F23Q 216

Patent

active

049277472

ABSTRACT:
A noncontrolling type valve for use in a gaslighter, a portable cooking stove and other burners, which valve comprises a valve body push-fitted in a recess formed in the top plate of a gas container; and a filter positioned under the valve body to permit the gas to flow at a controlled rate. The valve according to the present invention uses a porous concave object as a filter. The filter is laid on an impermeable, resilient membrane. The gas invades the concave space of the porous object from the outside to flow in the valve opening. The rise of the surrounding temperature will cause the membrane to bend yieldingly upwards to cover the inside of the porous object, thereby preventing the increase of the gas flow passing through the porous object over a predetermined flow rate.

REFERENCES:
patent: 2662590 (1953-12-01), Reich
patent: 3409049 (1968-11-01), Racek
patent: 3525497 (1970-08-01), Zalar
patent: 3590591 (1971-07-01), Genoud
patent: 3663152 (1972-05-01), Yoshida
patent: 3860385 (1975-01-01), Nakanishi
patent: 3963413 (1976-06-01), Lockwood et al.
patent: 4072290 (1978-02-01), Neyret
patent: 4311450 (1982-01-01), Camos
patent: 4332549 (1982-06-01), Fuller
patent: 4484888 (1984-11-01), Grossiord et al.

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