Entries |
Document | Title | Date |
20080217566 | VALVE FOR ADJUSTING THE AIR FLOW RATE IN AN INTERNAL COMBUSTION ENGINE - A valve for adjusting the air flow rate in an internal combustion engine; the valve presents: a valve body; a cylindrical tubular pipe obtained within the valve body and in which an air introduction channel is defined; a valve seat obtained along the air introduction channel of the tubular pipe; an actuation system; a shutter, mobile under the bias of the actuation system; and a connection flange, which is integral with a first end of the tubular pipe and presents a plurality of through holes which are crossed in use by corresponding fastening screws for rigidly fixing the valve body; the connection flange is provided with a lower plate and an upper plate, which are reciprocally parallel, facing and distanced and are arranged radially with respect to the cylindrical tubular pipe, and a number of ribs, which reciprocally connect the plates, are arranged perpendicularly to the plates, and are arranged axially with respect to the cylindrical tubular pipe. | 09-11-2008 |
20080245986 | Fluid Distribution and Regulation Valve and System for Supplying Gas Derived from Two Sources Comprising Same - The invention concerns a valve wherein the valve spool ( | 10-09-2008 |
20080258088 | Flowswitch with O-ring seal - The present invention provides a flowswitch for installing in piping, featuring a flowswitch base having an inner cavity; a pivot rod being arranged for rotating in the flowswitch base, the pivot rod having a pair of O-ring grooves; a paddle arm being coupled to the pivot rod inside the cavity, for moving in response to fluid flowing in the piping and rotating the pivot arm; lubricating O-rings being installed onto the pivot rod with each O-ring arranged in a respective O-ring groove for providing a respective seal between fluid being sensed and the outside environment and acting as a bearing on which the pivot rod rotates when the paddle arm moves, the grooves acting to holding the O-rings in place on the pivot arm in response to pressurized fluid flowing in the piping; and an actuating arm being coupled between the pivot arm and the pivot rod for actuating a switch when the pivot arm rotates. | 10-23-2008 |
20080277609 | Non-contact torque sensing for valve actuators - Non-contact torque, thrust, strain, and other data sensing of a valve actuator or valve is disclosed. A sensor may include a surface acoustic wave device. | 11-13-2008 |
20080296525 | Valve with Operating Means Between Two Outlet Passages - A valve has a body, a fluid inlet duct delimited by the body, two fluid outlet ducts into which the fluid inlet duct opens, an intersection formed by the two fluid outlet ducts, a butterfly valve disposed in the intersection, and a motor, to which the butterfly valve is connected, for actuating the butterfly valve between a first extreme position in which the butterfly valve directs the fluid mainly toward the first outlet duct and a second extreme position in which the butterfly valve directs the fluid mainly toward the second outlet duct. The motor is placed between the outlet ducts in the vicinity of a connecting zone connecting the two outlet ducts to one another. The butterfly valve is mounted in front of the connecting zone so that the butterfly valve forms a screen against the fluid for the connecting zone. | 12-04-2008 |
20090020716 | MOTOR DRIVEN VALVE AND COOLING/HEATING SYSTEM - To provide a motor-driven valve without requirement that a check valve is separately connected through piping in parallel and without a built-in check valve. A motor-driven valve | 01-22-2009 |
20090026398 | Valve assembly for modulating fuel flow to a gas turbine engine - A valve assembly for modulating fuel flow is disclosed which includes a valve housing having an inlet section and an outlet section, at least one valve rotor disposed between the inlet section and the outlet section for modulating fuel flow through the valve housing, wherein the at least one valve rotor is formed from a ferritic magnetic flux permeable material and is mounted for rotational movement within the valve housing, under the influence of a torsion spring, between first and second magnetically latched positions, and a pair of electromagnets means for alternately latching the at least one valve rotor in the first and second magnetically latched positions. | 01-29-2009 |
20090045365 | Fail Safe Mechanism For Valve Using A Cock And Lock Return Spring - A fail safe mechanism having a return member, valve stem extension, energy storage member, and locking assembly. The valve stem extension is driven by an electrical actuator and configured to drive the return member in a first direction and to be driven by the return member in a second direction. The energy storage member is configured to store energy when the electrical actuator causes the valve stem extension to drive the return member in the first direction and to release the energy stored therein when a disruption of power causes the return member to drive the valve stem extension in the second direction. The locking assembly is configured to hold the return member in a cocked position such that the valve stem extension rotates with the valve independently of the return member and free of influence from the energy storage member while the power is applied to the electrical actuator. | 02-19-2009 |
20090050830 | DUAL BUTTERFLY VALVE DRIVEN BY A COMMON DRIVE MOTOR - A valve including a body delimiting an inlet duct opening into a first and second outlet duct. The body includes a first butterfly valve element and a second butterfly valve element. The first butterfly valve element is mounted on a first transmission gearwheel connected to a drive motor and is movable into two closed positions on either side of an open position of the first duct. The first transmission gearwheel is connected to a second transmission gearwheel, on which the second butterfly valve element is connected by a one-way positive drive element. When the first butterfly valve element is moved from an open position to one of the two closed positions in the first duct, the second butterfly valve element is driven from a closed position to an open position of the second duct. The valve includes a member for returning the second butterfly valve element to the closed position. | 02-26-2009 |
