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    • 12. 发明申请
    • Over voltage clamp
    • 过电压钳
    • US20070195566A1
    • 2007-08-23
    • US11361638
    • 2006-02-23
    • Henning NielsenJesper Petersen
    • Henning NielsenJesper Petersen
    • H02H7/125
    • H02M1/32H02M3/28H02M7/10H02M2001/009
    • A clamp circuit for use in a DC/DC voltage converter having a first converter output including a first node and a second node, and a second converter output including a third node a fourth node. The clamp circuit includes a positive voltage output node coupled to the first node, a negative voltage output node coupled to the fourth node, a neutral voltage output node, a first diode coupled between the positive voltage output node and the third node, a second diode coupled between the negative voltage output node and the second node, a first inductor coupled between the second diode and the neutral voltage output node, and a second inductor coupled between the first diode and the neutral voltage output node.
    • 一种用于具有包括第一节点和第二节点的第一转换器输出的DC / DC电压转换器的钳位电路,以及包括具有第四节点的第三节点的第二转换器输出。 钳位电路包括耦合到第一节点的正电压输出节点,耦合到第四节点的负电压输出节点,中性电压输出节点,耦合在正电压输出节点和第三节点之间的第一二极管,第二二极管 耦合在负电压输出节点和第二节点之间,耦合在第二二极管和中性点电压输出节点之间的第一电感器,以及耦合在第一二极管和中性点电压输出节点之间的第二电感器。
    • 13. 发明授权
    • Insulation of flat roofs and simultaneous construction of a gradient for
positive drainage of the roofing placed on the insulation
    • US5222337A
    • 1993-06-29
    • US668506
    • 1991-03-26
    • Bo ThomsenHenning Nielsen
    • Bo ThomsenHenning Nielsen
    • E04B7/22E04D13/16
    • E04B7/22E04D13/1693Y10S52/10
    • Insulation of flat roofs and simultaneous construction of a gradient for positive drainage of the roofing placed on the insulation, said gradient being perpendicular to the outer edges of the roof and running in two directions perpendicularly to one another, and where between the differently angled falls border lines are running from the corners of the roof towards the center line of the roof, said insulation comprising rectangular elements having an oblique surface corresponding to the gradient of the roof. In order to provide a roof insulation, by means of which and by use of only a few standardized element san insulation layer with a gradient may be obtained without any cutting during the laying out, said gradient either running from the middle of the roof and towards its edge or the other way round from the edge of the roof towards the middle to a drain, the insulation is characteristic in that the rectangular elements are arranged in rows parallel to the edges of the roofs in such a way that at the border lines where the lengths running perpendicular to one another meet, one of these rows adjoins these border lines with one of the highest corners of the elements, elements being arranged in another row running parallel to the first row, and that along the border line a number of rectangular, triangular adjusting elements are arranged in a jagged pattern on top of the elements, the hypotenuse of which runs along the border line and the two other sides of which are made of side faces in the shape of an acute triangle, the side edge opposite the acute angle having a length, which corresponds to the difference in thickness between the thicker and the thinner part of the rectangular element.
    • 14. 发明授权
    • Moulding chamber arrangement for a mould-string plant
    • 模具厂的成型室布置
    • US09205485B2
    • 2015-12-08
    • US13574074
    • 2011-01-25
    • Jørn JohansenRahlf Henning Nielsen
    • Jørn JohansenRahlf Henning Nielsen
    • B29C37/00B22C11/10B22C9/20
    • B22C11/10B22C9/20
    • Molding chamber arrangement (1) for a mold-string plant comprising a molding chamber (2) formed by a chamber bottom (3), a chamber ceiling (4) provided with one or more sand filling openings (22) communicating with a sand-feed system (14), two chamber side walls (5), a pressure plate (6) provided with an exchangeable pressure pattern plate having a pressure pattern (8) and being connected to a movement mechanism (9), a swingable plate (10) provided with an exchangeable swing pattern plate having a swing pattern (12) and being mounted for translational and swinging movement in order to open and close the molding chamber (2), allowing the pressure plate (6) to expel the produced molds, and further comprising means (13) for vertically moving the chamber ceiling (4) and sand-feed system (14) in unison, or the chamber bottom (3), or both, relative to the remainder of the molding chamber arrangement (1), thereby changing the height of the molding chamber. By this arrangement, the flexibility of the size of the produced molds, especially the heights of the produced molds, can be adjusted without changing the geometry of the sand feed system above the molding chamber in a time-saving manner.
    • 一种用于模具串装置的模制室装置(1),包括由室底部(3)形成的模制室(2),设置有一个或多个填砂开口(22)的室顶板(4) 进料系统(14),两个室侧壁(5),设置有具有压力图案(8)并且连接到移动机构(9)的可更换压力图案板的压板(6),可摆动板 )设置有具有摆动图案(12)的可更换摆动图案板,并且安装成用于平移和摆动运动以打开和关闭模制室(2),允许压板(6)排出所生产的模具,以及 还包括用于相对于所述成型室装置(1)的其余部分一体地垂直移动所述室顶板(4)和所述进料系统(14)或所述室底部(3)或两者的装置(13) 从而改变模制室的高度。 通过这种布置,可以调节所生产的模具的尺寸的灵活性,特别是生产的模具的高度,而不会以省时的方式改变模制室上方的砂进给系统的几何形状。
    • 16. 发明申请
    • Method and apparatus for providing uninterruptible power
    • 提供不间断电源的方法和装置
    • US20060043792A1
    • 2006-03-02
    • US10930692
    • 2004-08-31
    • Thomas HjortHenning Nielsen
    • Thomas HjortHenning Nielsen
    • H02J1/00
    • H02J9/062H02J2009/068Y10T307/615
    • Methods and apparatus for providing uninterruptible power are provided by aspects of the invention. One aspect is more particularly directed to an uninterruptible power supply for providing power to a load. The uninterruptible power supply includes an input to receive input power, an output to provide output power, a back-up power source coupled to the output to provide backup power at the output, a contactor coupled to the input and having an open state and a closed state, a contactor control circuit having an output coupled to the contactor to provide an output voltage to control an operational state of the contactor, the contactor control circuit being configured to provide an output voltage having a first voltage level to the contactor to control the contactor to switch from the open state to the closed state and to provide a second output voltage having a second voltage level to maintain the contactor in the closed state.
    • 提供不间断电源的方法和装置由本发明的方面提供。 更具体地涉及用于向负载提供电力的不间断电源。 不间断电源包括用于接收输入功率的输入,用于提供输出功率的输出,耦合到输出的备用电源以在输出端提供备用功率,耦合到输入并具有开路状态和 接触器控制电路,其具有耦合到所述接触器的输出端以提供输出电压以控制所述接触器的操作状态,所述接触器控制电路被配置为向所述接触器提供具有第一电压电平的输出电压以控制所述接触器 接触器从打开状态切换到关闭状态,并提供具有第二电压电平的第二输出电压,以将接触器保持在闭合状态。