| SMC Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20120085953 | MULTIPLE ELECTROMAGNETIC VALVE - A multiple electromagnetic valve includes a main valve portion in which four or more valve holes are formed parallel to each other inside a valve body, and a spool for switching flow paths is placed in each valve hole, and a pilot operating portion having solenoid-operated pilot valves that drive the spools with pilot fluid. The valve holes are disposed inside the valve body in two upper and lower tiers. A plurality of valve holes belongs in each of the upper tier and lower tier. The valve holes in the upper tier and the valve holes in the lower tier occupy different positions in the width direction of the valve body. The valve holes in the upper tier and the valve holes in the lower tier partially overlap each other in the plan view of the valve body. | 04-12-2012 |
| 20120025116 | MULTIPLE MANIFOLD VALVE - A plurality of electromagnetic valves are mounted on a manifold base, a single top cover that covers the plurality of electromagnetic valves as a whole is mounted, the top cover is screwed into the manifold base in a state in which a positioning pin on a lower end of a peripheral wall is fitted into a small hole in the manifold base, a reinforcing rib is formed on an inner face of a top plate of the top cover, the rib is arranged so that the rib is brought into contact with the upper faces of the electromagnetic valves all the time or is brought into contact with the electromagnetic valves when the top cover is elastically deformed by a pressing force from the outside acting on the top cover. | 02-02-2012 |
| 20110311837 | COVERING MEMBER FOR PREVENTING EROSION - There is provided a covering member for preventing erosion that has a high erosion resistance, is resistant to repeated thermal shocks so as to have a long life, and has a particular color allowing visual inspection of the surface layer for degradation. | 12-22-2011 |
| 20110290340 | VACUUM VALVE - A cartridge heater is accommodated in a heater bore in a shaft connected to a valve element, and a heating portion provided at an end portion of the cartridge heater is located at a joint portion of the shaft and the valve element. At the joint portion, a heat receiving groove and a pressurizing portion communicating with the heater bore are provided at a position between a surface of the valve element and that of the shaft located so as to oppose and to contact each other. The heat receiving groove includes an arcuate groove portion of the same radius as that of the heating portion of the cartridge heater, and the heating portion is pressed by the pressurizing portion to enter into plane-to-plane contact with an inner circumferential surface of the arcuate groove portion of the heat receiving groove, upon fastening the valve element and the shaft to each other with a bolt, with the heating portion located between the heat receiving groove and the pressurizing portion. | 12-01-2011 |
| 20110193000 | DECOMPRESSION SWITCHING VALVE - To provide a decompression switching valve that enables reduction in the running cost and initial cost, by saving of air consumption and simplifying and downsizing of equipment. A decompression switching valve includes one valve hole, a main valve body having air supply ports, a first output port, a second output port, and an air exhaust port which are communicated with the valve hole, and a first spool and a second spool which are slidably provided in the valve hole, adjacent to each other, wherein the first spool forms a switching valve section that selectively connects the first output port to an air supply port or the air exhaust port, and wherein the second spool forms a decompression valve section that reduces the pressure of compressed air having been input from the air supply port and outputs the pressure from the second output port. | 08-11-2011 |
| 20110180979 | STOPPER WITH DAMPER - A damper hole having a large-diameter section is formed inside a body which is made of metal. A flange which fits in the large-diameter section is formed in a damper which is made of rubber and is received in the damper hole. The flange defines a cushion chamber in the large-diameter section. A gap for letting air restrictively discharge from the cushion chamber is formed between an outer periphery of the flange and an inner periphery of the large-diameter section. Motion energy of a moving object colliding with the damper is absorbed by both elasticity produced by the compressed damper and an air cushion effect produced by the flange and the cushion chamber. | 07-28-2011 |
| 20110126703 | FLUID PRESSURE CYLINDER WITH POSITION DETECTING DEVICE - An elongated attachment hole is formed on a housing containing a magnetic sensor, a thin plate-like hole cover is placed on the housing to cover the elongated attachment hole, a single attachment bolt is disposed in such a manner as to go through the hole cover and the elongated attachment hole, and the attachment bolt is screwed in a screw hole of a cylinder body, thereby fixation of the housing on the cylinder body and fixation of the hole cover on the housing are performed at the same time by using the single attachment bolt. | 06-02-2011 |
