Class / Patent application number | Description | Number of patent applications / Date published |
310120040 |
Specific use device
| 77 |
310120160 |
Voice coil type
| 65 |
310120270 |
Mechanical element
| 64 |
310120240 |
Magnet or pole structure
| 61 |
310120180 |
Synchronous type (e.g., variable reluctance)
| 41 |
310120210 |
Coil structure
| 37 |
310120140 |
Motor having both linear and rotary movement
| 27 |
310120190 |
Having structure to facilitate control (e.g., position detector)
| 22 |
310120150 |
Plural stators or movable elements
| 20 |
310120020 |
Having structure to facilitate assembly
| 14 |
310120170 |
Stepping or linear pulse type
| 10 |
310013000 |
Fixed and movable wound element type | 5 |
20090015078 | Mover for a Linear Motor - A mover for a linear motor comprises a body. The body includes at least more than one engaging elements, at least more than one connecting element, at least more than one engaging portion and at least more than one connecting portion. With the engaging elements, connecting elements, engaging portions and connecting portions of the body, multiple movers can be connected with each other and perform the actuating action by cooperating with the stator, thus not only increasing the push force by achieving a continuous electric current multiplication of the linear motor, but also reducing the development cost of the mover, and achieving the high availability that the quantity of the movers can be increased or decreased according to the requirements of the client. | 01-15-2009 |
20090072635 | LINEAR MOTOR GEOMETRY FOR USE WITH PERSISTENT CURRENT MAGNETS - An electrically powered launcher is disclosed that can accelerate small payloads to orbital velocities. The invention uses a novel geometry to overcome limitations of other design, and allows full exploitation of existing superconducting materials. | 03-19-2009 |
20090140583 | Synchronous Linear Motor - The invention relates to a synchronous linear motor comprising a mobile primary part ( | 06-04-2009 |
20090243403 | RECOILLESS VOICE COIL ACTUATOR AND METHOD - A recoilless voice coil actuator and method having flexures connected to both the magnet and the voice coil allowing independent movement of both the magnet and the voice coil in the direction of actuation. The stiffness or resistance to movement of the flexures is selected so that the natural frequencies of the magnet and the voice coil along the direction of actuation are substantially the same. | 10-01-2009 |
20100117461 | ELECTROMOTIVE MACHINES - An electromotive machine ( | 05-13-2010 |
20090015078 | Mover for a Linear Motor - A mover for a linear motor comprises a body. The body includes at least more than one engaging elements, at least more than one connecting element, at least more than one engaging portion and at least more than one connecting portion. With the engaging elements, connecting elements, engaging portions and connecting portions of the body, multiple movers can be connected with each other and perform the actuating action by cooperating with the stator, thus not only increasing the push force by achieving a continuous electric current multiplication of the linear motor, but also reducing the development cost of the mover, and achieving the high availability that the quantity of the movers can be increased or decreased according to the requirements of the client. | 01-15-2009 |
20090072635 | LINEAR MOTOR GEOMETRY FOR USE WITH PERSISTENT CURRENT MAGNETS - An electrically powered launcher is disclosed that can accelerate small payloads to orbital velocities. The invention uses a novel geometry to overcome limitations of other design, and allows full exploitation of existing superconducting materials. | 03-19-2009 |
20090140583 | Synchronous Linear Motor - The invention relates to a synchronous linear motor comprising a mobile primary part ( | 06-04-2009 |
20090243403 | RECOILLESS VOICE COIL ACTUATOR AND METHOD - A recoilless voice coil actuator and method having flexures connected to both the magnet and the voice coil allowing independent movement of both the magnet and the voice coil in the direction of actuation. The stiffness or resistance to movement of the flexures is selected so that the natural frequencies of the magnet and the voice coil along the direction of actuation are substantially the same. | 10-01-2009 |
20100117461 | ELECTROMOTIVE MACHINES - An electromotive machine ( | 05-13-2010 |
310120130 |
Plural dynamoelectric machines (e.g., motors, generators) | 4 |
