| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137553000 | Position or extent of motion indicator | 87 |
| 20080202607 | Port integrated within valve stem - A valve body defines a fluid passage and a valve sealing body is positioned there. The valve sealing body is operable between open and closed positions which allow for fluid-flow and non-flow, respectively. The valve stem has a free end and an engagement end where the engagement end engages the valve sealing body so that rotation of the valve stem operates the valve sealing body between the open and closed positions. A measurement passage is defined through the valve stem from the free end to the engagement end. The measurement passage is in fluid communication with the fluid passage when the valve sealing body is in the open position, and at least one sealing member is positioned within the measurement passage. | 08-28-2008 |
| 20080264497 | Valve position indicator - A position indicator ( | 10-30-2008 |
| 20090120515 | FLOW RATE MEASUREMENT VALVE - A flow rate measurement valve calculates the flow rate of the fluid flowing in a valve body from the differential pressure of the fluid pressure in a flow route upstream from a valve element arranged in the valve body and the fluid pressure in a flow route downstream from the valve element. The downstream fluid pressure is detected without the influence of dynamic pressure by detecting the pressure of fluid stopped in a fluid stagnation part formed in part of the flow route downstream from the valve element. The downstream fluid pressure is measured through a downstream fluid pressure conduction route that passes through an inner peripheral surface of the valve body facing the fluid stagnation part and an outer peripheral surface of the valve body where a downstream fluid pressure detection means is mounted. | 05-14-2009 |
| 20090145499 | ACTUATING DRIVE WITH A POSITION TRANSMITTER - The disclosure relates to an actuating drive having a position transmitter for control of an actuating element with a position in a process installation. The position transmitter is equipped with a rotary measurement system whose pivoting range is mechanically limited, with the rotary measurement system having a shaft which is connected to a pick-up lever in an interlocking and unconfusable manner, which pick-up lever is articulated by means of the actuating drive or the actuating element. The shaft and the rotary measurement system are connected to one another via a slipping clutch. Markings are arranged isoazimuthally with respect to the rotation axis of the shaft, on the shaft circumference, and include angle information about the angle of the marking position with respect to the pick-up lever. The digital position transmitter has a sensor system for identification and evaluation of the markings. The slipping clutch has hysteresis. | 06-11-2009 |
| 20100006162 | Coupling Device - An assembly for estimating consumption of a fluid includes a coupling device enabling fluid flow, a carrier assembly slidingly coupled to the coupling device, a biasing mechanism positioned between the coupling device and the carrier assembly, and a displacement sensing mechanism including a sensor coupled to one of the coupling device and the carrier assembly, and a magnet coupled to the other of the coupling device and the carrier assembly. The displacement sensing mechanism is configured to sense a displacement of the magnet relative to the sensor due to coupling of a fluid source to the coupling device. | 01-14-2010 |
| 20100084029 | APPARATUS TO DETERMINE A POSITION OF A VALVE - Methods and apparatus to indicate a position of a valve are described. An example position indicator apparatus includes a follower operatively coupled to a flow control member of a valve to sense a displacement of the flow control member. The example apparatus further includes a status indicator to provide an indication that corresponds to the displacement of the flow control member to determine one of a plurality of predetermined operational positions of the valve and a visual display to cooperate with the position indicator to indicate a position of the valve corresponding to one of the plurality of predetermined operational positions of the valve. | 04-08-2010 |
| 20100089473 | Method for checking the operability of an actuator - A method of checking the operability of an actuator is provided. The actuator includes a control valve adjustable via an actuating drive by an actuating element, a position sensor detecting the actual position of the actuating element, and an electropneumatic position controller creating a pneumatic controlled variable depending on an actual position and a target position. The target position is provided to the actuating drive via an activated magnetic valve. The actuating element is moved over a section of an adjustment path for an execution of a partial-stroke test of the actuating element, the adjustment movement being detected. The magnetic valve is deactivated for a short time such that the actuating element is moved over only a section of the adjustment path. To facilitate the monitoring of the operability of the actuator, the partial-stroke test and the test of the magnetic valve are performed in a single test sequence. | 04-15-2010 |
| 20110174399 | APPARATUS FOR THE WIRELESS REMOTE MONITORING OF COVERED FLOATING STORAGE TANK ROOFS - An apparatus for the wireless and remote monitoring of covered floating storage tanks monitors roof position, flexure, fires and the presence of vapours or liquids from water, hydrocarbons or other chemicals. The apparatus relies upon on one or more encapsulated intelligent sensor units and communication units. The sensors are deployed on the floating roof of a storage tank and the communication units are deployed near the top wall of the floating roof storage tank or on the fixed roof of the tank. | 07-21-2011 |
| 20110203685 | APPARATUS TO DETERMINE A POSITION OF A VALVE - Methods and apparatus to indicate a position of a valve are described. An example position indicator apparatus includes a status indicator to provide an indication that corresponds to a displacement of a poppet relative to a seat ring of the fluid valve to determine one of a plurality of predetermined operational positions of the fluid valve. A follower is coupled to the poppet to follow movement of the poppet between the plurality of predetermined operational positions of the fluid valve. A coupler operatively couples the status indicator and the follower. | 08-25-2011 |
