Abstract: An automatically adjusting control valve comprises a valve body; a valve seat within the valve body; a sealing disc adjacent the valve seat when the valve is closed and offset from the valve seat when the valve is open; an armature adjacent the sealing disc and operable to move the sealing disc linearly within the valve body; a biasing mechanism which biases the armature toward a first position; and an actuation stem configured to overcome the biasing mechanism and move the armature between the first position and a second position upon manual operation. The actuation stem may comprise a portion which engages the armature during movement between the first position and the second position The portion may be configured to deform to accommodate manufacturing tolerances of the valve.

Abstract: A switch device for water conduit valve comprises a valve body having a water inflow passage bifurcated to form more than one water outflow passage, a first water inlet and a second water inlet disposed between the water inflow passage and the water outflow passage, a magnetic valve switch device connected to the first water inlet and a manual control switch device connected to the second water inlet to provide a user to freely select controlling water flow that is introduced into the water outflow passage from the first water inlet or the second water inlet through any switch device.

Abstract: A clutch apparatus for an electric valve actuator, in which, where a manual handle is operated by an operator in a state that a power supply is stopped in a main motor, a coupling state between the manual handle and the main motor is released and the main motor is separately driven during a re-supply of the power, whereby preventing a safety accident of the operator of the manual handle.

Abstract: Provided is a flow control valve including: a valve body including a flow passage; a first poppet being fixed within the valve body, and including an inlet port through which a fluid flows in and an outflow hole through which the fluid flows out to the flow passage; a second poppet being fixed within the valve body, and including an outlet port through which the fluid flows out and an inflow hole through which the fluid flows in from the flow passage; a sleeve sliding along the first poppet to close the outflow hole and regulate an area thereof; and a spool being disposed between the first and second poppets to be slidable along the first and second poppets, being elastically supported by the second poppet, and sliding due to a pressure of the fluid flowing in the first poppet to close the inflow hole and regulate an area thereof.

Abstract: A valve system comprising a closure member that is linearly translatable within a valve body. A fail safe assembly is connected to the valve body and a first rod member that is connected to the closure member. A linear actuator is movably connected to the fail safe assembly and is operable to move the first rod member. A mechanical override system is connected to the linear actuator and is operable to move the linear actuator relative to the valve body.

Abstract: Disclosed is a clutch apparatus for an electric valve actuator, in which, where a manual handle is operated by an operator in a state that a power supply is stopped in a main motor, a coupling state between the manual handle and the main motor is released and the main motor is separately driven during a re-supply of the power, whereby preventing a safety accident of the operator of the manual handle.

Abstract: A faucet arrangement includes a sensing device for sensing a presence of a user of a spout. The sensing device includes an infrared emitter installed such that a direction of emission of the emitter is oriented an angle of approximately between 5 and 15 degrees relative to a vertical direction. A receiver receives a diffused infrared energy from the emitter. A control device is in communication with the receiver and controls a flow of liquid through the spout dependent upon an angle at which the diffused infrared energy is received by the receiver.

Abstract: A sensor is disclosed. The sensor may be a touch sensor. The sensor may be incorporated into a water delivery system.

Abstract: Proposed is a magnetic valve with manual override, through the actuating element of which a magnetic core that serves as a valve element or that is connected to a valve element can be shifted from an off position into an operating position without excitation of a magnetic coil system assigned to it. To detect the position of the magnetic core that is held in the operating position by the manual override there is provided a coil current monitoring device that monitors the rise of the coil current after the magnetic coil system has been switched on, which device has a detection device for detection of the absence of a drop in current as formed by movement of the magnetic core after being switched on and a signaling device for electrical signaling of a position of the magnetic core that is held in the operating position by the manual override if said drop in current is absent.

Abstract: A driving mechanism, mounting to a flush apparatus, includes an actuation housing coupling with a valve body, a manual actuation unit including a push button and a manual plunger arm transversely extended from the push button towards a pushing platform, and an automated actuation unit including a motorized unit and an automated plunger arm transversely extended towards the pushing platform. When the push button is manually pressed, the pushing platform is pushed by the manual plunger arm to move a diaphragm member at the unsealed position. When the motorized unit is activated in responsive to a presence of a user, the automated plunger arm is driven by the motorized unit to move towards the pushing platform, such that the pushing platform is pushed by the automated plunger arm to move the diaphragm member at the unsealed position.

