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    • 54. 发明授权
    • Liquid jetting head, liquid jetting apparatus incorporating the same, method and apparatus for measuring natural vibration period of the same
    • 液体喷射头,包括其的液体喷射装置,用于测量其本身振动周期的方法和装置
    • US06811241B2
    • 2004-11-02
    • US10342334
    • 2003-01-15
    • Keisuke NiishidaSatoru HosonoTomoaki TakahashiRyoichi TanakaHirofumi Teramae
    • Keisuke NiishidaSatoru HosonoTomoaki TakahashiRyoichi TanakaHirofumi Teramae
    • B41J29393
    • B41J2/04581B41J2/04588B41J2/04595B41J2/125
    • A first evaluation signal includes a first excitation element adapted to excite pressure fluctuation in liquid contained in the pressure chamber and a first ejection element which follows the excitation element after a first time period to eject a first liquid droplet from the nozzle. A second evaluation signal includes a second excitation element adapted to excite pressure fluctuation in liquid contained in the pressure chamber and a second ejection element which follows the excitation element after a second time period to eject a second liquid droplet from the nozzle which is longer than the first time period. The first evaluation signal is supplied to the pressure generating element to measure a first ejected amount of the first liquid droplet. The second evaluation signal is supplied to the pressure generating element to measure a second ejected amount of the second liquid droplet. An ejected amount ratio of the first ejected amount and the second ejected amount is calculated. A natural vibration period of a liquid jetting head based on the ejected amount ratio.
    • 第一评估信号包括适于激发包含在压力室中的液体中的压力波动的第一激励元件和在第一时间段之后跟随激励元件从喷嘴喷射第一液滴的第一喷射元件。 第二评估信号包括适于激发包含在压力室中的液体中的压力波动的第二激励元件和在第二时间段之后跟随激励元件的第二喷射元件,以从喷嘴喷射比第二喷射元件长的喷嘴的第二液滴 第一时间段 第一评估信号被提供给压力发生元件以测量第一液滴的第一喷射量。 第二评估信号被提供给压力发生元件以测量第二液滴的第二喷射量。 计算第一喷射量和第二喷射量的喷射量比。 基于喷射量比的液体喷射头的固有振动周期。
    • 55. 发明授权
    • Liquid jetting apparatus
    • 液体喷射装置
    • US06742859B2
    • 2004-06-01
    • US10144766
    • 2002-05-15
    • Shuji YonekuboRyoichi Tanaka
    • Shuji YonekuboRyoichi Tanaka
    • B41J2165
    • B41J2/04596B41J2/04536B41J2/04553B41J2/04566B41J2/04573B41J2/04581B41J2/04588B41J2/04593B41J2/165B41J2/16526
    • The liquid jetting apparatus includes a head member having a nozzle, a supporting member that that can support a medium, a scanning mechanism that can cause the head member to relatively move with respect to the medium, and a liquid jetting unit that can jet liquid from the nozzle. An area storing unit stores a relative area to which liquid can be jetted from the nozzle while the head member is caused to relatively move by the scanning mechanism. An out-of-jetting micro-vibrating-area setting unit can set out-of-jetting micro-vibrating areas before and after the relative area. A micro-vibrating unit causes liquid in the nozzle to minutely vibrate. An out-of-jetting micro-vibrating controlling unit causes the micro-vibrating unit to operate when the head member is located in the out-of-jetting micro-vibrating areas, while the head member is caused to relatively move by the scanning mechanism, based on the out-of-jetting micro-vibrating areas and head-position information.
    • 液体喷射装置包括具有喷嘴的头部构件,能够支撑介质的支撑构件,能够使头部构件相对于介质相对移动的扫描机构,以及能够喷射液体的液体喷射单元 喷嘴。 区域存储单元在通过扫描机构使头构件相对移动的同时存储可从喷嘴喷射的液体的相对区域。 喷出的微振动区域设定单元可以在相对区域之前和之后设置喷射微振动区域。 微振动单元使喷嘴中的液体微振动。 喷射式微振动控制单元,当头部构件位于喷出的微振动区域内时,使微型振动单元动作,同时通过扫描机构使头部构件相对移动 基于喷出的微振动区域和头位置信息。
    • 56. 发明授权
    • Liquid jetting apparatus
    • 液体喷射装置
    • US06702420B2
    • 2004-03-09
    • US10286944
    • 2002-11-04
    • Ryoichi Tanaka
    • Ryoichi Tanaka
    • B41J29393
    • B41J2/04573B41J2/04581B41J2/04588
    • A plurality of forward pulse-waiting-times are respectively defined correspondingly to respective forward-timings that are defined correspondingly to a plurality of predetermined passage-positions while the head member is moved forward. A plurality of backward pulse-waiting-times are respectively defined correspondingly to respective backward-timings that are defined correspondingly to the plurality of predetermined passage-positions while the head member is moved backward. A forward jetting-driving signal includes a plurality of forward pulse-waves that respectively rise up or fall down when the respective forward pulse-waiting-times have passed since the respective forward-timings. A backward jetting-driving signal includes a plurality of backward pulse-waves that respectively rise up or fall down when the respective backward pulse-waiting-times have passed since the respective backward-timings. Each forward pulse-wave and each backward pulse-wave have the same waveform.
