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    • 55. 发明授权
    • Positioning element with a piezo-ceramic body
    • 定位元件与压电陶瓷体
    • US4423347A
    • 1983-12-27
    • US328618
    • 1981-12-08
    • Peter KleinschmidtHans MeixnerValentin Magori
    • Peter KleinschmidtHans MeixnerValentin Magori
    • H01L41/09H02N2/00H02N2/06H01V7/00
    • H02N2/02
    • An electrically actuated positioning element system utilizes a positioning element formed of piezo-electrical bodies each formed of a plurality of lamellae having electrodes. The lamellae have a length substantially greater than their thickness and upon application of an electrical voltage with a field direction which promotes a polarization of the material of the lamellae, the body is shortened. The two bodies are connected to one another at one end by a cross arm and at the other end the one body end is active and free to move relative to the other body end such that a resultant relative motion occurring between the two body ends may be utilized. Preferably a connection is provided for absorbing a lateral thrust of the bodies. The two piezo-electrical bodies are each electrically connected to one another for reverse-phase operation such that one contracts while the other is in a lengthened condition and vice versa.
    • 电驱动的定位元件系统利用由压电体形成的定位元件,每个压电体由多个具有电极的片层形成。 薄片的长度显着大于其厚度,并且当施加具有促进薄片的材料的极化的场方向的电压时,主体被缩短。 两个主体在一端通过横臂彼此连接,而在另一端,一个主体端部是有效的并且相对于另一个主体端部自由移动,使得在两个主体端部之间产生的相应的相对运动可以是 利用。 优选地,提供用于吸收主体的横向推力的连接。 两个压电体各自彼此电连接以用于反相操作,使得一个压电电主体在另一个处于延长状态的同时收缩,反之亦然。
    • 57. 发明授权
    • Immersion heater
    • 浸入式加热器
    • US4230935A
    • 1980-10-28
    • US12053
    • 1979-02-13
    • Hans Meixner
    • Hans Meixner
    • F24H1/20H01C7/02H05B3/14H05B3/80H05B3/06
    • H01C7/022H05B3/141H05B3/80
    • An immersion heater is disclosed having a heating member with a small thickness and comprised of PTC thermistor material. The heating member has the same heat contact between each of its two major surfaces and the medium to be heated. A Curie temperature T.sub.C and a specific resistance .rho..sub.T.sbsb.C of the material are dimensioned such that with a given operating voltage U a temperature regulation for the range with the positive temperature coefficient of the material results. By use of the upper limit of the Curie temperature T.sub.C, extensive protection against fire can be obtained in the case of inappropriate handling of the immersion heater.
    • 公开了一种具有小厚度的加热构件并由PTC热敏电阻材料组成的浸没式加热器。 加热构件在其两个主表面和待加热介质中的每一个之间具有相同的热接触。 材料的居里温度TC和比电阻rho TC的尺寸被设定为使得在给定的工作电压U下,对材料的正温度系数的范围进行温度调节。 通过使用居里温度TC的上限,在浸没式加热器的不当处理的情况下可以获得广泛的防火保护。
    • 58. 发明授权
    • Heating device having an optimized heating element of PTC thermistor
material
    • 具有PTC热敏电阻材料的优化加热元件的加热装置
    • US4177375A
    • 1979-12-04
    • US946634
    • 1978-09-28
    • Hans Meixner
    • Hans Meixner
    • H05B3/14F27D11/02
    • H05B3/141
    • A heating device is disclosed having a disc-shaped heating element consisting of PTC thermistor material typically operated by a network voltage of 220 volts. The PTC thermistor material has a cut-off control property at a desired cut-off temperature so as to minimize further heat rises of the heating element above the cut-off temperature. In this fashion, the possibility of fire damage is reduced. The heating element has a specific heat output of greater than 50 watts per cm.sup.2 and the PTC thermistor material is selected to have a Curie temperature which is at least 50.degree. K. higher than the cut-off temperature. A heating body is provided to affect a substantially even dissipation of heat from two sides of the heating element.
    • 公开了一种加热装置,其具有由通常由220伏的网络电压操作的PTC热敏电阻材料组成的盘形加热元件。 PTC热敏电阻材料在所需的截止温度下具有截止控制性能,以便将加热元件的进一步热量上升最小化到截止温度以上。 以这种方式,减少火灾的可能性。 加热元件具有大于50瓦/厘米2的比热输出,并且PTC热敏电阻材料被选择为具有比截止温度高至少50°K的居里温度。 提供加热体以影响来自加热元件两侧的热量的实质上均匀的散热。