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WO/1984/002169 |
In a stop or switch valve of the type having a valve head (76, 78) mounted on a reciprocable valve rod (86) the bushing member (30) as guiding the valve rod is provided with a cylindrical recess (48), through which a cleansing or sterili...
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WO/1984/001445 |
A valve positioning mechanism, configurable as either a positioner or a converter, acts in response to a control signal supplied over a two-wire transmission line by a remotely-located controller, and provides a feedback signal over the ...
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WO/1981/002484 |
A leak detection apparatus (18) is provided in a pressurized assembly (10) to signal a loss of pressure or vacuum downstream from a source of pressure of vacuum. A rod (60, 160, 260) is carried on a valve (62, 162) and a diaphragm (38, 1...
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JP2013015160 |
To provide a ball valve with a flow rate measurement function arranging a ball valve body near an upstream side in a specific surface interval to allow upstream and downstream fluid pressures to be extracted in a stable state and capable...
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JP2013007431 |
To alleviate burdens on hands and fingers at the operation of a handle, to easily read valve-related information in a state precisely associated with a corresponding valve, and to enhance workability at the display of the related informa...
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JP2012255746 |
To diagnose the presence/absence and state of cavitation while reducing time and efforts required for preparing data.A cavitation diagnosis apparatus comprises a diagnostic coefficient calculation section 7 which calculates a diagnostic ...
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JP2012251656 |
To provide an emergency cut-off valve device capable of easily resuming water supply in case of power failure, introducing the device at low cost, and reducing workloads in resetting work and maintenance.The emergency cut-off valve devic...
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JP2012249735 |
To provide a flowing water detector in which a signal stop means for preventing switch activation during inspection and maintenance is feasible through a simple operation, and in which accidental signal output during maintenance can be p...
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JP2012246964 |
To provide an on-off valve, in which an opening and closing state of the valve is visible on a side face thereof in various directions.The on-off valve 20 with an aperture indication function includes a handle 100 and an aperture indicat...
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JP2012247068 |
To provide an electric valve actuator which allows easy execution of a setting value modification operation without needing a special connector and its storage mechanism.This actuator includes: a first operation selector switch 21 which ...
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JP2012247046 |
To provide a float type steam trap capable of setting or confirming upper and lower parts of a float valve from an external part in no uncertain manner, and capable of performing exact plumbing while maintaining proper appearance of a fl...
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JP2012241768 |
To provide an automatic switching valve suitable for predicting maintenance timing by always obtaining mechanical wear state while accurately obtaining the operation of the valve element.This automatic switching valve includes a valve el...
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JP2012237349 |
To change a valve open state of a rotary valve without including a particular driving mechanism, and to fix the rotary valve in a desired state.The rotary valve 1 includes: a body 2 including a collision plate 2b with which fluid collide...
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JP2012219925 |
To provide a technique capable of accurately managing diaphragm replacement timing in a fluid controller by a simple structure, and easily adaptable even with respect to an existing fluid controller.The fluid controller includes: a valve...
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JP2012217777 |
To provide a flowing water detector which achieves to provide both a terminal box in which a flowing water detecting part is housed and a cover for closing an opening on the front side.The flowing water detector includes the flowing wate...
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JP2012207745 |
To ameliorate vulnerabilities when a supply electric current is inadequate, while exhibiting high functionality.The range (0-20 mA) of electric currents that can be assumed by a supply electric current is categorized into a plurality of ...
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JP2012207694 |
To reduce time and effort required in preparing data, and to achieve high-precision cavitation diagnosis.This cavitation diagnosis device includes: an upstream side fluid pressure detector 4 detecting a fluid pressure P1 at an upstream s...
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JP2012207731 |
To visually confirm a switching state even if a stroke amount of a plunger in a switching valve is small.This switching display device 30 for displaying the switching state of the plunger 22 which can switch a state that the plunger is a...
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JP2012202508 |
To provide a pressure control device that can be equipped with functions of a pressure sensor and relief valve without causing increase of the number of parts and increase of the size thereof.This pressure control device includes: a sens...
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JP2012202539 |
To control progress of wear caused by collision between a seal ring and the wall of a passage when a valve is opened as well as progress of wear caused by sliding friction between the seal ring and the wall of a passage after collision, ...
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JP2012197938 |
To provide a valve device monitoring system capable of precisely and telemetrically monitoring a kinetic load applied to the valve device.A semiconductor substrate 2 having a bridge circuit composed of a plurality of impurity diffusion r...
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JP2012189212 |
To prevent relative motion due to wear between a rod end bearing arrangement and coupling of a stud, in the rod end bearing arrangement of a steam valve position indication system.A position indication system for measuring a position of ...
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JP2012185145 |
To provide a measuring apparatus which detects a change in an interval with a rod body using a non-contact distance sensor and, based on it, measures the operation state of a rod body.The operation state of a rod body is measured based o...
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JP2012180936 |
To provide a method for predicting whether or not a motor-operated valve installed in a plant can exert a capability of satisfying design conditions in the next operation.The method for predicting operational performance of a motor-opera...
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JP2012172760 |
To provide a compact and inexpensive flow control unit, capable of stably supplying and returning fluid used for sheet cleaning at a constant flow rate.The flow control unit 1 includes: a supply valve 31 for conducting or interrupting th...