    • 分别对应于在头部构件向前移动时相应于多个预定通道位置定义的各个正向定时相应地定义多个正向脉冲等待时间。 分别对应于在头部构件向后移动时相应于多个预定通道位置定义的各个后退时间来定义多个反向脉冲等待时间。 正向喷射驱动信号包括从相应的正向定时经过各自的正向脉冲等待时间后分别上升或下降的多个正向脉冲波。 反向喷射驱动信号包括从各自的后退时间开始经过各个反向脉冲等待时间后分别上升或下降的多个反向脉冲波。 每个正向脉冲波和每个反向脉冲波具有相同的波形。
    • 57. 发明授权
    • Liquid jetting apparatus
    • 液体喷射装置
    • US06478395B2
    • 2002-11-12
    • US09725869
    • 2000-11-30
    • Ryoichi TanakaTomoaki Takahashi
    • Ryoichi TanakaTomoaki Takahashi
    • B41J2045
    • B41J2/04588B41J2/04581
    • A liquid jetting apparatus of the invention includes a pressure chamber having an inside space whose volume is changeable, into which a liquid is supplied and which is communicated with a nozzle. A Helmholtz resonance frequency of the pressure chamber has a period of TH. A signal-generating unit generates a driving signal, which includes a first signal-element for causing the pressure chamber to expand, a second signal-element for causing the pressure chamber to contract from an expanded state thereof in order to jet a drop of the liquid through the nozzle, and and a third signal-element for causing the pressure chamber to expand to an original state before outputting the first signal-element after the drop of the liquid is jetted. A pressure-generating unit causes the pressure chamber to expand and contract, based on the driving signal. An interval between a starting time of outputting the first signal-element and a starting time of outputting the second signal-element and an interval between a starting time of outputting the second signal-element and a starting time of outputting the third signal-element are set substantially equal to the period TH of the Helmholtz resonance frequency. A sum of an amplitude of the first signal-element and an amplitude of the third signal-element is set substantially equal to an amplitude of the second signal-element.
    • 本发明的液体喷射装置包括:具有体积可变的内部空间的压力室,供给液体并与喷嘴连通的压力室。 压力室的亥姆霍兹共振频率具有TH的周期。 信号发生单元生成驱动信号,该驱动信号包括用于使压力室膨胀的第一信号元件,用于使压力室从其膨胀状态收缩的第二信号元件,以便喷射一滴 液体通过喷嘴,以及第三信号元件,用于在喷射液体滴下之后,在输出第一信号元件之前使压力室膨胀至原始状态。 压力发生单元基于驱动信号使压力室膨胀和收缩。 输出第一信号元素的开始时间和输出第二信号元素的开始时间之间的间隔以及输出第二信号元素的开始时间与输出第三信号元素的开始时间之间的间隔是 基本上等于亥姆霍兹共振频率的周期TH。 所述第一信号元件的振幅和所述第三信号元件的幅度的和被设定为基本上等于所述第二信号元件的振幅。
    • 59. 发明授权
    • Small once-through boiler
    • 小型直通锅炉
    • US5791299A
    • 1998-08-11
    • US788544
    • 1997-01-24
    • Mamoru MatsuoRyoichi TanakaKazuhisa Mitani
    • Mamoru MatsuoRyoichi TanakaKazuhisa Mitani
    • F22B21/06F22B31/00F22B31/08F23L15/02F22B23/06F22B37/10
    • F23L15/02F22B21/065F22B31/08Y02E20/348
    • A small once-through boiler can avoid burning caused due to excessive heating of water pipes and burning around a fire hole of a burner in particular and heighten the heat load of a combustion chamber to further reduce the size of the system as compared with a prior art boiler. In the small once-through boiler, at least one regenerative burner system 20 is provided in a combustion chamber 1, the regenerative burner system 20 carrying out supply of combustion air A and exhaust of combustion gas E through a regenerator 22 and relatively changing flows of the combustion gas E and the combustion air A with respect to the regenerator 22 so as to supply the combustion air A via the regenerator 22 heated by heat of the combustion gas. Water pipe group 4 is provided apart from the combustion chamber wall surface 3 to form a passage 12 between the rear surface of the water pipe group 4 and the combustion chamber wall surface 3. Communicating openings 10 and 11 through which the combustion gas C passes are formed between adjacent water pipes at upper and lower ends of the water pipe group 4 so that a part of the combustion gas C can pass through the passage 12 provided at the rear of the water pipe group 4, whereby a part of the combustion gas C flows from the lower communicating openings 11 into the passage 12 to move upward and again flows from the upper communicating openings 10 into the combustion chamber 1.