| 20120211098 | Ball Valve with Integrated Cam Operated Internal Microswitch - A ball valve includes a valve housing that has a main passage defined therein and a valve assembly that includes a valve body, which is movable within the main passage between open and closed positions, and a valve stem that fixedly engages the valve body. A handle is disposed on the valve housing that is connected to the valve stem and is operable to rotate the valve body between the open and closed positions via the valve stem. A switch is disposed within the housing, which operatively engages the valve assembly and is configured to transmit a signal to an operator's station regarding the position of the valve body. | 08-23-2012 |
| 20130180608 | Visual Position Indicator for a Valve - A visual position indicator for a valve includes a knob, inner and outer sleeves. The knob is rotatably mounted on the valve and attached to a stem operating to open and close the valve. The inner sleeve connected on the valve includes a first colored band and an outer thread portion. The outer sleeve engaged with the knob includes a second colored band and an inner thread portion. The outer and inner thread portions are engaged with each other. The first and second colored bands respectively have a color different to each other. While the valve is closed, the outer sleeve fully conceals the inner sleeve to cause the second colored band visible. While the valve is open, the outer sleeve is fully concealed by the knob to cause the first colored band visible. | 07-18-2013 |
| 20130206258 | VALVE WITH POSITION SENSOR - Valve comprising a shutter ( | 08-15-2013 |
| 20130299017 | FLOW RATE SCALE FIELD CALIBRATION FOR BALANCING VALVE - A balance or flow limiting valve features a valve body/member having a flow rate indicator/scale containing setting having printed flow rates calibrated in units of measure in volume per time increment between a minimum flow rate position (MIN) and a maximum flow rate position (MAX); and a knob/handle having a position indicator and being moveable to any continuous position on the flow rate indicator/scale between MIN and MAX in response to a user applied force, where the relationship between the flow rate indicator/scale and the position indicator is based on calibrated flow characteristics of the balance or flow limiting valve. The user can set an exact desired flow rate in one operation by moving the knob/handle to a desired position between MIN and MAX without consulting a printed flow curve or balance calculator to determine the desired exact flow rate. | 11-14-2013 |
| 20140069531 | Blowout Preventer Status Assembly - A status assembly to provide visual and electronic indication of the position (open, closed, in-between) of the ram of a ram-type blowout preventer (BOP). The assembly is capable of coupling with a hydraulic motor that can be used to open and close the ram locks. The status assembly includes a rotatable element protruding from the BOP, a gear rotatable by the rotatable element, and an indicator that indicates the rotation position of the rotatable element and thus the linear position of the BOP ram. Some embodiments can also include a sensor that outputs an electronic signal to the system operator and can be incorporated into the main display for the BOP control system. This device is able to give immediate feedback to operators and to indicate whether each ram has achieved its intended travel. | 03-13-2014 |
| 20140137960 | NON-RISING STEM ACTUATOR - An apparatus for actuating a valve includes a housing having an axis, a valve end, a cap end, and a cylindrical sidewall defining an inner diameter surface of the housing. A cap is connected to the cap end of the housing. An inlet is located in one of the cap and the housing. A plate is positioned within the housing, the plate having an outer diameter that slidingly engages the inner diameter surface of the housing. The plate moves between an extended position and a retracted position in response to pressure media from the inlet. A down stop is in contact with the plate. A seal nut has a first end in engagement with the down stop. The seal nut has a second end with an end surface, the end surface being spaced apart from the cap when the plate is in the extended position. | 05-22-2014 |
| 20140251468 | Locking Device - A locking device is used for locking at least a piston associated with an operating element of a valve, a choke, a blowout preventer or some other unit used in the field of oil/natural gas drilling and/or oil/natural gas production. The locking device comprises a sleeve, which is axially displaceable relative to the piston and which is threadedly engaged with a rotatably supported rod for displacement in an axial direction. The rod is drivingly connected to a motor. In order to be able to determine, by means of simple structural measures, the position of the piston for each of its positions in a sufficiently precise and reproducible manner, the locking device is provided with a position sensor, which extends from a fixed point through a longitudinal bore of the lock rod up to the hydraulic piston and by means of which a distance between the piston and the fixed point can be detected. | 09-11-2014 |
| 20140261793 | DEVICE AND METHOD FOR FINDING THE CENTER AND READING THE SETTING OF AN IMPLANTABLE MEDICAL DEVICE - A centering tool and a combined centering-indicator tool for finding the magnetic center and indicating the setting of an implantable adjustable valve. The centering and combined centering-indicator tools include a magnetic capsule movable within a cavity to a target located on the tool when the magnetic capsule is centered over magnet of an adjustable valve. | 09-18-2014 |
| 20140305525 | AUTONOMOUS VALVE CONTROL AND MONITORING - Apparatus and associated methods relate to an autonomous controllable valve system for providing turbulent flow to a cleaning solution during a valve-cleaning operation, the valve system includes a valve and a valve controller, the valve has an MR sensor array arranged to receive a magnetic field from a magnet coupled to the valve stem, the MR sensor array generating signals indicative of a valve stem position, the valve controller receiving the position signals and generating a control signal for a valve actuator to move the valve stem to a cleaning position between a closed position and a maximal-open position. The cleaning position may be less than twenty percent of a distance between the closed position and the maximal open position. In an illustrative embodiment, the cleaning position may be predetermined to cause a turbulent flow of the cleaning solution. | 10-16-2014 |
| 20140326338 | ROTARY STEM POSITION INDICATOR - A manual gate valve operator used in the oil and gas industry. The operator does not allow an increase or decrease in height when manually rotating the hand wheel. Instead, the operator has an internal indicator nut of the position of the valve. The indicator nut is observable electronically or visually. | 11-06-2014 |