| 20110089354 | GATE VALVE - Between a driving base operated by an air cylinder and a lever member fixed to a valve shaft integral with a valve plate, a connecting mechanism for connecting the driving base and a lever member, capable of displacement, and a cam mechanism for tilting the lever member are interposed, and a stopper mechanism for stopping the lever member at an opposing position of the valve plate or a full-open position, and after the lever member is stopped by the stopper mechanism at the opposing position or the full-open position, the lever member is tilted by the cam mechanism so as to incline the valve plate and to press a valve seal to a valve seat portion or a wall face in the periphery of an opening. | 04-21-2011 |
| 20110068573 | PIPE JOINT - [Object] A pipe joint is to be provided that prevents a release bush from being accidentally pressed, and that inhibits the tube from being removed from the pipe joint unless a worker uses a predetermined tool with the intention of removing the tube from the pipe joint. | 03-24-2011 |
| 20110062704 | PIPE JOINT - In a pipe joint, a release bush includes a cylindrical portion and a flange portion for pressing, provided along an outer edge of the cylindrical portion. A movable portion including a part of the flange portion and a part of the cylindrical portion is formed to move with respect to a main portion including the remaining part of the flange portion and the remaining part of the cylindrical portion, via an elastically deformable portion. The cylindrical portion of the movable portion can be moved to be aligned with the cylindrical portion of the main portion along the same circumference, by an external operating force exerted on the movable portion, while the movable portion remains in a position opposing a main body of the pipe joint when an operating force is not applied, thereby inhibiting the release bush from being pressed into a chuck despite the flange portion being pressed. | 03-17-2011 |
| 20100308480 | HUMIDITY CONDITIONING AIR SYSTEM FOR PNEUMATICALLY DRIVEN DEVICE - An air system in which the supply air from a compressed air source is supplied to a pneumatically driven device through a pneumatic line, including humidity conditioning tubes used for the whole or a part of the pneumatic line. This humidity conditioning tube includes a polymer material having moisture selective permeability in both inward and outward directions according to steam partial pressure in and outside thereof, and the supply air supplied to the pneumatically driven device through the tube is dehumidified or humidified by this humidity conditioning tube. An air system can suppress generation of mist or the like in supply air without shortening a life of a device caused by supply of low dew-point air to the pneumatically driven device. | 12-09-2010 |
| 20100307876 | AIR CUSHION MECHANISM OF PNEUMATIC CYLINDER - A body-side cushion structural body attached to a body and a piston-side cushion structural body integrally moving with a piston are disposed outside the body, a cushion rod is disposed on either one of the cushion structural bodies, while a rod fitting hole is disposed in the other cushion structural body, a cushion packing is disposed at a spout portion of the rod fitting hole, and moreover, a throttle valve that discharges air in the rod fitting hole to the outside with flow-rate adjustment is disposed so as to configure an air cushion mechanism that stops the piston in a buffering manner. | 12-09-2010 |
| 20100258210 | SPOOL-TYPE SELECTOR VALVE - A tapered face whose hole diameter is gradually reduced toward a riding-on direction is formed at a valve-seat end of a supply valve seat or an discharge valve seat where a seal member of a spool slides and rides onto from a side with a low fluid pressure to a side with a high fluid pressure, while the other valve-seat end is kept as a cylindrical surface with a constant hole diameter, by which two tapered faces are formed in a valve hole, and an inner diameter of a portion located between the two tapered faces of the valve hole is formed equal to an inner diameter of a small diameter end of the tapered face, while an inner diameter of a portion located on a hole end side rather than the two tapered faces of the valve hole is formed equal to or larger than the inner diameter of a large diameter end of the tapered face. | 10-14-2010 |
