Class / Patent application number | Description | Number of patent applications / Date published |
251248000 | Gear | 45 |
20080217569 | Low Torque Gate Valve Mechanism - A gate valve apparatus provides a manually operated gate valve with an operation mechanism that reduces the force required to actuate the gate valve and minimizes the number of handwheel turns required. Disclosed is a gate valve apparatus including a valve body, a bonnet, a gate, a ball screw arrangement, a gear reducer arrangement and a handwheel. The ball screw arrangement, gear reducer arrangement, and the handwheel are associated with the valve stem and gate such that rotational force applied to the handwheel is converted by the gear reducer arrangement and the ball screw arrangement into linear force applied to the valve stem and then to the gate. | 09-11-2008 |
20090032758 | VALVE DRIVING MECHANISM FOR AN HVAC SYSTEM - An air conditioning system of the present invention for an automotive vehicle includes a housing having at least two sections connected by two side by side air passage. A blower device of the air conditioning system discharges air into the housing. An evaporator is disposed in one of the sections for taking heat from the air discharged from the blower device to produce cool air. A heater is disposed in the other section positioned downstream of the evaporator for adding heat to the cool air to produce warm air. First and second sliding valve plates mechanically communicating with a driving mechanism of the present invention are supported by the housing for selectively closing the two side by side air passages thereby regulating air flow of cool and warm air. | 02-05-2009 |
20090072178 | VALVE DEVICE - A valve device is provided. The valve device of the present invention includes a planetary component and two valve plates. The two valve plates are disposed on a hole portion of the planetary component opposite to each other, so as to provide a quick opening and closing with a relatively high opening and closing speed, and to reduce the space occupied. Therefore, the provided valve device does not need to perform adjustment (processing) to reduce the operating force on the sluice valve or to assure the closing function of the valve. Further, the function and the producibility of the valve are improved significantly. | 03-19-2009 |
20090194724 | Two Position Actuator Impact Limiter - A valve actuator for controlling a valve is provided. The valve actuator includes a torque transfer arrangement interposed between a return spring and a drive gear, the drive gear being biased by loading provided by the return spring. A drive coupling is interposed between the drive gear and the return spring and transfers load of the return spring to the drive gear. A torque transfer arrangement between the drive gear and drive coupling permits limited relative angular movement of the drive coupling relative to the drive gear. | 08-06-2009 |
20090302255 | Helical Spline Actuators - Helical spline actuators can be employed to actuate ball valves. In certain embodiments, an actuator can include a remote operated vehicle shaft, an internally splined shaft, and an externally splined shaft that can be used in combination to actuate a ball valve. In certain embodiments, an actuator can include a piston that is displaced axially and not rotated, an externally splined shaft, and an internally splined shaft that can be used in combination to actuate a ball valve. In certain embodiments, an actuator can include a piston, a spring, a spring cap, and a joint member wherein the spring cap and joint member translate axial force from the spring to the piston. In certain embodiments, an actuator can include a bearing that insulates a piston from rotational forces exerted by an externally splined shaft. | 12-10-2009 |
20100019183 | Gear Operated Shut Valve for a Ventilation System - A gear operated shut valve for a ventilation system in a motor vehicle is disclosed. The gear operated shut valve includes gear train. The gear train includes a driven gear that is associated with the shut valve and a driving gear that is associated with an outlet knob on an outlet of the ventilation system. The shut valve is substantially angled with respect to the outlet. | 01-28-2010 |
20100044610 | DEVICE FOR OPENING AND CLOSING OUTLETS OF A FLUID DISTRIBUTOR VALVE - A device for opening and closing outlets of a fluid distributor valve includes a body having outlets, and a bonnet housing a rotor submitted to the action of the inflowing fluid and connected to a reducing gear activating the closing device. The opening of the outlets is carried out with respective angularly sliding shutters being turned by successively shifting them in opposite directions to respectively obtain the opening and closing of the outlets. The rotation of the bonnets is determined by lugs below a base bushing bearing, the reducing gear operating on lugs fitted onto the edge of the bonnets. | 02-25-2010 |
