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公开(公告)号：US10738905B2
公开(公告)日：2020-08-11
申请号：US16082664
申请日：2017-01-24
Applicant: SATAKE CORPORATION , MECHANO TRANSFORMER CORPORATION
Inventor： Takafumi Ito , Hironori Arii , Tadashi Matsushita , Sze Keat Chee , Takeshi Yano , Toshiro Higuchi
Abstract: A piezoelectric valve, having superior responsiveness during valve opening and capability to stabilize gas supply at an early stage, includes a gas pressure chamber receiving compressed gas and an exhaust path discharging the compressed gas from the gas pressure chamber; a valve disc placed in the gas pressure chamber to open and close the exhaust path; a piezoelectric element generating a driving force for operation of the valve disc, as a displacement; a displacement magnifying mechanism magnifying the displacement of the piezoelectric element and applying the magnified displacement to the valve disc; and driving means including a signal generator generating a signal including a first prepulse, a second prepulse, and a main pulse, applies a drive voltage to the piezoelectric element using the signal generated by the signal generator, as an input signal to a drive circuit, and drives and opens the valve disc by expanding the piezoelectric element.
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2.发明申请PIEZOELECTRIC VALVE, AND OPTICAL GRANULATED SUBSTANCE SORTER EQUIPPED WITH AIR-BLOWING MEANS THAT USES THIS PIEZOELECTRIC VALVE 有权压电阀，以及配备使用该压电阀的空气吹扫装置的光学粒状物质分配器公开(公告)号：US20140339141A1
公开(公告)日：2014-11-20
申请号：US14364673
申请日：2012-11-29
Inventor： Takafumi Ito , Sze Keat Chee , Takeshi Yano , Takeshi Kamima , Toshitada Hirata , Toshiro Higuchi
CPC classification number: F16K31/02 , B07B11/00 , B07C5/3425 , B07C5/366 , B07C2501/009 , F16K31/004
Abstract: A piezoelectric valve whose assembly work can be efficiently performed. A piezoelectric valve according to this invention includes a valve main body having a gas pressure chamber which receives compressed gas supplied from the outside, a plate which is disposed inside the valve main body and is fixed to the valve main body, and actuators each of which has a valve element, a piezoelectric element generating, in the form of a displacement, driving force required for operation of the valve element, and a displacement magnification mechanism for magnifying a displacement of the piezoelectric element and causing the magnified displacement to act on the valve element, are fixed to each of two surfaces of the plate, and are disposed inside the valve main body together with the plate.
Abstract translation: 可以有效地进行组装工作的压电阀。 根据本发明的压电阀包括阀主体，其具有接收从外部供应的压缩气体的气体压力室，设置在阀主体内并固定到阀主体的板，以及各自的致动器 具有阀元件，形成位移形式的压电元件，用于操作阀元件所需的驱动力;以及位移放大机构，用于放大压电元件的位移并使放大位移作用于阀 元件固定在板的两个表面中的每一个上，并且与板一起设置在阀主体的内部。
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公开(公告)号：USD758453S1
公开(公告)日：2016-06-07
申请号：US29527219
申请日：2015-05-17
Designer： Takafumi Ito , Yoshinori Kawawa , Toshitada Hirata , Sze Keat Chee , Toshiro Higuchi
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4.发明授权公开(公告)号：US09114430B2
公开(公告)日：2015-08-25
申请号：US14395475
申请日：2013-04-16
Applicant: SATAKE CORPORATION , MECHANO TRANSFORMER CORPORATION
Inventor： Takafumi Ito , Teruhiko Takeuchi , Tadashi Matsushita , Sze Keat Chee , Takeshi Yano , Takeshi Kamima , Toshiro Higuchi
CPC classification number: B07B11/02 , B07B4/00 , B07B11/04 , F16K31/004 , F16K31/007
Abstract: A piezoelectric valve stably supplies gas even for a long gas ejection time, with a high responsivity to opening the valve, is provided. The piezoelectric valve, including a gas-pressure-chamber for receiving a compressed gas supplied from outside, a gas-discharge-channel through which the compressed gas is discharged from the gas-pressure-chamber, comprises: a valve body disposed in the gas-pressure-chamber and opens/closes the gas-discharge-channel; a piezoelectric element for producing a driving force to move the valve body as a displacement; a displacement-enlarging-mechanism for enlarging the displacement of the piezoelectric element to act on the valve body; and a driving unit having a signal-generating-unit for generating a signal comprising a pre-pulse and a main pulse and provides the signal generated by the signal-generating-unit to a driving circuit as an input signal to apply a driving voltage to the piezoelectric element to make the piezoelectric element expand and drive the valve body open.
