Abstract: The fluid transfer connector includes: a plug including a plug body, the plug body including a fluid channel; a socket including a socket body, the socket body including a fluid channel that communicates with the fluid channel of the plug body when the plug is connected to the socket; and a driving mechanism configured to adjust a distance between the plug body and the socket body. The plug body and the socket body can be stopped by the driving mechanism at an initial position where the plug body and the socket body are spaced from and face each other, a connecting position where the fluid channel of the plug body communicates with the fluid channel of the socket body, and an intermediate position between the initial position and the connecting position.

Abstract: 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.

Abstract: To prevent a defect in which a liquid is retained in a vicinity of a valley of a bellows part and particles such as impurities are accumulated. Provided is a valve including a valve element part and a diaphragm part that is coupled to the valve element part. The diaphragm part includes a base, a tip part, and a bellows part that couples between the base and the tip part. A wetted part in contact with the liquid at the tip part is formed in a cylindrical shape extending along a shaft line X. A lower end part of the bellows part is connected to the wetted part in a connection position CP coinciding with an outer peripheral surface of the wetted part. The valley of the bellows part is disposed in the connection position CP.

Abstract: Provided is a plug device which includes: a body portion; and a valve element portion. A fluid flow passage is formed in the body portion. The fluid flow passage extends along an axis, and has a valve hole at one end thereof. The valve element portion is accommodated in the body portion in an advancing and retracting manner along the axis. A proximal end portion of the valve element portion is made of a conductive fluororesin material containing a fluororesin material and carbon nanotubes dispersed in the fluororesin material. The proximal end portion is conductive with a conductive member maintained at a ground potential. A volume resistivity of the conductive fluororesin material falls within a range of larger than 1.0x×103 ?·cm and less than 1.0×104 ?·cm.

Abstract: 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.

Abstract: 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.

Abstract: The plug-integrating container includes a container body having an opening part having external threads formed on its outer circumferential surface, a plug having a locking groove for connection to a socket, and a cap having formed on its inner circumferential surface internal threads fastened to the external threads. In the plug-integrating container, the container body has an open end formed at an axis directional end of the opening part, the plug has an annular part formed at an axis directional end and having the same diameter as that of the open end, the open end and the annular part are joined together by welding as they are butted against each other, and the opening part and the plug are accommodated inside the cap when the external threads and the internal threads are fastened together.

Abstract: Provided is a pressure detection device which includes: a pressure detection unit configured to detect a pressure transmitted to a diaphragm of the pressure detection unit; a flow passage unit in which a flow passage and a diaphragm of the flow passage unit are formed, a fluid being made to flow through the flow passage along a flow direction from an inflow port to an outflow port, and the diaphragm of the flow passafe unit being configured to transmit a pressure of the fluid flowing through the flow passage to the diaphragm of the flow detection unit; and a nut configured to allow the flow passage unit to be detachably mounted on the pressure detection unit. The pressure detection unit includes a mounting detection sensor configured to detect that the flow passage unit is mounted on the pressure detection unit in a state where the diaphragm of the pressure detection unit and the diaphragm of the flow passage unit are in contact with each other.

Abstract: There is provided a tube pump system including: a pair of roller units rotated around an axis line from a contact position to a separate position; a pair of drive units rotating the pair of roller units respectively; and a control unit controlling each of the pair of drive units. A pipe having flexibility is connected to an outflow-side end portion of the tube, and the pipe maintains a pressure of a liquid flowing through the inside of the pipe at a first predetermined pressure higher than an atmospheric pressure. The control unit controls each of the pair of drive units such that a pressure of the liquid in the tube closed due to a contact of the pair of roller units is increased to a second predetermined pressure when one of the pair of roller units passes the separate position.

Abstract: Provided is a flow control apparatus including a flow passage having a tube pump placed therein, a flow meter placed downstream of the tube pump in the flow direction, the flow meter measuring a flow rate of liquid passing the flow passage, and a flow controller controlling a liquid output of the tube pump so that the flow rate measured by the flow meter matches a target flow rate. The flow passage includes a straight tubular second flow passage that is flexible to be elastically deformed by the pressure of the liquid, the second flow passage being placed downstream of the tube pump in the flow direction, and a third flow passage at which a cross-sectional flow area of the flow passage in a plane orthogonal to the flow direction is smallest, the third flow passage being placed downstream of the second flow passage in the flow direction.

