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JP2012011041 |
To provide an operating valve type flowing water detector applicable also to a large bore without energizing a valve element in an opening direction.The flowing water detector includes a detection rod displaceable while being engaged wit...
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JP2012002668 |
To prevent assembly errors of a common connector to a plurality of sorts of electromagnetic valve units by a comparatively simple constitution.A plurality of electromagnetic valves 21, 22 are constituted so as to be attached to a common ...
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JP2012002256 |
To provide a valve driver capable of detecting abnormality (failure) in opening/closing a valve by means of a switch-type valve opening sensor using a magnet and a magnetic detecting part.A final gear 3 and a magnet 4 are separately join...
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JP2012002235 |
To provide a control device for a flow rate control valve, for accurately learning the neutral position of the control valve with a simple configuration.The control device for a flow rate control valve includes: an actuator 12; a working...
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JP2011256975 |
To achieve a constitution capable of suppressing pressure loss from increasing without lowering cooling capacity and without causing complexity of a mechanism, concerning a check valve device arranged in a piping where gas is passed whos...
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JP2011255058 |
To provide a water flow detector based on a new-type water flow pressure differential valve that is also applicable to the water flow detector used in water supply piping with a relatively large caliber.The water flow detector includes a...
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JP2011257252 |
To provide a thrust/torque sensor for a valve which detects a thrust and torque of a motor-operated valve at the same time.A thrust/torque sensor 4 interposed between an electric device and a valve body includes an internal annular part ...
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JP2011247352 |
To provide a locking structure of a valve which can maintain a set flow by preventing a valve element from moving.The locking structure C of a valve which is attached to a flow controllable valve 1 includes a body part 7 in which a flow ...
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JP2011241895 |
To provide a flow rate adjusting valve that can hold a needle valve in a lock release position without making a lock nut corotate together with the needle valve even if the needle valve is turn-operated by releasing a lock at flow rate a...
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JP2011243217 |
To provide a technique for increasing a degree of freedom of design of a vacuum control valve having a shutoff function.This invention provides the vacuum control valve 30 which is connected between a vacuum vessel and a vacuum pump and ...
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JP2011231804 |
To carry out rigid and stable attachment of a valve rod cover of a fixed length or a multiple telescopic type protecting a valve rod without carrying out special machining modification or changing work to an existing valve rod.A connecti...
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JP2011231912 |
To provide a ball tap device which can detect the abnormality of ball tap with a simple construction.The ball tap device includes: two electrodes 28 and 30 which are arranged with a space in a surface of float 20 of ball tap 14; and an a...
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JP2011226609 |
To facilitate installation work by reducing valves and pipes provided in a body valve.A stream sensing apparatus is provided halfway along piping, opens a main valve by reduction of a secondary side pressure to supply pressurized water, ...
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JP2011220451 |
To provide a pulse driving device of a motor-operated valve which can prevent failure of the motor-operated valve, by issuing an alarm in response to an operation state, by accurately grasping the service life of the motor-operated valve...
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JP2011220479 |
To provide a device for confirming an opened/closed state of a valve, allowing fully opened or completely closed state of a valve to be accurately and visually confirmed when various types of valves provided in fluid conveyance pipes, re...
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JP2011220461 |
To provide an electric actuator that properly operates a reset switch without being affected by lubricant, and facilitates operation with reduced torque even when manually operated.The electric actuator includes: a support plate 4 arrang...
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JP2011220359 |
To provide a fluid control valve equipped with a valve opening sensor for detecting valve opening, to improve assembling workability at a low cost.A chemical valve 1 includes a sensor cover 70 having an internal space 70S formed for hous...
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JP2011214602 |
To provide a flowing water detecting device which facilitates work of machining opening inside equipment.A valve body 52 is formed with a vertically open internal flow path and a lateral opening 68 for machining, and a valve seat fitting...
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JP2011208799 |
To provide an abnormal discharge alarm device available in a steam trap installed in a pipeline of a steam system.This abnormal discharge alarm device includes a power generation component and a control circuit. The power generation comp...
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JP2011208727 |
To provide an opening measuring device easy to install in an existing running water adjustment device, and accurately adjusting the running water adjustment device by accurately measuring the opening of an opening/closing member which op...
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JP2011202765 |
To prevent projection of an end of an operation handle outside a casing and erroneous operation of a ball valve.The gas shut-off valve device 1 having a ball valve element 7 rotatable between an open position opening a gas flow path and ...
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JP2011200361 |
To monitor the state of water discharge switched from advance-notice water discharge to full water discharge when an automatic valve device is actuated.The tunnel water spray system includes the automatic valve device 10 including an aut...
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JP2011200360 |
To provide a flowing water-detecting apparatus capable of checking the inside of the apparatus simply and easily.A flowing water-detecting apparatus 30 includes a check hole 68 in a valve body 52, and it is closed with a detachable check...
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JP2011190821 |
To provide a control valve having a compact and inexpensive position detection structure of a control valve for detecting a current position thereof.A slider 28 moves from a fully closed position of a spool 24 to an intermediate position...
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JP2011179480 |
To provide a cooling device for an internal combustion engine capable of improving accuracy in measurement of the temperature of a cooling liquid by arranging a temperature sensing tip part of a temperature sensor at a position where the...