Abstract: A dual function actuator for a flush valve. The actuator contains a sensor for controlling a motor, which in response to a stimulus will move a plunger which actuates the flush valve. The actuator is also configured to allow for manual actuation of the flush valve by tilting a distal portion of the actuator in relation to the remaining portion of the actuator and flush valve, which moves the plunger actuating the flush valve.

Abstract: An actuator assembly for actuating a valve includes an extensible bellow having an open end and a closed end, a stem operable to contact the closed end and to actuate a stopper mechanism, and a driver configured to move the bellow. The movement of the bellow effects movement of the stem to actuate the valve. In one embodiment, the driver acts to compress the bellow, the compression causing movement of the stem to open the valve. The bellow may be hermetically sealed to the valve housing, thereby allowing a higher range of fluid pressures.

Abstract: An apparatus for performing multi-dimensional assays using a microfluidic chip is presented. The apparatus comprises of two crossing series of micro-channels on the microfluidic chip. The apparatus further comprises of a plurality of magnetic valves placed at the crossings and a guiding magnet. When an operator places the guiding magnet in a vicinity of the chip, the guiding magnet produces a proximal magnetic field gradient at a location of each of the plurality of magnetic valves. At the first micro-channel crossing, a magnetic valve controls fluid flow in the first micro-channel, and another magnetic valve controls fluid flow in the second micro-channel at the first micro-channel crossing. Each magnetic valve comprises a magnetic bead and a cavity on the chip next to a corresponding micro-channel section.

Abstract: In one embodiment of the present invention, an apparatus for one-step flow control at a micro-channel crossing comprises a first micro-channel and a second micro-channel, a plurality of magnetic valves, and a guiding magnet. The guiding magnet produces a proximal magnetic field gradient at a location of each of the plurality of magnetic valves when an operator places the guiding magnet in a vicinity of the chip. The vicinity of the chip comprises a plurality of guiding magnet position ranges. The operator repositions guiding magnet in order to actuate the plurality of magnetic valves simultaneously. Depending on the position of the guiding magnet, the passages are blocked or unblocked to stop or let the fluid flow in a given crossing.

Abstract: A driving mechanism, mounting to a flush apparatus, includes an actuation housing coupling with a valve body, a manual actuation unit including a push button and a manual plunger arm transversely extended from the push button towards a pushing platform, and an automated actuation unit including a motorized unit and an automated plunger arm transversely extended towards the pushing platform. When the push button is manually pressed, the pushing platform is pushed by the manual plunger arm to move a diaphragm member at the unsealed position. When the motorized unit is activated in responsive to a presence of a user, the automated plunger arm is driven by the motorized unit to move towards the pushing platform, such that the pushing platform is pushed by the automated plunger arm to move the diaphragm member at the unsealed position.

Abstract: A hydro-mechanical variable valve actuation system capable to operate according the “ingoing air control” mode the multiair system of Fiat operates and according the “outgoing air control” mode wherein the load is controlled by the quantity of air that the intake valves allow to escape from the cylinder. A different long-duration cam lobe and a reprogramming of the digital controller is all it takes in order to upgrade the existing multiair system of Fiat.

Abstract: A fast valve actuation system for an automatic vehicle transmission includes a pair of spring-biased shift valves. Solenoids control the application of pressurized hydraulic fluid to the head of each of the shift valves. Each shift valve has at least one port that is coupled to a fluid chamber of a torque transferring mechanism of an automatic transmission. The position of each of the shift valves determines whether its ports are connected with fluid pressure. Fluid passages connect the head of each shift valve to the spring pocket of the other shift valve.

Abstract: The invention refers to a valve, in particular a pneumatic valve with a tappet or nipple provided on an actuator member that opens or closes a passage opening for a medium depending on the position of the actuator. A tappet is provided the spring of that presses the tappet or nipple on the passage opening in the closed position.

