Abstract: 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.

Abstract: A damper system may include a handle mechanism for use with a damper actuator system. Illustratively, the handle mechanism may include a drive gear mechanism, a handle, a housing, and a spring, and may be actuated to set a crack pressure for the damper system. The handle may connect to the drive gear mechanism at a drive gear arm of the drive gear mechanism and may flip over or about the drive gear arm to move from a first position to a second position. In some instances, once the handle is in the second position, a force may be applied thereto to disengage the drive gear from a stop member and thereafter, the handle may be rotated to change the crack pressure of the damper system.

Abstract: A number of variations may include an actuator and valve arrangement.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Provided is an electric waste gate actuator for a turbocharger, in which the inside of a housing is divided into an upper portion and a lower portion to thereby prevent foreign particles generated in a decelerator from being introduced into a driving motor. The electric waste gate actuator for a turbocharger includes: a housing having an installation space inside; a decelerator installed in an upper portion of the installation space; a lever coupled to an upper end of the decelerator and installed outside the installation space; a driving motor installed in a lower portion of the installation space; a blocking plate dividing the installation space into the upper portion, where the decelerator is installed, and the lower portion, where the driving motor is installed, and preventing foreign particles generated in the decelerator from being introduced into the lower portion of the installation space; and a sensor unit installed under the blocking plate to measure a rotation angle of the decelerator.

Abstract: The invention relates to A device for transforming a rotation of a gear into a translation of a slide, the device including a supporting member provided with a fixed tubular wall translatably connected to the slide by a cam channel, the gear being rotatably mounted on the supporting member and rotatably connected to the slide which is suitable for pivoting about an axis. The gear comprises a ring rotatably mounted on the tubular wall of the supporting member.

Abstract: Disclosed in the present invention is a flow regulating valve comprises a valve seat (1) and a casing (2). A motor (21) provided inside the casing (2) is connected to a screw rod (3) through the output shaft of the motor. The screw rod is connected to a screw nut (4) connecting with a valve rod (5) and the inner part of the valve rod (5) is provided with a mounting groove (51). The screw nut (4) is in clearance fit with the mounting groove (51) along the radical direction, and the inner wall of the mounting groove (51) is provided with an annular limiting groove (52). A limiting element (53) provided in the annular limiting groove (52) limits the position along the axial direction of the screw nut (4) and is in clearance fit with the outside of the screw nut.

Abstract: A device, and a valve including such a device, for converting a pivoting movement of a pinion into a translational movement of a slide. The pinion is mounted to pivot relative to a slide mounting member including a fixed tubular wall. The tubular wall is provided with at least one cam surface acting on a follower roller mounted on a mounting part connected to the pinion in rotation and to the slide in translation. The pinion is carried by the mounting member coaxially with the tubular wall.

Abstract: A valve device has a valve that opens and closes a passage, and a cantilever bearing member rotatably supporting a rotating shaft of the valve. The cantilever bearing member has rolling-element bearings arranged in series in an axial direction of the rotating shaft. One of the rolling-element bearings located the closest to the passage has a rolling element, an inner race, an outer race and a seal portion. A space is defined between the inner race and the outer race to receive the rolling element. The seal portion made of rubber tightly seals the space on a side adjacent to the passage.

Abstract: The invention provides a hard seal plug valve, comprising a valve body, wherein a tapered plug is arranged in the valve body, a bonnet is arranged at an upper part of the valve body, a drive valve rod penetrates the bonnet, an elastic hold-down mechanism is sheathed on the drive valve rod and arranged on a plug bearing seat, the plug bearing seat is connected with the tapered plug, and the plug bearing seat is held down when the elastic hold-down mechanism extends; and the hard seal plug valve characterized in that a telescopic mechanism is sheathed on the drive valve rod, the plug bearing seat is pushed upward when the telescopic mechanism extends, a valve rod bearing seat is arranged at the bottom of the drive valve rod, ends of the valve rod bearing seat pass through a planetary reduction mechanism, and the tapered plug is connected with the planetary reduction mechanism and rotates with the drive valve rod by the planetary reduction mechanism.

Abstract: A three-way valve (1) with two flaps (5, 6) respectively positioned in two of the three paths (2, 3) of the valve and comprising means (7-12) for controlling and actuating the flaps (5, 6) to make them pivot from one to the other of two positions in which the paths (2, 3) are either open or closed. Single control means (7) are provided for both flaps (5, 6), and there are actuating means (9-12) designed to be controlled by the single control means (7) and to actuate the two flaps (5, 6) with a temporal phase shift.

Abstract: A final gear of a speed reducing mechanism and a magnet of a valve opening degree sensor are separately joined to a shaft, which is rotated integrally with a valve. The final gear and the magnet are arranged to satisfy at least one of ?a>?-?swo and ?b>?swc, where ?a denotes a valve open side clearance that is a circumferential gap angle circumferentially measured between the magnet and an open side end part of the final gear, ?b denotes a valve close side clearance that is a circumferential gap angle, which is circumferentially measured between the magnet and a close side end part of the final gear, ? denotes a full open degree of the valve, ?swo denotes a valve open sensing degree, and ?swc denotes a valve close sensing degree.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: In accordance with the present invention, there is provided a dirty service valve including an axial trim which, as a result of its structural attributes and extended stroke length, provides increased Cv capacity relative to valve plug size in comparison to existing prior art designs. In accordance with one embodiment of the present invention, the axial trim integrated into the valve of the present invention is configured to provide a linear flow characteristic. In accordance with an alternative embodiment of the present invention, the axial trim may be configured to provide a non-linear flow characteristic which, coupled with the extended stroke length thereof, provides improved flow control in addition to increased Cv capacity. The axial trim possessing the above-described structural and functional attributes may also be integrated into an axial body or housing, thus making the use of rotary actuators in conjunction with the axial trim more feasible.