20090078898 | VALVE OPENING AND CLOSING CONTROL APPARATUS - When a control unit variably controls an electric power supplied to an electric motor to repeat a valve opening and closing movement of a valve between a first intermediate position and a second intermediate position through a neutral position, the control unit initially sets the neutral position as a control target value until a valve position, which is sensed with a valve opening degree sensor, is located immediately before the neutral position. The control unit thereafter changes the control target value to the first intermediate position or the second intermediate position when the control unit determines that the valve position, which is sensed with the valve opening degree sensor, reaches the neutral position. | 03-26-2009 |
20090114861 | CONTROL SYSTEM FOR DYNAMIC ORIFICE VALVE APPARATUS AND METHOD - In a fluid transmission line, a valve comprising a housing that establishes a lumen for transmission of a fluid through said valve; a drive mechanism and a drive gear mounted in said housing to be selectively driven in a first or second rotational direction by said drive mechanism. The drive gear has a central throughhole and a plurality of pins around the central throughhole. A plurality of leaves are pivotally mounted on the pins, and oriented to extend radially inward into said central throughhole. A fixed extension has an annular aspect disposed in the drive gear, and has a plurality of engagement members disposed to operatively engage one of said leaves. The engagement members bias the leaves to close an orifice when said drive gear rotates in said first direction and to open the orifice when said drive gear rotates in said second direction. Each of the leaves maintains a substantially sealing engagement with each adjacent leaf throughout a range of motion of the leaves. | 05-07-2009 |
20090114862 | Anti-Twist Device for An Actuating Motor - An anti-twist device retains an actuating motor ( | 05-07-2009 |
20090309053 | Fluid Admission System for Providing a Pressure-Balanced Valve - A valve assembly includes a valve housing located between a fluid inlet region maintained at a first pressure and a fluid outlet region maintained at a second pressure. A movable metering plate is located within valve housing. A fixed metering plate interacts with the movable metering plate to meter fluid flow through the valve housing. An armature is coupled to the movable metering plate and is configured to move the movable metering plate from a closed position toward an open position. The fluid admission system further includes a balancing region to balance pressure related forces acting on the movable portions of the valve, including the metering plate. A balance passageway is in communication with the balancing region and the fluid outlet region to maintain the balancing region at the second pressure of the fluid outlet region when the movable metering plate is in the closed position. | 12-17-2009 |
20100038570 | Regulating valve particularly for regulating the flow of refrigeration fluids - A regulating valve has a valve body, with an inlet and an outlet for fluid, which are connected by a connecting opening, and a flow control device for the connecting opening, inserted in a seat formed in the valve body. The flow control device has a piston for controlling flow within the connecting opening which is functionally connected to an electric motor adapted to make it slide within a cylinder along a sliding axis, and a monolithic tubular jacket that surrounds, determining its coaxiality, the rotor of the electric motor and the flow control piston, further providing the cylinder. | 02-18-2010 |
20100044606 | VALVE FOR CONTROLLING VOLUMETRIC FLOWS - The invention relates to a valve for controlling volumetric flows in a heating and/or cooling system of a motor vehicle, comprising a valve housing ( | 02-25-2010 |
20100044607 | PLATE ROTATING DEVICE, EXHAUST PATH OPENING DEGREE CHANGING DEVICE, EXHAUSTED DEVICE, TRANSFER DEVICE, BEAM DEVICE, AND GATE VALVE - To provide a mechanism in which a moving body can be stored in a housing. A gate valve has a slide plate and a moving mechanism for changing the positions in the radial and axial directions of the slide plate. A shaft is a rotating shaft the axial displacement of which is controlled by an axial driving mechanism and the angle of rotation of which is controlled by a radial driving mechanism, and is tumably supported in the housing by a shaft supporting spring consisting of a magnetic bearing and a conical coil spring. By controlling the attraction force of a balance weight in an electromagnet, the shaft can be moved in the radial direction. Also, by controlling the attraction force of an electromagnet target in the electromagnet, the shaft can be moved in the axial direction. | 02-25-2010 |
20100096574 | THROTTLE VALVE HAVING MAGNETIC FLUID SEAL STRUCTURE - A throttle valve having a magnetic fluid seal structure, which includes a main plate installed at an end of an outlet of a chamber, an opening/closing plate installed at an inside of the main plate, an electric motor coupled to a rotation shaft of the opening/closing plate and a driving unit disposed between the opening/closing plate and the electric motor, wherein the driving unit includes a housing for covering a portion between the main plate and the electric motor and bearings which are coupled to inner opposite sides of the housing to support the rotation shaft, the throttle valve including magnetic members which are coupled to inner sides of the bearings disposed at opposite sides of the driving unit and have annular seal grooves formed on outer surfaces in close contact with an inner surface of the housing, and magnetic fluids filled in the seal grooves in a colloidal state in which magnetic fine particles are mixed with liquid. | 04-22-2010 |
20100096575 | Device for the Linear Displacement of a Valve Member - The device includes a spindle rotatably supported perpendicular to a value displacement direction and is made of a first spindle part and a second spindle part. The two parts are provided with outside threads configured in opposite directions to each other. On the first spindle part, a first nut having a complementary inside thread is applied. On the second spindle part, a second nut having a complementary inside thread is applied. The first nut includes a first bearing for the rotatable support of one end of a first connecting rib. The second nut comprises a second bearing for the rotatable support of one end of a second connecting rib. The other end of the first connecting rib and the other end of the second connecting rib are rotatably supported on a third bearing. Parallel to the spindle, on the side thereof facing away from the valve member, a stop is provided for the first nut and for the second nut, the stop surface extends perpendicular to the displacement direction of the valve member. | 04-22-2010 |
