Class / Patent application number | Description | Number of patent applications / Date published |
310017000 | With other elements | 84 |
20080296984 | ENERGY CONVERTER - This energy converter includes a first flat coil and a magnet opposed to the first flat coil at an interval, and the first flat coil and the magnet are so formed as to be relatively movable, for converting kinetic energy to electric energy by electromagnetic induction. | 12-04-2008 |
20100045118 | RECIPROCATING LINEAR ACTUATOR - A reciprocating linear actuator in which a slide and a counter slide are arranged for linear movement within a hollow guide. The actuator has driving force generating means for generating a driving force between the slide and the counter slide and also has bearing structures formed individually between the guide and the slide and between the guide and the counter slide. If an external force acts on the slide, the external force is transmitted from the slide to the guide through the bearing structure between them. | 02-25-2010 |
20100283331 | VIBRATION GENERATION MODULE CAPABLE OF GENERATING INERTIAL AND IMPACT VIBRATIONS - Disclosed herein is a vibration generation module capable of generating inertial and impact vibrations. The vibration generation module includes a magnetic force generation unit, an elastic force provision unit, a permanent magnet, a contactor, and an impact transmission panel. The permanent magnet is configured such that when periodic electrical energy having a specific duty or voltage is supplied to the magnetic force generation unit, the permanent magnet alternates between a position in which the permanent magnet is completely spaced apart from the magnetic force generation unit and a completely lowered position in which the permanent magnet collides with an upper surface of the magnetic force generation unit, and such that periodic electrical energy having another specific duty or voltage is supplied to the magnetic force generation unit, the permanent magnet alternates between a position in which the permanent magnet is partially spaced apart from the magnetic force generation unit and a partially lowered position in which the permanent magnet is close to the upper surface of the magnetic force generation unit. | 11-11-2010 |
20110001365 | LINEAR VIBRATION MOTOR - Disclosed herein is a linear vibration motor. The motor includes a casing surrounding the top and widthwise side of the motor, and a bracket surrounding the bottom and lengthwise side of the motor. A plate is provided on an inner surface of a side of the bracket and integrally has a cylindrical part to accommodate a coil. A mass body is provided in a central portion of the bracket and vibrates horizontally, a yoke is provided on a side surface of the mass body, and a magnet is mounted to a central portion of the yoke to be inserted into an internal space of the coil. A spring couples the plate with the yoke, thus transmitting vibratory force to the motor. An extension part extends from an end of the spring, and a bearing is provided on an end of the extension part, thus minimizing friction with the casing. | 01-06-2011 |
20110018364 | HORIZONTAL LINEAR VIBRATOR - The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. A first magnet is attached to an upper plate of the casing. The bracket is coupled to the lower end of the casing. The second magnet is attached to the bracket such that different poles of the first and second magnets face each other. The vibration unit has a weight, and a cylindrical coil which is provided in or under the weight. The springs are coupled to the sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction. | 01-27-2011 |
20110018365 | HORIZONTAL LINEAR VIBRATOR - The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit, a cylindrical coil and springs. The bracket is coupled to the casing to form an internal space. The vibration unit includes a weight, a pair of yokes and magnets. The weight has an opening therein. The yokes are disposed on the inner surfaces of the weight. The magnets are provided in the yokes such that different poles of the magnets face each other. The cylindrical coil is perpendicularly mounted to the bracket and disposed in space between the pair of yoke. The springs are coupled to both ends of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction. | 01-27-2011 |
20110062801 | LINEAR VIBRATOR - Disclosed herein is a linear vibrator. The linear vibrator includes a casing, a vibration unit, a bracket, a circuit board, a coil unit, a lead wire and a soldering part. The casing defines an internal space therein. The vibration unit is provided in the casing and vibrates upwards and downwards. The bracket supports the casing and the vibration unit. The circuit board is provided on the bracket. An electric circuit and a plurality of electronic devices are provided on the circuit board. The coil unit is mounted to the central portion of the circuit board in a perpendicular direction, so that power is applied from the circuit board to the coil unit. The lead wire extends from the lower end of the coil unit and is electrically connected to the circuit board. The soldering part is formed on the circuit board to connect the lead wire to the circuit board and disposed at a position other than the position corresponding to the direction in which external tension is applied to the circuit board when power is applied to the coil unit. | 03-17-2011 |
20110187209 | LINEAR VIBRATING MOTOR - A linear vibrating motor includes a base defining a first bottom wall and a first sidewall extending vertically from the first bottom wall, a cover forming a receiving cavity together with the base and defining a second bottom wall and a second sidewall extending vertically from the second bottom wall, a coil positioned on one of the first bottom wall and the second bottom wall, a vibrating unit suspended in the receiving cavity, a gasket positioned on a bottom wall of one of the base and the cover, and an elastic plate suspending the vibrating unit and sandwiched between the gasket and a sidewall of the other one of the base and the cover. | 08-04-2011 |
20110227425 | SUSPENSION SYSTEM FOR VEHICLE - Disclosed are an apparatus, a system, and a method for suspension of a vehicle. An electromagnetic generator generates an electrical energy in response to a relative movement between a vehicle body and a wheel assembly. A storage device stores the electrical energy generated from the electromagnetic generator. | 09-22-2011 |
20110298309 | ACTUATOR MODULE APPLICABLE TO VARIOUS FORMS OF JOINT - The present invention is about actuator modules that can be applied to various forms of joints and about joint structure using such modules, and the actuator modules includes actuator body comprising of electronics system and drive system and a separately connected decelerator, and the speed and torque obtained from the first deceleration of the actuator module body can be easily changed through the second decelerator, and since the decelerator separately connects with the actuator body it can be applied to various forms of decelerator and the actuator body can be placed varyingly making it applicable to various joint forms, and said actuator modules can be used form various joint structure. | 12-08-2011 |
20120062047 | LINEAR ACTUATOR AND METHOD OF MANUFACTURING LINEAR ACTUATOR - A linear actuator includes a linear actuator body ( | 03-15-2012 |
