Gas burner
First Claim
Patent Images
1. A gas burner comprising:
- a first burner unit and a second burner unit, whereinthe first burner unit and the second burner unit are configured to suck air from above a base plate forming the top side of a cabinet of a gas appliance, whereinthe first burner unit is a low power burner unit and the second burner unit is a high power burner unit, wherein each of the first burner unit and the second burner unit comprises a gas inlet, an injector, a venturi pipe, and several gas outlets, the gas burner further comprisinga first flame crown for the first burner unit, a second flame crown for the second burner unit, and an upper cap, whereinthe first flame crown, the second flame crown, and the upper cap are coaxially arranged one above the other, wherein the low power burner unit is configured to provide a laminar flame through the gas outlets, wherein the low power burner unit comprises a circumferentially extending duct having a U-shaped cross-section configured to provide a velocity drop of an air/gas mixture, wherein the velocity drop, at least in part, provides the laminar flame, and wherein the U-shaped cross-section is formed by a circumferentially extending protrusion formed on the second flame crown that extends at least partially in a recess formed in the first flame crown.
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Accused Products
Abstract
The invention provides a gas burner (10) with a high power burner unit and a low power burner unit.
48 Citations
17 Claims
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1. A gas burner comprising:
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a first burner unit and a second burner unit, wherein the first burner unit and the second burner unit are configured to suck air from above a base plate forming the top side of a cabinet of a gas appliance, wherein the first burner unit is a low power burner unit and the second burner unit is a high power burner unit, wherein each of the first burner unit and the second burner unit comprises a gas inlet, an injector, a venturi pipe, and several gas outlets, the gas burner further comprising a first flame crown for the first burner unit, a second flame crown for the second burner unit, and an upper cap, wherein the first flame crown, the second flame crown, and the upper cap are coaxially arranged one above the other, wherein the low power burner unit is configured to provide a laminar flame through the gas outlets, wherein the low power burner unit comprises a circumferentially extending duct having a U-shaped cross-section configured to provide a velocity drop of an air/gas mixture, wherein the velocity drop, at least in part, provides the laminar flame, and wherein the U-shaped cross-section is formed by a circumferentially extending protrusion formed on the second flame crown that extends at least partially in a recess formed in the first flame crown. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification