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公开(公告)号：US20240328409A1
公开(公告)日：2024-10-03
申请号：US18620199
申请日：2024-03-28
发明人： Masamichi KOBAYASHI
CPC分类号： F04B43/1253 , F04B53/22 , F04B43/09
摘要： Provided is a tube holding device configured to hold a tube to be installed to a tube pump including: a first installation part to which a first tube holding member configured to hold a first region of the tube is detachably installed; a second installation part to which a second tube holding member configured to hold a second region, which is different from the first region, of the tube is detachably installed; and a support part having a support face in a third region of the tube between the first region and the second region with the first tube holding member being installed to the first installation part and the second tube holding member being installed to the second installation part, the support face being configured to support a part of an outer circumferential face of the tube and having a substantially semicircular shape in sectional view.
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公开(公告)号：US12055243B2
公开(公告)日：2024-08-06
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：US20220307931A1
公开(公告)日：2022-09-29
申请号：US17655968
申请日：2022-03-22
发明人： Masahiro Hasunuma
摘要： Provided is a pressure detection device including: a pressure detection unit; a flow passage unit; and a mounting unit configured to removably mount the flow passage unit on the pressure detection unit. The pressure detection unit has a pressure detecting diaphragm and a sensor rod arranged at the center part of a first surface of the pressure detecting diaphragm, protruding toward the flow passage unit along a first axis orthogonal to the pressure detecting diaphragm, and having a top surface orthogonal to the first axis. The flow passage unit has a flow passage diaphragm, and a displacement of the flow passage diaphragm in contact with the top surface is transmitted to the pressure detecting diaphragm via the sensor rod in a state where the flow passage unit is mounted on the pressure detection unit by the mounting unit.
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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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公开(公告)号：US11035355B2
公开(公告)日：2021-06-15
申请号：US16295319
申请日：2019-03-07
发明人： Yukinobu Imai , Kazuki Hirai
摘要： A tube pump system is provided, which includes a pair of roller units which are rotated around the axis line from a contact position to a separate position in a state where the pair of roller units compress the tube, a pair of drive units which rotate the pair of roller units respectively, and a control unit which controls each of the pair of drive units, wherein the control unit controls each of the pair of drive units such that, when one of the pair of roller units passes the separate position, an angular velocity of the other of the pair of roller units toward the separate position is gradually decreased.
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公开(公告)号：US20210102649A1
公开(公告)日：2021-04-08
申请号：US17032451
申请日：2020-09-25
发明人： Hiroshi Imai , Kazuki Hirai
摘要： Provided is a joint structure comprising a main body, a tubular part that is formed in a tubular shape to protrude from the main body along an axis and holds an outer peripheral surface of the resin-made tube, and a protrusion that is formed in a shaft shape to protrude from the main body along the axis and forms, between the protrusion and the tubular part, an insertion groove in which the resin-made tube is inserted, the main body and the protrusion are formed with a coupling channel extending along the axis and coupling a liquid transferring channel and another channel, and a tip of the protrusion is disposed at a position closer to the main body than a tip of the tubular part.
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公开(公告)号：US20200263682A1
公开(公告)日：2020-08-20
申请号：US16786407
申请日：2020-02-10
发明人： Yukinobu Imai
摘要： Provided is a tube pump system which includes: a pair of roller units which are rotated around an axis line from a closing position to a releasing position; a pair of drive units which are configured to respectively rotate the pair of roller units; a control unit which is configured to control each of the pair of drive units; and a pressure sensor which is configured to detect a pressure of a liquid in a pipe connected to the other end of the tube, wherein the control unit controls a first rotation angle when the first roller unit passes through the closing position and a second rotation angle when the second roller unit passes through the releasing position such that fluctuation of the pressure of the liquid when the pair of roller units are rotated through at least one revolution falls within a predetermined value.
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公开(公告)号：US10724664B2
公开(公告)日：2020-07-28
申请号：US15630337
申请日：2017-06-22
IPC分类号： F16L37/084 , F16L37/38 , B67D7/34 , B67D7/02
摘要： Provided is a connector including: a plug to be attached to an opening of a liquid storing container and attached to an inner peripheral surface of the opening; a key ring to be attached to an outer peripheral surface of the opening extending along an axial line and including a key hole portion disposed at an outside of the outer peripheral surface with respect to the axial line; and a socket to be detachably attached to the plug and including a key rod portion to be engaged with the key hole portion. The plug and the socket are coupled together in a state where the key hole portion and the key rod portion are engaged with each other.
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9.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：US10309815B2
公开(公告)日：2019-06-04
申请号：US15048512
申请日：2016-02-19
发明人： Hiroki Igarashi
摘要： Provided is a thermal flow meter including a measurement tube made of resin having an inlet and an outlet, and an internal flow passage extending along an axis, a sensor substrate having a heating resistance wire and temperature detecting resistance wires formed on a detection surface along the axis, and a reinforcing plate. The sensor substrate is bonded to the measurement tube along the axis with an adhesive, and the reinforcing plate is bonded to the measurement tube along the axis with the adhesive with the internal flow passage interposed between the sensor substrate and the reinforcing plate.
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