Abstract: A proportional motion control valve includes an electro-mechanical actuator that provides an infinitely controlled pressure setting in response to an electric signal applied to the electro-mechanical actuator. In another aspect, a proportional motion control valve includes a pilot-operated valve disposed intermediately with respect to a cage and a valve body to fluidly isolate an internal cavity of the valve body from a bore of the cage. The pilot-operated valve is subjected to a hydraulic opening force of pilot fluid that is present in the bore of the cage. A spring is disposed within the internal cavity of the valve body and arranged to subject the pilot-operated valve to a closing spring force.

Abstract: A pressure-regulating valve for regulating the pressure in a high-pressure fuel accumulator of an internal combustion engine, in particular in common-rail injection systems, with a valve piston (3) which is guided in an axially displaceable manner in a bore (1), is acted upon in the opening direction by the compressive force of a spring (2) and, when a magnet coil (4) is energized, undergoes an axial displacement in the direction of a first valve seat (5) counter to the compressive force of the spring (2) and counter to the pressure prevailing in the high-pressure fuel accumulator, wherein the valve piston acts on a valve-sealing element (6) which interacts with the valve seat (5).

Abstract: A burglar proof liquid spraying device comprises a circuit board; a liquid bottle storing spraying liquid and high pressure gas; the spraying liquid will cause a person not to act in certain time period as the liquid is sprayed on a body of a person; the liquid bottle 10 has an opening and a metal tube is extended out from the metal tube; an electromotive valve connected to the liquid bottle for controlling spraying of the spraying liquid in the liquid bottle; a liquid guiding tube having a first end connected to the electromotive valve and a second end connected to a spraying head; an AC to DC convertor for converting high voltage electric power into low voltage electric power so as to provide DC current to the electromotive valve for actuating the electromotive valve; and at least one actuating button is connected to a joint on the circuit board for actuating the electromotive valve 14 to operate.

Abstract: A driving mechanism, mounting to a flush apparatus, includes an actuation housing coupling with a valve body, a manual actuation unit including a push button and a manual plunger arm transversely extended from the push button towards a pushing platform, and an automated actuation unit including a motorized unit and an automated plunger arm transversely extended towards the pushing platform. When the push button is manually pressed, the pushing platform is pushed by the manual plunger arm to move a diaphragm member at the unsealed position. When the motorized unit is activated in responsive to a presence of a user, the automated plunger arm is driven by the motorized unit to move towards the pushing platform, such that the pushing platform is pushed by the automated plunger arm to move the diaphragm member at the unsealed position.

Abstract: Integrated tools for noninvasively reading and adjusting an implantable, magnetically adjustable valve, and methods of use are disclosed. The tools include magnetic or electronic reading of the valve, and magnetic or electromagnetic adjustment of the valve. In use, the tools are positioned above or in contact with the patient's skin, in proximity to the valve.

Abstract: An electrically activated access valve arrangement having a male connector, a female connector, and a valve. In certain embodiments, the male connector includes a conductive element, and the female connector includes contacts. Insertion of the male into the female connector completes a circuit and sends an electrical signal to the valve. This transitions the valve from the normally closed position to the opened position. In certain embodiments, the male connector has a connection port that connects to a connection port of the female connector. A pump, such as an infusion pump, sends an electrical signal through the connection ports, which causes the valve to transition from the normally closed position to the opened position. The electrically activatable valve of the connectors is prevented from opening if mated with conventional male and female luers.

Abstract: An actuator and counterbalance system including a nonmobile carrier; a mobile carrier, mobile relative to the non mobile carrier; and a counterbalance system in operable communication with the mobile carrier and configured to counterbalance less than 100 percent of a return force of a tool actuated by the actuator and method.

Abstract: A method of operating a process a combustion analyzer having a measurement cell is provided. The method includes exposing the measurement cell to exhaust of a combustion process where fuel and oxygen are combined in a burner to produce a flame. The measurement cell is heated to a temperature above a flashpoint of the fuel. When a condition is detected, such as a fault or abnormal situation, gas is directed to the measurement cell to form a gaseous barrier between the measurement cell and unburned fuel while the detected condition exists.