20130154401 | VIBRATOR - There is provided a vibrator, including: a case having an inner space; a coil fixedly mounted on a side wall of the case; an elastic member fixedly mounted on the case so as to be disposed within the coil; a weight body fixedly mounted on the elastic member; and a magnet fixedly mounted on the weight body so as to face the coil. | 06-20-2013 |
20130169070 | VIBRATION MOTOR - Disclosed herein is a vibration motor. In the vibration motor according to the present invention, an external power source is connected by a method of using a connecter, which is an improved method of a soldering method according to the prior art, such that accurate assembling, stable maintenance, and stabilization may be performed. Therefore, a yield for connecting the external power source to the vibration motor may be improved, and a work time may be significantly reduced. | 07-04-2013 |
20130214619 | METHOD AND DEVICE FOR MECHANICAL ENERGY HARVESTING - An apparatus for harvesting electrical power from mechanical energy is described. The apparatus includes at least one magnetostrictive element, at least one electrically conductive coil or circuit, and a magnetic circuit coupled to the electrically conductive coil or circuit to increase or maximize power production. The magnetostrictive element is configured to experience a forced stress and strain in response to external mechanical excitations. The electrically conductive coil or circuit is configured to produce electrical energy through electromagnetic induction. | 08-22-2013 |
20130342032 | ENERGY HARVESTING SYSTEM USING SEVERAL ENERGY SOURCES - An object of the invention is to provide a cheap, efficient and polyvalent energy harvesting system able to exploit several energy sources. | 12-26-2013 |
20140183982 | INERTIAL DRIVE ACTUATOR - An inertial drive actuator includes a shift unit that generates a shift in a first direction and in a second direction opposite to the first direction, a base plate that moves with the shift of the shift unit, and a mover disposed on a surface of the base plate and having a magnetic field generating unit. The mover has a first yoke that guides magnetic flux generated by the magnetic field generating unit such that the magnetic flux concentrates on a surface of the mover facing the base plate with respect to both S and N poles. Also included is a second yoke provided on a side of the base plate facing away from the mover. The frictional force acting between the mover and the base plate is controlled by controlling a magnetic field generated by the magnetic field generating unit to drive the mover. | 07-03-2014 |
20140265648 | Hinged Motion Transducer - A hinged electrodynamic transducer apparatus is disclosed for providing oscillating and/or vibrational motion. The hinged transducer of the present invention is configured to be robust and low profile for installation under chairs, seats, and other items of furniture such that it can impart vibrational motion capable of being sensed by the human body (DC to approximately 500 Hz. | 09-18-2014 |
20150340937 | BISTABLE ELECTROMAGNETIC ACTUATOR AND SURGICAL INSTRUMENT - A bistable electromagnetic actuator including: a tube; a stator arranged outside the tube, and a rotor mounted in the tube so as to be displaceable axially in the longitudinal direction, is the rotor being at least partially formed of one or more of a paramagnetic and ferromagnetic material, the rotor being reversibly moved between a first position and a second position by applying an electromagnetic field. Wherein the stator includes: two ring permanent magnets that are axially polarized in opposite directions, a coil for generating the electromagnetic field, and a magnetic return element having two stator pole shoes. Wherein, the magnetic return element with the stator pole shoes encloses the coil, one of the stator pole shoes is arranged on each of two sides of the coil between the coil and ring permanent magnets, the rotor has two rotor pole shoes, and an axial width of the stator pole shoes is smaller than an axial width of the rotor pole shoes. | 11-26-2015 |
20160156244 | SMALL-SIZE ELECTRICAL APPLIANCE AND ELECTROMOTIVE UNIT OF THE SAME | 06-02-2016 |
20160181902 | Linear Vibrator | 06-23-2016 |
20160181903 | Linear Vibrator | 06-23-2016 |
20160181904 | Linear Vibrator | 06-23-2016 |
20160204686 | Self-Powered Wireless Switch | 07-14-2016 |
20180020835 | Hinged Motion Transducer | 01-25-2018 |
310019000 | Speed control or time delay | 2 |
20120091828 | MICROMECHANICAL DEVICE FOR AMPLIFYING A VIBRATING MOVEMENT - An apparatus for amplifying a vibratory movement includes a micromechanical device having an interface for fixedly joining it to a vibrating member; a mass mounted to be mobile in at least one degree of freedom relative to the interface; a spring capable of exerting a return force between the mobile mass and the interface; an orientation-detecting member for detecting the orientation of the shift of the interface according to said degree of freedom; and a coupling member for coupling the mobile mass to the interface. The coupling member is configured to couple the mobile mass to the interface when an orientation of shift of the interface is opposite that of the mobile mass and to uncouple the mobile mass from the interface before a change in orientation of the interface and when the orientation of shift of the interface is identical to that of the mobile mass. | 04-19-2012 |
20150076931 | ELECTRONIC APPARATUS - An electronic apparatus includes: a body unit that houses an electronic circuit; a vibration unit that is provided in the body unit, is configured to vibrate in a predetermined direction, and has a variable frequency of vibration; a plurality of resonators that are each provided in a different portion of the body unit and are each configured to resonate with vibration having a different frequency; and a transmission unit that is configured to transmit vibration of the vibration unit to the plurality of resonators. | 03-19-2015 |
310020000 | Motion-converting mechanism | 58 |
20090009009 | ACTIVE VIBRATION ISOLATION SUPPORT SYSTEM - A yoke of an actuator of an active vibration isolation support system, which controls an internal pressure of a liquid chamber by reciprocally oscillating a movable core by energizing a coil, includes a cylindrical portion and a flange portion. The cylindrical portion is disposed on an outer side of the yoke in a radial direction and faces an inner peripheral surface of the coil, while the flange portion faces an end surface of the coil. The yoke further includes an inner inclined surface formed in an inner side of an intersection of the cylindrical portion and the flange portion, and inclined in such a manner that an outer side thereof in the radial direction with respect to an axis of an actuator inclines upward. Accordingly, the vector of a magnetic flux generated through the energization of the coil can be oriented toward the movable core from the flange portion of the yoke via the inner inclined surface thereof. The magnetic flux is thus allowed to flow smoothly from the yoke to the movable core, so that the efficiency of the magnetic circuit is enhanced. As a result, the operational response of the actuator can be improved. | 01-08-2009 |
20090134722 | MAGNET ENGINE - The invention disclosed is a magnet engine, more specifically an engine that derives its power from the power contained in a magnet ( | 05-28-2009 |