Abstract: Provided is a flow rate adjusting device including: an ultrasonic flow metering portion; a flow rate adjusting portion; a control portion configured to control the flow rate adjusting portion so that the flow rate of the fluid measured by the ultrasonic flow metering portion matches a set value; a pressure sensor configured to measure a pressure of the fluid flowing into an upstream side of a measurement flow channel from an inflow port; and a storage portion configured to store information that associates the flow rate of the fluid obtained from the propagation time difference measured by the ultrasonic flow metering portion, the set value of the target flow rate, and the pressure measured by the pressure sensor with each other when the control portion controls the flow rate adjusting portion.

Abstract: 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.

Abstract: Provided is a flow rate adjustment device including: a diaphragm integrated valve body; a valve seat section provided around an inflow opening and including a valve seat surface disposed at a position facing a valve surface; and a transfer mechanism configured to cause the diaphragm integrated valve body to move along an axis line to adjust a distance between the valve surface and the valve seat surface. The valve surface 11a and the valve seat surface form an angle, which is an acute angle, with the axis line and are disposed in parallel.

Abstract: Provided is a flow meter that determines a liquid flow rate based on temperature. The flow meter has a cylindrical measurement tube having an internal flow passage, and a temperature detecting substrate including a heating resistance element a temperature detecting resistance element formed on a detection surface thereof. The measurement tube has a flat surface facing the detection surface of the temperature detecting substrate, and a pair of recesses arranged so as to sandwich the internal flow passage at a position where the heating resistance element is arranged. The flat surface and the detection surface are bonded together to form two bonding area. A width of the first bonding area is narrower than a width of the second bonding area so that heat, transmitted through the measurement tube from the heating resistance element is increased.

Abstract: Provided is a pressure detection device, wherein a pressure detection unit includes: a pressure detecting diaphragm; a second connection portion; and four strain resistance portions. One of either a first connection portion or the second connection portion is formed of a magnet, and the other of either the first connection portion or the second connection portion is formed of a magnet or a magnetic body. The first connection portion and the second connection portion are arranged such that the first connection portion and the second connection portion are attracted by a magnetic force in a state where a flow passage unit is mounted on the pressure detection unit. The four strain resistance portions are attached to a region of a second surface of a pressure detecting diaphragm other than a center portion.

Abstract: Provided is a coupling device including a cylindrical housing portion, a valve portion that turns into an open state by contact with the plug device, a bellows portion having therein an expandable and contractible supply passage for supplying incompressible fluid from the plug device to a supply tube, a moving portion being movable to be brought into contact with or distanced from the plug device fitted inside one end side of the housing portion, a first pressure chamber generating a biasing force in a direction to distance the moving portion from the plug device and contract the bellows portion, and a safety valve for discharging the incompressible fluid within the supply passage to the outside when the incompressible fluid within the supply passage reaches or exceeds a predetermined level.

Abstract: 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.

Abstract: Provided is a flow rate adjusting device includes an ultrasonic flow metering portion, a flow rate adjusting portion, and a control portion for controlling the flow rate adjusting portion. The flow rate adjusting portion includes a drive portion configured to cause a valve body portion to advance or recede along an axis line parallel to an installation surface. A straight tube-shaped measurement flow channel is disposed along an axis line parallel to the axis line. A control board is disposed along an axis line parallel to the axis lines. The flow rate adjusting portion is disposed between the ultrasonic flow metering portion and the control portion in an axis line Y direction orthogonal to the installation surface.

Abstract: Provided is a pressure detection device including a pressure detection unit configured to detect a pressure to be transmitted to a pressure sensor, and a flow channel unit on which the pressure detection unit is disposed. The pressure detection unit) includes a pressure sensor and a conductive protective film disposed in contact with the pressure sensor, the conductive protective film breaking contact between the pressure sensor and a fluid. The conductive protective film is formed of a conductive fluororesin material including a fluororesin material and a conductive material dispersed in the fluororesin material and is connected to a ground portion maintained at a ground potential.