20110001076 | Slide Valve, in Particular for Blocking a Line Conveying Media - A slide valve, in particular for blocking a line conveying media, is provided with a housing ( | 01-06-2011 |
20110049407 | Valve Actuator Having Spring Return Power - A spring return valve comprising a motor, a first worm member, a second planetary gear member, a second worm member, an elastic member, and a valve attached to said second worm wheel is provided. Since the first and the second planetary gear are installed between the first worm shaft and the second worm shaft and the elastic member is fitted onto the second worm shaft, the load applied on the output shaft can be reduced a lot, the opening and/or closing operation is very easy even if the elastic coefficient is small, thereby the reduction in size is possible. | 03-03-2011 |
20110180737 | VALVE FOR CONTROLLING VOLUME FLOWS - The invention proposes a valve ( | 07-28-2011 |
20110193003 | TORQUE LIMITER AND VALVE ACTUATOR - A torque limiter which can detect torque of both opening and closing of a valve and in which different torque values for opening and closing of the valve can be easily set. The torque limiter is provided with a torque arm having a connection section which is connected to a drive side gear and an intermediate gear and also having an arm section projecting from the connection section; an open side spring portion and a closure side spring means which apply spring force balancing with force acting, in proportion to torque of a load in opening and closing operation of the valve, in the direction of a tangential line at the meshing point of the intermediate gear; an open side torque detection switch and a closure side torque detection switch which are, when torque of a load in opening and closing operation of the valve exceeds a predetermined value, operated by the arm section; and a torque limiter shaft passed through the open and closure side spring portion. The torque limiter shaft is adapted such that spring force of each of the open and closure side spring portion can be adjusted from an end of the torque limiter shaft. | 08-11-2011 |
20120037825 | ACTUATOR AND EXHAUST GAS RECIRCULATION VALVE, WASTEGATE OR VARIABLE TURBINE GEOMETRY DEVICE OF A TURBOCHARGER COMPRISING AN ACTUATOR - An actuator comprising a drive, at least one rotatable threaded element and at least one output element driven in translation thereby is described, characterized in that the threaded element has at least two regions of differing pitch and a rotational axis of the threaded element is inclined relative to a translational axis of the output element. | 02-16-2012 |
20120056118 | VALVE OPENING AND CLOSING MECHANISM - A valve opening and closing mechanism includes: an input shaft | 03-08-2012 |
20120068098 | PLANETARY GEAR MECHANISM AND MOTOR-OPERATED VALVE USING THE SAME - The invention provides a planetary gear mechanism achieving a greater reduction gear ratio without increasing the number of teeth of the gears, thereby enabling downsizing. In a planetary gear mechanism | 03-22-2012 |
20120097877 | Selective Torque Operator For A Valve - A low torque operator for selectively engaging a gear unit in an actuating drive stem of a valve having a collar with an axial bore and a slot through its side. The slot includes a projection directed towards an upper end of the collar and has an edge oriented oblique to the collar axis. A drive shaft inserts in the bore, and a pin mounted in the drive shaft engages the slot during low torque conditions. The operator also includes an idler gear and a bullgear. A driven shaft with two drive pins inserts into the bore on a lower side of the collar. The upper of the two pins remains in contact with a shoulder formed on a lower end of the collar during low torque conditions. The lower of the two pins engages a shoulder formed on a lower side of the bullgear during high torque conditions. | 04-26-2012 |
20120138830 | Torque Multiplier for Valve Turning Machine - A vehicle with devices thereon for exercising the valves of a municipal water system includes a first arm with a valve turning machine at its outer end. A second arm is also attached to the vehicle, the second arm having a torque multiplier head having an input end and an output. A connector connects the valve turning machine to the input and the output of the torque multiplier applies increased torque to the stem of a valve. | 06-07-2012 |
20120138831 | MOVEMENT TRANSFORMATION DEVICE AND VALVE COMPRISING SUCH A DEVICE - The invention relates to a device for transforming a rotation of a gear ( | 06-07-2012 |