20100102260 | ELECTROMECHANICAL ACTUATOR DEVICE, IN PARTICULAR FOR THE ACTUATION OF FLUID VALVES - The device ( | 04-29-2010 |
20100108925 | Multi-way selector valve - To provide a multi-way selector valve properly used for a vehicle, with a smooth flow path switching operation even in case of a large pressure difference between the inside and outside of a valve body, a reduced refrigerant passing noise at a time of switching a flow path, and an easy flow path switching operation, the multi-way selector valve includes a valve body | 05-06-2010 |
20100171055 | Liquid-Chromatography Apparatus Having Diffusion-Bonded Titanium Components - An HPLC apparatus includes a heat exchanger formed from diffusion-bonded first and second titanium substrates. At least two conduits for counterflow are defined between the first and second substrates. | 07-08-2010 |
20100171056 | Gate Valve Rotary Actuator - A valve actuator comprising a screw member coupled to a valve stem and a sleeve such that rotation of the sleeve causes translation of the valve stem. The sleeve has a first end that is rotatably coupled to a housing that is fixably coupled to a valve body and a second end that projects out of the housing. The valve stem is partially disposed within the sleeve and extends into the valve body. A transmission is coupled to the housing and engaged with the sleeve. A motor is coupled to the transmission so that operation of the motor causes rotation of the sleeve. | 07-08-2010 |
20100270485 | Valve Actuator - The invention concerns a valve actuator ( | 10-28-2010 |
20100276616 | FLOW CONTROL VALVE - The present invention relates to a flow control valve that is capable of rapidly supplying hot water at a user's desired temperature by promptly controlling the opening rate of a valve depending on the flow of supplied direct water. In order to implement this, the flow control valve according to the present invention includes a motor that rotates in both directions; an opening and closing member that reciprocates by rotation of the motor to control the opening rate of a channel; a position varying member of which a position varies integrally with the opening and closing member by the rotation of the motor; and a valve opening rate sensing unit that senses the opening rate of the valve from an output voltage varying depending on the position of the position varying member. | 11-04-2010 |
20100276617 | FLOW CHANNEL SWITCHING VALVE - In order to improve the durability of a rotor, a flow channel switching valve is provided, which includes a stator having a contact plane and a rotor having a contact plane. The stator has circulation openings on the contact plane, and the circulation openings are respectively connected to a plurality of flow channels. The rotor has at least one groove for communicating two of the circulation openings of the stator. The rotor is forced to press against the contact plane of the stator to rotationally slide, so as to switch the circulation openings of the stator that need to be communicated. Polishing is performed on the contact plane of the stator after being applied with a diamond like carbons coating. Furthermore, the contact plane of the rotor is made of a resin. | 11-04-2010 |
20100308242 | Actuator for Actuating a Valve Flap in a Valve Seat - In an actuator, an electric motor having a pinion is disposed, which engages directly in the teeth of a gear wheel having spline teeth, which is fixedly connected directly to the drive shaft, on which the valve flap is disposed. A use of the actuator for actuating an exhaust gas recirculation valve of a motor vehicle. | 12-09-2010 |
20100314566 | SYSTEM AND METHOD OF STEP DETECTION FOR A STEPPER MOTOR - A stepper motor and controller are provided for controllably adjusting the angular displacement of a rotor. The stepper motor has a plurality of stator coils that are configured to effect rotation of the rotor upon application of a voltage thereto. The stepper motor further includes one or more sensing coils, where rotation of the rotor generates an induced voltage in the one or more sensing coils. A controller is included for processing the induced voltage signals, and is configured to output a constant vector value that does not change in value where the induced voltage signals are indicative of the rotor rotating in a continuous manner, and to output a diverging vector value where the induced voltage signals are indicative of the rotor being inhibited from rotating. The controller is configured to determine the rotor's angular displacement from the constant vector value, and to detect occurrence of the rotor being inhibited from rotating from a diverging vector value. | 12-16-2010 |
20110031425 | MOTOR OPERATED BUTTERFLY VALVE - A system for operating a valve including a motor shaft driven by a motor, a cam, a non-contact sensor, and a butterfly valve plate mounted on a butterfly valve shaft. The cam has an exterior profile and is mounted to the motor shaft. The non-contact sensor is proximate to the cam's exterior profile. The butterfly shaft is coupled to the motor shaft. A selected position of the butterfly valve plate may be set by activating the motor to a position determined by sensing the cam profile by the non-contact sensor. | 02-10-2011 |
20110062360 | Stop Valve - A stop valve is provided for a hydraulic system. The stop valve includes a valve slide that can be moved to a closed position and to an open position. A blocking device for limiting the activation of the valve slide is provided at an intermediate position located between the closed position and the open position, wherein, in this intermediate position, the opening cross section of the stop valve equals only a fraction of the opening cross section present in the open position. The blocking device is constructed such that limiting the activation of the valve slide by the blocking device is realized as a function of a pressure difference value between a pressure in front of and a pressure behind the stop valve, wherein the limiting can be canceled when the value falls below a given pressure difference value. This guarantees a pressure balance controlled according to the flow when the stop valve is opened. | 03-17-2011 |
