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公开(公告)号：US20230279975A1
公开(公告)日：2023-09-07
申请号：US18178704
申请日：2023-03-06
发明人： Hiroshi IMAI , Masahiro HASUNUMA
CPC分类号： F16L19/0206 , F16L25/0018 , F16L25/14
摘要： Provided is joint unit having a resin tube, a joint structure, and a nut, the joint structure has a guide part that guides the outer circumferential face of the resin tube, a protrusion that forms an insertion groove between the guide part and the protrusion, and a fixing part that fixes the resin tube inserted in the insertion groove, the tip of the protrusion is located closer to a main body than the tip of the guide part, the nut has a recessed part having an inner diameter greater than a first outer diameter of the guide part and smaller than a second outer diameter of the fixing part, and the tip of the fixing part in contact with the recessed part bites into the outer circumferential face of the resin tube in a state where the nut is fastened to the joint structure.
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公开(公告)号：US20230030810A1
公开(公告)日：2023-02-02
申请号：US17870042
申请日：2022-07-21
发明人： Hiroshi IMAI
IPC分类号： B67C3/34
摘要： Provided is a liquid supply device including: a plug having a plug side liquid channel; and a socket having a socket side liquid channel. The plug has a groove having a fixing groove, the socket has a body having the socket side liquid channel, a gripping unit gripped by a robot, and a sleeve member configured to adjust a position of the body relative to the gripping unit, the tip of the body runs annularly about the socket axis and has lock balls, and the sleeve member switches a state between a connected state where the lock balls are secured in the fixing groove and a released state where the lock balls are not secured in the fixing groove.
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公开(公告)号：US20180120186A1
公开(公告)日：2018-05-03
申请号：US15427097
申请日：2017-02-08
发明人： Hiroshi IMAI , Masamichi KOBAYASHI , Kazuo ABO
CPC分类号： G01L19/14 , G01L9/0041 , G01L19/069
摘要： Provided is a pressure detection device including: a pressure sensor including a pressure detection surface for detecting a pressure of a fluid; and a flow channel unit having a flow channel formed therein to guide the fluid to the pressure detection surface. The flow channel unit includes a flow channel body having the flow channel 21a formed therein, and an earth ring disposed in contact with the pressure sensor. The earth ring is formed of a conductive fluororesin material including a fluororesin material and a conductive material in which the fluororesin material is dispersed, and is maintained at a ground potential.
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公开(公告)号：US20220260445A1
公开(公告)日：2022-08-18
申请号：US17670047
申请日：2022-02-11
发明人： Hiroshi IMAI
摘要： Provided is a pressure detection device including a pressure detection unit and a channel unit. The channel unit has a contact part arranged in contact with the pressure detection unit, the contact part has a protective film arranged in contact with a pressure detection surface and configured to block contact between the pressure detection surface and a liquid and a body forming an opening arranged at an end of the channel, the protective film and the body are formed of a thermoplastic fluorine resin, and the protective film is arranged so as to close the opening of the body and welded to the body in an annular region extending circumferentially about the axis.
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5.发明申请公开(公告)号：US20200182727A1
公开(公告)日：2020-06-11
申请号：US16705738
申请日：2019-12-06
发明人： Hiroshi IMAI , Kazuo ABO
IPC分类号： G01L19/00
摘要： To provide a flow passage unit which is detachably mounted on a pressure detection unit, the flow passage unit including: a flexible flow passage part including a flexible flow passage which introduces liquid flowing in the flexible flow passage part from an inflow port, to an outflow port, and which is made of a flexible material; a body portion configured to form a pressure transmitting space which surrounds an outer peripheral surface of the flexible flow passage part; a diaphragm mounted on the body portion and having a thin-film shape; and a pressure transmission medium filled in the pressure transmitting space, and being non-compressible, wherein the flexible flow passage is a flow passage which has a predetermined inner diameter, and which extends in a straight line along an axis.
