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US20110240136 DYNAMIC SELF-CHECKING INTERLOCK MONITORING SYSTEM  
An interlock monitoring system includes a magnetic proximity sensor within a poppet valve type coupler to detect whether the poppet valve is opened or closed. An open poppet valve indicates a...
US20100294373 COMPACT VALVE POSITION INDICATOR  
A system for indicating the status of a valve may include an encapsulation with electronic circuitry disposed at least partially therein, a communication sub-system, a sensor, an indicator and a...
US20110290332 Rotary Valve Position Indicator Device and Method for Indicating the Position of a Rotary Valve  
A rotary valve position indicator utilizes a magnet keyed to a shaft, and a magnetic field sensor mounted beside the magnet, to indicate the angular position of the shaft. A magnetic pole sensor...
US20150159459 BLOWOUT PREVENTER MONITORING SYSTEM AND METHOD OF USING SAME  
A blowout preventer for sealing a tubular of a wellbore is provided. The blowout preventer has a housing having a bore therethrough for receiving the tubular, at least one ram slidably...
US20060174948 Valve spool position sensor  
A hydraulic valve includes a housing having a valve bore therein. A sensor bore intersects the valve bore and extends generally transverse with respect to the valve bore. A valve spool is movable...
US20120273048 TUBE DISLODGEMENT DETECTION TECHNOLOGY FOR SOLENOID ACTUATORS  
The presence of, absence of, or characteristics of, flexible tubing within a solenoid actuator valve may be determined by calculating the approximate amount of work performed by the solenoid...
US20080202608 Hydraulic valve with spool position sensing assembly  
A hydraulic valve includes a valve body, a valve spool that is movable relative to the valve body for controlling fluid flow through the valve body, and a spool return assembly for biasing the...
US20140053924 VALVE CONTROL FOR FLUID SYSTEM  
A valve control for a fluid system is provided. The valve control includes a body, a handle, a flange, a mounting bracket, and a sensor. The body is configured to be releasably connected to a...
US20060032536 Distribution valve monitor and distribution valve incorporating same  
A distribution valve monitor to monitor the operation of a distribution valve of the type having an inlet and a plurality of outlets, which couples the outlets to the inlet according to a desired...
US20150107675 VALVE WITH ACTUATOR DIAGNOSTICS  
A system for detection of degradation of a valve mechanism by measuring, for example, the time between powering an actuator and opening of the valve or the time between un-powering the actuator...
US20080087334 Device for conversion of valves to supervised valves  
A device for converting a valve to a supervised valve is disclosed. The device includes a housing in which a coupling member is movably mounted. The coupling member is engageable with the...
US20140096850 VISUAL INDICATOR FOR A SAFETY SHUT OFF VALVE  
A valve assembly may have a visual valve position indication mechanism that is non-invasive relative to the body of the valve containing the fluid whose flow is controlled by the valve assembly....
US20080289487 HYDRAULIC DISTRIBUTOR PROVIDED WITH A DEVICE FOR DETECTING SEIZING  
The present invention relates to a hydraulic distributor (2) of a servo-control (1) of an aircraft, the hydraulic distributor comprising main distributor member (10) and emergency distributor...
US20120298891 TUBE CONSTRICTION VALVE  
A tube constriction valve has a valve body (1) with an approximation sensor (3) and a clamping bolt (2) that squeezes the tube inside the valve body (1). The approximation sensor (3) detects the...
US20150075651 SELF SETTING AND STABILIZED SWITCH TARGET  
Apparatus includes a spindle having an outer surface configured with a surface finish that has openings/grooves, the outer surface also having an outer diameter; and also includes a switch target...
US20070079879 Valve with increased dynamic response  
A valve (1) comprises: a body (2); a bushing (3) slidably mounted on said body; a valve spool (4) slidably mounted on said bushing; said bushing and spool having respective control edges (5) that...
US20090273482 VALVE ALARM  
A valve alarm for use with a valve having an open position, a closed position, and a knob is provided. The valve alarm includes a handle having a knob seat receivable about the knob, and a body...
US20060008371 Fluid lifting system  
A fluid lifting for a lifting a geological fluid from a formation via a well while limiting environmental impact is provided. The fluid lifting system includes an assembly that is adapted to be...
US20120204979 MULTI-CHANNEL STEPPED MOTOR OPERATED GAS ADJUSTING VALVE  
A multi-channel stepped motor operated gas adjusting valve includes a valve shell, a reduction motor, a locator, a gas flow distributor and a locator rotation angle detecting mechanism. The gas...
US20140182686 Continuous Magnetic Motion Position Indicator  
A continuous magnetic motion position indicator detects the position of a clapper valve. The clapper valve comprises a valve body and, disposed within the valve body, a clapper and a valve stem....
US20070119505 Piezoelectric valve  
A motorized valve has a hollow case having an input and output tubes, a saddle connected with the hollow case, a turn plug cooperating with the saddle, and a piezoelectric drive to turn the turn...
US20140033876 AUTO CYCLE PUMP AND METHOD OF OPERATION  
A hydraulic flow sensing apparatus is provided. The apparatus includes: a manifold; a hole in the manifold in fluid communication with a fluid pathway; a poppet valve in the hole in the manifold...
US20110132687 METHOD AND APPARATUS FOR PURGING AIR FROM AUTOMATIC LUBRICATION SYSTEMS  
An automatic lubrication system where grease is dispensed to injectors from a pump having a grease piston (42) reciprocated by a connecting rod from an oil piston (43) driven by alternating...
US20140374125 FLOW CONTROL ASSEMBLY FOR A FIRE SPRINKLER SYSTEM  
A flow control assembly for a fire sprinkler system includes a valve housing having an inlet opening and an outlet opening. The valve housing defines a fluid flow path that extends between the...