20110155935 | CONTROL VALVE FOR A COOLING SYSTEM - A control valve for a cooling system for hydraulic fluid in hydraulic control systems in wind power turbine or similar control systems comprising a valve member. An electrical powered modulating rotary actuator oscillates with predominantly constant velocity in a valve housing or manifold, wherein the valve housing or manifold comprises a main channel, a control channel and channels. The valve member is a cylindrical member with a side recess with an adjustable shape which is adjusted in accordance with a desired control characteristic of the control valve. The electrical modulating rotary actuator executes oscillating or swinging movements between extreme predetermined angular positions. The control valve is for use in cooling systems for hydraulic fluid in hydraulic control systems in wind power turbine or similar control systems, where the importance of precise and reliable temperature control is significant. | 06-30-2011 |
20110175006 | VARIABLE SPEED ACTUATOR - A valve actuator including an electric motor is disclosed that includes a solid-state motor controller capable of operating a motor at variable speeds and a gear set that provides inherent braking. The speed and torque of the valve actuator may be selected. The speed and torque experienced by a valve may be varied over the length of a valve stroke. The valve actuator may include logic sufficient to act as a process controller. | 07-21-2011 |
20110315906 | FEMALE SCREW MEMBER, MOTOR OPERATED VALVE USING THE SAME, AND METHOD FOR PRODUCING FEMALE SCREW MEMBER FOR MOTOR OPERATED VALVE - A female screw member includes a female screw part with a female screw, and a projection part projecting in the direction of a center shaft of the female screw and having a working face in the rotating direction centering on the center shaft. The female screw part and projection part are integrally molded with a resin. The projection part has a spiral inclination face spirally inclining by one round from the working face centering on the center shaft of the female screw. The height H of the working face is equal to or smaller than a pitch P of the female screw. Using the projection part as a fully opening fixing stopper, a motor operated valve includes a valve main body having a valve seat, the female screw member attached to the valve main body, a motor having a rotator and stator, and a valve shaft. The valve shaft is screwed to a female screw of the female screw member, and is rotated and driven by the rotor, and has a fully opening movable stopper capable of contacting the fully opening fixing stopper. | 12-29-2011 |
20120012768 | STEPPER MOTOR OPERATED BALANCED FLOW CONTROL VALVE - A flow control valve includes a body having a body bore oriented coaxially with a longitudinal axis of the body and a seat member extending into the bore. A valve member is slidably disposed in the bore and oriented coaxially with the longitudinal axis of the body. The valve member includes a non-circular geometrically shaped head having a bore. A drive adapter includes a head receiving cavity slidingly receiving the geometrically shaped head of the valve member and preventing axial rotation of the valve member. A stepper motor is connected to the drive adapter, the stepper motor incrementally rotating a shaft engaged with the bore of the valve member. First and second equal diameter pistons of the valve member provide pressure balanced valve member operating positions. | 01-19-2012 |
20120080622 | NON-CONTACT TORQUE SENSING FOR VALVE ACTUATORS - Non-contact torque, thrust, strain, and other data sensing of a valve actuator or valve is disclosed. A sensor may include a surface acoustic wave device. | 04-05-2012 |
20120085952 | VALVE DEVICE FOR A COMBUSTION ENGINE - The invention relates to a valve device for a combustion engine, in particular of an automobile, comprising a housing with at least two fluid connections and a hollow valve element rotatable between at least two rotational positions via a valve shaft supported rotatably in the housing, which valve element comprises at least two openings, which, depending on the rotational position of the valve element, can be connected with the fluid connections of the housing, further comprising an electromotive drive with a drive shaft for rotating the valve element, the drive shaft and the valve shaft being connected via a coupling with one another. According to the invention, the coupling connects the drive shaft and the valve shaft torque-proof with one another up to a predetermined threshold torque and releases the torque-proof connection between the drive shaft and the valve shaft above the predetermined threshold torque, so that rotation of the valve shaft relative to the drive shaft is possible. | 04-12-2012 |
20120138827 | ELECTRIC WASTE GATE ACTUATOR FOR TURBOCHARGER - Provided is an electric waste gate actuator for a turbocharger, which includes a return spring for assisting a retention force of a final output gear, and a stopper for adjusting a rotation angle of the final output gear, thereby reducing an amount of a current consumed for maintaining the final output gear at a constant position. The electric waste gate actuator for a turbocharger includes: a housing having an installation space formed by a body and a cover; a driving motor installed within the installation space; a decelerator including gear trains provided with a plurality of gears, such that the decelerator is coupled to a lever installed outside the housing and transmits power of the driving motor; and an elastic member cooperating with the driving motor so as to maintain a rotation angle of a final output gear for finally transmitting power to the lever among the gear trains. | 06-07-2012 |
20120223262 | ELECTRIC EXPANSION VALVE - An electronically controlled stepper motor valve utilizes an electric feed through assembly providing electrical connection between the stepper motor and a mating cable connector; wherein the electric feed through assembly includes four individual leads that are sequenced to allow the mating cable connector to be installed in any of four positions, each 90 degrees apart. The ability to use a 90 degree elbow style cable connector allows the EEV footprint to be minimized which provides an advantage when the electric expansion valve is installed in the tight confines of a package system. | 09-06-2012 |
20120248355 | MOTOR-OPERATED VALVE - To provide a small motor-operated valve which can control a high flow, there is provided a motor-operated valve of which a body has an orifice, seat and a valve element provided opposite to the seat. The valve element is operated by a driver which is driven to rotate by an output gear to which the rotation of a rotor having been reduced by means of a mechanical paradox planetary gear mechanism is transmitted. To force the valve element in the direction in which the valve is opened, a coil spring is disposed in a bore formed in the upper portion of the body oppositely to a bush. | 10-04-2012 |