Abstract translation: 提供了一种稳定地提供气体的气体，即使长时间的气体喷射时间也具有高的打开阀的响应性。 压电阀包括：用于接收从外部供应的压缩气体的气体压力室，压缩气体从气体压力室排出的气体放电通道，包括：设置在气体中的阀体 压力室，打开/关闭气体放电通道; 压电元件，用于产生作为位移移动阀体的驱动力; 用于扩大压电元件作用在阀体上的位移的位移扩大机构; 以及驱动单元，具有用于产生包括预脉冲和主脉冲的信号的信号产生单元，并且将由信号发生单元生成的信号提供给驱动电路作为输入信号，以将驱动电压施加到 使压电元件膨胀并驱动阀体打开的压电元件。
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公开(公告)号：US09816638B2
公开(公告)日：2017-11-14
申请号：US15112544
申请日：2014-11-17
Applicant: Satake Corporation , Mechano Transformer Corporation
Inventor： Takafumi Ito , Yoichi Kawamura , Tadashi Matsushita , Sze Keat Chee , Toshitada Hirata , Yoshinori Kawawa
CPC classification number: F16K27/12 , F15B13/0814 , F15B13/0821 , F15B13/0825 , F15B13/0839 , F16K27/00 , F16K27/003 , F16K27/0263 , F16K31/004
Abstract: A protruding section formed at the one side end of a connector section provided in a valve is inserted into a recessed section formed as part of a valve placement section of a fluid apparatus. The valve is caused to pivot with the inserted portion that serves as a supporting point, and an engaging section formed at the front end of a lever of a hook section formed at the other side end of the connector section is allowed to engage with an engaging protruding section formed as part of the valve placement section of the fluid apparatus. The valve is thus attached to the fluid apparatus.
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Patent Agency Ranking
6.发明授权Piezoelectric valve, and optical granulated substance sorter equipped with air-blowing means that uses this piezoelectric valve 有权压电阀和配备有使用该压电阀的吹风装置的光学粒状物质分选机公开(公告)号：US09097359B2
公开(公告)日：2015-08-04
申请号：US14364673
申请日：2012-11-29
Inventor： Takafumi Ito , Sze Keat Chee , Takeshi Yano , Takeshi Kamima , Toshitada Hirata , Toshiro Higuchi
CPC classification number: F16K31/02 , B07B11/00 , B07C5/3425 , B07C5/366 , B07C2501/009 , F16K31/004
Abstract: A piezoelectric valve whose assembly work can be efficiently performed. A piezoelectric valve according to this invention includes a valve main body having a gas pressure chamber which receives compressed gas supplied from the outside, a plate which is disposed inside the valve main body and is fixed to the valve main body, and actuators each of which has a valve element, a piezoelectric element generating, in the form of a displacement, driving force required for operation of the valve element, and a displacement magnification mechanism for magnifying a displacement of the piezoelectric element and causing the magnified displacement to act on the valve element, are fixed to each of two surfaces of the plate, and are disposed inside the valve main body together with the plate.
Abstract translation: 可以有效地进行组装工作的压电阀。 根据本发明的压电阀包括阀主体，其具有接收从外部供应的压缩气体的气体压力室，设置在阀主体内并固定到阀主体的板，以及各自的致动器 具有阀元件，形成位移形式的压电元件，用于操作阀元件所需的驱动力;以及位移放大机构，用于放大压电元件的位移并使放大位移作用于阀 元件固定在板的两个表面中的每一个上，并且与板一起设置在阀主体的内部。
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7.发明授权公开(公告)号：US11982368B2
公开(公告)日：2024-05-14
申请号：US17615653
申请日：2020-03-06
Applicant: SATAKE CORPORATION , MECHANO TRANSFORMER CORPORATION
Inventor： Takafumi Ito , Tadashi Matsushita , Toshiro Higuchi , Sze Keat Chee , Kunio Ebihara , Toshitada Hirata
CPC classification number: F16K31/007 , F16K31/003 , F16K31/004 , H02N2/043 , H10N30/20
Abstract: Provided is a piezoelectric actuator that can reduce a risk of air leakage due to weakening of pressing force of a valve element against a valve seat surface and airtightness. The piezoelectric actuator is used for a piezoelectric valve that opens and closes a valve utilizing displacement of a laminated piezoelectric element. The piezoelectric actuator includes: a valve element; a laminated piezoelectric element that generates a driving force, required for operation of the valve element, as a displacement; and a displacement enlargement mechanism that enlarges a displacement of a laminated piezoelectric element and causes the enlarged displacement to act on the valve element. In the piezoelectric actuator, a surface of the valve element to be in contact with a valve seat of the piezoelectric valve is made flat and smooth in a state in which a tensile load is applied to the laminated piezoelectric element.
