Gas valve unit

Abstract

A gas valve unit includes a plurality of individually actuatable throttle sections which are arranged in parallel relation for setting a throughflow rate of a gas volumetric flow that is fed to a gas burner of a gas appliance. Each throttle section has a plurality of throttle points which are arranged in series, with the throttle points arranged in series having an opening cross section that increases along the series.

1 - 14 . (canceled) 
     
     
         15 . A gas valve unit, comprising a plurality of individually actuatable throttle sections arranged in parallel relation for setting a throughflow rate of a gas volumetric flow that is fed to a gas burner of a gas appliance. 
     
     
         16 . The gas valve unit of  claim 15 , constructed for use in a gas cooking appliance as the gas appliance. 
     
     
         17 . The gas valve unit of  claim 15 , wherein each said throttle section has a plurality of throttle points arranged in series. 
     
     
         18 . The gas valve unit of  claim 17 , wherein the throttle points arranged in series have an opening cross section that increases along the series. 
     
     
         19 . The gas valve unit of  claim 15 , wherein each said throttle section has a throttle section switch for activating and deactivating the throttle section. 
     
     
         20 . The gas valve unit of  claim 15 , wherein each said throttle section has a plurality of throttle points arranged in series and a throttle section switch arranged downstream of the throttle points to activate and deactivate the throttle section. 
     
     
         21 . The gas valve unit of  claim 19 , further comprising a trigger facility configured to trigger the throttle section switches of the throttle sections and to select a certain trigger profile of a plurality of trigger profiles for triggering the throttle section switches as a function of a gas type to be used and to trigger the throttle section switches with the selected one of the trigger profiles. 
     
     
         22 . The gas valve unit of  claim 20 , further comprising a trigger facility configured to trigger the throttle section switches of the throttle sections and to select a certain trigger profile of a plurality of trigger profiles for triggering the throttle section switches as a function of a gas type to be used and to trigger the throttle section switches with the selected one of the trigger profiles. 
     
     
         23 . The gas valve unit of  claim 17 , further comprising a plurality of valve units, with an ith one of the valve units being configured to trigger an ith one of the throttle points of the throttle sections, wherein i∈[1, . . . , M], with M being the plurality of valve units. 
     
     
         24 . The gas valve unit of  claim 23 , wherein each said valve unit has a number of open/close valves, with an jth one of the open/close valves being configured to trigger an jth one of the throttle section, where j∈[1, . . . , N], with N being the number of open/close valves. 
     
     
         25 . The gas valve unit of  claim 24 , further comprising a control apparatus configured to actuate the open/close valves of the valve unit at a same time. 
     
     
         26 . The gas valve unit of  claim 24 , wherein the number of open/close valves of the valve unit is formed by a blocking body, a spring acting on the blocking body and a number of separating walls to feed the gas volumetric flow to the throttle sections. 
     
     
         27 . The gas valve unit of  claim 23 , further comprising at least one magnetically active body configured for movement relative to the valve units to activate the valve units in an additive manner. 
     
     
         28 . The gas valve unit of  claim 27 , wherein the at least one magnetically active body is a permanent magnet. 
     
     
         29 . The gas valve unit of  claim 15 , further comprising a conversion facility configured for gas conversion is in a region of an actuation shaft of the gas valve unit. 
     
     
         30 . The gas valve unit of  claim 29 , wherein the conversion facility is a screw. 
     
     
         31 . A gas fitting, comprising at least one gas valve unit, said gas valve unit including a plurality of individually actuatable throttle sections arranged in parallel relation for setting a throughflow rate of a gas volumetric flow that is fed to a gas burner of a gas appliance. 
     
     
         32 . The gas fitting of  claim 31 , wherein the gas valve unit is constructed for use in a gas cooking appliance as the gas appliance. 
     
     
         33 . The gas fitting of  claim 31 , wherein each said throttle section has a plurality of throttle points arranged in series. 
     
     
         34 . The gas fitting of  claim 33 , wherein the throttle points arranged in series have an opening cross section that increases along the series. 
     
     
         35 . The gas fitting of  claim 31 , wherein each said throttle section has a throttle section switch for activating and deactivating the throttle section. 
     
     
         36 . The gas fitting of  claim 31 , wherein each said throttle section has a plurality of throttle points arranged in series and a throttle section switch arranged downstream of the throttle points to activate and deactivate the throttle section. 
     
     
         37 . The gas fitting of  claim 35 , wherein the gas valve unit includes a trigger facility configured to trigger the throttle section switches of the throttle sections and to select a certain trigger profile of a plurality of trigger profiles for triggering the throttle section switches as a function of a gas type to be used and to trigger the throttle section switches with the selected one of the trigger profiles. 
     
     
         38 . The gas fitting of  claim 36 , wherein the gas valve unit includes a trigger facility configured to trigger the throttle section switches of the throttle sections and to select a certain trigger profile of a plurality of trigger profiles for triggering the throttle section switches as a function of a gas type to be used and to trigger the throttle section switches with the selected one of the trigger profiles. 
     
     
         39 . The gas fitting of  claim 33 , wherein the gas valve unit includes a plurality of valve units, with an ith one of the valve units being configured to trigger an ith one of the throttle points of the throttle sections, wherein i∈[1, . . . , M], with M being the plurality of valve units. 
     
     
         40 . The gas fitting of  claim 39 , wherein each said valve unit has a number of open/close valves, with an jth one of the open/close valves being configured to trigger an jth one of the throttle section, where j∈[1, . . . , N], with N being the number of open/close valves. 
     
     
         41 . The gas fitting of  claim 40 , wherein the gas valve unit includes a control apparatus configured to actuate the open/close valves of the valve unit at a same time. 
     
     
         42 . The gas fitting of  claim 40 , wherein the number of open/close valves of the valve unit is formed by a blocking body, a spring acting on the blocking body and a number of separating walls to feed the gas volumetric flow to the throttle sections. 
     
     
         43 . The gas fitting of  claim 39 , wherein the gas valve unit includes at least one magnetically active body configured for movement relative to the valve units to activate the valve units in an additive manner. 
     
     
         44 . The gas fitting of  claim 43 , wherein the at least one magnetically active body is a permanent magnet. 
     
     
         45 . The gas fitting of  claim 31 , wherein the gas valve unit includes a conversion facility configured for gas conversion is in a region of an actuation shaft of the gas valve unit. 
     
     
         46 . The gas fitting of  claim 45 , wherein the conversion facility is a screw. 
     
     
         47 . A gas appliance, comprising a gas fitting including at least one gas valve unit, said gas valve unit having a plurality of individually actuatable throttle sections arranged in parallel relation for setting a throughflow rate of a gas volumetric flow that is fed to a gas burner of a gas appliance. 
     
     
         48 . The gas appliance of  claim 47 , constructed in the form of a gas oven.