20120319019 | LEAK-FREE RECIPROCATING STEMMED VALVE - A valve assembly comprising an adapter plate assembly comprising an adapter plate, a bonnet with a center and a threaded shaft extending through the center of the bonnet; an actuation assembly comprising an outer enclosure and an outer magnetic cartridge that is magnetically coupled to an inner magnetic cartridge; and an inner valve assembly comprising an inner enclosure and a planetary gear subassembly comprising one or more planetary gears. | 12-20-2012 |
20130043416 | ELECTRIC MOTOR DRIVEN VALVE - An electric motor driven valve for use in gas meters, has at least one valve unit (V) with a valve body and a valve element, a drive unit (A) and a connection unit (S). The units (V, A, S) can be connected to each other and separated from each other, in a modular manner. The valve element is a spherical or cylindrical valve element that is sealed relative to the valve body by means of only one sealing element, which is preferably a lip seal. The valve body has two recesses in which the valve element is rotatably mounted. | 02-21-2013 |
20130056660 | ELECTRONIC COOLANT VALVE WITH INTEGRAL ACTUATOR MECHANISM - An electronic coolant valve mechanism with an integral actuator mechanism. The coolant valve mechanism utilizes an electric motor and a planetary roller mechanism integrated into a valve body to translate and operate a valve member in a linear direction. A manifold can include a plurality of coolant valve mechanism operating independently by a control system. | 03-07-2013 |
20130068976 | Valve - A valve with a housing including an inlet opening and an outlet opening for a fluid; a closure element through which a flow of the fluid is controllable; an actuation device including an electric actuator for adjusting a closure cross section of the closure element; a drive housing at which a stator of the electric actuator is fixated, wherein a moveable moving element of the electric actuator is kinematically coupled with the closure element in an inner cavity of the drive housing which is loaded with a pressure from the fluid, wherein the stator is disposed in the inner cavity, and wherein the inner cavity of the drive housing is separated from the fluid through a moveable divider element. In order to use a valve with an actuator disposed in an abrasive fluid the inner cavity of the drive housing is separated from the fluid through a moveable divider element. | 03-21-2013 |
20130068977 | Multi-Mode Injection Valve - A multi-mode injection valve includes a stator having an outer stator face and an inner stator face; a plurality of fluid ports in the outer stator face; a plurality of fluid orifices in the inner stator face, the fluid orifices disposed in fluid communication with the fluid ports, respectively; a rotor having a rotor surface engaging the inner stator face of the stator; a plurality of rotor grooves in the rotor surface of the rotor, each of the rotor grooves adapted for fluid communication with a pair of the fluid orifices depending upon a rotational or angular position of the rotor with respect to the stator; and an actuator unit engaging the rotor, the actuator unit adapted to rotate the rotor relative to the stator. | 03-21-2013 |
20130207013 | Pulse Valve - A pulse valve for generating a high-volume pulsating fluid stream from a fluid supplied to the pulse valve from a pressure-generating unit. Window cut-outs are disposed opposite one another in pairs, in a housing wall, and form a first channel for conducting a constant, stationary sub-stream, a second channel for generating a second sub-stream that forms a basic pulse component, and a third channel for generating a third sub-stream that forms an additional pulse component. A rotatable rotor shaft disposed in the interior of the housing is provided with respective rotor blade assemblies associated with the second and third channels respectively. Upon rotation of the rotor shaft, the rotor blade assemblies, in cooperation with boundary edges of the window cut-outs of the second and third channels, periodically either allow a fluid stream impinging on the pulse valve to pass through the housing, or to interrupt such passage. | 08-15-2013 |
20130207014 | FLOW CONTROL VALVE AND A METHOD OF ASSEMBLING A FLOW CONTROL VALVE - A flow control valve ( | 08-15-2013 |
20130234057 | Valve For An Agricultural Spraying Machine - A valve for agricultural spraying machines. The valve is used to control a flow rate of a spray medium in accordance with a valve position. For this purpose, the valve comprises an electrically operated actuator, which can change the valve position of the valve. The valve comprises an electrical energy store, which stores electrical energy for operating the actuator. The valve further has a control and evaluation unit, which is configured to charge the electrical energy store and to control the actuator. The electrical energy store has a capacity that ensures at least two switching operations of the valve. The control and evaluation unit is configured to control the actuator to generate a periodic movement with a defined number of movement strokes and a defined amplitude for shaking free the valve by the help of the electrical energy store if the valve is soiled or gridlocked. | 09-12-2013 |
20130270470 | VALVE UNIT - A valve unit, having a housing, a flap, which is rotatably arranged in the housing and connected to a flap shaft supported in the housing, an electric motor for driving the flap shaft, and a transmission arranged between the electric motor and the flap shaft. A coupling, which consists of a flap-side component, an intermediate piece, and a transmission-side component is arranged between the flap shaft and a shaft of the transmission. At least one of the three coupling parts has at least two first holes of a same radial orientation. At least two second holes are arranged, perpendicular to the first holes. Molded elements of an adjacent component of the coupling engage in the holes and the holes have a greater extension with respect to the radial orientation of the holes than the molded elements that engage in the holes. | 10-17-2013 |