20090322163 | Green Piston Engine - This invention relates to the field of engines. More particularly, the present invention relates to devices and methods used in the field of energy generation. Embodiments of the present invention provide environmentally friendly piston engines and/or the capability of retrofitting existing combustion engines to provide engines that run using no or little fuel. One embodiment of the invention includes an engine or retrofitting an internal combustion engine to provide for an engine comprising: (a) at least one crankshaft for providing mechanical power; (b) at least one magnetic piston operably connected to the crankshaft capable of turning the crankshaft with movement of the piston; and (c) an engine head comprising a magnet opposite each piston, which provides one or more magnet-piston pairs capable of producing a magnetic field between the magnet and piston; wherein each magnet-piston pair is capable of producing movement of the piston, and a corresponding turn or partial turn of the crankshaft, by a change in the magnetic field. For example, the change in magnetic field can alternate between an attractive force and no force between the magnet and piston, or between an opposing force and no force, or between an attractive force and an opposing force. | 12-31-2009 |
20100045119 | SYSTEM FOR GENERATING ELECTRICAL ENERGY FROM AMBIENT ENERGY - A system for generating electrical energy from ambient energy such as the energy of ambient motion and acoustic vibrations. The system has at least two stages, a resonating electrical generator and a kinetic energy conversion system. The stages have differing resonant frequencies to enable harvesting energy from lower frequency ambient motion and converting the energy to higher frequency resonant oscillation for efficiently generating electrical energy. A multiaxial system having a plurality of systems for generating electrical energy from ambient motion each oriented to be responsive to motion along a different axis. An embodiment of a system for generating electrical energy from ambient motion for which the resonating electrical generator is at least part of a driving mass of the kinetic energy conversion system. | 02-25-2010 |
20100066181 | Magnetically Propelled Engine That Does Not Require Fuel - An engine powering device with magnetic components that aid in the operation of piston propelled engines by attaching the device individually to the pistons, causing the pistons to perform the up and down thrusts without the use of fuel combustion thereby mobilizing the engine, eliminating the necessity of fuel and preventing pollution exhausting into the atmosphere. An exemplary system for a magnetically controlled propelled engine that uses exhausted clean air from the engine that flows through an electric generating turbo or turbine to charge the battery to power the engine. Passenger compartment comfort heating is supplied by and electric liquid boiler or liquid heater with a circulation pump. A fuel door mounted universal electrical connector to aid in charging engine battery. This engine has magnetic shielding safety components to protect people and other electronic devices from strong rare earth magnets and electromagnets. | 03-18-2010 |
20100079013 | MACHINE FOR GENERATING RECIPROCAL MOTION AND RELATED METHOD - A machine for generating reciprocal motion includes a first magnet rotatable about a first magnet axis, a second magnet spaced apart from the first magnet and rotatable about a second magnet axis, and a third magnet arranged between the first and second magnets and reciprocatable therebetween. A switching mechanism is associated with the first and second magnets to rotate the first and second magnets between a first position, in which the first and second magnets respectively attract and repel the third magnet, and a second position, in which the first and second magnets respectively repel and attract the third magnet. The third magnet can be reciprocatable along a reciprocation axis that is substantially perpendicular to the first and second magnet axes. The switching mechanism can include a first suspended weight that is selectively releasable to impel rotation of at least one of the first and second magnets. | 04-01-2010 |
20100117462 | Damper Power-Generating System - A damper power-generating system includes a damper, a driving apparatus, and a generator. The driving apparatus simply consumes energy to do work for generation of electric power. That is, the work is done by utilizing the displacement due to the strong up-and-down vibration within a damper, wherein the displacement due to the up-and-down vibration drives a set of gear racks, which, in turns, drives gears having a one-way driving apparatus, so that rotation can be achieved in one direction, and, further, buffering springs and accelerative gears are used, so that speedy and uniform rotation can be achieved. | 05-13-2010 |
20100156202 | Reciprocating Dual-Action Piston Magnetic Force Motor and Method - A motor system and method thereof are provided, wherein the system includes an energy storage device, a piston assembly including a magnet, at least two end assemblies in operable communication with the piston assembly, and includes first and second end assemblies, each having an electromagnet. The motor system further includes a controller that controls a supply of electrical power to first and second electromagnets of the first and second end assemblies, such that a first polarity of the first electromagnet is opposite a second polarity of the second electromagnet, and the first and second polarities are intermittingly altered by the supply of electrical power, so the magnet of the piston assembly is attracted and repelled from the first and second end assemblies. | 06-24-2010 |
20100244590 | ELECTROMAGNETIC PROPULSION SYSTEM - An electromechanical propulsion system is disclosed. The propulsion system uses magnetic propulsion and magnetic bearings to move a vehicle. The propulsion system is well suited for use on land, air, space, above water and underwater vehicles. The propulsion system includes a plurality of electromagnets that repel each other with strong and weak magnets to move the propulsion motor in linear motion. Multiple side propulsion motors can be incorporated to alter the direction of travel of the electromechanical propulsion system. The propulsion system is manufacturable in a self contained configuration where it is controllable from a remote location. | 09-30-2010 |
20110062802 | METHODS AND SYSTEMS FOR A MAGNETIC-ACTIVATED PISTON DRIVEN PROPULSION SYSTEM NOT REQUIRING AN INTERNAL-COMBUSTION PROCESS - A common V-8 type internal-combustion engine, of the type in wide use by today's automotive and nautical industries, is modified to operate with magnetic fields instead of internal-combustion. The internal-combustion process is eliminated, along with engine components required for the internal-combustion process. This can reduce engine size and weight. The pistons of such a modified V-8 type engine are driven by magnetic fields which are aligned by the control system of the modified V-8 type engine. The engine and control system are powered by electrical energy derived directly from spacetime. This electrical energy is produced using principles of Evans-Cartan-Einstein (ECE)-Theory to achieve spin-connection-resonance (SCR), thus amplifying the potential energy of spacetime. The resulting amplified potential energy is feed (as electrical energy) to the modified V-8 engine. Thus, this type of engine does not require gasoline type fuel, generates no exhaust, has a renewable power source, and a near zero environmental footprint. | 03-17-2011 |