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JP2011169211 |
To provide a thermostat device to be mounted on a vehicle (at its engine etc.), embodied in a simple structure using a minimum necessary number of component parts and capable of enhancing the assembling easiness etc.The device is equippe...
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JP2011169383 |
To provide a steam valve device and a steam turbine power generation apparatus capable of ensuring and maintaining the steam flow consistency in a flow passage formed between a valve element and a valve seat in an opening/closing process...
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JP2011163372 |
To provide a fluid control device which makes opened/closed state thereof visible in simple constitution.The fluid control device 1 includes a body 2 including a fluid passage; a casing 3 provided above the body 2; a valve element 5 open...
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JP2011158009 |
To provide a valve opening measuring tool easy to carry and capable of easily measuring a valve opening without calculation.The valve opening measuring tool includes a rod like member 2 capable of being carried and capable of being appro...
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JP2011153703 |
To provide a multi-stage expandable type valve rod cover coveringly protecting a projectingly arranged and protruding/retracting valve rod of an industrial valve securing intrinsic safety, visibility and long-term maintainability by maki...
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JP2011154433 |
To provide a compact fluid controller by combining a valve with a limit switch.A valve 6 has a projection part projecting from an opening of a casing 21, and has a piston 26 as a moving member linearly moving according to opening/closing...
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JP2011149552 |
To provide a mixing valve for suitably mixing to discharge two or more fluids.The mixing valve includes: a main body on which a first inflow pipe the upper surface of which is opened and into which a first fluid flows is formed; an induc...
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JP2011133043 |
To make it easy to read an opening when attached to piping.The opening and closing valve 20 with the opening display function includes a valve casing 22, a closing member 24, a valve lid 26, a penetrating rotary shaft 28, a cup-shaped ha...
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JP2011134183 |
To provide a technique for easily mounting a suppressing technique of swirling of particles which is caused in the vacuuming process of a vacuum container.The vacuum control valve 100 includes a flow passage 140 including an upstream flo...
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JP2011133092 |
To provide a valve mechanism easy in adjusting pressure.In the valve mechanism, a valve sleeve 62 and a valve plunger 63 move inside a valve holder 61 by the drive of a power unit. When the valve sleeve 62 and the valve plunger 63 are at...
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JP2011127629 |
To provide a valve device, facilitating maintenance work, simplifying sealability test after replacing parts, preventing intrusion of foreign matter such as abrasion powder generated from a transmission member into a fluid, and further e...
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JP2011122714 |
To solve a problem wherein it is difficult for another operator to determine the opening degree of a valve body or the closed state of the body because the opening/closing degree of the body is only adjusted by operator's intuition or th...
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JP2011122696 |
To provide a drain device for an air tank automatically draining water when water in a prescribed amount or more is accumulated in the air tank, and draining water manually.A solenoid valve 2 is provided for detecting that condensed wate...
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JP2011117499 |
To provide a piezoelectrically driving valve and a piezoelectrically driven flow volume control apparatus capable of controlling even a fluid with a temperature exceeding a use range temperature of a piezoelectric actuator.The piezoelect...
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JP2011118880 |
To provide a pressure control apparatus for a supercritical fluid in which pressure fluctuation is small even in measurement which temporally varies analysis conditions for the purpose of separation improvement etc.The pressure control a...
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JP2011099489 |
To enable manufacture at low cost and easily by reducing the number of parts to simplify assembling work, as for a gas pressure detecting plug in which a valve body (36), a coil spring (33) which energizes the valve body (36) in a valve-...
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JP2011099556 |
To provide a device for detecting the opened/closed state of a valve capable of surely detecting the fully opened and/or closed state of the valve.The device for detecting the opened and closed state of the valve includes an electronic t...
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JP2011085161 |
To provide a method, device and program for diagnosing the soundness, in short, the progress of deterioration or the occurrence of abnormality, of a motor-operated valve device driven by a direct-current machine.The method includes: an e...
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JP2011085187 |
To allow short and easy maintenance of a butterfly valve being used for a condenser cooling water pipe.The butterfly valve includes a torque sensor 27 for detecting torque when a valve seat of a valve element 11 abuts on the valve box se...
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JP2011080547 |
To provide a valve with sensor, which can respond to a plurality of optical sensors differed in optical path by one valve.In the valve with sensor 1 capable of confirming an opening/closing state of the valve by detecting a location of a...
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JP2011081759 |
To provide a means that facilitates detecting the cause of water leakage from a valve having a sealing part against an external environment, such as a pressure-reducing valve, a relief valve, a solenoid valve, a mixing valve, a switching...
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JP2011074935 |
To easily calibrate real opening converting characteristics.A range of rotation angle of a driving shaft 2-3 corresponding to a range of operation opening of a valve element 1-2 inside of a valve body 1, to which an actuator 2 is to be f...
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JP2011074933 |
To easily calibrate a real opening converting characteristic in the field.A driving shaft 2-3 is rotated in the closing direction till a stopper 4 abuts on a closing directional rotation regulating part 1-5, and output of a potentiometer...
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JP2011060269 |
To facilitate constructing a system for monitoring an operation state of valves using wireless communication.The operation state monitoring system for valves is structured, wherein each of multiple steam traps 1 constituting a manifold 3...
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JP2011052748 |
To provide a valve opening/closing display device appropriately displaying the opened/closed state of a valve at that time from the top face side even when an rotating handle is rotated in a range of 360° or more.The valve opening/closi...
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