20130284959 | HIGH-PRESSURE CONTROL VALVE FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY - A high-pressure switching valve includes a stator and a rotor. The stator includes a plurality of ports where each port is connected at one end to a port connection and having at another end a predetermined port opening cross section at a stator end face of the stator. The rotor includes a rotor end face and at least one or a plurality of grooves. The rotor can be configured to have a rotary position with respect to the stator where two predetermined port opening cross sections connect to one of the grooves in a pressure-tight manner. The rotor and the stator can be pressed together in a sealing manner at the rotor end face and the stator end face in regions away from the port opening cross sections and the at least one or a plurality of grooves. The rotor and the stator each include a hard material. The rotor can be configured to wobble or tilt with respect to a rotational axis of the rotor. | 10-31-2013 |
20130306892 | DEVICE FOR ACTUATING A CONTROL VALVE - An apparatus for activation of a control valve is configurable as a slide, ball valve, rotary slide, poppet valve, or the like, and controls or regulates pressure-impacted media, for example, regulating the coolant volume stream of an internal combustion engine. A push piston linearly displaceable in a piston guide rigidly disposed on the flow housing, with an activation joint, is fastened onto the flow housing. A connecting rod is disposed in the activation joint. A push joint is disposed at the push piston end that lies opposite the activation joint, in which push joint the activation element of a control valve is displaceably and/or rotatably disposed. A reset spring is disposed adjacent to the push joint and acts on the push piston, in the direction of its longitudinal axis, so that the push piston always lies against the connecting rod without play, with the activation joint. | 11-21-2013 |
20130306893 | SHUTOFF VALVE DEVICE - A shutoff valve according to the present invention includes: a motor configured to cause a rotating shaft to rotate; a lead screw formed on the rotating shaft; a lead nut into which the lead screw is screwed; and a valve element configured to block a passage, the valve element being configured to move in an axial direction in accordance with rotation of the rotating shaft. A dry lubricating coating is formed on a contact surface where the lead screw and the lead nut come into contact with each other. A thread pitch of the lead screw is set such that a current applied to the motor, the current being in relation to an inductance of the motor, is in a range that does not cause explosion of the fuel gas and that allows thrust force necessary for moving the valve element to be obtained. | 11-21-2013 |
20130341543 | VALVE - A valve having a housing, a flap rotatably arranged in the housing and connected to a drive shaft mounted in the housing, an electric motor for driving the drive shaft, having a gearing which has at least one toothed segment and which is arranged between the electric motor and the drive shaft, and a sensor, which has a magnet, for determining the angle of rotation of the flap. The toothed segment has at least two detent hooks that engage around the magnet. Furthermore, at least one spring element is provided which preloads the magnet against the detent hooks. | 12-26-2013 |
20140042348 | CHOKE VALVE WITH SHORT BONNET - The disclosure provides a choke valve with a body having a flow path therethrough; a sealing member coupled to the choke body and having ports through which fluid can flow; a control sleeve aligned with the sealing member along a longitudinal axis and configured to cover the ports to restrict flow in the flow path; a stem coupled to the control sleeve and configured to move the control sleeve along the longitudinal axis to cover the ports; a drive bushing rotationally coupled to the stem; an actuator coupled to the drive bushing and configured to rotate the drive bushing; a bonnet coupled to the choke body and having a bore that longitudinally engages the control sleeve; and an anti-rotation surface formed in each of the bonnet and the control sleeve to resist rotation of the control sleeve and the stem when the drive bushing is rotated around the stem. | 02-13-2014 |
20140042349 | SWITCHING VALVE FOR LIQUID CHROMATOGRAPHY - A switching valve includes a stator and a rotor. The stator includes multiple connection ports. The rotor has predetermined switching positions and interacts with the stator to form a fluidic connection or a fluidic disconnection of predetermined connection ports. The rotor can be mounted rotatably via a bearing and pressing device loaded with a predefined pressing force in a direction of the stator. The bearing and pressing device includes a compensation element to load the rotor and transmit the pressing force. The compensation element is configured to make an elastic flexural deformation so that the compensation element loads the rotor when the rotor is wobbling with respect to an axis of rotation. | 02-13-2014 |
20140042350 | SWITCHING VALVE FOR LIQUID CHROMATOGRAPHY - A switching valve includes a stator and a rotor. The stator includes multiple connection ports. The rotor having predetermined switching positions and interacts with the stator to form a fluidic connection or a fluidic disconnection of predetermined connection ports. The rotor being mounted rotatably via a bearing and pressing device, where the bearing and pressing device is arranged in the housing and loaded with a predefined pressing force in a direction of the stator. The bearing and pressing device includes a spring unit, being supported against a receiving part mounted to rotate about a rotor axis. The receiving part is coupled rotationally conjointly to the rotor and has a drive region which faces away from the stator and is coupled to an output of a drive device. | 02-13-2014 |
20140042351 | SWITCHING VALVE FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY - A switching valve is described that has a stator which is arranged in a housing and which has multiple connection ports. The switching valve also has a rotatable rotor which is arranged in the housing and which, in predetermined switching positions defined by associated angular positions, interacts with the stator for the fluidic connection or separation of predetermined connection ports. The rotor is rotatably mounted, and acted on with a predefined pressing force in the direction of the stator, by means of a bearing and pressing device arranged in the housing. The bearing and pressing device has a spring device which exerts a load on the rotor or on an element that is capable of performing a wobbling movement. | 02-13-2014 |