| 20100186941 | Water-cooled constant temperature liquid circulating device and method of controlling temperature of circulating liquid with the same - A constant temperature liquid circulating device includes a heat absorption tube through which flows heat absorbing liquid, a tank containing a constant temperature circulating liquid and a heat exchange portion of the heat absorption tube, a conduit which circulates the constant temperature circulating liquid in the tank to an external device and a flow regulator. The flow regulator includes an electric proportional valve for controlling a flow amount of heat absorbing liquid in the heat absorption tube, an electromagnetic valve for delivering the heat absorbing liquid to the heat exchange portion, and a controller which regulates the flow of the heat absorbing liquid through the electric proportional valve not to be less than a low flow limit value, and which regulates the flow of heat absorbing liquid through the electromagnetic valve so as to adjust the circulating liquid to a predetermined temperature. | 07-29-2010 |
| 20100181510 | SELECTOR VALVE DEVICE - On a valve body of a selector valve mounted on a base member, a bolt insertion hole extending crossing a valve hole within a width of the valve body is formed, a mounting bolt is inserted into the bolt insertion hole so as to cross the valve hole and the valve member, and a distal end of the mounting bolt is screwed into a screw hole of the base member so as to fix the selector valve to the base member, while on the valve member, in order to avoid contact between the valve member and the mounting bolt, a hole-shaped or recess-shaped escape portion extending longer in an operating direction of the valve member is formed, and the mounting bolt is inserted through the escape portion. | 07-22-2010 |
| 20100148101 | PARALLEL TYPE VALVE ASSEMBLY - Two connected valve units each formed by serially connecting plural electromagnetic valves in a direct abutment state are disposed in parallel between two end blocks. The two end blocks are tightened with plural connecting bolts disposed therebetween so as to directly clamp and fix the two connected valve units from both sides in the serial connection direction of the electromagnetic valves. One of the end blocks is provided with a power supply connector, and the other is provided with an air inlet port and a discharge port. | 06-17-2010 |
| 20100140031 | HYDRAULIC SHOCK ABSORBER - In the inside of a cylinder tube, there are provided a piston chamber and an adjusting chamber communicating each other, and these both chambers are filled with oil in a pressurized condition, and further, there are provided a piston moving in an axial direction in the piston chamber and a rod coupled to the piston. An elastic member is located in the inside of the adjusting chamber in a state that a reservoir tank is formed in the adjusting chamber by being compressed by pressurizing force of the oil, and impact is absorbed in such a way that the elastic member is caused to extend and contract by the oil flowing in/flowing out the reservoir tank by movement of the rod. | 06-10-2010 |
| 20100107674 | REFRIGERATION AIR DRYER - A refrigeration air dryer outputs dehumidified air dehumidified by a cooling operation using a low-temperature refrigerant after the temperature thereof has been raised by exchanging heat with a high-temperature refrigerant at a reheater. The refrigeration air dryer includes a temperature sensor which detects the temperature of secondary air in the outlet pipe, valve means which adjusts the flow rate of the dehumidified air or the flow rate of the refrigerant flowing through the reheater, and a temperature controller which adjusts the flow rate of the dehumidified air or the flow rate of the refrigerant by controlling the valve means based upon the detected temperature detected by the temperature sensor, thereby maintaining the temperature of the secondary air at a constant level. | 05-06-2010 |
| 20100096033 | FLUID PRESSURE EQUIPMENT PROVIDED WITH LOW SLIDING PACKING - A packing attached to a spool of a spool valve has a ring-shaped inner-peripheral seal portion provided with an inner-peripheral seal face, a ring-shaped outer-peripheral seal portion provided with an outer-peripheral seal face, and an intermediate flexible portion interposed between the both portions and curved by an action of a fluid pressure, the intermediate flexible portion has both right and left flat side faces parallel with each other, a thickness of the intermediate flexible portion is formed smaller than the inner-peripheral seal portion and the outer-peripheral seal portion, and a ring width of the intermediate flexible portion in a packing radial direction is formed equal to or larger than the thickness. | 04-22-2010 |
| 20100083683 | REFRIGERATION AIR DRYER - A refrigeration air dryer, which dehumidifies compressed air by cooling the air at a cooler by exchanging heat with a refrigerant, includes a first reheater and a second reheater. The first reheater has a configuration in which warm and moist primary air to be dehumidified is preliminarily cooled by exchanging heat between the primary air and low-temperature dehumidified air dehumidified by the cooler, and is transmitted to the cooler. At the same time, the temperature of the humidified air is raised, and the humidified air is transmitted to the second reheater. The second reheater has a configuration in which the humidified air having a temperature raised by the first reheater is again raised by exchanging heat with the high-temperature refrigerant compressed by the refrigerant compressor, following which the humidified air is externally discharged as secondary air. | 04-08-2010 |
