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    • 3. 发明授权
    • Power supply apparatus for electric discharge machine
    • 放电机电源装置
    • US5903067A
    • 1999-05-11
    • US993628
    • 1997-12-18
    • Seiji SatoHisashi Yamada
    • Seiji SatoHisashi Yamada
    • B23H1/02B23H7/04
    • B23H1/022Y10T307/747Y10T307/76
    • A power supply apparatus for an electric discharge machine comprises a first power supply device comprising a high impedance circuit connected in series to a DC power supply unit and a second power supply device comprising a low impedance circuit, intermittently applies a pulse voltage to a space between a tool electrode and a workpiece opposite to the tool electrode with a specified gap therebetween from the first power supply device, and also supplies a machining current to the space from the second power supply device after generation of electric discharge, in which the second power supply device provides therein a plurality units of switching devices connected in parallel to each other, the number of ON-units switching circuit for controlling the number of switching devices to be simultaneously turned ON, and an ON-time control unit for variably controlling ON-time of the switching devices.
    • 一种用于放电机的电源装置包括:第一电源装置,包括与DC电源单元串联连接的高阻抗电路和包括低阻抗电路的第二电源装置,间歇地将脉冲电压施加到 工具电极和与工具电极相对的工件,其间具有从第一电源装置之间的特定间隙,并且在产生放电之后还从第二电源装置向空间提供加工电流,其中第二电源 装置在其中提供并联连接的多个开关装置单元,用于控制同时导通的开关装置的数量的导通单元切换电路的数量,以及用于可变地控制接通时间的接通时间控制单元 的开关装置。
    • 5. 发明申请
    • MULTIBLADE CENTRIFUGAL FAN AND AIR CONDITIONER EQUIPPED WITH THE SAME
    • 多功能离心式风扇和空调设备配备
    • US20130092357A1
    • 2013-04-18
    • US13806003
    • 2011-10-20
    • Seiji SatoTsuyoshi EguchiAtusi Suzuki
    • Seiji SatoTsuyoshi EguchiAtusi Suzuki
    • F04D29/42F28F13/12
    • F04D29/4226F04D29/403F04D29/4233F04D29/441F04D29/661F05D2250/52F05D2260/96F24F1/0022F24F13/24F28F13/12
    • Provided are a low-noise, high-performance multiblade centrifugal fan that suppresses interference between rotational flows generated within extension sections that are extended in a rotation-axis direction at upper and lower end surfaces of a scroll casing, and an air conditioner equipped with the same. In a multiblade centrifugal fan having an impeller disposed in a rotatable manner about a rotation shaft within a scroll casing having a flow path whose cross section gradually increases in a rotational direction, at least one of upper and lower end surfaces of the scroll casing serves as an inclined end surface that is extended in the extending direction of the rotation shaft such that an extended height thereof gradually increases in the rotational direction from a scroll start position, and a stepped section extending in the rotational direction is provided between the inclined end surface and an inner-peripheral side surface of an extension section.
    • 提供一种低噪声,高性能的多叶片式离心风扇,其抑制在涡旋壳体的上端面和下端面上沿旋转轴线方向延伸的延伸部内产生的旋转流之间的干涉,以及装备有 相同。 在具有可旋转地设置在涡旋壳体内的旋转轴的叶片的多叶片离心式风扇中,所述涡旋壳体的横截面在旋转方向上逐渐增大,所述涡旋壳体的上端面和下端面中的至少一方作为 倾斜端面沿着旋转轴的延伸方向延伸,使得其延伸高度从涡旋开始位置沿旋转方向逐渐增大,并且在倾斜端面和 延伸部分的内周侧表面。