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公开(公告)号：US20180238761A1
公开(公告)日：2018-08-23
申请号：US15900163
申请日：2018-02-20
发明人： Hiroshi IMAI , Masamichi KOBAYASHI
CPC分类号： G01L19/0023 , A61M1/3641 , G01L9/0051 , G01L9/0055 , G01L13/025 , G01L19/003 , G01L19/0645 , G01L19/144
摘要： Provided is a pressure detection device which includes a pressure detection unit and a flow passage unit. The pressure detection unit includes a pressure sensor including a diaphragm and a first connection portion joined to the diaphragm. The flow passage unit includes a diaphragm and a second connection portion joined to the diaphragm. One of the first connection portion and the second connection portion is formed of a magnet, and the other of the first connection portion and the second connection portion is formed of a magnet or a magnetic body. In a state where the flow passage unit is mounted on the pressure detection unit, the first connection portion and the second connection portion are disposed in a state where the first connection portion and the second connection portion are attracted to each other by a magnetic force.
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公开(公告)号：US20180230987A1
公开(公告)日：2018-08-16
申请号：US15891878
申请日：2018-02-08
发明人： Hiroshi IMAI , Kazuki HIRAI , Yukinobu IMAI
摘要： To provide a tube pump which includes: a drive mechanism including a first roller unit and a second roller unit which rotate about an axis line while being in contact with a tube having elasticity, and a first drive unit and a second drive unit which cause the first roller unit and the second roller unit to rotate independently about the axis line; a holding mechanism which holds the tube in an arcuate shape about the axis line; and an attachment mechanism which detachably attaches the holding mechanism to the drive mechanism.
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公开(公告)号：US20170219396A1
公开(公告)日：2017-08-03
申请号：US15420534
申请日：2017-01-31
发明人： Hiroshi IMAI , Takashi IMAI
IPC分类号： G01F1/38
CPC分类号： G01F1/383 , G01L19/0023 , G01L19/0046
摘要： Provided is a pressure detection device including: a pressure detection unit; and a flow channel unit provided with a flow channel and a pressure receiving portion. The pressure detection unit includes a pressure sensor including a diaphragm, and a pressure transmission portion which is disposed in a state where one end of the pressure transmission portion is in contact with the diaphragm and the other end thereof is in contact with the diaphragm, and transmits a pressure of a fluid received by the diaphragm to the diaphragm. The pressure transmission portion is disposed in a state where the diaphragm is displaced toward the flow channel and an urging force directed from the diaphragm to the diaphragm is received.
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公开(公告)号：US20240272027A1
公开(公告)日：2024-08-15
申请号：US18646525
申请日：2024-04-25
发明人： Hiroshi IMAI
CPC分类号： G01L19/14 , G01L9/0051
摘要： Provided is a pressure detection device including a pressure detection unit and a channel unit. The channel unit has a contact part arranged in contact with the pressure detection unit, the contact part has a protective film arranged in contact with a pressure detection surface and configured to block contact between the pressure detection surface and a liquid and a body forming an opening arranged at an end of the channel, the protective film and the body are formed of a thermoplastic fluorine resin, and the protective film is arranged so as to close the opening of the body and welded to the body in an annular region extending circumferentially about the axis.
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公开(公告)号：US20240263627A1
公开(公告)日：2024-08-08
申请号：US18429037
申请日：2024-01-31
发明人： Hiroshi IMAI
IPC分类号： F04B43/12
CPC分类号： F04B43/1261
摘要： Provided is a tube pump including: an accommodation unit accommodating a pair of roller units and having a tube arranged therein; and a pair of drive units that rotate the pair of roller units, respectively. The outer circumferential face of a roller has a first gear area provided with a first gear, a first tube area contacted with the tube, and a groove area with a groove formed about the roller axis. The inner circumferential face of the accommodation unit has a second gear area provided with a second gear, a second tube area that pinches and closes the tube, and a protruding area with a protruding part formed about the axis. The pair of roller units rotate about the axis with the protruding part accommodated in the groove. The tip of the protruding part is arranged at a position more projecting toward the axis than the second gear.
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