专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US11329576B2 Power generating element 有权
公开(公告)号：US11329576B2
公开(公告)日：2022-05-10
申请号：US15918691
申请日：2018-03-12
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro Okada , Miho Okada
IPC分类号： H02N2/18
摘要： A power generating element is provided that includes first and second plate-like structures, a pedestal that supports the first plate-like structure, and first and second piezoelectric elements that generate charges on the basis of the deflections of the two plate-like structures. A base end portion of the first plate-like structure is connected to the pedestal, and a direction from the base end portion toward the tip end portion of the first plate-like structure is a Y-axis positive direction. A base end portion of the second plate-like structure is connected to the tip end portion of the first plate-like structure via a connection body, and a direction from the base end portion toward the tip end portion of the second plate-like structure is a Y-axis negative direction. A frequency band of a half-value width of a resonance system formed on the basis of the flexibility of the second plate-like structure at least partially overlaps a frequency band of a half-value width of a resonance system formed on the basis of the flexibility of the first plate-like structure.

2. 发明申请

US20220107231A1 TORQUE SENSOR 有权
公开(公告)号：US20220107231A1
公开(公告)日：2022-04-07
申请号：US17402829
申请日：2021-08-16
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro OKADA , Miho OKADA
IPC分类号： G01L3/10 , G01L3/14
摘要： The present invention provides a torque sensor that is small and highly rigid and for which high production efficiency is possible. An annular deformation body (50) is disposed between a left side support body (10) and a right side support body (20). Protruding parts (11, 12) of the left side support body (10) are joined to two upper and lower sites on the left side surface of the annular deformation body (50), and protruding parts (21, 22) of the right side support body (20) are joined to two left and right sites on the right side surface of the annular deformation body (50). The annular deformation body (50) has, at four sites, detection parts (D1 to D4) that cause elastic deformation, the right side surface of each of the detection parts (D1 to D4) moves close to or moves away from the opposing surface of the right side support body (20) when torque around the Z axis is exerted on the left side support body (10) in a state that a load is applied to the right side support body (20). A displacement electrode is formed on a right side surface of each of the detection parts (D1 to D4) and a fixed electrode is formed on an opposing surface of the right side support body (20) to constitute four sets of capacitive elements, thereby detecting torque exerted as fluctuation in capacitance value thereof.

3. 发明授权

US11088637B2 Power generating element 有权
公开(公告)号：US11088637B2
公开(公告)日：2021-08-10
申请号：US16210479
申请日：2018-12-05
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro Okada , Satoshi Era , Miho Okada
IPC分类号： H02N2/18 , H01L41/113 , H01L41/053
摘要： The power generation efficiency is to be enhanced by converting vibration energy including various direction components into electric energy without waste. A cantilever structure is adopted, in which a first plate-like bridge portion (120) and a second plate-like bridge portion (130) extend in a shape of a letter U from a fixing-portion (110) fixed to the device housing (200) and a weight body (150) is connected to the end. On the upper surface of the cantilever structure, a common lower layer electrode (E00), a layered piezoelectric element (300) and discrete upper layer electrodes (Ex1 to Ez4) are formed. The upper layer electrodes (Ez1 to Ez4) disposed on a center line (Lx, Ly) of each plate-like bridge portion take out charge generated in the piezoelectric element (300) due to deflection caused by the Z-axis direction vibration of the weight body (150). The upper layer electrodes (Ex1 to Ex4, Ey1 to Ey4) disposed on both sides of the center line (Lx, Ly) of the plate-like bridge portion take out charge generated in the piezoelectric element (300) due to deflection caused by the X-axis or Y-axis direction vibration of the weight body (150).

