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    • 1. 发明授权
    • Heat-generating element and electric heating device containing such
    • US11686502B2
    • 2023-06-27
    • US16828338
    • 2020-03-24
    • Eberspächer catem GmbH & Co. KG
    • Patrick KachelhofferKurt Walz
    • F24H9/1863H05B3/24F24H3/04
    • F24H9/1872F24H3/0464H05B3/24H05B2203/016H05B2203/02H05B2203/023
    • A heat-generating element for an electric heating device includes a heating element casing which comprises a casing element formed from a ceramic material and a casing mating element formed from a ceramic material. The two casing elements bear against each other in a sealing manner and enclose, in a sealing manner between each other, a PTC element and conductor tracks. The conductor tracks bear, in an electrically conductive manner, against the PTC element and are assigned different polarities for energizing the PTC element. The heating element casing carries contact strips connected in an electrically conductive manner to the associated conductor tracks. At least one of the conductor tracks is formed by an electrically conductive element which is provided with through holes and which, in a height direction of the conductor track, comprises discrete points of support that bear against the PTC element and one of casing element and casing mating element. The present invention further relates to an electric heating device with at least one heater casing with a heat-generating element of the type described here that is arranged in a circulation chamber with a heating element casing joining at least one PTC element and contact strips energizing the PTC element as a structural unit. The heat generating element has the contact strips electrically connected to the PTC element projecting over itself. A partition wall separates the circulation chamber from a connection chamber of the heater casing. The contact strips of the PTC heating element protrude through the partition wall and are exposed and electrically connected.
    • 4. 发明申请
    • ELECTRIC HEATING DEVICE
    • 电加热装置
    • US20160214463A1
    • 2016-07-28
    • US15008429
    • 2016-01-27
    • Mahle International GmbH
    • Jean-Philippe Gries
    • B60H1/03H05B1/02
    • H05B1/0236B60H1/2225B60H2001/003B60H2001/00614F24H3/0429F24H3/0435F24H9/0063F24H9/1872H05B3/50H05B2203/023
    • An electric heating device may include a housing having two opposing walls extending in an upward direction and defining a flow chamber that allows the massage of a medium in a flow direction. The electric device may also include an electric heating element located inside the flow chamber and configured to heat the medium. The electric device may further include a printed circuit board furnished with at least one electric component for controlling the heating element, the printed circuit board being located inside the housing. The heating device may further include a flow guidance element with at least one diversion section for diverting the medium towards the printed circuit board, the flow guidance element extending over at least a subsection of the flow chamber in the upward direction.
    • 电加热装置可以包括壳体,其具有沿向上方向延伸的两个相对的壁,并且限定允许沿流动方向按压介质的流动室。 电气设备还可以包括位于流动室内部并被配置为加热介质的电加热元件。 电气设备还可以包括布置有至少一个用于控制加热元件的电气部件的印刷电路板,印刷电路板位于壳体内部。 加热装置还可以包括具有至少一个分流部分的流动引导元件,用于将介质转向印刷电路板,流动引导元件在向上的方向上延伸到流动室的至少一个子部分。
    • 8. 发明申请
    • AIR CONDITIONING SYSTEM FOR MOTOR VEHICLES
    • 电动机空调系统
    • US20150321536A1
    • 2015-11-12
    • US14707285
    • 2015-05-08
    • Halla Visteon Climate Control Corp.
    • Hong Rae JungSe Won MinSang Jun Yoo
    • B60H1/22F24H9/18F24H3/04
    • B60H1/2218B60H2001/225B60H2001/2265F24H3/0429F24H9/1872
    • An air conditioning system for motor vehicles includes a blower configured to blow an air into a vehicle room, a PTC heater configured to heat the air blown into the vehicle room, the PTC heater having a heat generation amount adjusted by PWM duty ratio control, a blower air volume change amount measurement unit configured to, when an air volume of the blower is changed, measure a blower air volume change amount per unit time during a predetermined time period from a time point at which the air volume of the blower is changed, and a control unit configured to, when the air volume of the blower is changed, correct a PWM duty ratio of the PTC heater in view of the blower air volume change amount per unit time measured by the blower air volume change amount measurement unit.
    • 一种用于机动车辆的空调系统,包括:吹风机,其构造为将空气吹入车室; PTC加热器,被配置为加热吹入车室的空气,所述PTC加热器具有通过PWM占空比控制调节的发热量; 鼓风机风量变化量测量单元,其被配置为当风机的风量改变时,在从鼓风机的风量改变的时间点起的预定时间段内,测量每单位时间的鼓风机风量变化量, 以及控制单元,被配置为当风扇的风量改变时,考虑到由鼓风机风量变化量测量单元测量的每单位时间的鼓风机风量变化量来校正PTC加热器的PWM占空比。
    • 10. 发明授权
    • Hybrid heater assembly
    • 混合加热器总成
    • US08993936B2
    • 2015-03-31
    • US13692040
    • 2012-12-03
    • General Electric Company
    • Robert Jules Lafleur
    • H05B1/02F24D13/00
    • F24D13/00F24H9/1872F24H9/2071
    • A heater assembly includes one or more first heating elements, the one or more first heating elements being characterized by a positive temperature coefficient; and one or more second heating elements, the one or more second heating elements comprising resistance wire elements. The one or more second heating elements are positioned in proximity to the one or more first heating elements such that at least one of the one or more second heating elements is configured to, upon being powered on, pre-heat at least one of the one or more first heating elements before the at least one first heating element is powered on.
    • 加热器组件包括一个或多个第一加热元件,所述一个或多个第一加热元件的特征在于正温度系数; 和一个或多个第二加热元件,所述一个或多个第二加热元件包括电阻丝元件。 所述一个或多个第二加热元件被定位成接近所述一个或多个第一加热元件,使得所述一个或多个第二加热元件中的至少一个构造成在通电时预热所述第一加热元件中的至少一个 或更多的第一加热元件,在所述至少一个第一加热元件通电之前。