| 20100077784 | DEHUMIDIFICATION TYPE AIR SYSTEM - A dehumidification type air system is configured such that a switching valve and an air-used device are connected through a dehumidifying member made of a polymer permeation membrane with moisture permeability, and by bringing a moisture emitting face of the dehumidifying member into contact with the atmosphere, supply air supplied from the switching valve through the dehumidifying member to the air-used device is dehumidified by the dehumidifying member, while the moisture permeating through the dehumidifying member is diffused from the moisture emitting face to the atmosphere through natural evaporation. | 04-01-2010 |
| 20100073842 | NEUTRALIZATION APPARATUS - A static eliminator that can be placed at a close distance capable of eliminating static electricity while preventing furious elevation of the surface electric potential of a work when the static eliminator is placed at a close distance to the work. A cover formed by an electro conductive porous material covering discharge needles is attached to a holding member in which a plurality of the discharge needles are provided and air blowing openings for ejecting air around the discharge needles are provided. The cover evenly discharges ionized air from the surface of the cover, and is electrically connected to ground to have a function for absorbing a part of generated ions. | 03-25-2010 |
| 20100064834 | DOUBLE RACK AND PINION OSCILLATING DEVICE - A plurality of ring-shaped sealing members are spaced from each other on the outer periphery of each of first and second end caps that seal openings of first and second cylinder holes. Ring-shaped flow paths are formed between adjacent ring-shaped sealing members. Parts of air flow paths that supply and discharge compressed air to and from pressure chambers of the cylinder holes are formed by the ring-shaped flow paths. | 03-18-2010 |
| 20100033891 | IONIZER HAVING MECHANISM FOR CLEANING DISCHARGE ELECTRODES - Discharge electrodes for generating ion and a member for cleaning the discharge electrodes are mounted on an electrode support frame, which is detachably attached to the case of an ionizer. When the electrode support frame is attached to the case, the cleaning member occupies a retraction position where the cleaning member does not shut off or disturb air that is supplied from a fan. Upon the detachment of the electrode support frame from the case, the cleaning member becomes moveable. Then, the cleaning member is moved while being brought into contact with the discharging parts of the discharge electrodes one after another. As a result, the cleaning member sweeps dust or other particles off the discharging parts thereof. | 02-11-2010 |
| 20100008010 | IONIZER - An ionizer includes a fan for blowing air, the fan being provided in an air blowing port which opens in a case, and a plurality of discharge electrodes for generating positive and negative ions by corona discharge, the discharge electrodes being provided in the case at positions facing the air blowing port. The ionizer also includes a plurality of discharge electrode pairs each constituted by two discharge electrodes for generating ions of different polarities. When a tip-center distance denotes a distance from the electrode tip to the center of the air blowing port, the tip-center distances of the two discharge electrodes in the discharge electrode pairs are different from each other. | 01-14-2010 |
| 20090293636 | FLOW SENSOR - A flow sensor includes a detector provided on a side surface of a body formed in a tubular shape. First and second passages formed in the interior of the body communicate with an introduction passage of the detector via first and second sensor passages. The first and second sensor passages penetrate through and open respectively on first and second projections, which project at predetermined heights from an inner circumferential surface of the body, communicating with the first and second passages. A fluid, which flows from the first passage and into the first sensor passage, after being guided to the introduction passage and the flow rate thereof detected by a detector, flows through the second sensor passage and into the second passage. | 12-03-2009 |