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JP2012167732 |
To provide a portable solenoid valve operation display device with high visibility, which enables a user to easily check operation of a solenoid valve.The portable solenoid valve operation display device includes: a housing 2 which is fo...
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JP2012166197 |
To provide a valve discharge apparatus and dryer for food and drink treatment system having the same.The dryer includes a drum section with an input port and an exhaust port. On the drum section, there is disposed an agitating screw incl...
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JP2012160102 |
To provide a pressure regulator having an adiabatic compression prevention mechanism and a pressure instruction mechanism.A pressure regulator A includes an adiabatic compression prevention mechanism B and a pressure instruction mechanis...
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JP2012154477 |
To provide a gate valve capable of securing high sealing performance by preventing the rattling of a valve element while preventing the rotation of a stem, to prevent damage to a sealing surface between the valve element and a valve seat...
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JP2012149751 |
To provide a valve device capable of accommodating by one valve even if fluid pressure on a primary side fluctuates widely.The valve device includes a valve 2 and a rotation control part 20 for causing an inner cylinder 10 to rotate. The...
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JP2012136828 |
To provide a faucet capable of recognizing the detection state of a human sensor in advance of water discharge, so as to prevent wetting of clothing or scald due to sudden water discharge.A human sensor 19 is disposed at the tip of a wat...
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JP2012132196 |
To provide a vacuum valve structure which allows for easy attachment of an opening/closing detection sensor.A vacuum valve structure comprises a connection pipe 12 which has an internal valve seat 15 and is connected midway of a vacuum s...
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JP2012132554 |
To improve detection accuracy of the stroke amount of a rod 4 by reducing a difference in the output value of a stroke sensor caused by the shaft swing width of the rod 4 of an actuator, i.e., a difference in swing width of a magnetic mo...
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JP2012132171 |
To provide a faucet device that changes the color of light to be emitted to discharging water according to temperature so that a user can more safely use the faucet device.In a faucet device, the temperature of discharging water is chang...
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JP2012127364 |
To provide a lift valve in which the position of a valve element can be detected optically in succession.A fluid control valve includes: a light emitting part 22 which emits light; a light receiving part 24 which is provided to face the ...
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JP2012127432 |
To provide an operation state detecting device for a steam trap having a sensor unit capable of precisely detecting a using steam pressure of steam pipework where the steam trap is arranged.The sensor unit 18 is constituted of an attachi...
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JP2012122506 |
To prevent a magnetic sensor from detecting incorrectly as dust such as a chip produced in a hollow pipe-shaped part of a worm wheel in a pipe shape is dispersed from another side of the pipe-shaped part.At a rotation center part of the ...
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JP2012102804 |
To provide a flow rate regulating valve device with a good sense of use which has attained constant discharge performance by absorbing the accumulation of manufacturing error and assembly error of components and keeping constant the leng...
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JP2012102883 |
To provide a method of detecting an amount of displacement of a worm shaft, for accurately detecting the amount of displacement of the worm shaft displaced in a shaft direction according to input torque to an electrically operated valve,...
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JP2012088130 |
To provide a valve positioner capable of coping with a failure or the like, which exhibits high reliability.An abnormality detection means detects an abnormal condition in a second displacement sensor on the basis of a second signal. A c...
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JP2012064341 |
To provide a switchgear remote operation system which reduces the number of wires between an opening/closing section of an electrically controlled switchgear and a control unit for remote controlling it and also incorporates a reduced ca...
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JP2012058807 |
To enable inoperative flowing water control and pressure adjusting control that are high in accuracy and stable, and a flowing water detecting signal to be reliably output.A flowing water detector 10 is provided in the middle of piping, ...
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JP2012058806 |
To enable inoperative flowing water control and pressure adjusting control that are high in accuracy and stable.A flowing water detector 10 is provided in the middle of piping, opens a main valve 24 due to reduction of a secondary side p...
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JP2012052652 |
To provide a cutoff valve control system whose component failure can be diagnosed and predicted accurately by an operation test during setting.The cutoff valve control system includes: a determining means (7) for determining whether the ...
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JP2012047319 |
To easily mount and dismount an manual valve without disassembling the same.A device for detecting a valve opening and closing state has a displacement unit abutting on a valve rod of the manual valve moving by the rotation of a handle f...
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JP2012047279 |
To provide a valve opening and closing state display device that can discriminate an opening and closing state of a valve at present, and can discriminate whether the valve should be opened or closed.A valve opening and closing state dis...
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JP2012041823 |
To provide a valve device of a steam turbine that reduces manufacturing cost of the steam turbine and improves the efficiency, even when high temperature and high pressure working fluid is used.The device includes: a first valve casing 1...
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JP2012026576 |
To provide a monitoring system of a valve device that can precisely and remotely monitor a dynamic load acting on the valve device.A semiconductor substrate having a bridge circuit constituted of a plurality of impurity diffusion resisto...
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JP2012026484 |
To provide a check valve unit which can detect a failure of a check valve with a simple constitution.The check valve unit 50 includes: a valve body 54 including an inflow part 51 to which a fluid flows in, an outflow part 52 from which t...
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JP2012013179 |
To prevent a magnetic flux of a magnetic field from leaking to the surrounding area, wherein the magnetic flux of the magnetic field is emitted from a magnetic moving body, particularly, a magnet, and thereby, to prevent decrease in the ...
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