20110025137 | LINEAR MOTOR AND ELECTRONIC COMPONENT TRANSFER DEVICE EQUIPPED WITH LINEAR MOTOR UNIT - One aspect of the present invention relates to a linear motor unit including a plurality of linear motors, each having a stator, a movable element that linearly reciprocates along the stator, and a magnetic sensor that can detect a position of the movable element, wherein the magnetic sensors of the adjacent linear motors are disposed so as to be placed in mutually different positions in a moving direction of the movable element. | 02-03-2011 |
20130127264 | COMBINATION DRIVE FOR ROTARY AND LIFTING MOVEMENTS, AND LINEAR MOTOR WITH REDUCED INERTIAS - A combination drive for rotary and lifting movements includes a rotary motor and a linear motor as well as an output shaft which is caused to rotate by the rotary motor and caused to move linearly by the linear motor. The output shaft includes an output end. The rotary motor is arranged closer to the output end of the output shaft than the linear motor. The output shaft can be designed shorter as a result. Further measures for increasing the dynamics are mass reductions on the rotor of the linear motor. | 05-23-2013 |
20130127265 | CYLINDRICAL LINEAR MOTOR HAVING LOW COGGING FORCES - Cogging forces of a cylindrical linear motor are reduced with a linear motor having a rotor with eight poles and a stator with 36 toroidal coils (optionally multiples of eighteen toroidal coils) inserted into slots (N | 05-23-2013 |
20130320781 | MOVEMENT DEVICE HAVING LINEAR MOTOR - A movement device includes: a linear motor including a mover and a stator and moving a movement body including the mover in one axial direction; a rotational motor having a rotor and included in the movement body; and a control device. The rotation axis of the rotor passes through the center of gravity of the movement body and intersects a plane including the center of gravity and the path of movement of the mover. The control device controls the rotation of the rotor so that the counter rotational torque which compensates at least a part of rotational torque acting on the movement body due to the movement of the mover is generated in the rotor. | 12-05-2013 |
310120030 |
Micromachine (e.g., MEMS device, nanotechnology) | 1 |
20150357897 | MICROMECHANICAL COMPONENT AND METHOD FOR PRODUCING A MICROMECHANICAL COMPONENT - A micromechanical component includes a mount; a drive body on which at least one coil device is disposed and which is connected to the mount by way of at least one spring such that the drive body can be set into a driving motion by an interaction of a current conducted through the at least one coil device and a magnetic field present at the at least one coil device; and a control element connected to the drive body such a manner that a setting of the drive body into a driving motion causes the control element to be set into a deflection motion with at least one motion component directed about a rotation axis. At least one connecting element disposes the drive body and control element relative to each other such that the rotation axis extends at a spacing from a center of gravity of the drive body. | 12-10-2015 |
Entries |
Document | Title | Date |
20100164304 | Base for Planar Servo Motor - A base for planar servo motor which is defined with a hollow space for reducing the weight of the base. Thereby, when the base is hung upside down, the base can be prevented from being deformed by its own weight, and the load of a machine table for supporting the base can be relatively reduced, so as to avoid causing vibration of the machine table. In addition, the hollow space can reduce the material for manufacturing the base, so that the cost is reduced. | 07-01-2010 |
20100194210 | LINEAR ACTUATOR UNIT - Provided is a linear actuator unit capable of suppressing flexure of a magnet rod ( | 08-05-2010 |
20110115309 | METHOD OF SIZING, SELECTION AND COMPARISON OF ELECTRICAL MACHINES - The object of invention is the method of sizing, selection and comparison of linear and rotary electrical machines. According to the invention, the machines can be sized, selected and compared by new specific parameters: electromagnetic specific motor constant k | 05-19-2011 |