| 20090291596 | STACKING CONNECTOR - A stacking connector is formed by a connector main body and a plug substrate, the connector main body has a substrate sandwiching member including a sandwiching gap into which the plug substrate fits, and a projection projecting into the sandwiching gap, the plug substrate has a concavity with which the projection engages in both top and bottom surfaces, and, after inserting the plug substrate into the sandwiching gap of the substrate sandwiching member, by sliding the plug substrate in a direction at right angles to the insertion direction, the concavity engages with the projection and the plug substrate is linked to the connector main body in an unremovable state. | 11-26-2009 |
| 20090262482 | IONIZER - An ionizer is formed by coupling a fan unit provided with a discharge electrode and a fan and a control unit provided with an indicator and an adjuster to each other, and both units are changeable between a normal coupling condition, where both are directed in the same direction, and an opposite coupling condition, where they are directed in opposite directions to each other, and in addition, a power/signal arrangement of the connection terminals of the separate connector is bilaterally symmetrical such that same power and signals ale transmitted and received between the separate connectors of both units connected to each other in either coupling condition of aforementioned both units. | 10-22-2009 |
| 20090236552 | Flow control valve - The present invention provides a flow control valve that requires only a relatively small opening/closing drive force, is compact and does not induce a pulsating flow in the valve open state. A valve seat ( | 09-24-2009 |
| 20090159765 | PISTON POSITION DETECTING DEVICE OF FLUID PRESSURE CYLINDER - A piston position detecting device includes a position sensor, a fixing screw for attaching the position sensor to an outer periphery of the cylinder tube through the intermediary of a sensor attachment bracket, a nut plate into which the fixing screw is screwed, and a protecting cover covering the position sensor and the fixing screw, wherein the position sensor and the protecting cover are able to be concurrently mounted to the cylinder tube using the fixing screw through the intermediary of a sensor attachment bracket by forming the nut plate from a portion of the protecting cover, and in addition, when the position sensor is position-adjusted, the position sensor and the protecting cover are enabled to be displaced together. | 06-25-2009 |
| 20090145489 | TEMPERATURE REGULATION METHOD AND SYSTEM FOR LOW FLOW RATE LIQUID - ABSTRACT A method and a system for controlling temperature of a liquid in small flow amount, for supplying a liquid whose temperature is highly accurately controlled, as a flow of a small flow amount or an intermittent flow. A liquid supplied from a supply path is pressurized and introduced into a circulation path, and is temperature-controlled by a temperature control device in the circulation path, while being circulated in the circulation path by a pump in the pressurized condition. The liquid is supplied to an exterior device through a discharge path caused to branch from the circulation path, as a consecutive flow in a small amount or an intermittent flow in a small amount in a flow amount less than at least ½ times the flow amount in the circulation path, by adjusting a discharge valve provided in the discharge path. | 06-11-2009 |
| 20090135538 | PIEZOELECTRIC TRANSFORMER TYPE IONIZER AND NEUTRALIZATION METHOD - With a piezoelectric transformer formed of a ferroelectric element which generates a high voltage in a secondary section upon application of an AC voltage to a primary section, ground electrodes are attached to upper and lower surfaces of the secondary section of the piezoelectric transformer via a dielectric sheet for insulation in tight contact therewith such that a dielectric barrier discharge occurs around the ground electrodes to generate positive and negative ions, and an air flow is injected from an air nozzle to flow toward a neutralized subject across the ground electrodes. | 05-28-2009 |
| 20090135537 | WIRE ELECTRODE TYPE IONIZER - An ionizer includes positive and negative wire electrodes each formed of a conductive wire with a circular cross section. The wire electrodes are arranged in parallel with each other, each having circumferential surfaces serving as a discharge surface on which a corona discharge occurs upon application of positive and negative high voltages for discharging positive and negative ions. | 05-28-2009 |
| 20090122511 | Switch mounting mechanism in fluid pressure device - The present invention provides a switch mounting mechanism that can be adopted with ease in conjunction with a compact fluid pressure device. A space ( | 05-14-2009 |
| 20090095930 | PNEUMATIC DEVICE CONTROL SYSTEM - A plurality of valve assemblies having a plurality of manifold valves assembled are electrically coupled in a row via lead wire assemblies to transmit a power signal for driving solenoids of the manifold valves in parallel from the valve assembly at a proximal side of the row to the valve assembly at a leading end side via the manifold valves of the valve assemblies and the lead wire assemblies. | 04-16-2009 |