20110109174 | Electric generator - An electric generator device includes a magnetic stator assembly, opposed coils, and a rotary-to-linear converter (e.g., cam). The coils are configured to reciprocate relative to the magnetic stator assembly or to linearly translate in a common direction relative to the magnetic stator assembly. The coils are coupled to the cam and, upon rotary or linear motion of the cam, reciprocate or linearly translate relative to the magnetic stator assembly. The reciprocation or linear translation of the coils creates an electric current flowing through the coils, which may then be harvested. | 05-12-2011 |
20110298310 | Flexible Rotor Sequentially Actuated Motor/Generator - This motor/generator produces rotational torque and/or electrical energy employing a flexible magnetically permeable circular band as a rotor that in operation is in physical contact with the stator, arching and curving forward in response to advancing magnetic fields along the stator surface. The stator may be comprised of either a typical three-phase winding, or a series of magnetic actuators arranged in a toroid for which the rotor band acts as a continuous armature. The rotor rotates as follows: an actuator to the left or right of an active actuator is activated to pull a rotor arch down to the stator surface; as this occurs, the previously active actuator is turned off and that part of the rotor springs away; the rotor moves clockwise or counterclockwise as the arches of the rotor are advanced forward or backward, respectively. Differential rotor movement provides speed reduction and torque enhancement without gears. | 12-08-2011 |
20110316360 | LINEAR VIBRATORY DRIVE - A system and apparatus are disclosed for a linear vibratory drive. In one embodiment, the drive includes a mounting bar coupled to a first flat leaf spring, the first flat leaf spring mounted on a stationary member, where the mounting bar is suitable for mounting a conveyance device such as a linear track or tray. A counterweight is coupled to a second flat leaf spring, where the second flat leaf spring is mounted on the stationary member, and where the counterweight is positioned such that a gap separates the counterweight from the mounting bar. A motor provides a vibrational pulse to the stationary member, thereby vibrating the mounting bar and the counterweight. | 12-29-2011 |
20120062048 | MAGNETIC FORCE INTENSIFYING ELECTROMAGNETIC DRIVING DEVICE - A magnetic force intensifying drive system for generating a large drive force, and that is arranged so that polarities of at least one of a movable magnet and stationary magnets may be inverted to achieve continuous rotary movement or back-and-forth movement of the movable magnet relative to the stationary magnets in which the movable magnet or the stationary magnets is/are provided with permanent magnets for intensifying magnetic force. | 03-15-2012 |
20120098357 | MAGNETIC MOTOR - Embodiments of the present invention may include a method of producing mechanical power by moving a coil coupled to a shaft partially into a magnetic cylinder having a magnetic end cap containing a plurality of stacked magnetic forces, changing the magnetic polarity of the shaft, moving the coil out of the magnetic cylinder. In other embodiments, there is an electric motor apparatus comprising a magnetic cylinder, a coil coupled to a shaft, and a means for reversing the magnetic polarity of the shaft. | 04-26-2012 |
20120112565 | LINEAR VIBRATOR - Disclosed is a linear vibrator, the linear vibrator including: a bottom case including a floor plate and first and second elastic units integrally formed with the floor plate, and mutually and oppositely bent from both distal ends facing the floor plate; a stator including a circuit substrate arranged on the floor plate and a coil block electrically connected to the circuit substrate; a trembler including a magnet discretely facing the coil block and a weight securing the magnet; and an upper case coupled to the bottom case to accommodate the stator and the trembler, wherein both lateral surfaces of the trembler facing the first and second elastic units are elastically supported by the first and second elastic units. | 05-10-2012 |
20120119594 | Magnetically Charged Solenoid for Use in Magnetically Actuated Reciprocating Devices - A magnetically charged solenoid for use with a magnetically actuated reciprocating device, such as a motor or the like, having a magnetic actuator comprising an elongated shaft with permanent magnets positioned at each end of the shaft. The solenoid has a non-ferromagnetic spool with a center section defining an open center sized and configured to reciprocatively receive the shaft therein. A coil comprising electrically conductive wire is wrapped around the center section of the spool and electrically connected to a source of power to energize the solenoid with an axially charged electromagnetic field. A switching mechanism interconnecting the coil and source of power rapidly switches the magnetic polarities at the ends of the solenoid to alternatively attract and repel the permanent magnets to reciprocally drive the magnetic actuator, which may be used to rotate a crankshaft. A controlling mechanism operatively connected to the switching mechanism controls the operation thereof. | 05-17-2012 |
20120169147 | Electromagnetic Propulsion Engine - An electromagnetic propulsion engine having at least one cylinder, at least one piston, a crankcase, at least one connecting rod secured to the piston and pivotally to a crankshaft enclosed within the crankcase, comprises a first magnetic body secured to a first end of the cylinder; a second magnetic body secured to the cylinder; a third magnetic body secured to a first end of the piston; a fourth magnetic body secured to a second end of the piston; wherein at least one of the first, second, third, and fourth magnetic bodies comprises an electromagnet; and a control module that selectively transmits current to the electromagnet to force the piston to move within the cylinder between the first magnetic body and the second magnetic body, and thereby, rotating the crankshaft. | 07-05-2012 |
20120299399 | ELECTRO-MAGNETIC ENGINE - An electromagnetic engine including a plurality of pistons and a plurality of corresponding electromagnets. The pistons are each connected to a crankshaft and fabricated of a ferrous material. The electromagnets are spaced from the pistons in alignment therewith. An electrical power source is provided to power the electromagnets, and a control assembly is provided to control the sequence of energizing the electromagnets, so that by energizing the electromagnets, the pistons will be pulled toward the electromagnets in response to a timely applied electromagnetic field. The force imparted on the piston is transmitted by the rod to the crankshaft, which provides power via an output shaft for desired uses. | 11-29-2012 |
20130038145 | DRIVE DEVICE, AND MOVEMENT MECHANISM USING DRIVE DEVICE - A drive device which provides an electromagnetic impact and a movement mechanism using the drive device to achieve a reciprocating movement with a compact and simple configuration. A drive device provides an impact to an object-to-be-moved supported by a friction surface and moves the object-to-be-moved, and includes an electromagnetic coil, a permanent magnet, a stopper, and a control device which controls the electromagnetic coil. The permanent magnet relatively moves to the electromagnetic coil by an action caused by an electrical current supply to the electromagnetic coil. When the electrical current is supplied to the electromagnetic coil, the permanent magnet collides with the electromagnetic coil or the stopper, which forms the collided-body, and generates the impact. The impact can be generated in any direction, then a reciprocating movement of the object-to-be-moved can be achieved. | 02-14-2013 |
