Patent classifications
H02K41/033
ELECTRIC LINEAR MOTOR
The invention relates to an electric linear motor for a transport system, the electric linear motor being formed by at least one linear stator rail with stator poles being located in a fixed correlation to an environment, and at least one mover co-acting and moving along the stator rail, the linear stator rail comprising at least one horizontal stator rail, having upper stator poles extending upwards from the horizontal stator rail and lower stator poles extending downwards from the horizontal stator rail. According to the invention at least one of the physical characteristic of the upper stator poles differs from that of the lower stator poles, as to cope with gravitational forces acting on the mover in normal direction of the horizontal stator rail.
Secondary of linear motor
The present invention provides a secondary side of a linear motor, which mainly includes a base, a combining mechanism and multiple magnetic members, wherein the base has multiple plates that are sequentially stacked into a block; the combining mechanism is configured to combine the plate-shaped bodies; and the magnetic members are disposed on the base in a separated manner.
INCLINED ELEVATOR AND METHOD FOR MANUFACTURING THEREOF
An inclined elevator and a method for manufacturing thereof are presented. The elevator comprises a support structure defining an inclined channel with landing entrances. The elevator comprises a longitudinal stator beam attached to the inclined channel to define an inclined movement path. The elevator comprises a car comprising a battery and a drive unit and configured to be moved between the landing entrances. The elevator also comprises a mover coupled to the car. The mover comprises a winding and is arranged to face at least on side face to generate a travelling magnetic field along the side face(s) for moving the mover.
OPTICAL UNIT AND ENDOSCOPE
An optical unit includes: a first actuator for driving a first movable barrel; a second actuator for driving a second movable barrel; a first contact surface for defining a first frontmost end position which the first movable barrel takes; a second contact surface for defining a rearmost end position which the first movable barrel takes; a third contact surface for defining a frontmost end position which the second movable barrel takes; a fourth contact surface for defining a rearmost end position which the second movable barrel takes; and a contact member formed on the first movable barrel, having a fifth contact surface which is brought into contact with a distal end surface of the second movable barrel, and defining a first stop position or a second stop position.
Linear flux switching permanent magnet motor
A linear flux switching permanent magnet (FSPM) motor includes a longitudinal, linear stator with stator teeth facing an air gap and a mover including at least one armature including armature teeth embedding at least one permanent magnet, which armature teeth are spaced apart by slots for receiving an armature winding, and which armature teeth have an extended width portion towards the air gap. The extended width portion of the armature teeth begins in the longitudinal direction of the armature teeth already at the level of the armature windings.
Linear motor and device provided with linear motor
To provide a linear motor and device which suppress contact of a movable element with a core. The linear motor includes: a movable element having a permanent magnet; and an armature having magnetic pole teeth located in an up/down direction of the movable element, a winding wound around the magnetic pole teeth, and an arm part extending in a right/left direction of the movable element. The movable element and the armature make relative movement in a front/back direction. The linear motor includes a protective member which is located between the arm part and the movable element and in which a movable element facing surface facing the movable element is located inside an outer end of the winding.
ELECTRIC LINEAR MOTOR
The invention refers to an electric linear motor comprising a longitudinal stator beam; at least one mover adapted to move along the stator beam; which stator beam comprises at least two side faces located at opposite sides of the stator beam, each of the side faces carrying ferromagnetic poles spaced apart by a pitch, and which mover comprises at least two counter-faces facing the respective side faces of the stator beam, wherein the at least two side faces, as well as the at least two counter-faces facing the respective side faces, are inclined or offset with respect to each other.
Secondary part for an ironless linear motor, and ironless linear motor
A secondary part, which defines a magnetic path for a primary part of a linear motor, includes a spacer element having a plurality of mounting points that, in an application, are configured to fasten the secondary part. Two yoke plates that form lateral sides are configured to be fastened to the spacer element such that the two yoke plates extend in mutual opposition, orthogonally to the magnetic path. The two yoke plates are configured to accommodate a plurality of permanent magnets on respective inner sides thereof. The two yoke plates have, on respective outer sides thereof, a reinforcing structure that is formed by a periodic variation of plate thickness in the direction of the magnetic path. Local minima of the reinforcing structure overlapping with the mounting points along the direction of the magnetic path.
Stator assembly with stack of coated conductors
A stator includes layers of coated conductor. The coating is insulative and provides electrical isolation of adjacent conductor layers. The multiple layers of coated conductor form a stator core, and the stator includes magnet assemblies that sandwich the stator core. The conductor layers stack in a direction orthogonal to a plane of the magnet assemblies. The conductor layers have a rectangular cross section.
Synchronous linear motor
A synchronous linear motor, including: a stator including projecting poles including magnetic bodies; and a movable element arranged opposed to the projecting poles through a space. The movable element includes a core with a magnetic body, coils, and permanent magnets arrayed along a moving direction. The core includes core backs and teeth projecting from the core backs toward the projecting poles. The coils are at least wound around the teeth on both end sides in the moving direction. The permanent magnets are arranged at center portions of the teeth along a projecting direction of the teeth. A polarity of a magnetic pole of the permanent magnet is the same as a polarity of an opposed magnetic pole in an adjacent permanent magnet. The number of different shapes of the permanent magnets or the number of different magnetic characteristics of the permanent magnets is two or more.