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    • 1. 发明授权
    • Ultrasonic motor
    • 超声波电机
    • US5172023A
    • 1992-12-15
    • US771766
    • 1991-10-04
    • Yasuaki KawaiAkihiro TakeuchiKiyokazu Asai
    • Yasuaki KawaiAkihiro TakeuchiKiyokazu Asai
    • H01L41/09H02N2/16
    • H02N2/163
    • An ultrasonic motor which has a viration mode of progressive wave with a large vibrational amplitude of an elastic member and which provides a high torque, comprises: at least one vibrator including a disk-shaped elastic member having a driving force transmitting portion, disk-shaped piezoelectric ceramics attached to both surfaces of the elastic member and a plurality of projections provided on both sides of the driving force transmitting portion; and at least one rotor that is in press contact with the driving force transmitting portion of the vibrator. The thickness of the elastic member at a portion between the piezoelectric ceramics is substantially equal to the thickness thereof at the driving force transmitting portion.
    • 一种超声波马达,其具有弹性构件的振动幅度大的逐行波纹理模式,提供高扭矩的超声波马达包括:至少一个振动器,包括具有驱动力传递部分的盘形弹性构件,盘形 附着在弹性构件的两个表面上的压电陶瓷和设置在驱动力传递部两侧的多个突起; 以及与振动器的驱动力传递部压接的至少一个转子。 在压电陶瓷之间的部分处的弹性构件的厚度基本上等于驱动力传递部分的厚度。
    • 2. 发明授权
    • Ultrasonic wave generator
    • 超声波发生器
    • US4074152A
    • 1978-02-14
    • US620059
    • 1975-09-30
    • Kiyokazu AsaiAkihiro Takeuchi
    • Kiyokazu AsaiAkihiro Takeuchi
    • B06B1/06B06B3/00B08B7/02B08B9/02H01L41/04
    • B08B9/027B06B1/0618B06B3/00B08B7/028
    • An ultrasonic wave generator includes an ultrasonic oscillator, an ultrasonic wave transducer connected to the oscillator, a mechanical vibration amplifying member, and an ultrasonic vibratory member. An increased thickness portion, which projects from a portion of the circumferential surface of the ultrasonic vibratory member and from a side wall portion of the mechanical vibration amplifying member at a connecting portion of the ultrasonic vibratory member and the mechanical vibration amplifying member, is integrally formed upon the ultrasonic vibratory member and the mechanical vibration amplifying member whereby the cross-sectional area of the connecting portion between the ultrasonic vibratory member and mechanical vibration amplifying member is gradually changed. With this improvement, the mechanical strength of the connecting portion between the ultrasonic vibratory member and the mechanical vibration amplifying member is increased, the positive transmission of the ultrasonic waves from the mechanical vibration amplifying member to the ultrasonic vibratory member is insured, fatigue failure and cracking of the connecting portion is effectively prevented, and the ultrasonic waves are generated from the ultrasonic vibratory member in a stable manner for a long period of time.
    • 超声波发生器包括超声波振荡器,连接到振荡器的超声波振子,机械振动放大部件和超声波振动部件。 在超声波振动部件和机械振动放大部件的连接部分处,从超声波振动部件的圆周表面的一部分突出并且从机械振动放大部件的侧壁部分突出的增加的厚度部分被整体地形成 超声波振动部件与机械振动放大部件之间的超声波振动部件与机械振动放大部件的连接部的截面积逐渐变化。 通过这样的改进,超声波振动部件与机械振动放大部件之间的连接部分的机械强度增加,超声波从机械振动放大部件向超声波振动部件的正传输被保证,疲劳破坏和破裂 有效地防止了连接部分的超声波,并且从超声波振动部件以长期稳定的方式产生超声波。
    • 3. 发明授权
    • Liquid atomizing apparatus utilizing ultrasonic wave
    • 液体雾化装置利用超声波
    • US4019683A
    • 1977-04-26
    • US618235
    • 1975-09-30
    • Kiyokazu AsaiAkihiro Takeuchi
    • Kiyokazu AsaiAkihiro Takeuchi
    • B05B17/06B06B1/06F23D11/34F24F6/12
    • B05B17/0684B05B17/0623F23D11/345
    • A liquid atomizing apparatus includes an ultrasonic wave transducer connected to an ultrasonic wave oscillator for transforming an electrical oscillation into a mechanical vibration, and a mechanical vibration amplifying member has one end thereof integrally secured to one end of the ultrasonic wave transducer for amplifying the amplitude of the mechanical vibrations transmitted from the ultrasonic wave transducer. An ultrasonic vibratory member of a hollow cylindrical body, which has a predetermined wall thickness, has a portion of its outer circumferential surface integrally secured to the other end of the mechanical vibration amplifying member and a liquid supply means connected to a liquid source for supplying a liquid of a given amount to the circumferential surface of the ultrasonic vibratory member is also provided, the liquid being supplied to the circumferential surface of the ultrasonic vibratory member being atomized upon such circumferential surface of the ultrasonic vibratory member. The liquid atomizing apparatus is capable of atomizing a large amount of liquid upon the outer and/or inner circumferential surfaces of the vibratory member, and achieves a consistent and stable atomization of the liquid while maintaining the size of the atomized liquid particles, and the distribution of the particles, uniform.
