Gas valve and gas stove
A gas valve for a gas stove, comprising a valve housing, wherein the valve housing has a gas inlet and a gas outlet, and a gas regulating unit, wherein the gas regulating unit has a cylindrical outer surface, wherein the gas regulating unit is rotatable supported in the valve housing by means of the outer surface, wherein the gas regulating unit has a plurality of gas outlet openings, wherein the gas regulating unit is rotatable into a plurality of flame positions, wherein each gas outlet opening is assigned to one determined flame position, wherein in each flame position the gas inlet is connected to the gas outlet by means of the gas outlet opening which is assigned to the one determined flame position, and wherein the gas outlet openings have cross-sectional areas which differ from each other in order to achieve different flow rates of gas through the gas valve in the individual flame positions.
1 . A gas valve for a gas stove, the gas valve comprising:
a valve housing having a gas inlet and a single gas outlet, wherein two bores of the valve housing lead to the single gas outlet; and
a gas regulating unit having a cylindrical outer surface and a plurality of discrete pairs of gas outlet openings passing through the cylindrical outer surface, wherein the gas regulating unit is supported in the valve housing via the cylindrical outer surface and configured to be rotated into a plurality of individual flame positions, wherein each of the individual flame positions is assigned to a corresponding one of the discrete pairs of gas outlet openings, and wherein the gas regulating unit further includes a gas inlet opening passing through the cylindrical outer surface;
wherein each discrete pair of gas outlet openings includes a first discrete gas outlet opening configured to align with a first one of the two bores and a second discrete gas outlet opening configured to align with a second one of the two bores;
wherein the first discrete gas outlet openings are arranged in a first row and the second discrete gas outlet openings are arranged in a second row, wherein the first row is disposed farther from the gas inlet than the second row, and wherein the first discrete gas outlet opening of each respective discrete pair has a larger cross-sectional area than the second discrete gas outlet opening of the respective discrete pair;
wherein the gas inlet is configured to be connected to the single gas outlet when the gas regulating unit assumes a determined one of the individual flame positions via the corresponding one of the discrete pairs of gas outlet openings aligning with the two bores, each of the discrete pairs of gas outlet openings having a different combined cross-sectional area than each other pair, such that the individual flame positions are configured to have different gas flow rates; and
wherein the gas inlet opening is configured to receive gas from the gas inlet into an interior of the gas regulating unit such that the gas exits the gas regulating unit through the corresponding one of the discrete pairs of gas outlet openings aligned with the two bores.
2 . The gas valve of claim 1 , wherein the cross-sectional area of the first discrete gas outlet openings continuously decreases from a maximum flame position of the gas regulating unit towards a minimum flame position of the gas regulating unit.
3 . The gas valve of claim 1 , wherein the gas regulating unit comprises a tube-shaped gas regulating element.
4 . The gas valve of claim 3 , wherein the discrete pairs of gas outlet openings are evenly distributed along a circumferential direction of the gas regulating element.
5 . The gas valve of claim 3 , further comprising a magnetic safety valve, said gas regulating unit comprising an upper spindle configured to permit rotation of the gas regulating unit in the valve housing, and a lower spindle configured to interact with the magnetic safety valve, said gas regulating element being arranged between the upper spindle and the lower spindle.
6 . The gas valve of claim 5 , wherein the lower spindle passes through an interior of the gas regulating element and is plugged into the upper spindle.
7 . The gas valve of claim 1 , further comprising an elastic sealing element, said gas regulating unit being supported for rotation in the valve housing by the elastic sealing element.
8 . The gas valve of claim 7 , wherein the elastic sealing element is cube-shaped or cuboid-shaped and has a central bore which encompasses the gas regulating unit.
9 . The gas valve of claim 8 , wherein the elastic sealing element has a pair of gas outlet bores in perpendicular arrangement to the central bore, wherein in each of the individual flame positions one of the discrete pairs of gas outlet openings is arranged before the pair of gas outlet bores.
10 . The gas valve of claim 7 , wherein the elastic sealing element is made of a thermostable elastomer.
11 . The gas valve of claim 1 , wherein exactly zero or exactly one of the discrete pairs of gas outlet openings aligns with the two bores in any given rotational position of the cylindrical outer surface.
12 . The gas valve of claim 1 , wherein the two bores extend in a same direction as the single gas outlet.
13 . A gas valve for a gas stove, the gas valve comprising:
a valve housing having a gas inlet, a gas outlet, and a pair of internal bores leading to the gas outlet; and
a gas regulating unit selectively coupling the gas inlet to the gas outlet via the pair of internal bores;
wherein the gas regulating unit is tubular, having a cylindrical outer surface, and is supported in the valve housing with a long axis of the gas regulating unit oriented transverse to the pair of bores;
wherein the cylindrical outer surface of the gas regulating unit includes a gas inlet opening and a plurality of discrete gas outlet openings arranged in two rows spaced around a circumference of the cylindrical outer surface, wherein the plurality of discrete gas outlet openings are arranged into a plurality of discrete pairs, and wherein the gas regulating unit is configured to be rotated into a plurality of individual flame positions, each individual flame position configured to register exactly one respective discrete pair of the discrete gas outlet openings with the pair of internal bores;
wherein each discrete pair of the discrete gas outlet openings has a different combined cross-sectional area, such that the individual flame positions are configured to have different gas flow rates; and
wherein the two rows of the discrete gas outlet openings include a first row and second row, wherein the first row is disposed farther from the gas inlet than the second row, wherein each discrete pair includes a first discrete gas outlet opening disposed in the first row and a second discrete gas outlet opening disposed in the second row, and wherein the first discrete gas outlet opening of each respective discrete pair has a larger cross-sectional area than the second discrete gas outlet opening of the respective discrete pair; and
wherein the gas inlet opening is configured to receive gas from the gas inlet into an interior of the gas regulating unit such that the gas exits the gas regulating unit through the respective discrete pair of the discrete gas outlet openings registered with the pair of internal bores.
14 . The gas valve of claim 13 , wherein exactly zero or exactly one of the discrete pairs of the discrete gas outlet openings registers with the two bores in any given rotational position of the cylindrical outer surface.
15 . The gas valve of claim 13 , wherein the two bores extend in a same direction as the gas outlet.