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    • 43. 发明授权
    • Method of producing a curved groove in a workpiece
    • 在工件中产生弯曲槽的方法
    • US5642970A
    • 1997-07-01
    • US638483
    • 1996-04-26
    • Yukio YamaguchiMasaaki EnyaTakahiro YamazakiTatsuo Miura
    • Yukio YamaguchiMasaaki EnyaTakahiro YamazakiTatsuo Miura
    • B23C3/32B23C3/34F04C18/02B23C3/00B23P15/00
    • B23C3/34F04C18/0284F04C2230/10Y10T29/4924Y10T409/303808
    • A method of producing, in a workpiece such as a spiral member of a scroll element, a curved groove for receiving a mechanical seal by using a milling cutter, especially, an end mill. A relative feed in a given direction "A" is provided between the milling cutter and the work, and the milling cutter rotating in a predetermined direction "B" about an axis of rotation thereof is set so that the milling cutter provides an inner side wall of the curved groove with respect to a center of curvature of the curved groove with an up milling in which the direction "B" is directed against the direction "A", and that the milling cutter provides an outer side wall of the curved groove confronting the inner side wall with a down milling in which the direction "B" is directed toward the direction "A", in order to suppress formation of coarse and rough surface on both the inner and outer side wall of the curved groove. Thus, the width of the curved groove can be constantly accurate over an entire length of the groove.
    • 在诸如涡旋元件的螺旋构件的工件中,通过使用铣刀特别是立铣刀来产生用于接收机械密封的弯曲槽的方法。 在铣刀和工件之间提供给定方向“A”的相对进给,并且围绕其旋转轴线沿预定方向“B”旋转的铣刀被设定为使得铣刀提供内侧壁 相对于弯曲凹槽的曲率中心的曲线槽的上铣削,其中方向“B”指向方向“A”,并且铣刀提供面对的弯曲凹槽的外侧壁 为了抑制在曲线槽的内侧壁和外侧壁上形成粗糙粗糙的表面,具有向下铣削的内侧壁,其中方向“B”朝向方向“A”。 因此,弯曲槽的宽度可以在凹槽的整个长度上恒定地精确。
    • 46. 发明授权
    • Object detecting switch device
    • 物体检测开关装置
    • US5177711A
    • 1993-01-05
    • US685801
    • 1991-04-16
    • Yukio YamaguchiAtsushi KawanoHideyuki SuzakiHiroshi Shimamoto
    • Yukio YamaguchiAtsushi KawanoHideyuki SuzakiHiroshi Shimamoto
    • G01S15/04G01S15/18
    • G01S15/18G01S15/04Y10S367/901Y10S367/903
    • This switch device for detecting an object comprises a transducer for emitting and receiving ultrasonic signals to and from an object, a transmitter for driving the transducer, a receiver for receiving a signal from the transducer, a gate for detecting a short-distant object, a gate for detecting a long-distant object, and a circuit for setting the timings of the gates in accordance with the detecting ranges of the object.Another switch device is disclosed for detecting an object which comprises a transducer for emitting and receiving ultrasonic signals to and from an object, a transmitter for driving the transducer, a receiver for receiving a signal from the transducer, a suppression gate for preventing detection of a reflected ultrasonic pulse during the transducer residual vibration period, a detectable distance gate for determining the range of detectable distances, an amplitude comparator for preventing detection of reflected ultrasonic pulses having an amplitude below a threshold value, and a plurality of window pulses for enabling detection of a reflected ultrasonic pulses at various distances.