| 20150013790 | AXIAL FLUID VALVES - Axial fluid valves having curved or angled valve bodies are described herein. An example apparatus disclosed herein includes a valve body defining a passageway between an inlet and an outlet, the inlet is aligned along a first axis and the outlet is aligned along a second axis. The example apparatus includes a flow control member interposed between the inlet and the outlet. The example apparatus also includes an actuator having a stem coupled to the flow control member to move the flow control member along a third axis in the passageway. In the example apparatus, the third axis is substantially parallel to and offset from at least one of the first axis or the second axis. | 01-15-2015 |
| 20150020900 | MODULAR MEDIA CONTROL VALVE - A media control valve has a valve body having a media inlet and a media outlet and a plunger which is positioned within the valve body. The plunger is connected to a metering control assembly in the bore of the valve body and can be removed without disturbing the control assembly. A sleeve is positioned in the valve body between the valve body and the plunger. The sleeve includes an integral seal for sealing the valve to a flow device such as a base. The valve stem or post for housing the control knob may have metering marks for visually indicating the position of the plunger relative to the sleeve. The control knob on the valve is aligned with the metering marks on the valve body, whereby the valve opening may be calibrated by visual indication of the alignment of the metering marks with the lower edge of the control knob. | 01-22-2015 |
| 20150047722 | AIR SHUTOFF SWING GATE VALVE - An air shutoff valve includes a passage for supplying air, a swing gate, a shaft attached to a reset handle, and a spring to urge the gate toward its closed position. A trigger assembly secures the shaft and gate in the open position and includes an actuator, a cam, and a rocker arm. A cam surface of the arm has a notch to receive a sear point of the cam. Movement of the handle against the spring causes the cam contact surface of the cam to follow the cam surface to cause the arm to rotate such that the sear point is received in the notch. Actuating the actuator causes the arm to pivot away from the cam such that the sear point is released from the notch, wherein the spring causes the shaft to move the gate to its closed position. | 02-19-2015 |
| 20150059889 | BLADDER ACCUMULATOR VOLUME INDICATING DEVICE - A mechanical seal support system includes a bladder accumulator with a first connection to the top of the bladder accumulator and a second connection to the bottom of the bladder accumulator with a device that is responsive to the pressures at each of the first and second connections of the bladder accumulator for providing an output determined by the difference between the pressures. The mechanical seal support system further includes a display for displaying the output in a manner indicative of the volume of the fluid in the bladder accumulator relative to a predetermined volume. | 03-05-2015 |
| 20150129061 | VALVE WITH POSITIVE AND NEGATIVE STATUS INDICATOR - A valve is provided with multiple ports joining multiple fluid conduits leading between fluid sources and fluid destinations. A central hub manifold or other control element resides within a body supporting the ports, and can rotate relative to the valve body. Fluid flow paths within the central hub or other control element are selectively aligned or not aligned with the ports. The valve indicates which ports are open or closed by providing unique marks adjacent the ports corresponding with being open or closed. When the positive marks are visible, such as through windows in a rotating structure fixed to the central hub or other control element, the corresponding ports are open. When the negative marks are visible, such as through other windows in the rotating structure, the corresponding ports are closed. | 05-14-2015 |
| 20150129062 | Valve Position Translator - Apparatus for determining whether a valve is fully opened or closed. In one embodiment a valve position translator includes a cam tube and a rod. The cam tube has a cylindrical wall. A first slot in the wall is disposed along a radial arc of the tube. A second slot in the wall extends from an end of the first slot at an angle acute to the first slot. The rod extends through the wall, and rotates the cam tube while moving linearly along the cam tube in the second slot and while moving in an arc in the first slot. | 05-14-2015 |
| 20150374962 | DEVICE AND METHOD FOR FINDING THE CENTER AND READING THE SETTING OF AN IMPLANTABLE MEDICAL DEVICE - A centering tool and a combined centering-indicator tool for finding the magnetic center and indicating the setting of an implantable adjustable valve. The centering and combined centering-indicator tools include a magnetic capsule movable within a cavity to a target located on the tool when the magnetic capsule is centered over magnet of an adjustable valve. | 12-31-2015 |
| 20150377398 | FEMALE COUPLING MEMBER SUITABLE FOR HANDLING HIGH-PRESSURE FLUID AND PIPE COUPLING HAVING FEMALE COUPLING MEMBER - Disclosed is a female coupling member which includes a housing having a fluid passage extending therethrough, a valve member selectively opening and closing the fluid passage, and a valve open-closed state indicating member. The valve open-closed state indicating member has a valve open state indicating part and a valve closed state indicating part and is displaced in response to the displacement of the valve member. When a male coupling member is connected to the female coupling member, and when the valve member is in an open position, the valve open state indicating part is visible from the outside of the housing through a window of the housing, whereas, when the valve member is in a closed position, the valve closed state indicating part is visible from the outside of the housing through the window. | 12-31-2015 |
| 20160047480 | Valve and Assembly Method - A valve for installation in a valve bore of a housing or valve block includes a valve bushing for insertion into the valve bore, a guided valve piston that can be moved axially in the valve bushing, an activation section of said piston projecting above the valve bushing axially, and a valve cover that is configured to be arranged over the valve bore and that forms, together with the activation section of the valve piston, at least one activation pressure chamber. | 02-18-2016 |