20130099601 | DRIVING DEVICE - A driving device includes an alternating magnetic field producing member, a piston member and a crankshaft member. The alternating magnetic field producing member is for producing an alternating magnetic field. The piston member is adapted such that an eddy current is produced therein by an alternating magnetic field produced by the alternating magnetic field producing member, and is movable by a repulsive force between a magnetic field produced by the eddy current and the alternating magnetic field. The crankshaft member is connected to the piston member and can convert the movement of the piston member into a rotational motion. The driving device that can obtain driving force in an environmentally friendly and efficient manner can thus be provided. | 04-25-2013 |
20130134803 | ELECTROMECHANICAL MOTOR - The present invention relates to an electromechanical motor, comprising a rotor, which is rotatable about an axis of rotation, at least one drive element, which can be displaced so as to revolve about the axis of rotation such that the rotor is rotatable by displacement of the drive element, at least two actuators, each with a first effective element, with which a force acting in one effective direction can be exerted onto a second effective element, wherein the first and the corresponding second effective element are not interconnected, and wherein the drive element can be displaced for rotation of the rotor as a result of the effect of the force of the at least two actuators. | 05-30-2013 |
20130154402 | ACTUATING DRIVE FOR A MOTOR VEHICLE - The invention relates to an actuating drive for a motor vehicle. It is an object of the invention to provide a further developed actuating drive. It is sought in particular for the actuating drive, in one embodiment, to have a small installation space and/or to be protected against the infiltration of dust and moisture. To achieve the object, the actuating drive comprises a drive, for example an electric motor for a drive wheel with an internal thread. The external thread of a spindle extends into the internal thread. By correspondingly rotating the wheel, an end of the spindle can be moved out of a housing of the actuating drive proceeding from a retracted state. Proceeding from the deployed state, the end of the spindle can be moved in the direction of the housing by correspondingly rotating the wheel in the opposite direction. Furthermore, in one embodiment, the actuating drive comprises an emergency unlocking device. | 06-20-2013 |
20130334902 | INCHWORM ACTUATOR - An inchworm actuator which can move a movable body relative to a stationary body while selectively giving priority to displacement speed or displacement resolution in accordance with the conditions of use is provided. An inchworm actuator | 12-19-2013 |
20130342033 | Electromagnetic Propulsion System- Energy Solution System - An electromechanical propulsion system is disclosed. The propulsion system uses magnetic propulsion movers to turn a shaft that can generate electrical power or rotational motion to move a vehicle. The propulsion system is well suited for use on land, air, space, above water and underwater vehicles. The propulsion system includes a plurality of electromagnets impart linear motion on a rotator connected to a shaft to turn the shaft. Multiple electromagnet movers can be used on a single rotator to increase the generated torque on the shaft. The electromagnetic propulsion system does not require consumption of any external fossil based fuels for operation. The electromagnet movers are manufactured in a self-contained configuration where it is controllable from a remote location. | 12-26-2013 |
20140203670 | Method of Magneto-Electric Hybrid Drive and Power Unit - A method of magneto-electric hybrid drive and power unit, characterized in that the unit includes a trigger control circuit ( | 07-24-2014 |
20140239745 | ROTARY TO LINEAR CONVERTER FOR DOWNHOLE APPLICATIONS - A device generates electrical energy from mechanical motion in a downhole environment. The device converts rotary motion into a linear strain in a magnetostrictive material. The device includes a rotor, a magnetostrictive element, and an electrically conductive coil. The rotor rotates within a stator of a drill string. The magnetostrictive element is attached to the rotor by a first ball joint. The magnetostrictive element is configured to experience axial strain in response to rotational movement of the rotor. The magnetostrictive element includes a second ball joint on an end of the magnetostrictive element opposite the first ball joint. The electrically conductive coil is disposed in proximity to the magnetostrictive element. The electrically conductive coil is configured to generate an electrical current in response to a change in flux density of the magnetostrictive element. | 08-28-2014 |
20140265649 | ACTUATOR CONFIGURATION FOR A ROTARY DRIVE - A rotary drive includes: a support structure; and a linear actuator supported by the support structure. The linear actuator includes: a first member; a second member that moves in a linear direction relative to the first member when a drive signal is applied to the linear actuator; and a bearing arrangement supporting the first and second members within the support structure and enabling independent movement of the first member and the second member relative to the support structure. The rotary drive also includes a linear-to-rotary converter to which the second member of the linear actuator is coupled. The linear-to-rotary converter includes an output member having a rotational axis. During operation, the linear-to-rotary converter converts linear reciprocating movement of the second member of the linear actuator to rotary movement of the output member about the rotational axis. | 09-18-2014 |
20140339927 | HIGH FORCE ROTARY ACTUATOR - An actuator includes a first stator with four first poles and a second stator with four second poles aligned with the four first poles. A permanent magnet is attached to the first stator and the second stator. Four moving armatures are positioned at terminal ends of the four first poles and the four second poles. Coils are wrapped around the first stator and the second stator. A controller selectively applies current to the coils to migrate flux created by the permanent magnet through selective poles of the first stator and the second stator and thereby alter the size of air gaps associated with the four moving armatures. | 11-20-2014 |
20150076932 | MAGNETIC MOTOR AND METHOD OF USE - Embodiments of the present invention may include a method of producing mechanical power by moving a coil coupled to a shaft partially into a magnetic cylinder having a magnetic end cap containing a plurality of stacked magnetic forces, changing the magnetic polarity of the shaft, moving the coil out of the magnetic cylinder. In other embodiments, there is an electric motor apparatus comprising a magnetic cylinder, a coil coupled to a shaft, and a means for reversing the magnetic polarity of the shaft. | 03-19-2015 |
20150091395 | Electro-mechanical Reciprocating Magnetic Piston Engine - An electrical engine using a magnetic piston is disclosed. The magnetic piston is contained in a housing which has a passage through which the magnetic piston can freely reciprocate between opposite first and second ends. Electromagnets are mounted adjacent the ends of the passage, the electromagnets configured to generate a repulsive magnetic force onto the magnetic piston when activated. An electrical switch coupling each electromagnet to an electrical current source for activating the electromagnets, the electrical switches being positioned at the ends of the passage adjacent the electromagnets. The electrical switches configured to activate the electromagnets when the magnetic piston is positioned adjacent the switches. | 04-02-2015 |
