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    • 31. 发明授权
    • Apparatus for heat treating castings containing cores
    • 用于热处理含芯的铸件的设备
    • US5732762A
    • 1998-03-31
    • US612803
    • 1996-03-11
    • Hiroshi UsuiTamio Okamura
    • Hiroshi UsuiTamio Okamura
    • B22D29/00B22D30/00C21D9/00C21D9/08C22F1/04
    • B22D29/003C21D9/0056C21D9/0062C22F1/04C21D9/08
    • The apparatus comprises a rack containing a casting that includes a core, a heating chamber that includes a vibration structure for vibrating the rack and in a lower portion thereof a first sand discharge structure for discharging sand falling from the casting for removing casting sand and core sand adhering to the casting while heat treating the casting, and a cooling chamber that includes a water tank for immersing the rack containing the casting, an elevator structure for lowering the rack into the water tank and lifting the rack out of the water tank, an oscillation structure for oscillating the rack when the rack is in the water tank, and a second sand discharge structure for discharging sand falling onto a bottom of the water tank for washing off casting sand and core sand adhering to the casting ejected from the heating chamber while cooling the casting.
    • 该装置包括:容纳铸件的机架,包括芯部;加热室,包括用于使齿条振动的振动结构,下部具有第一排砂结构,用于排出从铸件中排出的砂,用于去除铸砂和芯砂 在对铸件进行热处理的同时对铸件进行粘附,以及冷却室,其包括用于浸入容纳铸件的齿条的水箱,用于将机架降低到水箱中并将架子从水箱中提出的升降机结构,振荡 用于在搁架位于水箱中时使架子摆动的结构,以及用于排出落入水箱底部的沙子的第二排砂结构,用于清洗附着在从加热室喷出的铸件的铸砂和芯砂,同时冷却 铸造。
    • 33. 发明授权
    • Air sealed turbine blades
    • 空气密封的涡轮叶片
    • US4732531A
    • 1988-03-22
    • US941067
    • 1986-12-12
    • Mitsuhiro MinodaShigeo InoueHiroshi UsuiHiroyuki Nouse
    • Mitsuhiro MinodaShigeo InoueHiroshi UsuiHiroyuki Nouse
    • F04D29/54F01D11/08F01D11/10F04D29/16F01D11/00
    • F01D11/10Y10S415/914
    • A gas turbine has a casing forming a fluid passage through which a primaryluid flows, and a rotor blade disposed in the fluid passage with a clearance between distal ends of the rotor blades and the casing. The casing has a plurality of spaced blow holes extending circumferentially thereof for communicating an external secondary fluid chamber with the clearance, the blow holes being formed at an incline with respect to the wall of the casing in such a manner that a secondary fluid discharged from the blow holes is imparted with a flow component that opposes a flow of the primary fluid leaking from the clearance. The amount of the secondary fluid discharged from the blow holes and the discharge pressure are controlled to hydromechanically vary the resistance which the secondary fluid offers to the primary fluid leakage flow, thereby making it possible to mimimize the leakage flow.
    • 燃气轮机具有形成初级流体流过的流体通道的壳体和设置在流体通道中的转子叶片,其中转子叶片的远端与壳体之间具有间隙。 壳体具有多个间隔开的气孔,其周向延伸,用于使外部次级流体室与间隙连通,吹气孔相对于壳体的壁以倾斜角形成,从而使得从 吹气孔被赋予与从间隙泄漏的初级流体的流动相对的流动部件。 控制从吹出孔排出的次级流体的量和排出压力,以液压力学地改变次级流体对初级流体泄漏流动的阻力,从而使得可以模拟泄漏流动。
    • 34. 发明授权
    • DC-DC converter
    • DC-DC转换器
    • US08416582B2
    • 2013-04-09
    • US12781238
    • 2010-05-17
    • Hiroshi Usui
    • Hiroshi Usui
    • H02M3/335
    • H02M3/3376H02M2001/0058Y02B70/1491
    • A DC-DC converter includes a plurality of switch elements connected in series between both ends of a DC power source, a series circuit of a primary winding of a transformer and a capacitor, connected between a connection point of the plurality of switch elements and an end of the DC power source, a rectifying-smoothing circuit to rectify and smooth a voltage generated by a secondary winding of the transformer into a DC voltage, and a controller to change a switching frequency of the plurality of switch elements according to a feedback signal generated from the DC voltage and alternately turn on/off the plurality of switch elements. The controller includes a nonlinear response unit 11a to nonlinearly change the switching frequency according to a feedback amount represented by the feedback signal.