| 20160047487 | LEVER VALVE - A valve assembly comprising a valve body and a lever for actuating the valve, the valve body comprising at least one device having a visual display, wherein the at least one device is located such that, when the lever is in a closed position, at least a portion of the visual display is located behind the lever. The lever may include an opening or window for viewing the visual display when the lever is in the closed position, or the lever may be transparent. | 02-18-2016 |
| 20160122004 | FUEL INTELLIGENT CROSSFEED VALVE FOR DETECTING LEAKAGE IN AIRCRAFT FUEL TANKS - A fuel management system may include a first fuel tank and a second fuel tank. The fuel management system may also include an intelligent crossfeed valve positioned between the first fuel tank and the second fuel tank and configured to allow fuel to flow between the first fuel tank and the second fuel tank. The fuel management system may also include a sensor configured to detect an amount to which the intelligent crossfeed valve is open. The fuel management system may also include an engine controller connected to the sensor and configured to cause the intelligent crossfeed valve to close in response to the intelligent crossfeed valve being open a third predetermined amount. | 05-05-2016 |
| 20160153581 | HANDWHEEL FOR HYDRAULIC VALVE PROVIDED WITH OPENING LEVEL INDICATOR | 06-02-2016 |
| 20160178084 | Pressure-Setting Regulator | 06-23-2016 |
| 137554000 | Electrical | 34 |
| 20080202608 | 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 valve spool into a centered position relative to the valve body. The hydraulic valve further includes a position sensor assembly having a sensor portion affixed relative to the valve body and a movable portion that is movable relative to the sensor portion in response to movement of the valve spool. The sensor portion is responsive to a position of the movable portion for outputting a signal indicative of the position of the valve spool relative to the valve body. The movable portion of the position sensor assembly is biased into engagement with the spool return assembly. | 08-28-2008 |
| 20080257428 | 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 comprising: a position detection device configured for detection of an actual position of the actuating element; a regulator unit configured for operational connection with the position detection device for comparison of an actual position with a predeterminable set position and for production of an actuating signal for driving the actuating drive, wherein the position detection device has a pattern support, at least part of whose surface is covered by a pattern which can be scanned optically; and a stationary optical scanning device, whose optical axis is aligned with the pattern. | 10-23-2008 |
| 20080264498 | Valve with Sensor - A valve is provided according to one embodiment of the invention. The valve comprises a piston ( | 10-30-2008 |
| 20090071554 | 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 a base with a cover secured to said base and defining a hollow sealed chamber, (b) an actuator shaft journaled for rotation in said base and extending through said base into said sealed chamber, (c) at least one electromechanical actuating element mounted on said actuator shaft, (d) a frusto-conical member having graphics information representative of said actuator shaft position viewable through a window area, (e) said cover having a frusto-conical base, (f) female threads on the interior of the frusto-conical base, and (g) male threads on the base housing to accept the female threads on the interior of the frusto-conical base. | 03-19-2009 |
| 20090107566 | Fluid power valve arrangement with at least one solenoid valve - A fluid power valve arrangement ( | 04-30-2009 |
| 20090139587 | DEVICE FOR ACTUATING A PROCESS VALVE FOR USE IN FOODSTUFFS TECHNOLOGY - The invention relates to a device ( | 06-04-2009 |
| 20100037966 | Method for checking the functionality of an actuator - A method for checking the functionality of an actuator is provided. A control valve is adjusted by an actuating drive by a manipulating element engaging the control valve, a position encoder captures the actual position of the manipulating element, and an electro-pneumatic position controller generates a pneumatic actuating variable as a function of the actual position and a target position. The actuating variable is applied to the actuating drive by an activated magnetic valve that is deactivated to vent the actuating drive. The magnetic valve is briefly deactivated so that it may be tested, such that the manipulating element moves through only a part of its adjustment path. The magnetic valve test is evaluated as successful if the manipulating element has moved at least a prescribed minimum distance. | 02-18-2010 |
| 20100116365 | REMOTELY READABLE VALVE POSITION INDICATORS - Remotely readable valve position indicators and related methods are described. An example valve position indicator includes a wireless identifier device coupled to a valve stem or shaft to move with the valve stem or shaft. The wireless identifier device is to convey information indicative of the position of the valve stem or shaft to a remote wireless electronic reader. The example valve position indicator also includes a shielding body to prevent the wireless identifier device from conveying the information to the remote wireless electronic reader when the valve stem or shaft is in a first position and to permit the wireless identifier device to convey the information to the remote wireless electronic reader when the valve stem or shaft is in a second position. | 05-13-2010 |
| 20100276016 | Linear valve position measuring apparatus - There is provided an apparatus for measuring a position of a linear type valve which is open/shut by operation of a hydraulic cylinder. More particularly, the apparatus more accurately measures a valve position by outputting a rotation angle of a rotation sleeve which rotates by being operatively connected to a hydraulic cylinder which moves linearly, and by calculating a vertical movement distance of a valve gate which changes in proportion to the rotation angle. Further, since the structure of the apparatus is very simple, the cost of production is significantly reduced. In addition, for use, the apparatus is installed on the hydraulic cylinder by a simple method. | 11-04-2010 |
| 20110139275 | 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 fluid distribution pattern comprises a plurality of non-contact sensors disposed at spaced locations about the distribution valve to sense activation of the valve to different operating conditions. A controller communicates with the sensors and records data representing the operation of the valve. The recorded data is examined to detect improper operation of the distribution valve. | 06-16-2011 |