    • 一个小的直通式锅炉可以避免由于水管的过度加热而引起的燃烧,特别是在燃烧器的火孔附近燃烧,并且与现有技术相比,增加燃烧室的热负荷以进一步减小系统的尺寸 艺术锅炉。 在小型直流锅炉中,在燃烧室1中设置至少一个蓄热式燃烧器系统20,再生燃烧器系统20通过再生器22进行燃烧空气A的供给和燃烧气体E的排出, 燃烧气体E和燃烧空气A相对于再生器22,以便经由由燃烧气体的热量加热的再生器22供给燃烧空气A. 水管组4与燃烧室壁面3隔开设置,在水管组4的后表面与燃烧室壁面3之间形成通路12.燃烧气体C通过的通气口10,11 形成在水管组4的上端和下端的相邻水管之间,使得一部分燃烧气体C可以穿过设置在水管组4后部的通道12,由此一部分燃烧气体C 从下连通开口11流入通道12中,从上连通开口10向上运动并进入燃烧室1。
    • 60. 发明授权
    • Flow switching apparatus, regenerative alternate combustion burner
system using the apparatus, and regenerative heat exchanger system
using the apparatus
    • 流量切换装置,使用该装置的再生式交替燃烧器系统和使用该装置的再生式热交换器系统
    • US5515909A
    • 1996-05-14
    • US373304
    • 1995-01-17
    • Ryoichi Tanaka
    • Ryoichi Tanaka
    • F16K11/052F16K11/074F23L15/02F28D17/04F28D19/00
    • F28D17/04F16K11/0525F16K11/074F23L15/02F28D19/00Y02E20/348Y10S165/909
    • A flow switching apparatus has a simple structure and enables a rapid flow switching operation between two systems of flow, e.g., flows in which two kinds of fluid each having a temperature different from each other flows without causing any gas leakage. The apparatus comprises: a casing 18 partitioned by partition walls 5, 6 and 7 into four chambers among which two are defined as fixing chambers 2a and 2b connected to flows of two systems in which the flow directions of fluid are fixed and the remaining two are defined as switching chambers 4c and 4d connected to two systems of flow in which the flow directions of fluid are alternately switched. Communicating holes 8ac 8bc 8ad and 8bd are formed in the partition wall 7 and communicate each of the fixing chambers 2a and 2b with the switching chambers 4c and 4d. A switching member 3 connects one fixing chamber 2a to one switching chamber 4d and the other fixing chamber 2b to the other switching chamber 4c by opening and closing the communicating holes 8ac, 8bc, 8ad and 8bd.
    • PCT No.PCT / JP93 / 01023 Sec。 371日期1995年1月17日 102(e)日期1995年1月17日PCT提交1993年7月22日PCT公布。 公开号WO94 / 02784 日期:1994年2月3日。流量切换装置具有简单的结构,能够在两个流动系统之间进行快速的流量切换操作,例如流体,其中各种温度彼此不同的两种流体不会产生任何气体 泄漏。 该装置包括:由分隔壁5,6和7分隔成四个室的壳体18,其中两个被定义为连接到流体的流动方向固定的两个系统的流动的固定室2a和2b,其余的两个 定义为连接到两个流动系统的开关室4c和4d,其中流体的流动方向交替地切换。 在分隔壁7上形成有通孔8ac 8bc 8ad和8bd,并使每个固定室2a和2b与开关室4c和4d连通。 开关构件3通过打开和关闭连通孔8ac,8bc,8ad和8bd将一个固定室2a连接到一个开关室4d,另一个固定室2b连接到另一个开关室4c。