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1. 发明授权

US6076517A Arrangement for adjusting the gas supply and the control of an operating pressure to a gas cooking apparatus having a gas-radiation burner mounted below a cooking surface 失效
标题翻译：用于调节气体供应和控制对安装在烹饪表面下方的气体放射燃烧器的气体烹饪设备的操作压力的布置
公开(公告)号：US6076517A
公开(公告)日：2000-06-20
申请号：US929800
申请日：1997-09-15
申请人： Michael Kahlke , Christof Koster , Rainer Hasse
发明人： Michael Kahlke , Christof Koster , Rainer Hasse
IPC分类号： F23D14/04 , F23D14/12 , F23D14/64 , F23K5/00 , F23N1/00 , F24C3/04 , F24C3/12 , F24C3/00 , B05B1/14
CPC分类号： F23N1/00 , F23D14/64 , F24C3/047 , F24C3/126 , F23N2027/20 , F23N2041/08 , Y02B40/166
摘要： The invention is directed to an arrangement for adjusting a pressure-fluctuation free supply of gas and for controlling an operating pressure of an air/gas mixture to a radiation-gas burner of a gas cooking apparatus. The radiation-gas burner has a burner chamber and is mounted in a housing below a cover plate. The arrangement includes a gas supply conduit connectable to a gas source for receiving the gas and a pressure controller is mounted in the gas supply conduit for controlling the pressure of the gas to a constant operating pressure of at least 2.5 mbar above atmospheric pressure. A control unit is connected to the pressure controller for receiving the pressure-controlled gas and for metering the gas to the radiation-gas burner. The control unit includes a valve block having at least one exchangeable nozzle adapted to the type of gas from the gas source and a feed conduit has a clear cross-sectional area and communicates with the burner chamber. The feed conduit has an inlet opening adjacent the nozzle. A blower blows air into the apparatus to generate an overpressure whereby the gas metered by the control unit through the nozzle entrains air to form an air/gas mixture entering the feed conduit. An insert is mounted in the feed conduit for reducing the cross-sectional area of the feed conduit. The insert is selected so as to reduce the cross-sectional area to enable the radiation-gas burner to operate at a predetermined efficiency irrespective of the fluctuations in the pressure of the gas and the changes in type of the gas.
摘要翻译：本发明涉及一种用于调节气体的无压力波动自由供应和用于控制空气/气体混合物到气体烹饪设备的辐射 - 气体燃烧器的操作压力的装置。辐射气体燃烧器具有燃烧器室并且安装在盖板下方的壳体中。该装置包括可连接到用于接收气体的气体源的气体供应导管，并且压力控制器安装在气体供应管道中，用于将气体的压力控制在大气压以上至少2.5mbar的恒定工作压力。控制单元连接到压力控制器，用于接收压力控制气体并将气体计量到辐射气体燃烧器。控制单元包括阀块，其具有至少一个可更换的喷嘴，该可更换喷嘴适用于来自气体源的气体类型，进料导管具有清晰的横截面并与燃烧室连通。进料管道具有邻近喷嘴的入口。鼓风机将空气吹入设备以产生超压，由此由控制单元通过喷嘴计量的气体夹带空气以形成进入进料管道的空气/气体混合物。插入件安装在进料管道中，用于减小进料管道的横截面面积。选择插入件以减小横截面面积，以使辐射气体燃烧器以预定效率工作，而与气体的压力波动和气体类型的变化无关。

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