US20050087235 Sensor assembly, system including RFID sensor assemblies, and method  
A system comprises a valve; a plurality of RFID sensor assemblies coupled to the valve to monitor a plurality of parameters associated with the valve; a control tag configured to wirelessly...
US20070209716 Connection State Sensing for Coupling Device  
A coupling device includes a main body defining a fluid flow passage, and a valve member moveable between an unconnected state and a connected state. The coupling device also includes a magnet...
US20090107566 Fluid power valve arrangement with at least one solenoid valve  
A fluid power valve arrangement (10) with at least one solenoid valve (10) whose solenoid (14) is connected or able to be connected via only two control lines (11 and 12) with an electrical...
US20050011556 Spool position detection for a hydraulic valve  
A position sensor senses the position of an article that moves over a short predetermined path. The position sensor is contained in a housing which is mounted in a fixed location adjacent the...
US20150167861 DETECTION OF A PLUNGER POSITION IN AN IRRIGATION CONTROL DEVICE  
Some embodiments provide irrigation valve control apparatuses comprising: a solenoid configured to cooperate with a plunger; an input stimulus source coupled with the solenoid and configured to...
US20110180165 Non-Magnetic Latching Servo Actuated Valve  
A non-magnetic latching servo actuated valve under the control of a controller comprising a motor in rotational communication with a lead screw. The lead screw advances or retracts a valve stem...
US20080053537 Check valve assembly including position indicator and method of operation  
A check valve assembly including a position indicator and method of operation, wherein the position indicator indicates the position of at least one of a plurality of flappers. The valve assembly...
US20080257428 ACTUATING DRIVE  
The disclosure relates to an actuating drive for control of an actuating element for automation in process installations. An exemplary actuating device drive for control of an actuating element...
US20080264498 Valve with Sensor  
A valve is provided according to one embodiment of the invention. The valve comprises a piston (104), a housing (106) surrounding the piston (104), an inlet (108) capable of allowing fluid into...
US20060081294 Pressure regulator with integrated flow switch  
A pressure regulating valve with an integrated flow switch to sense when full flow has been achieved through the regulator includes a valve housing, a control member, a movable setting member, a...
US20050247350 Direct drive servovalve device with redundant position sensing and methods for making the same  
A direct drive servovalve device includes (i) a servovalve motor having a stator and a rotor assembly configured to rotate relative to the stator, (ii) a valve member coupled to the rotor...
US20150000761 GAS LIFT PLUNGER  
Gas lift plungers and methods are provided. The gas lift plunger includes a body including a first end, a second end, a valve seat extending from the first end, and a bore extending between the...
US20060272712 VALVE WITH END POSITION SWITCHING  
For detecting closing or opening of a valve activated preferably by a solenoid actuator, a switch activated by a tappet spring mounted on an armature of the actuator is provided. A stop and an...
US20090306830 Control Valve System with Cycle Monitoring, Diagnostics and Degradation Prediction  
A valve body has an elongated bore in communication with an inlet port and an outlet port. A valve element is movable within the bore between deactuated and actuated positions. A valve sensor...
US20080092960 VALVE SYSTEM WITH POSITION SENSOR  
A valve system has a valve housing, in which at least one valve element is displaceably guided. At least one magnetic field sensor is provided to detect the position of the valve element, which is...
US20060122565 Switch structures or the like based on a thermoresponsive polymer  
Briefly, in accordance with one embodiment of the invention, a switch structure or the like such as a valve, motor, or optical switch, may be constructed based on a thermoresponsive polymer. At a...
US20140238512 Smart Valve  
A valve assembly including an actuated valve and a sensor module is disclosed. The actuated valve includes a body defining a chamber, a first fluid port coupled to the chamber, and a second fluid...
US20090071554 ROTATABLE SHAFT POSITION INDICATOR  
In some embodiments, a rotary shaft position indicating and display apparatus for use with a device having a rotatable shaft may include one or more of the following features: (a) a housing having...
US20080156121 DEVICE AND SYSTEM FOR MONITORING VALVES  
The invention relates to a network system for monitoring valves in a facility, which comprises: (a) a plurality of valve monitoring devices—VMDs, each monitoring device is affixed to a valve, and...
US20150034186 Actuating Device for Actuating Valves  
An actuating device (4) for actuating valves, having a spindle (5), wherein the actuating device is designed as a hand wheel (4) with a locking element (32) and with an electric feedback device...
US20150232289 AIR FLOW LIMITER WITH CLOSED/OPEN SENSING  
Method and apparatus for air flow regulation comprise a vertically oriented tube, a sail assembly positioned in the tube and moveable therewithin responsively to air flow through the tube to...
US20150219242 Relief Valve with Position Indication  
A surge relief valve includes a piston housing and a piston located within the housing for reciprocal motion. The surge relief valve also includes a position sensor to resolve the axial position...
US20130092863 VALVE CONTROL DEVICE  
The present invention relates to a valve control device (1) having a housing (2) which has a vacuum chamber (3) and an atmospheric pressure chamber (4) which are separated from one another in a...
US20140116542 DEVICE FOR INDICATING THE POSITION OF A VALVE SPINDLE  
Provision is made of a device for indicating the position of a valve spindle of a valve. The device comprises a valve spindle which can be shifted between a first position and a second position,...
US20050279413 Flow control switch  
A flow control switch comprises a base, having a passageway and a chamber; a valve body, placed between said passageway and said chamber; an inner cover, fastened to said base on an upper side...
US20070246015 Solenoid-operated valve with coil for sensing plunger position  
A valve has a plunger that is moved by an actuating solenoid. The actuating solenoid surrounds a large diameter segment of the plunger. A smaller position sensing coil surrounds a smaller diameter...
Matches 1 - 50 out of 109 1 2 3 >