    • DC-DC转换器包括串联连接在DC电源的两端之间的多个开关元件,变压器的初级绕组的串联电路和电容器,连接在多个开关元件的连接点和 直流电源的端部;整流平滑电路,用于对由变压器的次级绕组产生的电压进行整流和平滑化为直流电压;以及控制器,根据反馈信号来改变多个开关元件的开关频率 并且交替地接通/关闭多个开关元件。 控制器包括非线性响应单元11a,用于根据由反馈信号表示的反馈量非线性地改变开关频率。
    • 38. 发明申请
    • Resonant DC-DC converter of multi-output type
    • 多输出型谐振DC-DC转换器
    • US20060170288A1
    • 2006-08-03
    • US11339967
    • 2006-01-25
    • Hiroshi Usui
    • Hiroshi Usui
    • H02J3/00
    • H02M3/337H02M3/33523Y02B70/1433Y10T307/297
    • A DC-DC converter of multi-output type is provided wherein first and second MOS-FETs 1 and 2 are alternately turned on and off to take a plurality of DC outputs out of a plurality of secondary windings 4b, 4c and 4d of a transformer 4 through related rectifying smoothers 12, 22 and 32. A first DC output from first secondary winding 4b is controlled by adjusting a duty ratio of first and second MOS-FETs 1 and 2. At least one magnetic amplifier 21, 31 is connected in series between each of second or more secondary windings 4c and 4d and related rectifying smoother 22 and 32 to adjust reset current to the magnetic amplifier 21, 31, thereby generating stabilized DC-outputs VO2 and VO3 from the second or more secondary windings 4c, 4d.
    • 提供一种多输出型的DC-DC转换器,其中第一和第二MOS-FET1和2交替地导通和截止以从多个次级绕组4b,4c和4d中取出多个DC输出 的变压器4通过相关的整流平滑器12,22和32。 通过调整第一和第二MOS-FET1和2的占空比来控制来自第一次级绕组4b的第一DC输出。 至少一个磁放大器21,31串联连接在第二或更多次级绕组4c和4d中的每一个和相关的整流平滑器22和32之间以调整到磁放大器21,31的复位电流,从而产生稳定的DC输出 V 2 O 2和V O 3 3从第二或更多次级绕组4c,4d。
    • 39. 发明申请
    • DC-DC converter of multi-output type
    • 多输出型DC-DC转换器
    • US20060158908A1
    • 2006-07-20
    • US11330811
    • 2006-01-12
    • Hiroshi Usui
    • Hiroshi Usui
    • H02J1/00H02M3/00
    • H02M3/33561H02M2001/008
    • A DC-DC converter of multi-output type is provided wherein a primary winding 5a is wound around core halves 5g, 5h of a transformer 5 between first and second secondary windings 5b, 5c of transformer 5 also concentrically wound around core halves 5g, 5h to form an electromagnetic sparse coupling between first and second secondary windings 5b, 5c. When on-off operation of first and second primary MOS-FETs 2, 3 generates first and second DC outputs VO1, VO2, the electromagnetic sparse coupling can reduce, attenuate or relax serge voltage induced on first secondary winding 5b. This restrains or controls potential increase in first output voltage VO1 resulted from serge voltage through first rectifying smoother 9 under the light- or no-load condition to control fluctuation in second output voltage VO2 through second rectifying smoother 17 without restricting transmission of electric power from the primary to the secondary side making use of feedback control to primary control circuit 14 in order to generate stable first and second DC output voltages VO1 and VO2 throughout the entire loaded and unloaded range.
    • 提供了一种多输出型的DC-DC转换器,其中初级绕组5a被缠绕在磁芯半部5g上,变压器5的5h在变压器5的第一和第二次级绕组5b,5c之间也同心地缠绕 芯半部5g,5h,以形成第一和第二次级绕组5b,5c之间的电磁稀疏耦合。 当第一和第二主要MOS场效应晶体管2,3的开关操作产生第一和第二直流输出V O1,V O2时,电磁稀疏耦合可以减小,衰减 或放松在第一次级绕组5b上感应的钳位电压。 这抑制或控制在光或无负载条件下通过第一整流平滑器9的脉冲电压产生的第一输出电压V O1 的潜在增加,以控制第二输出电压V O2的波动, / SUB>通过第二整流平滑器17,而不是通过使用对主控制电路14的反馈控制来限制从初级到次级侧的电力传输,以便产生稳定的第一和第二DC输出电压V O1