| 20110180165 | 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 connected to a valve stem cap. The valve stem cap has a valve stem cap passage. A valve end cap having a valve seat is provided and receives the valve stem cap such that the valve stem cap can contact the valve seat. A pressure relief device or shuttle assembly is positioned internal to the valve stem cap. The shuttle assembly is used for venting build-up downstream pressure through the non-magnetic latching servo actuated valve outlet, through the valve stem cap passage, around the shuttle assembly, through passages, into a pressure chamber, and to the nonmagnetic latching servo actuated valve exit where the fluid vents until the system is in balance. | 07-28-2011 |
| 20120204979 | 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 flow distributor has a disk which is tightly attached to a hard hollow washer. An inner wall of the valve shell is provided with locating ends corresponding to a group of locating nodes to form the locator rotation angle detecting mechanism. Each locating node is placed corresponding to a gas flow distribution groove of the same sequence. The inner wall of the valve shell is also provided with stopping blocks at a beginning state and an ending state of the locator. The valve enables accurate control by utilizing an action position feedback signal and a control circuit, and enables multi-position stepped adjustment on gas flow rate upon multi-channel gas passages simultaneously. The valve can independently cut the multi-channel gas passages. | 08-16-2012 |
| 20130042933 | METHODS AND APPARATUS TO DETERMINE A POSITION OF A VALVE - Methods and apparatus to determine a position of a valve are disclosed. An example apparatus disclosed herein includes a rotary valve assembly and a visual indicator assembly coupled to the rotary valve assembly to indicate a position of a fluid control member of the rotary valve assembly. The visual indicator assembly includes a follower and a shell surrounding the follower. A position of the follower is to correspond to the position of the fluid control member. The example apparatus further includes an electronic position monitor coupled to the shell to determine valve position information based on the position of the follower. | 02-21-2013 |
| 20130233416 | Control Head for a Fluid-Actuated Valve - A control head for a fluidically actuated valve having a main body which comprises a coupling device for fixing the main body to a shaft section of the valve and which supports a control valve device which is designed to provide a control fluid flow for actuating a fluid regulating agent in order to activate the valve, said regulating agent being arranged in the shaft section in a linearly movable manner, and having a path measurement device arranged on the main body, which is designed to determine an axial position of the regulating agent along a movement axis. | 09-12-2013 |
| 20130255802 | VALVE AND HYDRAULIC CONTROLLER - A valve and a hydraulic controller are provider. The valve may combine a rotary-to-linear converter with the hydraulic controller to provide for at least two mechanisms for actuating the valve. Additionally, the valve may include a mechanical lock mechanism suitable for securing the valve at a desired flow position. The mechanical lock mechanism may also provide overload protection. That is, the mechanical lock mechanism may “slip” or disengage if torque forces reach undesired levels. The hydraulic controller may enable a “stepping” mode of control and “fast actuation” mode of control. The “stepping” mode may deliver a discrete quantity of a fluid, while the “fast actuation” mode may deliver a continuous quantity of the fluid. | 10-03-2013 |
| 20140053924 | 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 port. The handle is swiveably mounted to the body. The flange is releasably connected to the body. The mounting bracket is releasably connected to the flange. The sensor is offset from the handle and adjustably connected to the mounting bracket such that the handle is configured to be bidirectionally operable. | 02-27-2014 |
| 20140053925 | SYSTEM AND METHOD TO DETECT AND COMMUNICATE FAUCET VALVE POSITION - A system for detecting and communicating a mechanical valve position in a faucet is provided. The system includes a mechanical valve having an open state and a closed state, a control stem configured to selectively operate the valve between the open state and the closed state, a member movable between an open position and a closed position in response to operation of the mechanical valve between the open state and the closed state. The system further includes a ring disposed at least partially around the mechanical valve and having a switch disposed on the ring. Moving the member from the closed position to the open position actuates the switch. | 02-27-2014 |
| 20140069532 | POSITION INDICATOR OF ELECTROMAGNETIC INDUCTION SYSTEM AND ELECTRONIC INK CARTRIDGE - An electronic ink cartridge includes, in a direction of a central axis within a cylindrical body, a core body extended out from a distal end of the cylindrical body, a coupling member disposed on a side of a proximal end of the cylindrical body, a coil housed between the core body and the coupling member and having a predetermined inductance, and a pressure sensitive element whose capacitance changes according to pressure applied to the core body. Two terminals of the coil are electrically connected respectively to two terminals of the pressure sensitive element to thereby form two terminals of a resonance circuit formed by the coil and the pressure sensitive element. A connecting terminal electrically connected to at least one of the two terminals of the resonance circuit is disposed on a proximal end surface side of the coupling member to be accessible thereon from outside. | 03-13-2014 |
| 20140069533 | Method for Detecting a Closing Time Point of a Valve Having a Coil Drive, and Valve - A method for detecting a closing moment of a valve having a coil drive includes impressing an electrical voltage in the exciter coil to generate an exciter current through the coil, which attracts the movable armature and lifts the valve element off its valve seat. After the exciter current decays to zero, the voltage profile at the exciter coil is sampled and read out over time in the form of time value/voltage value pairs. The detected voltage values and time valves are transformed by the formation of a logarithm to form a transformed function. The transformed function is subsequently derived numerically with the formation of a derivation function. A transformed time value corresponding to the valve closing moment is detected based on the derivation function of a predetermined threshold value S being undershot, and the closing moment is calculated therefrom by inverse transformation. | 03-13-2014 |