    • 用于检测物体的开关装置包括用于向物体发射和接收超声波信号的换能器,用于驱动换能器的发射器,用于从换能器接收信号的接收器,用于检测短距离物体的门, 用于检测远距离物体的门,以及用于根据物体的检测范围来设定门的定时的电路。 公开了用于检测物体的另一开关装置,其包括用于向物体发射和接收超声波信号的换能器,用于驱动换能器的发射器,用于接收来自换能器的信号的接收器,用于防止检测到 在换能器残余振动周期期间反射的超声波脉冲,用于确定可检测距离的范围的可检测距离门,用于防止检测具有低于阈值的振幅的反射超声波脉冲的振幅比较器,以及多个窗口脉冲, 在不同距离的反射超声波脉冲。
    • 47. 发明授权
    • Self-closing gas pipes and pipe joints
    • 自闭式气管和管接头
    • US4267853A
    • 1981-05-19
    • US877566
    • 1978-02-13
    • Yukio YamaguchiKenji IshiharaKikuo Yonekura
    • Yukio YamaguchiKenji IshiharaKikuo Yonekura
    • F16K17/38C01B31/04
    • F16K17/383Y10T137/1624Y10T137/1963
    • A gas pipe including a tube of expansible material defining a passage for gas and capable of expansion, when heated, to close the passage upon carbonization. The tube is surrounded by a cylindrical noninflammable member.A joint for connecting gas pipes which includes a tube of expansible material contained in a metallic tubular member and defining a passage for gas. The tube is capable of expansion, when heated, to close the passage upon carbonization.A method of manufacturing thermally expansible rubber tube for the gas pipe and the gas pipe joint. About 2 to 30 parts by weight of oxidized, thermally expansible graphite powder is mixed with 100 parts by weight of raw rubber, and a predetermined quantity of a curing agent and a cure accelerator are added to the rubber and graphite mixture, followed by its formation into a tubular shape.
    • 一种气体管道,其包括可膨胀材料管,其限定用于气体的通道,并且当被加热时能够膨胀以在碳化时闭合通道。 该管被一个圆柱形的不可燃物体包围。 用于连接气体管道的接头,其包括容纳在金属管状构件中并限定气体通道的可膨胀材料管。 当加热时,管能够膨胀,以在碳化时封闭通道。 一种制造用于气体管道和气体管接头的热膨胀性橡胶管的方法。 将约2〜30重量份氧化的,可膨胀石墨粉末与100重量份生橡胶混合,并将预定量的固化剂和固化促进剂加入到橡胶和石墨混合物中,随后形成 成为管状。
    • 49. 发明申请
    • Heat Exchanger and Heat Pump Using Same
    • 换热器和热泵使用相同
    • US20130111945A1
    • 2013-05-09
    • US13701295
    • 2011-05-30
    • Naotaka IwasawaYukio YamaguchiHirotaka Kado
    • Naotaka IwasawaYukio YamaguchiHirotaka Kado
    • F25B39/02F28D1/053
    • F25B39/02F28D1/053F28F1/32
    • A heat exchanger having a plurality of heat-transfer tubes arrayed at intervals in vertical and anteroposterior directions and arranged so that an equilateral triangle is formed by lines connecting the centers of heat-transfer tubes located vertically and anteroposteriorly adjacent to each other; and a plurality of heat-transfer corrugated fins arranged at intervals in an axial direction of the heat-transfer tubes, characterized in that when an external diameter of each of the heat-transfer tubes is V1; a vertical pitch of the heat-transfer tubes is V2, a fin pitch of the heat-transfer corrugated fins is V3, a fin plate thickness of each of the heat-transfer corrugated fins is V4, and a corrugate height of the heat-transfer corrugated fins is V5, any one of V2, V3 and V5 is set within a given range.
    • 一种热交换器,具有多个沿垂直和前后方向间隔排列的传热管,并且布置成通过连接垂直和前后相邻的传热管的中心的线形成等边三角形; 以及沿传热管的轴向间隔设置的多个传热波纹状散热片,其特征在于,每个所述传热管的外径为V1; 传热管的垂直间距为V2,传热波纹状散热片的翅片间距为V3,各传热波纹状散热片的散热片厚度为V4,传热波纹高度为 波纹状散热片为V5,V2,V3,V5中的任意一个设定在规定范围内。