20120187319 | PLANETARY GEAR VALVE - A stemless ball valve comprising a first flange, second flange, ball, inner magnetic cartridge, outer magnetic cartridge, and planetary gear assembly. The inner magnetic cartridge is situated inside of the outer magnetic cartridge, and the inner and outer magnetic cartridges actuate the valve. The planetary gear assembly is situated between the inner magnetic cartridge and the ball. The planetary gear assembly comprises one or more planetary gear phases, each planetary gear phase comprising a step-down gear. Each planetary gear phase comprises one or more planetary gears that engage with the inner teeth of the outer ring of the planetary gear assembly and with a step-down gear. | 07-26-2012 |
20120211687 | ISOLATION VALVE WITH MOTOR DRIVEN SEALING MECHANISM - An isolation valve has a housing having a vent path and a sealing member that opens and closes the vent path. The sealing member is driven by a motor via a gear arrangement that links the sealing member with the motor. The motor drives the gear arrangement in a first direction to open the vent path and a second direction to close the vent path. During operation, a motor current rises when the sealing member reaches the first position and/or the second position. The controller detects the motor current rise and changes operation of the motor (e.g., stops the motor) in response. | 08-23-2012 |
20120248359 | Valve with Dual Rotation Valve Member - A valve with a dual rotational valve member is provided. The valve includes a first valve member and a second valve member. An actuation arrangement is operably positioned between the first valve member and the second valve member to rotate the first valve member in a first direction and the second valve member in a second direction opposite the first direction. This counter-rotation of the first and second valve members selectively aligns or misaligns a pair of flow ports of the first valve member with a pair of flow ports of the second valve member. When the pairs of flow ports are aligned, the flow path of the valve allows for straight through flow of a fluid through the valve thereby decreasing turbulence, back pressure, and noise. | 10-04-2012 |
20130075640 | LEARNING MECHANICAL STOPS IN A NON-RIGID INTERMEDIATE GEAR - A method for determining information regarding a final position of an element of a gear, in particular a drive gear wheel, the information regarding the final position representing a stop position of a throttle valve at a mechanical stop, includes moving the element from a starting position in the direction of the final position, until the element comes to a standstill despite a specified supply of drive energy; determining information regarding the position of the element at standstill despite the supply of drive energy; and determining the information regarding the final position in that information of a correction distance is applied to the information regarding the position of the element, in particular subtracted, counter to the direction of the final position at standstill despite the supply of drive energy. | 03-28-2013 |
20130299727 | Plug Valve Indicator - A valve has a body having a rotatable valve element. A drive mechanism has a drive input member and a drive output member that are coupled to the valve element for rotating the valve element. A shear member is operatively located within the drive mechanism between the drive input member and the drive output member for shearing in the event the force to rotate the valve element is excessive. The valve has indicia indicating open and closed positions for the valve element. An indicator is mounted to output drive member to properly align with the indicia regardless whether the shear member has sheared or not. | 11-14-2013 |
20140367598 | TRANSVERSE HANDLE ASSEMBLY FOR A VALVE - A handle assembly for a valve system is provided. The handle assembly includes a first gear coupled to an input shaft, a handle coupled to the input shaft, a second gear coupled to an output shaft and positioned to engage the first gear, and a saddle interconnecting the input shaft and the output shaft. | 12-18-2014 |
20140374637 | VALVE DEVICE - Valve device is provided with poppet valve for opening and closing flow path. Thread part is formed on shaft of this poppet valve, and driving gear is screwed into this thread part. Driving gear is rotated via pinion by motor, and thereby the poppet valve is moved to advance and retreat so as to control opening and closing of the flow path. Driving gear is provided so as to be able to advance and retreat in the axial direction of the pinion and the axial direction of the poppet valve while remaining engaged with pinion, and is normally held at a predetermined non-operating position by spring (biasing means). With this, even when the poppet valve is seated on the valve seat and has stopped moving, the driving gear moves, when further rotated, against the biasing force of spring from the non-operating position in the axial direction, and absorbs an impact that is applied to the driving means or the like. Damage of the driving means and the like due to the impact load can be prevented. | 12-25-2014 |