Abstract: A control valve assembly is capable of diagnosing malfunctions in the control valve assembly and discerning a location of a control fluid leak in the control valve assembly. The control valve assembly includes a control valve, an actuator and a positioner. The actuator includes an actuator vent in an actuator housing, the actuator vent being connected to a flow switch. By determining a flow condition through the actuator vent, the positioner determines whether a control fluid leak is located in a control line or in a diaphragm.

Abstract: An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure within the water chamber to allow the water passing from the water inlet to the water outlet, and a sensor-operated powering assembly including a relief valve provided at the valve member for controlling the water flowing to the water outlet and an actuator arranged in such a manner that while sensing a presence of a user of the flushing system, the actuator is driven to move the relief valve to an opened position for releasing the water pressure within the water chamber to allow the water passing to said water outlet.

Abstract: An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure within the water chamber to allow the water passing from the water inlet to the water outlet, and a sensor-operated powering assembly including a relief valve provided at the valve member for controlling the water flowing to the water outlet and an actuator arranged in such a manner that while sensing a presence of a user of the flushing system, the actuator is driven to move the relief valve to an opened position for releasing the water pressure within the water chamber to allow the water passing to said water outlet.

Abstract: The rotary control unit to which the invention relates, in particular nominal value rotary control unit for a vehicle heating system and in particular vehicle air conditioning system, is provided with a rotatable rotary control element (14), an electric motor (16) with a driveshaft (17) which is mechanically coupled to the rotary control element (14), an control circuit (24) for supplying the electric motor (16) with power for the purpose of generating a holding moment in order to prevent undesired rotation of the rotary control element (14) and/or to build up a resistance as the rotary control element is rotated, and a sensor unit (22) for detecting a hand which is approaching the rotary control element (14) or is touching the rotary control element (14). The control circuit (24) for supplying power to the electric motor (16) can be activated if the sensor unit (22) detects a hand which is approaching the rotary control element (14) or is touching the rotary control element (14).

Abstract: In combination with an external actuator for electrically operating a gate valve for use with a recreational vehicle, a gate valve within a housing, a flow passageway, a valve closure member moveable transversely of the flow passageway to cause the passageway to open and close. The valve closure member comprises a valve stem and a connected handle. Also provided is an electrical control unit with a motor, an electrical drive means and a drive shaft to engage the handle. A switch means electrically connected to the control unit has an on and off position. In the on position, the actuator lifts the handle to move the gate and open the flow passageway. In the off position, the actuator retracts the handle to move the gate linearly to close the flow passageway. Also provided is a releasable ring pin which confines the handle and which, when removed, enables the manual override of the external actuator.

Abstract: An ink jet type recording apparatus comprises a connection member which has a passage for leading ink to a recording head from an ink cartridge. In the passage, a valve member having a magnetic body is provided. A rotation member has a permanent magnet and is rotatable between a first position and a second position. When the rotation member is located in the first position, an attraction that can move the valve member in an opening direction of the passage acts between the magnet and magnetic body, and hence, the valve member opens the passage. When the rotation member is located in the second position, the attraction that can move the valve member does not act between the magnet and magnetic body, and hence, the valve member closes the passage.

Abstract: In a step motor driven cam valve a stem freely ascends and descends within a body having an in-flow passage, an out-flow passage, a valve chamber, and a valve seat. The stem is descended by an actuator, composed of a step motor and a cam mechanism located at a position above the stem, that changes a rotational motion of the step motor to a linear motion and transmits the linear motion to the stem. A diaphragm within a valve chamber or a valve body at a lower end part of the stem rests on the valve seat. A lift support mechanism that supports the actuator to freely ascend and descend is arranged at a bonnet that covers the valve chamber. A height fine-adjustment mechanism, arranged at the lift supporting mechanism, finely adjusts the height of the actuator relative to the stem so as to perform zero-point adjustment of the valve.

Abstract: An adjustment device for an open-close valve (1) has a pneumatic drive (2) which is aerated or de-aerated according to the presence or absence of a control voltage (Vs) which can be supplied by a control system (5). The valve (1) moves into an operating position when the drive is aerated, and into a safety position when the drive is de-aerated. The valve (1) is provided with an electro-pneumatic position regulator (8) for carrying out a partial stroke test.