20140097368 | FLOW REGULATING VALVE - Disclosed in the present invention is a flow regulating valve comprises a valve seat ( | 04-10-2014 |
20140103238 | ELECTRONIC EXPANSION VALVE - Disclosed in the present invention is an electronic expansion valve, which comprises a valve seat assembly ( | 04-17-2014 |
20140124688 | ROTARY ACTUATOR FOR ENERGY EFFICIENT ICE CUBE DISPENSER DOOR SYSTEM - A rotary actuator suitable for use in a refrigerator ice-dispensing door provides a rotating shaft driven by a DC permanent magnet motor through a gear train and subject to a returning force of an internal spring. The gear train communicates with a switch to reduce current to the motor when a limit of travel is reached and a shunting path is provided around the motor to produce generative braking when power is removed from the motor and the actuator rotates backward to its initial position. | 05-08-2014 |
20140231684 | STEPPING MOTOR AND MOTORIZED VALVE USING IT - To provide a stepping motor which can precisely and reliably detect stopping of a rotor with respect to a stopper with a simple structure, i.e., positioning of a base point of the rotor, and provide a motorized valve using it. | 08-21-2014 |
20140231685 | DEVICE FOR A SPRING RETURN VALVE ACTUATOR AND METHOD OF OPERATING A VALVE - A device for a valve actuator is described, the valve actuator being provided with a spindle nut surrounding a portion of an actuator spindle and engaging an external threaded portion arranged on the actuator spindle, the spindle nut being axially fixed relative to the actuator spindle, and the actuator spindle being in rotation-preventing engagement with an end cap or an actuator housing, and the spindle nut being connected via transmission means to a first driving motor. | 08-21-2014 |
20140264112 | Device for Controlling a Flow of Coolant and/or Lubricating Oil - The invention relates to a device for controlling at least one cooling oil flow and/or lubricating oil flow by means of at least one valve ( | 09-18-2014 |
20140291562 | Control Valve Driven By Stepping Motor - A control valve according to an embodiment includes: a body having an inlet port, an outlet port, and a valve hole that communicates the inlet port and the outlet port together; a valve element configured to open and close a valve section; a drive mechanism configured to drive the valve element; a stepping motor having both a rotor for operating the drive mechanism and a stator for rotationally driving the rotor; and a can that is a cylindrical member covering a space where the valve element and the drive mechanism are arranged and involving the rotor and that defines a pressure space and a non-pressure space. The can is fixed to the body with a ring screw, and the stator is arranged at an outer circumference of the can and fixed to the body with a screw member. | 10-02-2014 |
20140306134 | GATE VALVE COMPRISING A VALVE BODY - A gate valve includes a valve body and a spindle drive. The spindle drive has, at its one end, a wedge for blocking a pipe. The spindle drive includes a motor-driven spindle, wherein, wherein the spindle is connected by way of a coupling to a shaft in an axially displaceable manner, and the shaft has the wedge at its end. | 10-16-2014 |
20140306135 | Automate fluid flow control system - An automate fluid flow control system includes a relief valve for being sealedly disposed within a fluid chamber in an immovable manner to seal a flow of fluid flowing from a fluid inlet to a fluid outlet, and an actuator. The relief valve has a fluid passage for controlling a flow rate of the fluid passing from the fluid chamber to the fluid outlet, and a valve stopper sealedly closing the fluid passage for controlling the fluid flowing from the fluid chamber to the fluid outlet, wherein the valve stopper is driven to move between a closed position that the valve stopper is sealedly retained to close the fluid passage for blocking said fluid passing to the fluid outlet, and an opened position that the valve stopper is moved to unseal the fluid passage for allowing the fluid passing to the fluid outlet through the fluid passage. | 10-16-2014 |
20140319391 | FEMALE SCREW MEMBER, MOTOR OPERATED VALVE USING THE SAME, AND METHOD FOR PRODUCING FEMALE SCREW MEMBER FOR MOTOR OPERATED VALVE - A female screw member includes a female screw part with a female screw, and a projection part projecting in the direction of a center shaft of the female screw and having a working face in the rotating direction centering on the center shaft. The female screw part and projection part are integrally molded with a resin. The projection part has a spiral inclination face spirally inclining by one round from the working face centering on the center shaft of the female screw. The height H of the working face is equal to or smaller than a pitch P of the female screw. Using the projection part as a fully opening fixing stopper, a motor operated valve includes a valve main body having a valve seat, the female screw member attached to the valve main body, a motor having a rotator and stator, and a valve shaft. The valve shaft is screwed to a female screw of the female screw member, and is rotated and driven by the rotor, and has a fully opening movable stopper capable of contacting the fully opening fixing stopper. | 10-30-2014 |
20140326910 | RING GATE CONTROL SYSTEM AND CONTROL METHOD - Ring gate control system and control method are disclosed herein. An example ring gate control system includes a first servomotor group, a second servomotor group, and a third servomotor group. Each servomotor group is associated with a respective control point located around an annular face of a ring gate. The servomotors within the groups coupled to the annular face of the ring gate at respective linkage points, a transmitter coupled to the annular face of the ring gate and a control valve coupled between a hydraulic source and the at least two actuators and a controller coupled to each of the control valves and to each of the transmitters. The controller is separately operating a closed control loop for each servomotor group to control positions of the control points to control a horizontal orientation of the ring gate. | 11-06-2014 |
20140346380 | Electrically Operated Valve Assembly - An electrically operated valve assembly has a valve element moved by an actuator. The actuator has a motor connected to an output via a gear train. The output is connected to the valve element. The gear train has a gear ratio which is variable depending on the actuation angle of the output shaft. Optionally, a return spring is arranged to resiliently return the output shaft to an initial actuation angle when the motor is not active. | 11-27-2014 |