20150330513 | Low Flow Needle Valve - The invention uses a novel valve construction particularly useful for low-flow applications that allows for the entire flow range over a single 360-degree turn element by the use of a conically shaped needle valve. | 11-19-2015 |
20160097466 | TRANSVERSE HANDLE ASSEMBLY FOR A VALVE - A handle assembly configured to control water flow through a faucet valve. The handle assembly includes an output shaft rotatable about a first axis and configured to be operatively coupled to the valve; an input shaft rotatable about a second axis that is configured substantially transverse to the first axis, the input shaft configured to engage the output shaft to rotate the output shaft upon rotation of the input shaft; a handle coupled to the input shaft and configured to rotate the input shaft upon rotation of the handle about the second axis; and a saddle interconnecting the input shaft and the output shaft. The saddle includes a body having a channel that supports one of the input shaft and the output shaft, and a post extending away from the body and engaging an opening in the other of the input shaft and the output shaft. | 04-07-2016 |
20160201781 | Linear driving device, connector and exhaust gas recirculation control valve | 07-14-2016 |
251249500 | Worm type | 11 |
20090072179 | Subsea valve actuator apparatus - A subsea valve actuator apparatus is disclosed for actuating a subsea valve. The valve actuator apparatus includes a housing which defines an enclosure and a rim. A cover cooperates with the rim for sealing the enclosure. A gearbox is disposed within the enclosure the gearbox including a worm wheel which is connected to the subsea valve for actuating the valve. The gearbox includes a seal which is disposed between the worm wheel and the housing for sealing the worm wheel relative to the housing so that lubricant disposed within the enclosure for lubricating the gearbox is sealed within the enclosure. A pressure compensator is disposed within the enclosure for maintaining pressure of the lubricant disposed within the enclosure at substantially the same pressure as the pressure of seawater outside the gearbox. The pressure compensator includes a cylindrical wall having a first and a second end, the wall defining a chamber. A piston is slidably disposed within the chamber, the piston having a first and a second end so that the piston separates the chamber into a first and a second cavity. The first cavity is disposed adjacent to the first end of the piston and the second cavity is disposed adjacent to the second end of the piston. The first cavity is in fluid communication with the seawater disposed outside the enclosure and the second cavity is in fluid communication with the lubricant disposed within the enclosure. The arrangement is structured such that a pressure differential between the pressure of seawater outside the gearbox and the pressure of the lubricant disposed within the enclosure slides the piston within the chamber so that the pressure differential of the first cavity relative to the second cavity is reduced to zero such that the pressure of the lubricant disposed within the enclosure is maintained at substantially the same pressure as the pressure of seawater outside the gearbox so that a pressure difference across the seal is minimized. | 03-19-2009 |
20090309057 | Manual valve operator with override clutch apparatus - A manual valve operator with override clutch apparatus for selectively actuating a valve. includes an operator housing defining an enclosure. An input shaft is rotatably supported by the housing and a worm wheel has a first and a second side, the second side of the worm wheel defining a clutch drive. The worm wheel intermeshes with the input shaft such that when the input shaft is driven, the input shaft drives the worm wheel and the clutch drive about a rotational axis. A sleeve has an outer surface which defines an annular groove. The sleeve has a driven end and an output end. The driven end of the sleeve cooperates with the clutch drive of the worm wheel for selective engagement of the clutch drive and the driven end of the sleeve. | 12-17-2009 |
20100059700 | DUAL OUTPUT FLOW CONTROL ACTUATOR - Disclosed herein is an actuator for regulating the flow of fluids in first and second flow paths of an internal combustion engine. The actuator includes a motor having a rotatable drive shaft, a gear assembly driven by the drive shaft of the motor, and first and second output shafts rotated in opposite directions by the gear assembly. The first and second output shafts are operatively linked to valves in the first and second flow paths, respectively, to regulate the flow of fluids in the first and second flow paths. | 03-11-2010 |