20110193425 | LINEAR ACTUATOR - A linear actuator includes a coil portion and a shaft portion. The coil portion includes a plurality of coils respectively applied with AC currents having different phases from one another. The shaft portion passes through an inside of the plurality of coils. The shaft portion includes: a plurality of permanent magnets and a plurality of intermediate members. The plurality of permanent magnets is arranged along a central axis C such that opposite magnetization directions face to each other in a direction of the central axis C. Each of the plurality of intermediate members is arranged between adjacent two of the plurality of permanent magnets. A saturation magnetic flux density of each of the plurality of intermediate members is higher than a saturation magnetic flux density of each of the plurality of permanent magnets. | 08-11-2011 |
20120187778 | Actuator Which Can Be Actuated Electromagnetically, Particularly For An Adjustable Damping Valve Of A Vibration Damper - Actuator which can be actuated electromagnetically includes a coil, a magnetically conductive actuator sleeve being fixed in the magnetic field thereof. The magnetic field passes radially from the actuator sleeve to an axially movable armature and passes axially in the area of a pole plane from the armature to a return member which is stationary with respect to the actuator and, in so doing, generates a magnetic force which displaces the armature. The actuator sleeve for the magnetic flux of the coil has at least two functionally parallel passage areas having different cross sections for receiving the armature which has a conducting profile complementary to the actuator sleeve. | 07-26-2012 |
20140265644 | ELECTROMAGNETIC ACTUATORS AND COMPONENT DESIGNS THEREFOR - An embodiment of an electromagnetic actuator, such as a moving magnet actuator (MMA), includes a back iron, a first coil winding, a second coil winding, a mover, and a permanent magnet. The first and second coil windings are connected to the back iron, and have generally annular shapes. The mover moves relative to the back iron during use of the MMA. The permanent magnet is connected to the mover and moves with the mover during use of the MMA. The permanent magnet has a generally annular shape. | 09-18-2014 |
20140333155 | Method for Producing a Useful Temporary Modification of Fermion Mass at Room Temperature in Certain Metalloids - A useful technique for the temporary modification of Fermion mass at room temperature in certain metalloids is disclosed. This technique has demonstrated an easily observable weight modification effect, using novel but comparatively inexpensive materials, in an industrial or every-day environment, at room temperature. Various simple and easily engineered methods for converting this modification into a useful source of propulsive directed force are disclosed. | 11-13-2014 |
20140339924 | MAGNETIC MOTOR DEVICE OF AN ELECTRODYNAMIC TRANSDUCER - A magnetic motor device of an electrodynamic transducer, which includes a bonded annular magnet and a tubular element mounted coaxially relative to the bonded annular magnet. The bonded annular magnet includes a magnetic cylindrical surface, while the tubular element includes a winding extending opposite the magnetic cylindrical surface, the tubular element configured to be driven axially relative to the bonded angular magnet when electric power is supplied to the winding. A metal tubular member includes a metal cylindrical surface, and the metal tubular member is mounted coaxially relative to the tubular element such that the metal cylindrical surface extends opposite the magnetic cylindrical surface relative to the winding. | 11-20-2014 |
20140361641 | LINEAR ACTUATOR AND TUBE ASSEMBLY METHOD FOR LINEAR ACTUATOR - A linear actuator includes a first tube and a second tube inserted into the first tube to be free to slide. The first tube includes an outer tube and a cap provided detachably on an end portion of the outer tube, while the second tube includes a base portion and an inner tube provided detachably on the base portion and inserted into the outer tube to be free to slide. A first sliding member that slides against an outer periphery of the inner tube is provided on an inner periphery of one end of the outer tube. A second sliding member that slides against an inner periphery of the outer tube is provided on an outer periphery of an end portion of the inner tube corresponding to the other end of the outer tube. | 12-11-2014 |
20150298625 | ACTUATOR, MOTOR VEHICLE COMPRISING SUCH ACTUATOR AND METHOD FOR OPERATING AN ACTUATOR - An actuator ( | 10-22-2015 |
20150357895 | LINEAR DRIVE - The present invention relates to a linear drive ( | 12-10-2015 |
20160197542 | Controlled Needle-Free Transport | 07-07-2016 |