| 20140096850 | 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. Valve position indication may be displayed with a lighted arrangement. The proof of closure sensor may provide position information to the indication mechanism to display it. | 04-10-2014 |
| 20140116542 | 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, and a sensor module for detecting at least the end positions of the valve spindle. The device further comprises at least a first optical display element ( | 05-01-2014 |
| 20140238512 | 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 port coupled to the chamber. The actuated valve further includes a movable stem disposed at least partially within the chamber, the movable stem having a closed position and an open position relative to the chamber, and an actuator coupled to the stem. The sensor module is attached to the actuated valve, and the sensor module includes a microcontroller, and at least one sensor coupled to the microcontroller, the at least one sensor providing a signal associated with a status of the actuated valve. | 08-28-2014 |
| 20140261794 | QUICK DISCONNECT CONNECTOR ASSEMBLY - A quick-disconnect connector assembly includes a housing having a bore that extends up to but not through a first end of the housing. The connector assembly also includes a proximity switch disposed within the bore, and the proximity switch includes a switch body, a first contact member, and a second contact member. A portion of each of the first and second contact members extends from the switch body towards a second end of the housing. In a first switch position, a contact of a displaceable switching assembly is in contact with the first contact member, and in a second switch position, the contact is in contact with the second contact member. The connector assembly also includes an external connection assembly including a first pin that is electrically coupled to the first contact member and a second pin that is electrically coupled to the second contact member. | 09-18-2014 |
| 20150034186 | Actuating Device for Actuating Valves - An actuating device ( | 02-05-2015 |
| 20150053283 | OFF-AXIS POSITION MONITORING AND CONTROL SYSTEM AND RELATED METHODS - A flow control valve and a valve-position monitoring and control system coupled to the valve member and configured to precisely determine valve conditions related to the rotary position of the valve member. The system has an array of spaced apart transducers in an arcuate arrangement and in a fixed, non-moveable position relative to the valve's housing. A magnetic-field source is fixed to and rotates with the valve member as a unit. The magnetic-field source includes magnetic members adjacent to and out of physical engagement with the transducers. The magnetic member moves along an arcuate path parallel to the arcuate arrangement of the transducers as the valve member rotates through the plurality of rotary positions. The magnetic-field source provides magnetic flux detectable by at least a plurality of the transducers to precisely determine the rotational position of the magnetic-field source and/or the valve member, and the fluid flow rate through the control valve. | 02-26-2015 |
| 20150075651 | 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 arrangement having a switch target in combination a target ring configured to be installed in the switch target so as to form the at least one switch target arrangement, and is also configured with an aperture having an inner diameter that is smaller than the outer diameter of the surface finish of the spindle, so that when the at least one switch target arrangement is installed over the spindle, interference causes at least a portion of the target ring to deflect into a groove/space of the surface finish of the spindle so as to energize the target ring to grip the surface finish of the spindle to secure the switch target when the spindle moves. | 03-19-2015 |
| 20150308587 | SYSTEM AND METHOD TO DETECT AND COMMUNICATE FAUCET VALVE POSITION - A faucet configured for touchless actuation that includes a spout; a mechanical valve configured to move between an open state and a closed state and having a member radially movable between an open position and a closed position in response to operation of the mechanical valve between the open state and the closed state; an electronic valve configured to move between an open state and a closed state; and a system configured to detect and communicate a state of the faucet in response to the position of the member. | 10-29-2015 |
| 20150377176 | Drive Device for Fuel Injection Device - An object of this disclosure is to provide a fuel injection device that can reliably detect an operation timing of a valve body, that is, a valve opening timing with high accuracy. The current of an electromagnetic valve reaches I | 12-31-2015 |
| 20150377383 | VALVE COMPRISING A TAPPET AND A SENSOR - A valve comprises a tappet and a sensor for detecting an adjustment stroke of the tappet, in particular an inductive sensor, wherein the sensor comprises a signal transmitter which comprises a coil, of which the coil axis (S) is substantially in parallel with the axis (A) of the tappet. | 12-31-2015 |
| 20160146374 | VARIABLE FLOW VALVE HAVING METERED FLOW ORIFICE - A variable flow valve assembly is disclosed, and includes a main body, a piston, a position sensor, a controller, a solenoid, and a cover. The main body defines a chamber, an inlet port, an outlet port, and a wall located between the inlet port and the outlet port. The wall defines a metering orifice for selectively allowing a medium to flow from the inlet port to the outlet port. The chamber of the main body includes a pressurized chamber. The piston is moveable within the chamber of the main body in a plurality of partially open positions to vary the amount of medium flowing through the modulation orifice. The piston separates the pressurized chamber from the inlet port. The position sensor determines the position of the piston within the chamber of the main body, and the controller is in signal communication with the position sensor. | 05-26-2016 |
| 20160195114 | PRESSURE RETAINING VALVE | 07-07-2016 |