20100090147 | Vehicle air system valve control with learned motion limits - A valve actuator includes a motor coupled to an output shaft that in turn can be coupled to valve elements in a vehicle air passage to move the elements. A position sensing component is provided to produce feedback of actuator motion, and limits of actuator travel for any particular application can be learned in a learning mode and subsequently used in an operating mode to satisfy commands of an engine control module (ECM). | 04-15-2010 |
20100308246 | Plug Valve Indicator - A valve has a body having a rotatable valve element. A drive mechanism has a drive input member and a drive output member that are coupled to the valve element for rotating the valve element. A shear member is operatively located within the drive mechanism between the drive input member and the drive output member for shearing in the event the force to rotate the valve element is excessive. The valve has indicia indicating open and closed positions for the valve element. An indicator is mounted to output drive member to properly align with the indicia regardless whether the shear member has sheared or not. | 12-09-2010 |
20110266478 | ADJUSTABLE CHOKE FOR OIL AND GAS INDUSTRY - The disclosure provides a choke with an actuator that contains various components within an actuator housing to adjust the choke, and the housing is configured to be fixedly attached with a relatively large shearing connection on an actuator adapter to resist large overpressure surges within the housing and around the components. The actuator further includes a thrust bearing mounted adjacent a shoulder in the housing and supporting a worm gear, so that any overpressure loads are directed to the shoulder of the housing and retained within the housing while the housing is retained by the shearing connection to the remainder of the choke. | 11-03-2011 |
20120080628 | ACTUATING DEVICE FOR ACTUATING VALVES - An actuating device ( | 04-05-2012 |
20120119125 | Drive Device - A driving device for adjusting an activating element of a throttle, of a valve, of a connecting device, of a metering device or the like in particular in the field of oil and gas exploration with at least one rotary gear movably connected to the activating element and a gear arranged between the rotary gear and at least one motor. To improve such a drive device in that the structure is simple and compact and efficiency is increased wherein simultaneously high axial forces are avoided and only a small number of assembly parts are necessary, the gear unit comprises a reduction gear assigned to the rotary gear in particular the so called harmonic drive gear, and a spare gear assigned to the motor which is in particular self locking. | 05-17-2012 |
20150041696 | VALVE DRIVE FOR ACTUATING A VALVE - A valve drive for actuating a valve comprises a main motor, a main shaft, a transmitting device comprising a nut and a spindle and adapted to transform rotational movement of the nut into a translational movement of the spindle, and driving means adapted to move the spindle, wherein the main motor is adapted to transfer rotation to the nut via the main shaft, and the spindle is adapted to open and close the valve during the translational movement of the spindle. The valve drive for actuating a valve further comprises a differential mechanism mounted between the main motor and the main shaft, said differential mechanism comprising a first input shaft connecting the differential mechanism to the main motor, and a second input shaft. The output shaft of the differential mechanism is the main shaft. | 02-12-2015 |
20150102248 | SLEEVE VALVE WITH SYNC CAM - Sleeve valves include a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet; a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting the inlet to the outlet; a gate proximate to the sleeve and movable over a portion of the sleeve including the at least one opening, the gate including a front stop and a back stop; and a drive assembly including a pair of drive lines, each drive line having a drive shaft, a first drive line of the pair of drive lines including a sync cam, the sync cam of the first drive line movably positioned on the drive shaft of the first drive line and between the front stop and the back stop. | 04-16-2015 |
20160195197 | SLEEVE VALVE WITH SYNC CAM | 07-07-2016 |
251250000 | Rectilinear rack | 5 |
20090314978 | Self Sealing Disconnect Valve - Disclosed is a self sealing disconnect for use in connection with an environmental control system. The disconnect includes two mating halves each of which houses an internal butterfly valve. When the halves are engaged, the butterfly valves are opened to complete a fluid circuit. Conversely, when the halves are disengaged, the butterfly valves are close so as to prevent the flow of fluids. | 12-24-2009 |