Abstract: An actuator for a pilot for a hydraulic control valve including a direct-current servo-motor (1) provided with a high-ratio gear (4) and arranged to be operated by a battery (2) with an associated battery charger (13), and an oil return port (10), a pilot port (11) and a hydraulic supply (12) and via the gear (4), the servo-motor (1) is arranged to move a valve stem (5) which bears via a first valve ball (7) on a spring-loaded pilot needle (8) which bears, opposite the first valve ball (7), on a second spring-loaded valve ball (7), a spring and a return spring (9) being arranged to move the valve balls (7) towards the pilot needle (8), and a microprocessor with an associated controller (3) being arranged to determine the position of the valve stem (5) by registration of the rotational position of the servo-motor; and, if a control signal is interrupted, the controller (3) is arranged to drive the valve stem (5) into a predetermined position by means of current from the battery (2).

Abstract: The driving system according to the invention comprises a motor-driven actuator (1), a valve (2) and a joint (3?) connecting them. The joint (3?) includes a connecting shaft (50?) having a hole (506) arranged to receive the end of a lever (6?). By inserting the lever (6?) into the passage left open by the opening (320) and the hole (506), the connecting shaft (50?) is disconnected from the actuator (1) and the stopper (280) of the valve (2) can be manually rotated without damaging the actuator itself. When not in use, the lever (6?) can be removed from the hole (6?) so that the lever does not create dangers. The invention further concerns the joint (3) connecting the actuator (1) and the valve (2), and the kit for supplying the lever (6?) along with the joint (3) and possibly the valve (2) or the actuator (1).

Abstract: Provided is a flow control valve including: a valve body including a flow passage; a first poppet being fixed within the valve body, and including an inlet port through which a fluid flows in and an outflow hole through which the fluid flows out to the flow passage; a second poppet being fixed within the valve body, and including an outlet port through which the fluid flows out and an inflow hole through which the fluid flows in from the flow passage; a sleeve sliding along the first poppet to close the outflow hole and regulate an area thereof; and a spool being disposed between the first and second poppets to be slidable along the first and second poppets, being elastically supported by the second poppet, and sliding due to a pressure of the fluid flowing in the first poppet to close the inflow hole and regulate an area thereof.

Abstract: A coupler including electrical and pneumatic interfaces. The coupler includes a manifold having pneumatic apertures and a support having connector apertures to accommodate one or more valves.

Abstract: An electric control valve provided in the present invention has a valve gate and a control actuator including a middle seat (10), a setting part (9), a thermal sensitive element (7), a pushing rod (11) and a memory alloy spring (6), wherein, the thermal sensitive element (7) is disposed within the middle seat (10) and fixed by the setting part (9), with both poles on it being connected with control terminals respectively, the thermal sensitive element (7) is surrounded by the memory alloy spring (6) and the pushing rod (11) located under the memory alloy spring from outside. Through applying operating voltage on the thermal sensitive element within the electric control valve and then swiftly transmitting heat to the memory alloy spring, when the temperature of the memory alloy spring reaches to a deforming temperature, the memory alloy spring deforms and expands and thus pushes the pushing rod to move. A core 4 and a piston are then driven to move by magnetic coupling.

Abstract: Fluid sensing shut-off devices with timer and methods of operation to shut off fluid flow if a primary shutoff valve sticks in the on condition. An embodiment is disclosed using a microphone to sense fluid flow, with a microprocessor periodically awakening from a sleep mode to power the sensor and determine if there is flow. If there is flow, the microprocessor times flow, and if flow is not shut off within a predetermined length of time, the microprocessor shuts off the valve. The valve itself normally held in a magnetically latched, valve open state, but may be unlatched by a current pulse to close the valve. Various embodiments and applications are disclosed.

Abstract: An improved power actuated valve, particularly a ball valve, which can be manually opened or closed quickly, in the event of failure of power operation, by manual turning force applied directly to the control stem of the valve without the necessity to overcome any drag or negative torque imposed by the power operating mechanism and speed reducing transmission.

Abstract: A device for actuating a pneumatically operated gas-line shut-off valve is disclosed. The device comprises a shape memory alloy wire that is actuated by the application of electrical current. When the shape memory alloy wire is actuated, it opens a spring loaded air exhaust valve that releases the pneumatic pressure holding the gas-line shut-off valve in the open position. The shape memory alloy wire can be activated with an electronic remote control device or through direct wiring thereto.