| 20090020719 | LINEAR MOTION-TYPE GATE VALVE - A gate valve includes a valve plate for opening and closing a gas passageway, and an air cylinder and a shaft for linearly moving the valve plate between a main housing portion and a storage housing portion of a housing, and the air cylinder is arranged on the first lateral surface side of the housing in parallel with a moving direction of the valve plate, and the shaft is arranged so as to overlap with the valve plate in parallel with the moving direction. A tip end of the shaft is coupled with the valve plate at a position situated near a front end portion in the moving direction thereof. | 01-22-2009 |
| 20090007771 | AIR CYLINDER APPARATUS - An electromagnetic valve, a circuit board on which a control circuit for controlling the electromagnetic valve is mounted, and a cover for covering the electromagnetic valve and the circuit board are installed on a device-attaching surface of an adapter plate disposed at one end in a direction of an axial line of an air cylinder, in a manner so as to be housed within a surface area of the device-attaching surface, and an output port of the electromagnetic valve and a pressure chamber of the air cylinder are allowed to communicate with each other through an air through-hole provided in the adapter plate. | 01-08-2009 |
| 20090007769 | POSITIONING CONTROL MECHANISM FOR DOUBLE-ACTING AIR CYLINDER - Between an air source and a first pressure chamber of a double-acting main cylinder having a length measurement sensor for measuring an acting position of a piston, a supply solenoid valve is connected; between the first pressure chamber and the atmosphere, an exhaust solenoid valve is connected; and between a second pressure chamber and the air source, a stop solenoid valve is connected. When a target acting position of the piston is inputted into a controller, the controller moves the piston to the target acting position so that a position measured by the length measurement sensor agrees with the target position by on-off controlling the solenoid valves. Upon reaching the target position, the piston is stopped and held in the stopped state by confining air within the pressure chambers. | 01-08-2009 |
| 20090001636 | SHOCK ABSORBER - A cylinder chamber filled with a liquid, a piston disposed inside the cylinder chamber, a piston rod connected to the piston, and an accumulator allowing the piston rod to generate a damping force by receiving the liquid from a compression side of the cylinder chamber are included, and on an internal periphery of the cylinder chamber, one line of a helical damping groove is formed within a stroke range of the piston, a groove width of the damping groove is constant over the entire length of the damping groove, a depth of the damping groove gradually decreases along a spiral toward the direction in which the piston rod is pushed in, and a length of the piston in a direction along the axis line is smaller than a pitch of the damping groove. | 01-01-2009 |
| 20080308761 | TWO-PORT SOLENOID VALVE - A first cap is mounted at a movable iron core, a second cap holding a valve member is fitted to the first cap, capable of displacement, an biasing force F | 12-18-2008 |
| 20080308760 | SOLENOID VALVE - A solenoid valve that is constructed as follows: a cap is mounted on a movable iron core such that forward movement thereof is restricted; a pressing member is displaceably arranged between abutting seat surfaces of the cap and the movable iron core; biasing forces F | 12-18-2008 |
| 20080308759 | SOLENOID VALVE ASSEMBLY - A socket housing formed on the side of a solenoid valve body includes a socket thereinside connected with a coil of a solenoid operation section. A power feeding terminal box for holding a pin-shaped power feeding terminal connected with a power feeding line is housed in a terminal cover. Installation of the terminal cover on the side of the solenoid valve body causes the power feeding terminal to be electrically connected with the socket and at the same time the power feeding terminal box to be locked into a locking stopper formed inside the terminal cover, thereby allowing the terminal cover to be locked and held in place. | 12-18-2008 |
| 20080308756 | ELECTROMAGNETIC VALVE - A circular cap is slidably fitted upon an outer periphery of a tip end portion of a movable core. The movable core is biased in a direction to separate from a fixed core by means of a return spring via the cap. A tip end of a pushrod extending from a holding member for holding a valve element is allowed to be in contact with a tip end of the cap. A biasing force of the return spring is applied from the cap to the valve element via the pushrod when the movable core is separated from the fixed core by means of the return spring by demagnetization of an exciting coil, and the valve element is allowed to be in contact with a valve seat. | 12-18-2008 |