| 20160377193 | VALVE - A valve includes a valve housing, which has at least one first connection and a second connection; at least one valve plate arranged in the valve housing; a passage opening arranged between the first connection and the second connection; and at least one valve seat surrounding the passage opening. The valve plate can be brought into contact with the valve seat in order to disconnect a fluid link between the first connection and the second connection. In order that the function of the valve, in particular the position of the valve plate, can be reliably detected, the valve includes a sensor system arranged within the valve housing. | 12-29-2016 |
| 20170232285 | VALVE MONITORING | 08-17-2017 |
| 20180021791 | FLUID HANDLING SYSTEMS AND METHOD FOR ULTRACENTRIFUGES | 01-25-2018 |
| 137555000 | Selection from plural branches | 1 |
| 20160161019 | POSITIONING DEVICE FOR KNOB OF VALVE UNIT - A valve unit includes a valve body with a plate located in a tubular portion of the valve body. The tubular portion has multiple notches defined in the outside there. A knob has a space defined therein and is threadedly mounted to the tubular portion. The knob has a groove defined in the outside thereof. A first hole and a second hole are respectively defined through knob and communicate with the groove. A resilient member is engaged with the groove and two ends of the resilient member are respectively engaged with the first and second holes. A spring is biased between the plate and the knob. The contact portion is engaged with the notches to generate sounds when rotating the knob. | 06-09-2016 |
| 137556000 | Indicator element rigidly carried by the movable element whose position is indicated | 20 |
| 20100229975 | METHODS AND APPARATUS TO ARBITRATE VALVE POSITION SENSOR REDUNDANCY - Example methods and apparatus to arbitrate valve position sensor redundancy are disclosed. A disclosed example method comprises measuring a first value representative of a position of a valve, measuring a second value representative of the position of the valve, computing a first estimated position of the valve, selecting one of the first and second values based on the first estimated position, and generating a first valve control signal for the valve based on the selected one of the first and second values. | 09-16-2010 |
| 20110017324 | VALVE POSITION INDICATOR - A valve position assembly is described herein, wherein the assembly includes a sun gear, at least one planet gear, two ring gears, wherein the planet gear engages with the sun gear and the ring gears, wherein the planet gear has a diameter which is smaller than a diameter of the sun gear, and the diameter of the planet gear is smaller than a diameter of the ring gears, and a scale plate, wherein the plate comprises a position indicator. | 01-27-2011 |
| 20120234410 | SUBSEA VALVE ACTUATOR HAVING VISUAL MANUAL POSITION INDICATOR CONNECTED TO A MANUAL OVERRIDE SHAFT - A subsea valve actuator is disclosed, comprising an override shaft ( | 09-20-2012 |
| 20120247587 | VISUAL INDICATOR FOR AIR TANK VALVE HANDLE - A visual indicator assembly displays the state of an isolated stem control valve contained in a housing of an air tank. The visual indicator assembly comprises a rotatable handle member adapted for operative connection to the isolated stem control valve contained in the housing of the air tank. The rotatable handle member opens and closes the control valve without axial movement of the rotatable handle member. An “OFF” indicator is visible with the control valve in a closed condition, and an “ON” indicator is non-visible with the control valve in a closed condition. The “ON” indicator is movable to become visible and obscure the “OFF” indicator upon rotation of the handle member to adjust the control valve to an open condition. | 10-04-2012 |
| 20120298225 | MODULAR MEDIA CONTROL VALVE - A media control valve has a valve body having a media inlet and a media outlet and a plunger which is positioned within the valve body. The plunger is connected to a metering control assembly in the bore of the valve body and can be removed without disturbing the control assembly. A sleeve is positioned in the valve body between the valve body and the plunger. The sleeve includes an integral seal for sealing the valve to a flow device such as a base. The valve stem or post for housing the control knob may have metering marks for visually indicating the position of the plunger relative to the sleeve. The control knob on the valve is aligned with the metering marks on the valve body, whereby the valve opening may be calibrated by visual indication of the alignment of the metering marks with the lower edge of the control knob. | 11-29-2012 |
| 20130291968 | Valve with Proof of Closure - A valve with proof of closure includes a valve body with a first port and a second port separated by a valve member that is biased toward a closed position. A piston is mounted within a pressure chamber with a pressure fluid port for connecting to a source of pressurized fluid. Piston is biased toward a retracted position and is moved to an extended position in response to pressurized fluid entering through pressurized fluid port. A control member is attached to valve member and is engaged by piston as it is moved a first distance from retracted position toward extended position. A valve position indicator with a closed state and as open state is biased toward the closed state and is actuated by piston as piston moves a second distance from retracted position toward extended position to move valve position indicator from closed state toward open state. | 11-07-2013 |
| 20130306172 | IMPROVEMENTS IN BALANCING AND CONTROL VALVES - A combined balancing and control valve suitable for use in a hydronic system is provided, including a chamber enclosing a plug ( | 11-21-2013 |
| 20130333777 | OPENING DEGREE DETECTION DEVICE FOR MANUAL VALVE | 12-19-2013 |
| 20140283930 | FINE CONTROL GAS VALVE - A fine control gas valve is disclosed. The valve has a tee having first and second tee runs co-axially aligned on a longitudinal axis, and a tee branch oriented non-parallel to the longitudinal axis. A rotatable hand operator member cooperates with a threaded member and a sleeve to enable a valve to be adjustably positioned within the tee. Indicia on the valve may be used to help a user understand how a fluid flow through the valve will be affected by adjustments made by the rotatable hand operator member. | 09-25-2014 |