4. 发明授权

US10284119B2 Power generating element 有权
公开(公告)号：US10284119B2
公开(公告)日：2019-05-07
申请号：US15285143
申请日：2016-10-04
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro Okada , Miho Okada
IPC分类号： H01L41/113 , H02N2/18
摘要： There is provided a power generating element which is capable of converting vibration energy in various directions into electric energy without waste and less likely to be damaged even upon application of excessive vibration. Made available is a main generating structure (MGS) in which a first layer (100), a second layer (200) and a third layer (300) are laminated. The second layer (200) has a plate-like bridge portion (210), a central plate-like portion (220), a left-hand side plate-like portion (230) and a right-hand side plate-like portion (240), each of which is flexible, and the third layer (300), that is a weight body, formed in the “U” letter shape is joined with the lower surface thereof. The plate-like bridge portion (210) is protected by the weight body (300) circumference thereof. The first layer (100) is structured so that a piezoelectric material layer (105) is laminated on an upper surface of a lower layer electrode (E0), and four localized upper layer electrodes (E1 to E4) are laminated on the upper surface thereof. The base end of the plate-like bridge portion (210) is fixed to a pedestal (400). Vibration of the weight body (300) is efficiently transmitted to the plate-like bridge portion (210) and the bridge portion piezoelectric layer (110), and a power generating circuit (500) outputs electric power on the basis of charge generated at the lower layer electrode (E0) and the upper layer electrodes (E1 to E4).

5. 发明申请

US20190094086A1 FORCE SENSOR 审中-公开
公开(公告)号：US20190094086A1
公开(公告)日：2019-03-28
申请号：US15926819
申请日：2018-03-20
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro OKADA , Satoshi ERA , Miho OKADA
IPC分类号： G01L1/14
摘要： The present invention is to provide a capacitive force sensor that is inexpensive but highly sensitive, and is hardly affected by temperature changes and in-phase noise in the use environment.A force sensor 100c includes: a deformable body 10 having a force receiving portion 14 and a fixed portion 15; a displacement body 20 that is connected to the deformable body 10, and is displaced by elastic deformation caused in the deformable body 10; and a detection circuit 40 that detects an applied force, in accordance with the displacement caused in the displacement body 20. The deformable body 10 includes a tilting portion 13 that has a longitudinal direction I and is disposed between the force receiving portion 14 and the fixed portion 15. The displacement body 20 includes displacement portions D1 and D2 that are connected to the tilting portion 13 and are displaced by tilting movement of the tilting portion 13. The detection circuit 40 includes capacitive elements C1 and C2 disposed at the displacement portions D1 and D2, and detects an applied force, in accordance with changes in the capacitance values of the capacitive elements C1 and C2.

6. 发明申请

US20180348074A1 TORQUE SENSOR 审中-公开
公开(公告)号：US20180348074A1
公开(公告)日：2018-12-06
申请号：US15761713
申请日：2016-07-20
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro OKADA , Miho OKADA
IPC分类号： G01L3/10 , G01L3/14
CPC分类号： G01L3/106 , G01L3/1442 , G01L5/226 , G01L25/003
摘要： A torque sensor according to the present invention includes: an annular deformation body; first and second displacement electrodes which cause displacement by elastic deformation of the annular deformation body; first and second fixed electrodes arranged at positions opposite to the first and second displacement electrodes; and a detection circuit that outputs an electric signal indicating a torque based on a variation amount of capacitance values of first and second capacitive elements each of which is configured of the displacement electrode and the fixed electrode. The annular deformation body includes a high elastic portion and a low elastic portion having a spring constant smaller than a spring constant of the high elastic portion. The detection circuit outputs a first electric signal corresponding to a capacitance value of the first capacitive element and a second electric signal corresponding to a capacitance value of the second capacitive element as an electric signal indicating the acting torque, and determines whether the torque sensor functions normally based on a ratio between the first electric signal and the second electric signal.

7. 发明申请

US20180209860A1 TORQUE SENSOR 审中-公开
公开(公告)号：US20180209860A1
公开(公告)日：2018-07-26
申请号：US15745979
申请日：2016-07-21
申请人： TRI-FORCE MANAGEMENT CORPORATION , DAI-ICHI SEIKO CO., LTD.
发明人： Kazuhiro Okada , Satoshi Era , Nobuhiro Nagamoto , Takahito Kamiudo , Kazuto Akiba
IPC分类号： G01L3/10
CPC分类号： G01L3/10 , G01L1/14 , G01L1/2231 , G01L3/106 , G01L3/14 , G01L3/1428 , G01L3/1435 , G01L3/1442 , G01L5/16 , G01L5/165
摘要： An inner support member, a detection deformable body, and a ring-shaped outer support member are disposed sequentially from the inside to the outside around a Z axis as a central axis. Inner surfaces in the vicinity of inner support points of the detection deformable body connect to outer surfaces of the inner support member via inner connecting members, and outer surfaces in the vicinity of outer support points of the detection deformable body connect to inner surfaces of the outer support member via outer connecting members. When a torque acts in the clockwise direction on the outer support member (130) while the inner support member is fixed, detection parts are displaced outwardly, and detection parts are displaced inwardly. These displacements are detected electrically as changes in capacitance values of four capacitor elements including opposing electrodes.