Abstract: A device for actuating a pneumatically operated gas-line shut-off valve is disclosed. The device comprises a shape memory alloy wire that is actuated by the application of electrical current. When the shape memory alloy wire is actuated, it opens a spring loaded air exhaust valve that releases the pneumatic pressure holding the gas-line shut-off valve in the open position. The shape memory alloy wire can be activated with an electronic remote control device or through direct wiring thereto.

Abstract: A hands-free faucet comprises a proximity sensor, a logical control, a handle, a spout, and a touch control operably coupled to at least one of the spout and the handle.

Abstract: An electric spray gun includes a barrel having a positioning member received therein which includes two guide slots and two respective holes are defined through two sidewalls of the positioning member and communicate with the two guide slots. A cylinder is fixedly connected with a cover which is connected to a container and the cylinder is slidably connected to the positioning member. Two recesses are defined in two sides of the cylinder and two pawls are pivotably connected to the two sidewalls of the positioning member. Each pawl includes a first end and a second end, the first end of each pawl extends through the hole and engaged with the recess corresponding thereto. The first end can be pivoted out from the recess by pressing the second end of each of the pawls when the cylinder is slid in the guide slots.

Abstract: The disclosure relates to a method and device for operating an electropneumatic valve for driving a pneumatic actuator drive to activate fittings in automation systems. The valve has at least one electropneumatic transducer and a pneumatic booster. The pneumatic booster has at least one 3/3 way valve with a blocking center position for optionally connecting an air inflow duct or an air outflow duct to a connecting duct, which connects to the actuator drive. The ducts are activated as a function of an electrical actuation signal by the electropneumatic transducer. At least one position of the 3/3 way valve with a blocking center position is measured and a correction value of a variable of the actuation signal is determined based on the measured value and the electrical actuation signal.

Abstract: There is disclosed a pilot valve, especially for a servo valve, comprising an actuating motor and a hydraulic preamplifier via which a control pressure difference can be created that acts upon a main slide of a main stage. According to the invention, a blocking mechanism is embodied in the flow path of the control oil. A control duct that is connected, either directly or via a branch, to a control chamber of the main stage can be blocked by manually actuating said blocking mechanism, while the other control duct remains open. The other control duct can be blocked by actuating the blocking mechanism in the opposite direction while the first control duct remains open. A control pressure difference by means of which the main slide can be displaced into a predetermined position can be created manually by actuating said blocking mechanism.

Abstract: A faucet assembly is operable automatically or mechanically to facilitate control in a non-powered or motor failure condition. In the automatic control position, separate and automatic control of fluid flow and temperature is provided by respective actuation of first and second handles. In the manual control position, the first and second handles are moved axially to decouple electric motors from corresponding fluid control valves. Such axial movement of the first and second handles concurrently couples the handles mechanically to the corresponding fluid control valves to provide the desired manual actuation.

Abstract: “Control system for a gas cooking device or any other gas device comprising at least one gas burner (1) and, for each gas burner (1), an electromagnetic valve (2) to open or cut off the gas flow to the gas burner (1), said electromagnetic valve (2) comprising magnetic means (10, 11, 12) to keep the gas flow open, and an actuator (3) that is operated manually so that it acts on the magnetic means (10, 11, 12) of the electromagnetic valve (2), thereby opening the gas flow. The control system (20) generates a current signal (I) that circulates through the magnetic means (10, 11, 12) of the electromagnetic valve (2) and detects when the actuator (3) is operated in accordance with the change in magnetic reluctance of said magnetic means (10, 11, 12).

Abstract: A value characteristic changing apparatus for an internal combustion engine according to the invention is provided with an intake-side variable valve timing mechanism that changes a valve timing of an intake valve of an internal combustion engine, and an exhaust-side variable valve timing mechanism that changes a valve timing of an exhaust valve. The intake-side variable valve mechanism is a mechanism that uses an storage battery as a power source; the exhaust-side variable valve timing mechanism is a mechanism that uses a hydraulic pump of an engine driving type as a power source.