    • 液体雾化装置包括连接到超声波振荡器的超声波振子,用于将电振荡转换为机械振动,机械振动放大部件的一端一体地固定在超声波换能器的一端,用于放大振幅 从超声波传感器传递的机械振动。 具有预定壁厚的中空圆筒体的超声波振动构件具有与机械振动放大构件的另一端一体地固定的外周面的一部分,以及连接到液体源的液体供给装置, 还提供给予超声波振动部件的周面的给定量的液体,供给超声波振动部件的周面的液体在超声波振动部件的周向表面被雾化。 液体雾化装置能够在振动构件的外周面和/或内周面上雾化大量的液体,并且在保持雾化液体颗粒的尺寸的同时实现液体的一致和稳定的雾化,并且分布 的颗粒,均匀。
    • 5. 发明授权
    • Piezoelectrically driven ultrasonic transducer
    • US4173725A
    • 1979-11-06
    • US884148
    • 1978-03-07
    • Kiyokazu AsaiAkihiro Takeuchi
    • Kiyokazu AsaiAkihiro Takeuchi
    • B06B1/06H01L41/10
    • B06B1/0618
    • An ultrasonic transducer comprising a first cylindrical member which includes a mechanical vibration amplifying part formed in symmetry around the axis thereof and having a gradually increased cross-sectional area toward a base portion thereof, the base portion having a flat surface perpendicular to the axis thereof, and an annular rigid part formed with the mechanical vibration amplifying part coaxially therewith, the annular rigid part being extended from the outer wall of the base portion axially and radially outwardly to have sufficient rigidity and weight, and the annular rigid part being provided, in the proximity of the outer wall of the base portion, with an annular groove or gap having a predetermined axial depth in order to reduce the diameter of the flat surface. The transducer further comprises a second cylindrical member which includes a backing block of a cylindrical body, a base portion of which is formed with a flange and a flat surface perpendicular to the axis thereof having the larger diameter than that of the flat surface of the first cylindrical member. An ultrasonic transducer portion is interposed between the flat surfaces of the first and second cylindrical members and comprises a pair of piezoelectric elements having flat surfaces perpendicular to the axis of the first and second surfaces, and an electrode plate interposed between the pair of piezoelectric elements. A fastening device pressingly abuts the flat surfaces of the piezoelectric elements against the flat surfaces of first and second cylindrical members and integrally clamps the annular rigid part and the flange of the second cylindrical member to each other in a manner to circumvent said annular groove or gap. The ultrasonic transducer prevents the flexural vibration of the flat surface of the first cylindrical member and prevents cracking of piezoelectric elements to ensure stabilized operations without transitional variations in electric impedance and resonance frequency and to allow continuous vibrating operations in large amplitude over a long period of time.
    • 6. 发明授权
    • Ultrasonic wave carburetor
    • 超声波化油器
    • US4106459A
    • 1978-08-15
    • US692349
    • 1976-06-03
    • Kiyokazu AsaiAkihiro Takeuchi
    • Kiyokazu AsaiAkihiro Takeuchi
    • F02M27/08
    • F02M27/08Y10S261/48
    • An ultrasonic wave carburetor includes an intake passage for admitting fresh air and supplying an air-fuel mixture therethrough, and a fuel supply device including a fuel reservoir, a venturi, and a nozzle one end of which is open into the venturi and the other end of which is communicated with the fuel reservoir. A fuel atomizing device, including an ultrasonic transducer connected to an ultrasonic wave oscillator for transforming an electrical oscillation into a mechanical vibration, a mechanical vibration amplifying member secured to the ultrasonic transducer for amplifying the mechanical vibration, and an ultrasonic vibratory member, having a hollow cylindrical body structure, secured to the amplifying portion, is positioned downstream of the venturi. With this structure, fuel supplied through the nozzle in the fuel supplying device is atomized on the peripheral surfaces of the ultrasonic vibratory member.