Abstract: The invention relates to reduction gearing (10) for an electrically driven actuator for controlling a gaseous or liquid volumetric flow (98), in particular in the fields of heating, ventilation and air conditioning technology and fire and smoke protection, said reduction gearing (10) being modular. Said gearing consists essentially of primary gearing (12) containing at least one drive motor (20) and secondary gearing (14) with a power take-off (36). In addition, a self-limiter (16) is integrated into the primary gearing (12). The gearing modules (12, 14) are detachably interconnected, in particular various secondary gearing mechanisms (14) can be used for the primary gearing (12). The inventive reduction gearing (10) is advantageously complemented in particular by a modular actuator comprising a modular housing, a modular electronics system (38), a sensor and COM module and a coupling module (28).

Abstract: A torque-transmitting device is advantageously applied to a secondary air control valve mounted on an automotive vehicle. The device includes a gear train for reducing a rotational speed of a motor and a mechanism for converting a rotational motion to a linear motion of a valve shaft. The gear train includes a final gear coupled to the valve shaft, and the final gear includes a flange positioned at an axial end of an axis of the final gear. A coil spring for biasing the final gear toward a predetermined position is disposed next to the flange and around the axis of the final gear. Slits or holes are formed through the flange, so that holding jigs for holding the coil spring are inserted, in an assembling process, into a cylindrical space between an inner circumference of the coil spring and the axis of the final gear.

Abstract: A pitch circle radius of a driving side gear of a drive mechanism of an air mix door is continuously and progressively increased from a maximum heating position side part to a maximum cooling position side part. A pitch circle radius of a driven side gear of the drive mechanism is continuously and progressively increased from a maximum cooling position side part to a maximum heating position side part.

Abstract: A damper actuator includes a housing and a hub extending through and rotatably coupled to the housing. The actuator is configured to be a side-mount direct coupled actuator. In one embodiment, an external clamp is coupled to the housing and is configured to be attached to a damper shaft without the damper shaft extending through the hub. A torque transfer mechanism is coupled between the hub and the external clamp such that rotation of the hub results in a corresponding rotation of the damper shaft. In another embodiment, a channel in the actuator housing is configured to accept a damper shaft from the side and the hub includes a removable portion to allow for insertion and removal of the damper shaft.

Abstract: An air conditioning system for a vehicle includes a first air path formed within an air duct, and a second air path formed within the air duct. The air conditioning system also includes an air mixing damper for adjusting a first amount of air, which flows within the first air path, and a second amount of air, which flows within the second air path. The air mixing damper includes a plurality of convex portions, and a plurality of concave portions, each of which concave portions is positioned between adjacent pairs of the plurality of convex portions. The air conditioning system also includes a drive mechanism for driving the air mixing damper. The drive mechanism includes a first gear engaging a portion of the plurality of convex portions and a portion of the plurality of concave portions. The drive mechanism also includes a shaft coupled operationally to the first gear, and an end of the shaft is positioned outside the air duct.

Abstract: The invention provides an air mixing damper apparatus and an air conditioning apparatus for vehicles where the temperature of discharged air can be changed linearly with respect to the operation of an actuator lever. A rotation speed adjustment mechanism is disposed between a plate door type air mixing damper 43A for opening and closing an air introducing face 42a of a heater core 42, and a rotation type lever 48 for an actuator 47 driving the air mixing damper 43A, for adjusting the rotation speed at an initial opening stage X and a final opening stage Z of the air mixing damper 43A, to a speed lower than at an intermediate opening stage Y.

Abstract: A torque booster for operating a valve during initial opening and closing movements of the valve. The torque booster includes a rotatable valve operating stem, a rotatable operator shaft, a gear reduction unit, and a coupling for temporarily operatively interposing the gear reduction unit between the shaft and the stem during initial rotation of the shaft in a valve-opening or a valve-closing direction, so that during the temporary period the stem rotates at a fraction of the speed of the shaft. After the temporary torque-boost period, the speed of rotation of the stem increases with respect to the speed of rotation of the shaft, preferably so that the speeds of rotation of the stem and shaft approach or equal a ratio of one-to-one.

Abstract: An electronic throttle control system having a housing 22 with a motor 40, throttle valve 60, gear mechanism 100, and failsafe mechanism 130. A main spring member 150 positioned between the housing 22 and a gear mechanism 104, which in turn is attached to the throttle valve shaft 62, biases the throttle plate 60 towards the closed position. A spring-biased gear backlash sector gear mechanism 130 biases the throttle plate 60 from its closed position to a default or “limp-home” position.

Abstract: A motor-type damper unit includes a motor for driving in a single direction, an opened/closed member for reciprocating in an opening direction and a closing direction with a fulcrum shaft serving as a center by a drive force of said motor, an intermittent drive gear formed with a tooth part in a predetermined part in a circumferential direction and rotation blocking parts at both ends of the tooth part, said intermittent drive gear for rotating by the drive force of said motor, a first transmission gear placed on the fulcrum shaft for engaging the tooth part of said intermittent drive gear, thereby rotating said opened/closed member in a predetermined direction and a second transmission gear for engaging the tooth part of said intermittent drive gear at a different position from said first transmission gear, for transmitting a rotation force of said intermittent drive gear to said first transmission gear and for rotating said first transmission gear in an opposite direction to the predetermined direction.

Abstract: An electronic throttle control system having a housing 22 with a motor 40, throttle valve 60, gear mechanism 100, and failsafe mechanism 130. A spring member 150 attached between the housing 22 and a gear member 104 attached to the throttle valve shaft 62 biases the throttle plate 60 towards the closed position. A spring-biased plunger member 134 biases the throttle plate 60 from its closed position to a default or “limp-home” position.