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US 2016/0069563 A1Published application
Device for burning pre-mixed gas
AssigneeYahtec
InventorYves CAZARD
Life of this patent
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Abstract
A device for burning premixed gas, including a ventilator (1) for drawing in the air/gas mixture, a gas-supply valve (2), a gas injector (3), and a venturi (4) interposed between said injector (3) and the ventilator (1), so as to create a negative pressure on the gas valve (2), The venturi (4) includes a movable part (40) capable of moving under the action of said ventilator (1) and a restoring spring (43), the displacement of said movable part being capable modifying the cross-sections of the passages (41, 42) for gas (G) and air (A).
Claims2
A device for burning premixed gas comprising:
- a ventilator drawing in an air/gas mixture,
- a gas-supply valve,
- a gas injector, and
- a venturi interposed between said gas injector and said ventilator, so as to create a negative pressure on said gas-supply valve,
- wherein said venturi comprises a movable part moving under action of said ventilator and a restoring spring, and wherein displacement of said movable part modifies cross-sections of passages for gas and air.
2 more elements
Dependencies are inferred from the claim text.