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    • 1. 发明授权
    • Road snow melting system using a surface heating element
    • 道路融雪系统采用表面加热元件
    • US5605418A
    • 1997-02-25
    • US123044
    • 1993-09-20
    • Koji WatanabeYoshinori Nagai
    • Koji WatanabeYoshinori Nagai
    • B61L29/00E01C11/26E04D13/10H05B3/20E02D19/14
    • E01C11/265E04D13/103
    • The object of the present invention is to avoid the difficulty of recruiting snow removal personnel by automatically melting snow that has accumulated on roads in areas having cold climates, and protect human life and secure the safety of vehicles and aircraft traveling on such roads and runways.The present invention is comprised of a heating unit wherein a surface heating element, in which an electrically conductive coating is applied onto a cloth, is positioned between metal plates such as aluminum plates above and below and wrapped in a tar-based moisture-proof sheet. Said heating unit is then embedded beneath the surface of road paving. After particularly carefully steam rolling the asphalt and concrete base layer in this case so that it is free of irregularities, the upper surface of said base layer is coated with a primer. After installing and wiring the above-mentioned heating unit on top of said primer-coated base layer, an additional coating of primer is applied followed by paving with a material having a high degree of thermal conductivity, such as an asphalt layer or concrete layer containing fine granules of blast furnace slag, to function as the surface material.
    • 本发明的目的是为了避免通过自动融化在寒冷气候地区的道路上积聚的雪而招募除雪人员的困难,并且保护人的生命并确保在这些道路和跑道上行驶的车辆和飞机的安全。 本发明包括一种加热单元,其中将导电涂层施加到布上的表面加热元件位于诸如铝板之间和之下的金属板之间并且包裹在焦油基防潮片中 。 然后将所述加热单元嵌入道路铺路表面。 在这种情况下特别小心地蒸汽滚动沥青和混凝土基层,使其没有凹凸,所述基层的上表面涂有底漆。 在将上述加热单元安装并布置在所述底漆涂覆的基层的顶部之后,施加另外的底漆涂层,然后用具有高导热性的材料(例如沥青层或混凝土层)铺路 高炉渣细粒,作为表面材料。
    • 9. 发明授权
    • Motor driving circuit and method for controlling a motorized roller
    • 电机驱动电路及电动滚筒控制方法
    • US07777440B2
    • 2010-08-17
    • US11490385
    • 2006-07-20
    • Yoshinori Nagai
    • Yoshinori Nagai
    • H02P7/00H02P7/29
    • H02H7/0858B65G39/02B65G43/02
    • A motorized roller incorporating a driving motor for driving the roller and accompanied with a motor driving circuit for driving the motor, including a lock detecting structure adapted to detect a lock of at least one of the driving motor and the motorized roller and a power control structure adapted to control electric power supplied to the driving motor, wherein the power control structure is adapted to reduce the electric power supplied to the driving motor upon detection of the lock of the at least one of the driving motor and motorized roller by the lock detecting structure.
    • 一种电动滚筒,其包括用于驱动滚子的驱动马达并伴随有用于驱动马达的马达驱动电路,包括适于检测驱动马达和电动滚筒中的至少一个的锁的锁定检测结构,以及功率控制结构 适于控制提供给所述驱动电动机的电力,其中所述动力控制结构适于通过所述锁定检测结构检测到所述驱动电动机和所述电动辊中的至少一个的锁定来减小供给到所述驱动电动机的电力 。
    • 10. 发明授权
    • Zone controlled conveyor system and a zone controller for use therein
    • 区域控制输送机系统和用于其中的区域控制器
    • US07542823B2
    • 2009-06-02
    • US10920599
    • 2004-08-16
    • Yoshinori Nagai
    • Yoshinori Nagai
    • G06F7/00B65G43/00B65G47/26B65G47/31B65G13/06
    • B65G47/261B65G43/10
    • The invention aims to provide a zone controlled conveyor system including a plurality of zones for control. A zone controlled conveyor system, while conveyance of any article from a zone to a downstream zone is forbidden, (a) starts operation of a driving roller in the zone at a first conveying speed slower than a prescribed standard conveying speed upon detection of a presence of an article from an immediately upstream zone of the zone, (b) operates the driving roller at a second conveying speed slower than the first conveying speed after arrival of the article at a predetermined position in the zone, and (c) halts operation of the driving roller upon detection of a presence of the article in the zone. Thereby, the system enables to stop articles at a target position accurately.
    • 本发明旨在提供一种区域控制输送系统,其包括多个用于控制的区域。 区域控制的输送机系统在禁止从区域到下游区域的任何物品的输送时,(a)在检测到存在时,以比规定的标准输送速度慢的第一输送速度开始区域中的驱动辊的操作 (b)在物品到达该区域的预定位置之后以比第一输送速度慢的第二输送速度操作驱动辊,(c)停止来自该区域的紧邻上游区域的物品的操作, 检测到该区域中的物品的存在的驱动辊。 因此,该系统能够准确地停止在目标位置处的物品。