| 20150007898 | GAS FLOW CONTROL VALVE - A gas flow control valve comprising coupling means for coupling to a measurement tube, wherein the coupling means are compatible with existing means for coupling valves to the measurement tube, means for directing gas from a well head through the gas flow control valve and out of an exit port, means for finely tuning the flow rate of gas passing through the flow control valve comprising, means for longitudinally translating a valve needle via rotation of a rotating assembly, wherein the valve needle comprises a tapered portion and a shoulder, wherein the tapered portion of the valve needle comprises a truncated cone which increases in diameter in the direction of gas flow, and means for visually indicating the longitudinal position of the gas flow control valve. | 01-08-2015 |
| 20150034187 | FORCE MULTIPLYING SOLENOID VALVE - A solenoid actuated valve assembly includes a valve body ( | 02-05-2015 |
| 20150075652 | ROTARY VALVE POSITION INDICATOR - A rotary valve position indicator is disclosed. An example apparatus includes an actuator housing defining an explosion-proof enclosure boundary. An actuator output shaft has a first shaft portion and a second shaft portion. The first shaft portion is partially disposed within the explosion-proof enclosure boundary, and the second shaft portion is disposed outside of the explosion-proof enclosure boundary. A visual position indicator is disposed on the second shaft portion of the actuator output shaft and indicates the rotational position of the actuator output shaft relative to the actuator housing. | 03-19-2015 |
| 20150107704 | FLOW RATE CONTROL DEVICE - A flow rate control device is provided with a flow rate adjustment indication device for operating the displacement of a needle valve relative to a flow passage. The flow rate adjustment indication device is provided with a housing, a rotation transmission member which displaces the needle valve by rotational operation, and an annularly shaped indication ring which has a hole through which the rotation transmission member is inserted. The indication ring has graduations which indicate a change in the flow rate of liquid. The engagement of the engagement section of the needle valve displaces the indication ring in the circumferential direction and changes the position of the graduations. | 04-23-2015 |
| 20150308083 | VERTICAL INDICATOR POST WITH TORQUE-REDUCING GEARING - An indicator post that requires less torque for operating a valve includes an elongated housing having opposite first and second ends. A gear housing is located at the housing second end and is configured to secure the indicator post to the body of a valve. An operating member is located at the housing first end and is rotatable in relation to the housing. An elongated stem is located within the housing and has a first end connected to the operating member and an opposite second end. The indicator post also includes a coupler that is configured to rotate the stem of the valve. A gear set is positioned within the gear housing and includes a plurality of gears that are arranged to produce an output torque on the coupler that is greater than an input torque from the stem. | 10-29-2015 |
| 20160153571 | BYPASS VALVE | 06-02-2016 |
| 137556300 | Movable indicator element is a pointer | 5 |
| 20160195199 | VALVE COMPRISING A ROTARY, ADJUSTBALE FLOW-BLOCKING SYSTEM | 07-07-2016 |
| 137556600 | Pointer integral with handle | 4 |
| 20110308646 | MECHANICAL POSITION INDICATOR - A check valve position indicator assembly is disclosed including an indicator housing, an indicator shaft rotably disposed in the indicator housing, an indicator arm attached to the shaft, a rod attached to the shaft, a mounting bracket, an indicia member attached to the mounting bracket, and at least one fastener attaching the indicator housing with the mounting bracket. In some embodiments, a seal is included along the bottom of the indicator housing. | 12-22-2011 |
| 20130133763 | Valve Control Hand Wheel with Position Indicator and Magnetic Couple Feature - A hermetically-sealed valve position indicator is provided with a valve control handwheel. Indicator includes a magnetic-coupling with a stationary mount for the valve control handwheel. During operation of valve control handwheel, its handwheel and shaft rotate along with a housing, housing cover, housing window, primary shaft, and drive gear about the actuator's central axis of rotation—clockwise or counterclockwise. Drive gear engages with drive train to rotate a needle across a dial face to indicate the position of a valve. Drive train includes two gears rotatably attached to a secondary shaft and an indicator gear attached to a back end of sleeve slid over a front portion of primary shaft. The needle is disposed on the front end of sleeve with the dial face positioned between the indicator gear and the needle. | 05-30-2013 |
| 20140076431 | MULTI-PORT STOPCOCK VALVE AND FLOW DESIGNATING SYSTEM - A stopcock is provided with multiple ports joining multiple fluid conduits leading between fluid sources and fluid destinations. A central hub manifold resides within a valve body supporting the ports, and can rotate relative to the valve body. Fluid flow paths within the central hub are selectively aligned or not aligned with the ports. The stopcock indicates which ports are open by providing marks corresponding with positions of the ports. When the marks are visible, the corresponding ports are open. With different positioning of ports and different configurations of fluid flow paths within the central hub, stopcocks having different numbers of operable positions are provided including two, three, four, six and eight way stopcocks. By providing an axial flow path through a central axis of the central hub intersecting the embedded fluid flow paths within the central hub, still further numbers of operational states are provided. | 03-20-2014 |
| 20140311598 | Rotary Flow Divider Assembly For Agricultural Product Distribution System - A rotary flow divider assembly is provided that includes a housing having an inlet passage configured to receive agricultural product, a first outlet passage configured to discharge the agricultural product, and a second outlet passage configured to discharge the agricultural product. The rotary flow divider assembly also includes a rotary valve selectively rotatable between a first position that facilitates flow of the agricultural product from the inlet passage to the first and second outlet passages, a second position that facilitates flow of the agricultural product from the inlet passage to the first outlet passage, and substantially blocks flow of the agricultural product from the inlet passage to the second outlet passage, and a third position that facilitates flow of the agricultural product from the inlet passage to the second outlet passage, and substantially blocks flow of the agricultural product from the inlet passage to the first outlet passage. | 10-23-2014 |