20150333608 | REPULSIVE FORCE CONVERSION DRIVES AND CENTRIFUGAL FORCE CONVERSION - A repulsive force conversion drive system for centrifugal force conversion to drive a load. A operational load to be driven by movement and provide external power due to movement of the operational load. A rotary repulsive force conversion drive connected to the operational load, such that the operational load moves in a first linear direction due to centrifugal force of rotating mass of the rotary repulsive force conversion drive. A linear repulsive force conversion drive connected to the operational load, the linear repulsive force conversion drive connected to the operational load such that the operational load moves is a second linear direction that is opposite the first linear direction on command from the linear repulsive force conversion drive. | 11-19-2015 |
20160164389 | ELECTRIC MOTOR COMBINED WITH POWER GENERATOR USING COIL PLATE HAVING SEPARATE COIL BODIES AND RECIPROCATING MAGNET PLATE HAVING SEPARATE MAGNETS - Provided is an electric motor combined with a power generator comprising: a fixed coil plate in which separate coil bodies are uniformly arranged; and a reciprocating magnet plate in which separate magnets are uniformly arranged. The installation location of the electric motor combined with a power generator is not restricted by linearly or rotationally moving equipment. In addition, the electric motor combined with a power generator enables coils and magnets to be regularly and closely arranged in the coil plate and the magnet plate, thereby minimizing loss of the locomotive force. Furthermore, when performing a reciprocating movement to which an inertial force is added, the electric motor combined with a power generator enables electric current to be instantly broken and converted and supplied by sensing of sensors, while implementing a strong reciprocating movement due to an increase of speed by means of the compression and repulsive force of a spring. | 06-09-2016 |
20180026511 | VIBRATION MOTOR AND METHOD FOR MANUFACTURING THE SAME | 01-25-2018 |
310023000 | Solenoid and core type | 24 |
20100259113 | LINEAR VIBRATOR - A linear vibrator are disclosed, wherein the linear vibrator includes a housing having a bracket and a case coupled to the bracket to form a receiving space, a spring coupled to an inner face of the case, a vibration unit having a magnet, the magnet being coupled to the spring, a coil, which has a hollow-can shape, disposed over the bracket for vibrating the vibration unit by using a magnetic field generated from the magnet and a magnet field generated from the coil, and a substrate electrically connected to the coil and the substrate interposed between the coil and the bracket, the substrate having an air venting portion being communicated with an inner space of the coil and outside of the coil. | 10-14-2010 |
20120007447 | Magnetically Actuated Reciprocating Motor and Process Using Reverse Magnetic Switching - A magnetically actuated reciprocating motor utilizes the stored energy of magnets, particularly rare earth magnets, and an electromagnetic field to reciprocally drive a magnetic actuator. A converting mechanism, such as a connecting rod and crankshaft, converts the reciprocating motion of the magnetic actuator to rotary motion for powering a work object. A solenoid, comprising a nonferromagnetic spool having a tubular center section with a coil of wire wrapped around the center section, is connected to a source of power and a switching mechanism. The switching mechanism switches the magnetic polarity at the ends of the solenoid to alternatively repel and attract permanent magnets at the ends of the magnetic actuator. A shaft interconnecting the magnets is received through the center section of the solenoid. A controlling mechanism interconnecting an output shaft and the switching mechanism provides the timing to switch the polarity of the solenoid to drive the magnetic actuator. | 01-12-2012 |
20120007448 | Magnetically Actuated Reciprocating Motor and Process Using Reverse Magnetic Switching - A magnetically actuated reciprocating motor utilizes the stored energy of rare earth magnets and an electromagnetic field provided by a solenoid to reciprocally drive a solenoid assembly. A converting mechanism, such as a connecting rod and crankshaft, converts the reciprocating motion of the solenoid assembly to power a work object. The solenoid assembly comprises a solenoid having a nonferromagnetic spool with a tubular center section and a coil of wire wrapped around the center section. A magnetic actuator has a permanent magnet at each end of an elongated shaft that is received through the center section of the spool. A switching mechanism switches magnetic polarity at the ends of the solenoid so the solenoid assembly is alternatively repelled and attracted by the permanent magnets. A controlling mechanism interconnecting an output shaft and the switching mechanism provides the timing to switch the polarity of the solenoid and reciprocate the solenoid assembly. | 01-12-2012 |
20120007449 | Magnetically Actuated Reciprocating Motor and Process Using Reverse Magnetic Switching - A magnetically actuated reciprocating motor utilizes the stored energy of permanent magnets and an electromagnetic field to reciprocally drive a magnetic actuator. A converting mechanism converts the reciprocating motion of the magnetic actuator to rotary motion for powering a work object. A solenoid, comprising a nonferromagnetic spool having a tubular center section with a coil of wire wrapped around the center section, is connected to a source of power and a switching mechanism. The magnetic actuator has permanent magnets disposed inside a tubular shaft at each end thereof. The switching mechanism switches the magnetic polarity at the ends of the solenoid to alternatively repel and attract the permanent magnets. The shaft is reciprocatively received through the center section of the solenoid. A controlling mechanism interconnects an output shaft, rotatably powered by the magnetic actuator, and the switching mechanism to switch the polarity of the solenoid to drive the magnetic actuator. | 01-12-2012 |
20120074795 | ELASTIC MOTOR-SPRING ACTUATOR - An actuator according to one embodiment of the present invention may include a fixed member and a free member. The free member is operatively engaged with the fixed member so that the free member is moveable with respect to the fixed member. The actuator also includes means for moving the free member with respect to the fixed member. An elastic element operatively associated with the free member and the fixed member is operable to store energy without a change in an overall length of the actuator. | 03-29-2012 |
20120242174 | Hybrid Electro-Magnetic Reciprocating Motor - An electric motor contains a mechanical mechanism that causes a crankshaft to rotate similar to a combustion engine. The mechanical mechanism that creates rotation of the crankshaft may consist of a piston movably mounted in a cylinder in order to rotatingly drive a crankshaft via a connecting rod. The cylinder and the piston conjointly delimit an electro-magnetic chamber. Some embodiments may have one or more electro-magnetic chambers, and may include controllers with feedback sensors to operate the electric motor at a specific speed or to control the speed as defined in a speed profile. | 09-27-2012 |
