Patent application number | Description | Published |
20080210017 | Orifice Member, and Differential-Pressure Flow Meter and Flow-Regulating Apparatus Using the Same - Provided are an orifice member, and a differential-pressure flow meter and a flow-regulating device using the orifice member, that allow purging to be carried out easily when changing the fluid to be circulated, that are less likely to cause contamination and leaching of impurities to the circulated fluid, and that can be easily produced. The flow-regulating device includes a first pressure-measuring device (object to be connected to) that is connected to one end of the orifice member, and a second pressure-measuring device (object to be connected to) that is connected to the other end of the orifice member, and a flow-regulating valve that is connected to the downstream side of the differential-pressure flow meter, which includes the above-mentioned units. In the orifice member, a tube portion, one end of which is connected to the first pressure-measuring device and other end of which is connected to the second pressure-measuring device and whose internal part forms a channel connecting the first and second pressure-measuring devices, and an orifice provided inside the tube portion are integrated. | 09-04-2008 |
20080210324 | Damper - A damper that has chemical resistance, that can be used under a high-pressure environment, and that can remove pressure pulsations is provided. This damper includes a fluid chamber into and out of which a fluid flows, a diaphragm defining at least one surface of the fluid chamber, and a separate chamber adjacent to the fluid chamber in a fluid-tight manner, with the diaphragm disposed therebetween. The diaphragm includes a first film having chemical resistance and a second film having pressure resistance. | 09-04-2008 |
20090020176 | JOINT FOR FLUID CONTAINER - A joint for duplex storage type fluid container that can attain secure fitting of a liquid discharge tube and can attain easy, secure connection of a passage for fluid emission disposed in a dispenser to the liquid discharge tube. There is provided a joint for fluid container comprising flexible bag ( | 01-22-2009 |
20090026059 | PRESSURE SWITCH - A compact pressure switch that causes little error in the operating point of the switch and that has resistance to dust, water, and chemical solutions is provided. The pressure switch includes a housing ( | 01-29-2009 |
20090072173 | Flow control valve - An object is to provide a flow control valve that is capable of reducing or eliminating backlash generated between a male threaded portion and a female threaded portion engaged with the male threaded portion and preventing or eliminating hysteresis in the flow level. The flow control valve includes a body having a fluid inlet and a fluid outlet, a cover attachable to the body, a motor disposed in a space defined by the body and the cover, a valving element connected to a rotary shaft of the motor with a screw member, and an urging member that urges the valving element toward the motor side or toward the side opposite to the motor. | 03-19-2009 |
20090078038 | FLOW METER AND FLOW-REGULATING SYSTEM USING THE SAME - Provided are a flow meter and a flow-rate control system using the same that is capable of measuring a flow rate in a minute flow-rate region with excellent measurement accuracy by preventing or suppressing the generation of bubbles and in which accumulation of the fluid and the bubbles is less likely to occur. The flow meter is for measuring a minute flow rate of a fluid flowing through a fluid channel whose outlet environment is set to constant pressure, the flow meter including a flow-rate measurement conduit portion having a predetermined length connected to an outlet-side end of the fluid channel | 03-26-2009 |
20090101667 | Connector Structure - A connector structure that can minimize the amount of liquid remaining in a container is provided. In a connector structure that is attached to an opening | 04-23-2009 |
20090134163 | LOOSENING PREVENTION DEVICE FOR PLUG - A loosening prevention device ( | 05-28-2009 |
20090267346 | SOCKET FOR FLUID-TRANSFER COUPLING DEVICE - A socket for a fluid-transfer coupling device ( | 10-29-2009 |
20090272450 | PLUG FOR FLUID-TRANSFER COUPLING DEVICE - In a fluid-transfer coupling device ( | 11-05-2009 |
20090289449 | TUBE CONNECTOR - A tube connector that allows for a secure connection between a plug and a socket is provided. An accommodation space is provided such that, when the plug is inserted into an insertion hole of the socket while a sleeve is lifted upward to a base-end position, if a ball rolls on an outer periphery of the plug so as to come into abutment with a projection, the accommodation space entirely accommodates the ball at a side adjacent to the socket relative to the outer periphery of the plug. | 11-26-2009 |
20090301207 | PRESSURE GAUGE AND PRESSURE GAUGE ASSEMBLY - A pressure gauge includes a pressure measurement-display portion ( | 12-10-2009 |
20090302597 | Liquid Tank Connector - A liquid tank connector for preventing leakage of contents in a liquid tank when removing a socket from a plug fixed to the liquid tank is provided. The liquid tank connector which includes a plug to be fixed to a liquid tank where liquid is stored, a socket which is able to be connected and disconnected with respect to the plug, and a sleeve for releasing a connected state between the plug and the socket by a relative movement with respect to the socket, and in which a liquid flow channels and gas flow channels are formed in a liquid deliverable state in which the plug and the socket are connected, and which includes: a cock which forms a gas flow channel in the liquid deliverable state, and the relative movement of the sleeve is controlled by the position of the cock in the liquid deliverable state. | 12-10-2009 |
20100001517 | Fluid-Transfer Coupling Device - A fluid-transfer coupling device includes a cylindrical housing ( | 01-07-2010 |
20110291037 | Flow Adjusting Valve - A needle valve that adjusts the flow of liquid fluid and an open/close valve that makes it possible to fully close a flow path of the liquid fluid are accommodated inside a casing of a flow adjusting valve. The needle valve is provided with a reciprocating movement section that adjusts the flow of the liquid fluid by moving a needle valve piece toward and away from the valve seat. The open/close valve is provided with an opening/closing section that utilizes a basal outer surface of the needle valve piece facing the valve seat as a fully-closing valve piece and that reciprocatingly moves the fully-closing valve piece, independently of the reciprocating movement section, between a closed position, where the fully-closing valve piece is in close contact with the valve seat, and an open position, where the fully-closing valve piece is moved away from the valve seat. | 12-01-2011 |
20120037625 | COUPLING DEVICE - A coupling device which is provided at a mouth | 02-16-2012 |
20130112284 | LIQUID STORAGE CONTAINER - A liquid storage container has a double structure provided with an outer container forming an outer shell and a liner arranged in the outer container, the liner accommodating a liquid, wherein the liquid is pushed out from the liner by gas pressure introduced into the outer container so as to flow out to an exterior of the container from a siphon of a plug attached to a stopper portion of the outer container, a substantially concentric drop tube is arranged on an outer periphery of the siphon so as to form a space portion serving as a liquid flow passage, a through hole is formed on a tube wall of the drop tube, and an outlet opening for making the inflow liquid coming from the through hole flow out from the liquid flow passage. | 05-09-2013 |
20140306132 | FLOW REGULATING APPARATUS - Provided is a flow regulating apparatus including: a valve body part having a projecting part provided at a tip thereof; and a taper-shaped valve seat part in which a distance from a center axis gradually becomes longer at a constant inclination as it gets away from a valve hole along a center axis direction of a valve chamber, in which in a blocking state where inflow of the fluid from the valve hole to the valve chamber is blocked, a contact position where the needle part and the valve seat part come into contact with each other is separated from a valve hole edge serving as a boundary of the valve hole and the valve seat part. | 10-16-2014 |
20140346385 | FLOW REGULATING APPARATUS - Provided is a flow regulating apparatus | 11-27-2014 |