8. 发明授权

US08667854B2 Torque sensor 有权
标题翻译：扭矩传感器
公开(公告)号：US08667854B2
公开(公告)日：2014-03-11
申请号：US13813869
申请日：2011-07-27
申请人： Nobuhisa Nishioki , Kazuhiro Okada
发明人： Nobuhisa Nishioki , Kazuhiro Okada
IPC分类号： G01L3/02
CPC分类号： G01L3/10 , G01L3/106
摘要： A small, high-stiffness torque sensor. An annular deformable body is disposed between left and right side supports. Convex sections protruding from the left side support in a rightward direction are joined to the left side surface of the annular deformable body, and convex sections protruding from the right side support in a leftward direction are joined to the right side surface of the annular deformable body. When force is applied to the right side support and torque around the Z axis acts on the left side support, the annular deformable body is elliptically deformed and the long-axis position of the inner peripheral surface of the annular deformable body moves away from the Z axis while the short-axis position moves closer to the Z axis. The acting torque is detected as a variation in the capacitance value of capacitive elements formed by displacement electrodes and fixed electrodes.
摘要翻译：一种小型，高刚度扭矩传感器。环形变形体设置在左右侧支架之间。从左侧支撑向右方向突出的凸部与环状变形体的左侧面接合，从右侧支撑体向左方突出的凸部与环状变形体的右侧面接合。当力施加到右侧支撑件上时，围绕Z轴的扭矩作用在左侧支撑件上，环形变形体呈椭圆形变形，并且环形变形体的内周表面的长轴位置远离Z 而短轴位置更靠近Z轴移动。检测作用转矩是由位移电极和固定电极形成的电容元件的电容值的变化。

9. 发明授权

US10734922B2 Power generating element and power generating device 有权
公开(公告)号：US10734922B2
公开(公告)日：2020-08-04
申请号：US15758634
申请日：2017-04-05
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro Okada , Miho Okada
IPC分类号： H02N1/08 , H02K35/02 , H02K35/00 , H02N1/10 , H02N1/00
摘要： A power generating element 1 according to an embodiment includes a displacement member 10, a displacement member 20, and a fixed member 30. The displacement member 10 and the displacement member 20 are connected via an elastic deformation body 41. The displacement member 10 is connected to an attachment section 51 via an elastic deformation body 42. The displacement member 10 and/or the displacement member 20 includes a first power generation surface. The fixed member 30 includes a second power generation surface opposed to the first power generation surface. An electret material layer is provided on one surface of the first power generation surface and the second power generation surface. A counter electrode layer is provided on the other surface.

10. 发明授权

US10732056B2 Force sensor 有权
公开(公告)号：US10732056B2
公开(公告)日：2020-08-04
申请号：US15757394
申请日：2016-06-09
申请人： TRI-FORCE MANAGEMENT CORPORATION
发明人： Kazuhiro Okada , Miho Okada , Nobuhisa Nishioki
IPC分类号： G01L1/14 , G01L5/165 , G01L25/00
摘要： A force sensor of the present invention includes: a supporting body arranged on an X-Y plane; a deformation body arranged opposite to the supporting body and having a deformation part elastically deformed by an action of a force to be detected; a fixed electrode arranged on the supporting body; a displacement electrode provided to the deformation part of the deformation body in such a manner as to face the fixed electrode with which it forms a capacitive element; and a detection circuit that outputs an electrical signal representing the acting force based on a variation amount of a capacitance value of the capacitive element, wherein the capacitive element includes a first capacitive element and a second capacitive element, and the detection circuit determines whether the force sensor is normally functioning based on a first electrical signal corresponding to a capacitance value of the first capacitive element, a second electrical signal corresponding to a capacitance value of the second capacitive element, and an added electrical signal corresponding to a sum of the capacitance values of the first and second capacitive elements.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式