    • 超声波化油器包括用于允许新鲜空气并通过其供应空气 - 燃料混合物的进气通道,以及包括燃料储存器,文丘里管和喷嘴的燃料供给装置,其一端通向文丘里管,另一端 与油箱相通。 一种燃料雾化装置,包括连接到用于将电振荡转换为机械振动的超声波振荡器的超声波换能器,固定到用于放大机械振动的超声波换能器的机械振动放大部件,以及具有中空部的超声波振动部件 固定到放大部分的圆柱体结构位于文丘里管的下游。 利用该结构,通过燃料供给装置中的喷嘴供给的燃料在超声波振动部件的周面上被雾化。
    • 7. 发明授权
    • Ultrasonic wave fuel injection and supply device
    • 超声波燃油喷射供应装置
    • US4105004A
    • 1978-08-08
    • US738843
    • 1976-11-04
    • Kiyokazu AsaiAkihiro Takeuchi
    • Kiyokazu AsaiAkihiro Takeuchi
    • B05B17/06B06B1/02F02M27/08
    • F02M27/08B05B17/0623Y10S261/48
    • An ultrasonic wave fuel injection and supply device includes an ultrasonic wave generating device and a fuel injection nozzle device. The ultrasonic wave generating device in turn includes an ultrasonic transformer, for transforming electrical oscillations into mechanical vibrations, connected to an ultrasonic oscillator, a mechanical vibration amplifier, for amplifying the amplitude of the mechanical vibrations, secured to the ultrasonic transformer, and a vibratory member, having a hollow cylindrically shaped body the peripheral wall of which is secured to the tip of the mechanical vibration amplifier with the axis of the vibratory member being disposed substantially perpendicular to the longitudinal axis of the mechanical vibration amplifier. The vibratory member has its opposite ends open and is disposed within an intake passage of an engine, the same therefore not hindering the flow of fluid through the intake passage. The fuel injection nozzle has its nozzle opening directed toward the peripheral wall of the vibratory member for injecting liquid fuel under pressure onto the peripheral wall. A fuel supply device introduces liquid fuel from a fuel reservoir to the injection nozzle, and a control device controls the amount of fuel being injected through the injection nozzle in response to the running conditions of the internal combustion engine. The ultrasonic wave fuel injection and supply device thus atomizes and scatters the liquid fuel injected onto the peripheral wall of the vibratory member as a result of the ultrasonic vibrations thereof, and the atomized and scattered liquid fuel is supplied to the combustion chamber of an engine, together with air from an air cleaner.
    • 超声波燃料喷射供给装置包括超声波发生装置和燃料喷射喷嘴装置。 超声波发生装置又包括用于将电振荡变换为机械振动的超声波变换器,连接到超声波振荡器,机械振动放大器,用于放大固定到超声变压器的机械振动的振幅,以及振动部件 具有中空的圆柱形主体,其圆周壁被固定到机械振动放大器的末端,其中振动构件的轴线基本垂直于机械振动放大器的纵向轴线设置。 振动构件的相对端部敞开并且设置在发动机的进气通道内,因此不会妨碍流体通过进气通道的流动。 燃料喷射喷嘴具有朝向振动部件的周壁的喷嘴开口,用于在压力下将液体燃料喷射到周壁上。 燃料供给装置将来自燃料储存器的液体燃料引入喷射喷嘴,并且控制装置响应于内燃机的运行条件来控制通过喷嘴喷射的燃料量。 超声波燃料喷射供给装置由于其超声波振动而喷射到振动构件的周壁上的液体燃料雾化并散射,并且雾化和散射的液体燃料被供应到发动机的燃烧室, 以及来自空气净化器的空气。
    • 8. 发明授权
    • Knocking detecting device for internal combustion engines
    • 内燃机爆震检测装置
    • US4408479A
    • 1983-10-11
    • US345537
    • 1982-02-03
    • Kiyokazu AsaiYujiro OshimaAkihiro TakeuchiHiroharu Tokoro
    • Kiyokazu AsaiYujiro OshimaAkihiro TakeuchiHiroharu Tokoro
    • F02P5/152F02P5/153G01H17/00G01L23/22G01M15/00
    • G01L23/222
    • A knocking detecting device for an internal combustion engine including: a casing in the form of an annular member fastened substantially perpendicularly to an outer sidewall of the engine block; a support member made of a vibration-isolating material such as rubber or synthetic resin, and having one end fastened to the casing and the other end projecting a predetermined distance from the outer sidewall of the engine block to a position within a water chamber or a coolant water passage; a pressure-sensitive member including pressure-sensitive surfaces mounted on the projecting end of the support member, facing away from each other and extending perpendicularly to the outer sidewall of the engine block, for detecting as a change in an electrical signal pressure vibrations transmitted as a knocking sound to the pressure-sensitive surfaces through coolant water from the partition when knocking is produced in the combustion chamber; and lead wires for delivering the electrical signal change responsive to the knocking. This device enables effective detection of only the knocking produced in the combustion chamber as the pressure vibrations in the coolant water.
    • 一种用于内燃机的爆震检测装置,包括:壳体,其形式为基本上垂直于发动机缸体的外侧壁固定的环形构件; 由诸如橡胶或合成树脂的隔振材料制成的支撑构件,并且其一端紧固到壳体,另一端从发动机缸体的外侧壁凸出预定距离到位于水室内的位置 冷却水通道; 压敏构件,其包括安装在所述支撑构件的突出端上的压敏表面,所述压敏表面相对于彼此远离并垂直于所述发动机缸体的外侧壁延伸,用于检测作为传递的电信号压力振动的变化 在燃烧室中产生爆震时通过来自隔板的冷却剂水对压力敏感表面的敲击声; 以及用于响应于敲击传送电信号变化的导线。 该装置能够有效地检测在燃烧室中产生的爆震作为冷却水中的压力振动。