20100025610 | LOW PROFILE VALVE ACTUATOR HAVING HIGH TORQUE OUTPUT - A valve actuator is provided for use in conjunction with a drive motor and a valve. In one embodiment, the valve actuator includes a housing assembly, a first power screw rotatably mounted in the housing assembly and configured to be rotated by the drive motor, a first rack translatably mounted in the housing assembly, and a pinion rotatably mounted in the housing assembly and mechanically linked to the valve. The first rack is threadably coupled to the first power screw and is configured to move linearly as the first power screw rotates. The pinion engages the first rack and is configured to rotate as the first rack moves linearly to move the valve to a desired position. | 02-04-2010 |
20130200285 | MULTI-TEETH ENGAGEMENT IN AN ACTUATOR PISTON - An actuator for a valve assembly is provided. The actuator has an actuator body and at least one piston configured to travel within the actuator body. The actuator has an output shaft located at least partially within the actuator body and configured to couple to a valve stem of a valve wherein the output shaft has a plurality of teeth protruding from a pinion. The actuator has at least one rack configured to move with each of the at least one piston, the rack having a piston end and a terminal end and wherein the rack has a plurality of rack teeth configured to engage the plurality of teeth on the output shaft. The terminal end of the rack is configured to be maintained a minimum distance beyond an engagement point, wherein the engagement point is located between the rack teeth and the teeth in all operating positions. | 08-08-2013 |
20150300504 | VALVE WITH A HINGED VALVE CORE - The present invention relates to a valve with a hinged valve core. The valve comprises a valve body, a valve core, an operating mechanism, a motion-transferring device and a locking device. The valve body is a housing. The housing is formed with a operating hole used to partially accommodate the operating mechanism and a channel having an inlet and an outlet. The valve core is connected with the valve body through a hinge. The operating mechanism is used to operate the valve core to be rotated around the central axis of the hinge to open/close the valve. The motion-transferring device is used to transfer actions on the operating mechanism to the valve core, and when the valve is closed or open, the valve core is locked on the valve body through the locking device. The valve of the present invention has a compact structure, is easy to operate, requires a small torque for opening and allows a large flow when opened. | 10-22-2015 |
20160091110 | AXIAL FLUID VALVES WITH ANNULAR FLOW CONTROL MEMBERS - Axial fluid valves having annular flow control members are described herein. An example axial fluid valve described herein includes an axial flow valve body defining a passageway between an inlet and an outlet. The example axial fluid valve includes a sleeve slidably received by an inner surface of the axial flow valve body and movable along an axis substantially parallel to a longitudinal axis of the passageway. The example axial fluid valve includes a linkage or a gear operatively connected to the sleeve to move the sleeve to vary a flow of fluid between the inlet and the outlet through the sleeve. | 03-31-2016 |
251250500 | Mating segments | 2 |
20100264346 | ROTATIONALLY-ACTUATED FLAPPER VALVE AND METHOD - A rotationally actuated flapper valve including a flapper; a sinuous edge perimetrically about the flapper; and a congruous sinuous edge disposed at another component of the valve, the component being rotatable to misalign the congruous sinuous edge with the sinuous edge of the flapper whereby the flapper is urged out of a closed position and method. | 10-21-2010 |
20150034854 | Butterfly Valve - Exemplary embodiments are directed to butterfly valves, generally including a body assembly and handle assembly. The body assembly generally includes a body, a disc rotationally disposed inside an opening of the body, a cog, and a stem passing through the disc and the body. The handle assembly generally includes a handle body and a force ring. The stem can be rotationally interlocked relative to the disc and the handle assembly. The cog and the force ring can engage to rotationally secure the disc relative to the body. The handle assembly can include a lever and a grip, the force ring, the lever and the grip being pivotally secured relative to each other. The body can include a male radial protrusion and the body assembly can include a liner with a female radial groove. Methods of assembling and positioning a butterfly valve are also provided. | 02-05-2015 |