20150008349 | APPARATUS TO PROVIDE MOTOR BACKDRIVE RESISTANCE - Apparatus to provide motor backdrive resistance are described. An example apparatus described herein includes a brake to engage an output shaft of a motor. The example apparatus also includes a brake release arm operably coupled to the brake. A reaction arm is fixed relative to the brake release arm and operatively coupled to the motor. The reaction arm causes the brake to disengage the output shaft of the motor in response to a reaction torque of the motor. | 01-08-2015 |
20150014559 | GAS CONTROL VALVE - The invention relates to a gas control valve for the control of a quantity of gas to be supplied to a gas burner, having a direct pressure regulator which has a valve body that can be moved by an electronically controlled stepper motor. | 01-15-2015 |
20150048269 | BIDIRECTIONAL BLOCKAGE-FREE GEAR-DRIVEN SHUTOFF VALVE FOR GAS METER PURPOSE - A bidirectional blockage-free gear-driven shutoff valve for gas meter purpose, and belongs to an electromechanical valve for gas meter includes an outer housing in which an inner housing is installed; a motor, a gear box and a valve rod are installed in the inner housing; a ratchet duplex gear and an incomplete gear are also installed in the gear box; the ratchet duplex gear is meshed with driving gear and the incomplete gear respectively; the incomplete gear is configured with a eccentric shaft which inserts into the connecting hole at the end of the valve rod; seal ring of a static seal and a reinforcement dynamic seal are utilized for the motor, which avoid corrosion of motor coil by natural gas and improve the safety of the electromechanical valve; the ratchet duplex gear is added in the gear box to match locking and unlocking between the incomplete gear and locking piece. | 02-19-2015 |
20150069279 | AXIAL VALVE - The invention relates to an axial valve comprising an actuator ( | 03-12-2015 |
20150102244 | ACTUATOR AND VALVE ARRANGEMENT - A number of variations may include an actuator and valve arrangement. | 04-16-2015 |
20150108381 | ELECTROMAGNETIC VALVE APPARATUS WITH NONLINEAR SPRING - An electromagnetic valve apparatus with nonlinear springs for variable valve timing in an internal combustion engine. The apparatus includes a valve, floating spring assembly, translational cam, and motor. The cam and spring serve to minimize lash and valve stem bending forces. During opening and closing of the valve, spring potential energy is converted into valve kinetic energy and then back into potential energy at the end of the motion. The potential energy is then available for the next opening/closing event. The motor initiates motion, replaces friction and vibration losses, and terminates motion. However, the motor supplies minimal energy as the valve opens and closes, and vice-versa, naturally due to combined effects of system inertia and the nonlinear spring. In addition to valve control, the apparatus may be applied to fuel injectors, or any reciprocating linear or rotary mechanism where electronic control is used. | 04-23-2015 |
20150300298 | OVERMOLDED MOTORIZED VALVE WITH IMPROVED SEALING - A motorized valve is made up of a closable pipe, of a valve shutter, of a rotary electromagnetic actuator and of an overmoulding plastic material, the actuator being formed of a stator assembly, of a rotor secured to a spindle, the valve shutter being positioned progressively by the actuator using the spindle and able to shut off the pipe, the overmoulding plastic material surrounding and being secured at least in part to the actuator and forming the pipe at least in part, the static sealing being afforded by overmoulding plastic material common to the actuator and the pipe, and the overmoulding material having passing through it a passage that is rendered fluid-tight for guiding the spindle that connects the valve shutter and the rotor. | 10-22-2015 |
20150333597 | VALVE PROVIDED WITH A MULTIPHASE LINEAR ACTUATOR FOR HIGH PRESSURE DOSING - The present disclosure concerns a fluid dosing valve displaced by an electric actuator generating the translation of a shutter, the electric actuator including a multiphase motor including a stator having a plurality of wound poles formed by stacking a plurality of sheets and a rotor including a transmission transforming rotational movement into the linear movement of an output member, a non-magnetic sleeve insulating the rotor from the stator, and magneto-sensitive elements for detecting the position of the rotor. These magneto-sensitive elements are placed on the outside of the sleeve and sense the position of the rotor through the insulating sleeve. | 11-19-2015 |
20160161014 | ELECTRONIC EXPANSION VALVE AND MANUFACTURING METHOD THEREFOR - An electronic expansion valve according to the present application includes a housing component and a valve seat assembly, the valve seat assembly includes a first connecting pipe and a second connecting pipe which are in a same straight line; a main valve cavity is formed by the valve seat assembly, and an included angle formed between the main valve cavity and the first connecting pipe is an acute angle; wherein the valve seat assembly is of an integral structure and is fixed to the housing component by welding, and a preset distance exists between the first connecting pipe and an extension line of a welding position of the valve seat assembly and the housing component in a radial direction. | 06-09-2016 |
20160169401 | STEPPER MOTOR OPERATED BALANCED FLOW CONTROL VALVE | 06-16-2016 |
20160186867 | Motorized Fluid Flow Control Valve - A fluid flow control valve includes a valve body and a motorized unit. The valve body is supported in a fluid system between a fluid inlet and a fluid outlet, and is moved between an opened condition for enabling a flow of fluid to flow from the fluid inlet to the fluid outlet and a closed condition for blocking the fluid to flow to the fluid outlet. The motorized unit includes an electric motor and an actuator which is operatively linked to the electric motor and is coupled with the valve body, wherein when the electric motor is activated, the actuator is driven to rotate to actuate the valve body to between the opened condition and the closed condition. | 06-30-2016 |
20160195195 | DIRECT-ACTION-TYPE ELECTRICALLY-OPERATED VALVE AND ASSEMBLY METHOD THEREFOR | 07-07-2016 |
20180023719 | EXHAUST SYSTEM AND CONTROL DEVICE | 01-25-2018 |