20140111034 | Magnetically Actuated Reciprocating Motor and Process Using Reverse Magnetic Switching - A magnetically actuated reciprocating motor utilizes the stored energy of magnets, particularly rare earth magnets, and an electromagnetic field to reciprocally drive a magnetic actuator. A converting mechanism, such as a connecting rod and crankshaft, converts the reciprocating motion of the magnetic actuator to rotary motion for powering a work object. A solenoid, comprising a nonferromagnetic spool having a center section with a coil of wire wrapped around the center section, is connected to a source of power and a switching mechanism. The switching mechanism switches the magnetic polarity at the ends of the solenoid to alternatively repel and attract permanent magnets at the ends of the magnetic actuator. A tubular shaft interconnecting the permanent magnets is received through the center section of the solenoid. The permanent magnets have extension members disposed in the shaft with their inward ends being disposed in spaced apart relation to form a gap therebetween. | 04-24-2014 |
20140111035 | Magnetically Actuated Reciprocating Motor and Process Using Reverse Magnetic Switching - A magnetically actuated reciprocating motor utilizes the stored energy of rare earth magnets and an electromagnetic field provided by a solenoid to reciprocally drive a solenoid assembly. A converting mechanism, such as a connecting rod and crankshaft, converts the reciprocating motion of the solenoid assembly to power a work object. The solenoid assembly comprises a solenoid having a nonferromagnetic spool with a tubular center section and a coil of wire wrapped around the center section. The center section of the spool reciprocates over a fixed magnetic actuator having a permanent magnet at each end of an elongated tubular shaft. The two permanent magnets have extension members disposed in the shaft with inward ends that are in spaced apart relation to form a gap therebetween. A switching mechanism switches magnetic polarity at the ends of the solenoid so the solenoid assembly is alternatively repelled and attracted by the permanent magnets. | 04-24-2014 |
20140117786 | Magnetically Actuated Reciprocating Motor and Process Using Reverse Magnetic Switching - A magnetically actuated reciprocating motor utilizes the stored energy of permanent magnets and an electromagnetic field to reciprocally drive a magnetic actuator. A converting mechanism converts the reciprocating motion of the magnetic actuator to power a work object. A solenoid, comprising a nonferromagnetic spool having a tubular center section with a coil of wire wrapped around the center section, is connected to a source of power and a switching mechanism. The magnetic actuator has permanent magnets disposed inside each end of an elongated tubular shaft, which is reciprocatively received through the center section of the solenoid. The inward ends of the magnets are disposed in spaced apart relation to form a gap therebetween. The switching mechanism switches the magnetic polarity at the ends of the solenoid so as to alternatively repel and attract the permanent magnets to reciprocate the magnetic actuator. A controlling mechanism controls the switching mechanism. | 05-01-2014 |
20140159515 | ACTIVE DYNAMIC VIBRATION ABSORBER - An active dynamic vibration absorber includes: a coil part provided inside a housing and wound with a coil; a yoke part that moves with respect to the coil part when current flows in the coil part, and includes an upper yoke, a lower yoke, and a permanent magnet provided between the upper yoke and the lower yoke; springs mounted to the yoke part so as to switch a movement of the yoke part to a vibration; first and second slide protrusions electrically connected to both ends of the coil of the coil part, upper and lower contact protrusions formed in the yoke part to correspond to the first and second slide protrusions; and first and second drive devices that generate a relative movement between the coil part and the yoke part by selectively applying current to the upper and lower contact protrusions according to a control signal. | 06-12-2014 |
20140292114 | Method and Apparatus for Converting Between Electrical and Mechanical Energy - The present application relates to conversion between electrical and mechanical energy. In preferred forms, a solenoid assembly is provided that may include a housing containing a core member and a coil assembly including at least one coil, a plunger assembly adapted for reciprocal movement within said housing between a first position and a second position, and a driver circuit for energizing the coil assembly to cause the plunger assembly to move at least between the first and second positions. | 10-02-2014 |
20150048695 | Method and apparatus for radial electromagnetic power arrays - Multiple arrays of linear motors and generators are combined in a radial configuration to provide high mechanical efficiency to deliver power in a single plane of motion to a common crankshaft. Magnet core assemblies for the motors and generators use powerful rare earth magnets positioned within an outer flux containment shell comprising a highly-magnetically-permeable ferrous-alloy to provide high power density. The motor magnet stack is attached directly to a link rod that connects to the crankshaft. Pulsed power is provided to electromagnetic coils coils by microcomputer control, and coil energy is recovered at the ends of the linear stroke. A controller energizes the coils in certain combinations of coil location and polarity in order to produce bi-directional mechanical motion. Energy that is released when coils are switched off is harvested as voltage pulses returned to standby batteries or capacitors, or the electrochemical cells. | 02-19-2015 |
310024000 | Plural cores | 12 |
20080197721 | APPARATUS AND METHOD USING AN INDUCED MAGNETIC FIELD TO TURN A CRANKSHAFT IN AN ENGINE - The present invention is a method for modifying a current gas or diesel engine, or building a new one, which utilizes a magnetic field produced by solenoids in the cylinders or cylinder cover to exert force on a modified piston to turn a crankshaft. The present invention removes the need for fuel and eliminates emissions. The present invention utilizes the alternator in normal operation to provide the current through the solenoids to produce magnetic fields. Vehicle speed is controlled by changing the amount of current going through the solenoid. This process changes the magnitude of the originating and induced magnetic fields of the solenoid and piston. The operation of the vehicle remains similar to traditional operation, except the greatly beneficial aspects of not needing fuel or producing emissions. | 08-21-2008 |
20090091196 | Magnetic Power Supply Engine - An electric motor utilizing a plurality of linearly reciprocating magnetic elements comparable to pistons in a fluid motor and a linear-to-rotary motion translation element comprising a sinusoidal member engaging the reciprocating magnetic elements. The sinusoidal member is fixed to a rotary output shaft. Each reciprocating magnetic element has rollers for miminizing friction while engaging the sinusoidal cam and additional rollers for guiding reciprocation within the housing of the motor. In a preferred embodiment, the electric motor is a DC motor which drives an AC generator. | 04-09-2009 |