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公开(公告)号：US11808373B2
公开(公告)日：2023-11-07
申请号：US17622620
申请日：2020-02-28
Applicant: SATAKE CORPORATION , MECHANO TRANSFORMER CORPORATION
Inventor： Takafumi Ito , Tadashi Matsushita , Toshiro Higuchi , Sze Keat Chee , Yoshinobu Mizuno , Toshitada Hirata
CPC classification number: F16K31/008 , F16K1/54 , F16K27/029 , F16K31/007 , F16K2200/50
Abstract: A piezoelectric valve includes: a valve main part including a gas pressure chamber receiving compressed gas supplied from outside; a plate inside the valve main part, and an actuator fixed to the plate and inside the valve main part, which is a case with an opening on a front surface. The plate includes a gas discharge path and a valve seat coming into contact with a valve element of the actuator opening and closing the gas discharge path. A lid member that closes the opening of the case has a gas discharge opening communicating with the gas discharge path of the plate; is welded and fixed to a front surface of the plate, where the gas discharge path opens, on an annular welded part surrounding the gas discharge opening; and is welded and fixed to an end surface of the case on an annular welded part on the outer peripheral part.
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公开(公告)号：US20160334028A1
公开(公告)日：2016-11-17
申请号：US15112544
申请日：2014-11-17
Applicant: SATAKE CORPORATION , MECHANO TRANSFORMER CORPORATION
Inventor： Takafumi Ito , Yoichi Kawamura , Tadashi Matsushita , Sze Keat Chee , Toshitada Hirata , Yoshinori Kawawa
CPC classification number: F16K27/12 , F15B13/0814 , F15B13/0821 , F15B13/0825 , F15B13/0839 , F16K27/00 , F16K27/003 , F16K27/0263 , F16K31/004
Abstract: A protruding section formed at the one side end of a connector section provided in a valve is inserted into a recessed section formed as part of a valve placement section of a fluid apparatus. The valve is caused to pivot with the inserted portion that serves as a supporting point, and an engaging section formed at the front end of a lever of a hook section formed at the other side end of the connector section is allowed to engage with an engaging protruding section formed as part of the valve placement section of the fluid apparatus. The valve is thus attached to the fluid apparatus.
Abstract translation: 形成在设置在阀中的连接器部分的一侧端处的突出部分被插入形成为流体装置的阀布置部分的一部分的凹部中。 使阀与作为支撑点的插入部枢转，并且形成在形成在连接器部的另一侧的钩部的杠杆的前端处的接合部被允许与接合部 突出部形成为流体装置的阀安置部的一部分。 因此，阀附接到流体装置。
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10.发明授权公开(公告)号：US08833566B2
公开(公告)日：2014-09-16
申请号：US13907629
申请日：2013-05-31
Applicant: Satake Corporation , Mechano Transformer Corporation
Inventor： Takafumi Ito , Teruhiko Takeuchi , Takeshi Yano , Sze Keat Chee , Toshiro Higuchi
CPC classification number: B07C5/366 , B07B4/02 , B07C5/3422 , B07C5/3425 , B07C5/365 , F16K31/004 , Y10S209/938
Abstract: An optical granular material-sorting apparatus includes: a transfer means for transferring objects being sorted; an optical detection means for detecting, at a detection position, objects being sorted as they drop from an end of the transfer means; and a blasting means provided below the optical detection means and designed to blow away objects being sorted through blasting of air based on the result of detection by the optical detection means. The blasting means has a piezoelectric valve which is driven by a driving means to blast air based on the result of detection by the optical detection means. The driving means applies voltage to a piezoelectric element in multiple stages so as to suppress fluctuation in the amount of gas ejected from a gas release channel when the valve opens.
Abstract translation: 光学粒状材料分选装置包括：转印装置，用于转印被分类的物体; 光检测装置，用于在检测位置检测从所述传送装置的端部落下的物体; 以及设置在所述光学检测装置的下方的喷射装置，其被设计成基于所述光学检测装置的检测结果来吹扫被喷射的空气分类的物体。 爆破装置具有压电阀，其由驱动装置驱动，以根据光检测装置的检测结果来鼓风。 驱动装置以多级对压电元件施加电压，以便抑制当阀打开时从气体释放通道喷出的气体量的波动。
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