| 20080308162 | MANIFOLD-TYPE SOLENOID VALVE APPARATUS HAVING STOP VALVE - A plurality of solenoid valves are installed on a valve mount surface of a manifold base to receive a pressure fluid supplied from a supply passage of the manifold base via a supply communication hole. A stop valve base connected to a side surface of the manifold base has a stop valve mount surface formed on the upper surface to the side of the valve mount surface. The stop valve is attached to the stop valve mount surface to open and close the supply communication hole by pushing and pulling the stop valve from a side with the solenoid valve. | 12-18-2008 |
| 20080236805 | TEMPERATURE CONTROL DEVICE FOR LIQUID MEDICINES - In a temperature control device for liquid medicines provided with a flow path block having flow paths for liquid medicines at both of front and back surfaces, heat-transmitting plates respectively disposed at both of the front and back surfaces of the flow path block in a manner so as to face the flow paths, and thermo-modules for performing a cooling operation or a heating operation on the liquid medicines that flows through the flow path via the heat-transmitting plates, respectively, at least one ridge of mountain-shaped sealing projection portion surrounding a periphery of the flow path are integrally formed with the flow path block at sealing surfaces respectively surrounding the flow paths at both of the front and back surfaces of the flow path block, and the heat-transmitting plates are fixed to the flow path block in a state of pressure-contacting the sealing projection portion. | 10-02-2008 |
| 20080236387 | Piston assembly in fluid pressure cylinder - The piston | 10-02-2008 |
| 20080236383 | POSITIONING CONTROL MECHANISM FOR SINGLE-ACTING AIR CYLINDER - An electromagnetic operation-type automatic pressure-adjusting valve outputting an air pressure corresponding to an amount of electric power is connected in an air flow path connecting a pressure chamber of a single-acting main cylinder and an air source. A controller is configured to obtain a relationship between a position of a piston and an air pressure from a relationship between the position of the piston of the main cylinder and a spring force of a return spring, and a relationship between the air pressure supplied to the pressure chamber and an acting force applied to the piston by the air pressure. When a target position of a movement of the piston is inputted to the controller, the controller is operated to move the piston toward the target position and to stop the piston at the position by means of controlling the amount of electric power for the automatic pressure-adjusting valve so that an air pressure corresponding to the target position is outputted. | 10-02-2008 |
| 20080236381 | POSITIONING CONTROL MECHANISM FOR DOUBLE-ACTING AIR CYLINDER - Between an air source and first and second pressure chambers of a double-acting main cylinder having a length measurement sensor for measuring an acting position of a piston, a first supply solenoid valve and a second supply solenoid valve are connected, respectively, while between the first and second pressure chambers and the atmosphere, a first exhaust solenoid valve and a second exhaust solenoid valve are connected, respectively. When a target acting position of the piston is inputted into a controller, the controller moves the piston to the target acting position so that a position measured by the length measurement sensor agrees with the target position by on-off controlling the solenoid valves. Upon reaching the target position, the piston is stopped and held in the stopped state by confining air within the pressure chambers. | 10-02-2008 |
| 20080223466 | PILOT-OPERATED THREE-PORT VALVE - A pilot-operated three-port valve includes three ports, two valve seats that are concentric and opposite each other, a poppet-type valve member that is disposed between these two valve seats, and a pilot operating portion that opens and closes the valve member using a rod. Seat surfaces of the two valve seats and a first seal surface and a second seal surface of the valve member are flat. The valve member is attached to an end of the rod coaxially with the rod and so as to have a degree of freedom of inclination from the axis of the rod. | 09-18-2008 |
| 20080203339 | SOLENOID VALVE ASSEMBLY - A solenoid valve assembly includes a three-port solenoid valve and a solenoid-valve holder having the solenoid valve mounted thereon, so that the solenoid valve can be attached on a pneumatic instrument via the solenoid-valve holder. When the solenoid valve is mounted on the solenoid-valve holder, this solenoid-valve holder is provided with a plurality of flow paths that communicate with each port of the solenoid valve, connection terminals electrically and respectively connected to electrification terminals conducting with an exciting coil of the solenoid valve, and receiving terminals for connecting the connection terminals to terminals of external power, respectively. | 08-28-2008 |