20090261665 | ELECTROMAGNETIC VIBRATING MECHANISM - An electromagnetic vibrating mechanism having a pair of electromagnetic sensors disposed at both sides of a vibrating plate. Each of the electromagnetic sensors consists of one horseshoe-shaped solenoid and two permanent magnets disposed at the rim of the vibrating plate. The horseshoe-shaped solenoid is provided with a first coil and a second coil at both ends thereof. In this way, an electromagnetic output having different polarity is achieved when the current is applied. Furthermore, the polarity can be duly changed by means of input of electric current in different directions. Besides, each of the permanent magnets includes an upper magnet and a lower magnet. The magnets are positioned in such a manner that the polarities thereof are different in lateral direction. Meanwhile, the horseshoe-shaped solenoid is employed to create an up-and-down vibration. | 10-22-2009 |
20100219703 | Magnet motor - A magnet motor is disclosed which includes at least one cylinder with a piston therein, the piston has a permanent magnet affixed to the top with electromagnetic coils around the cylinder, which are selectively actuated to pull the permanent magnet and piston up and down in the cylinder. The movement of the permanent magnet past the coils generates electricity which is fed back into the electro-magnets. Rotation of the crankshaft continues as long as electricity is fed to the electro-magnets. | 09-02-2010 |
20100308670 | ELECTRICAL GENERATOR THAT UTILIZES ROTATIONAL TO LINEAR MOTION CONVERSION - A method and device for energy conversion from a moving fluid to electrical energy. The device includes at least one magnetic structure, at least one coil structure, a rotating component, and a rotary to linear motion conversion mechanism. The at least one coil structure includes electrically conductive material. The rotating component rotates relative to a corresponding axis of rotation in response to forces applied by the moving fluid on a structure coupled to the rotating component. The rotary to linear motion conversion mechanism is coupled to the rotating component. Rotation of the rotating component around the corresponding axis of rotation generates a relative linear displacement between the at least one magnetic structure and at least one coil in the at least one coil structure. The relative linear displacement between the at least one magnetic structure and the at least one coil generates electrical energy in the at least one coil structure. | 12-09-2010 |
20110068638 | Magnetic Power Supply Engine - An electric motor utilizing a plurality of linearly reciprocating magnetic elements comparable to pistons in a fluid motor and a linear-to-rotary motion translation element comprising a sinusoidal member engaging the reciprocating magnetic elements. The sinusoidal member is fixed to a rotary output shaft. Each reciprocating magnetic element has rollers for minimizing friction while engaging the sinusoidal cam and additional rollers for guiding reciprocation within the housing of the motor. In a preferred embodiment, the electric motor is a DC motor which drives an AC generator. | 03-24-2011 |
20110127857 | Magnetic motor with embedded honeycombed mounted gate means - A magnetic motor utilizing opposed pairs of permanent magnets as a magnetic power source are arranged with their like poles adjacent to each other. An embedded honeycombed mounted gate means is provided between each pair to repel and impart a driving force through a motor linkage mechanism. The gate means is a multilayer sandwich having electromagnets therein to provide an electromagnetic field controlling the alignment of electromagnetic shielding wafer embedded in a honeycombed which is embedded in an conductive jellylike material within the gate means. Also the gate means is embedded in an conductive jellylike material and if desired the motor could be embedded in a jellylike material with openings. Separate power supply means operates the embedded honeycombed gate means. | 06-02-2011 |
20120326535 | ELECTROMOTIVE INDUCTIVE CORE FOR A GENERATOR - An electromotive inductive core for a generator has a first rotation disk and at least two second rotation disks. A driving shaft passes through a central position of the first and second rotation disks and is connected to a power unit to drive the first and second rotation disks to simultaneously rotate. A plurality of permanent magnets and auxiliary magnets are disposed around each of the first and second rotation disks, and the permanent magnets and the auxiliary magnets are disposed on respective disks in an alternating manner and interleaved between adjacent disks with opposite poles facing each other. Furthermore, a plurality of sleeve tubes are disposed adjacent to at least a side of each of the first rotation disk and the second rotation disk, each sleeve tube having a slidable force magnet and wrapped with a coil, with ends of each coil electrically connected to a battery. | 12-27-2012 |
20140097708 | Electromagnetic Reciprocating Engine - The invention relates to an electromagnetic reciprocating engine capable of efficiently converting electrical energy into mechanical energy. The electromagnetic reciprocating engine employs the repelling force generated by electromagnets and permanent magnets to achieve a reciprocating linear motion, which motion is converted to rotational power by a crankshaft. | 04-10-2014 |
20140152125 | Linear Alternator - A linear alternator comprises a radial arrangement of five cylinders around a common crankshaft. Mechanical input power is applied to the crankshaft for conversion to electrical output power. Each of the five radial cylinders is in itself a single linear alternator in which four sets of equally spaced shuttle magnets are arranged head-to-toe and separated by spacers and insulators. The shuttle magnets are mounted as an assembly on a rod independently driven by the crankshaft such that each of five rods can correspondingly move back and forth inside four matching sets of equally spaced pickup coils. Alternating currents from each of the twenty total pickup coils are individually rectified, filtered, and regulated to charge banks of batteries or ultra-capacitors. Solid-state inverters can be connected to the batteries or ultra-capacitors to produce utility grade AC power, or DC power outputs can be tapped directly. | 06-05-2014 |
20150028700 | ELECTRO-MAGNETIC ENGINE WITH PIVOTING PISTON HEAD - An electromagnetic engine including a plurality of pistons and a plurality of corresponding electromagnets. The pistons are each connected to a crankshaft and fabricated of a ferrous material. The electromagnets are spaced from the pistons in alignment therewith. An electrical power source is provided to power the electromagnets, and a control assembly is provided to control the sequence of energizing the electromagnets, so that by energizing the electromagnets, the pistons will be pulled toward the electromagnets in response to a timely applied electromagnetic field. The force imparted on the piston is transmitted by the rod to the crankshaft, which provides power via an output shaft for desired uses. | 01-29-2015 |
20160049848 | LINEAR RELUCTANCE MOTOR DEVICE AND ENGINE APPARATUS - A reluctance motor includes a ferromagnetic seat, a non-magnetic sleeve sleeved on the seat, a magnetizing coil wound around the sleeve, a magnetic core surrounding the sleeve, a ferromagnetic cover covering the sleeve, and a ferromagnetic pseudo piston partly disposed in the sleeve and axially movable relative to the sleeve. | 02-18-2016 |