| MAXON MOTOR AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120013209 | SMALL ELECTRIC MOTOR AND METHOD FOR PRODUCING A SMALL ELECTRIC MOTOR - A small electric motor is disclosed, such as a claw pole motor. An exemplary small electric motor includes a housing, a stator having at least two stator windings, a rotor having a rotational axis, and a flexible conductor foil for the electrical connection of the stator windings. The conductor foil includes winding connection contacts, external connection contacts and conductor paths between the winding connection contacts and the external connection contacts. Taps of the stator windings are electrically contacted with the winding connection contacts of the conductor foil. The conductor foil can be configured as an elongated strip having at least two connection portions which are arranged in spaced-apart relationship with each other and include winding connection contacts. | 01-19-2012 |
| 20110304234 | SMALL ELECTRIC MOTOR - In a small electric motor having a stator and a rotor which includes a solid-cylindrical permanent magnet and at least one shaft element mounted on a face of the permanent magnet and bonded thereto by adhesive, the shaft element has at least one recess on its face facing the permanent magnet. The adhesive is introduced into the recess and contacting the face of the permanent magnet in the area of the recess. | 12-15-2011 |
| 20110298322 | ELECTRIC MOTOR/GEAR MECHANISM UNIT - The invention relates to an electric motor/gear mechanism unit including a housing, an iron-free rotor winding rotatably arranged in the interior of the housing, a collector connected to the rotor winding, a rotor shaft extending through the collector, and a gear mechanism which is connected to the rotor shaft and which has an output shaft. The present invention is so conceived that the gear mechanism is produced from a non-magnetic material and arranged in the interior of the rotor winding. | 12-08-2011 |
| 20110296698 | KIT FOR AN ELECTRIC MOTOR HAVING A ROTARY ENCODER - The present invention relates to a kit for an electric motor having a rotary encoder for determining the position of the motor shaft of the electric motor. A kit is proposed by which simple and precise positioning of a sensor of the rotary encoder on the electric motor, good protection of the sensor, and simple assembly are possible. To this end, the invention proposes that the kit includes an electric motor and a rotary encoder having a solid measure and having a sensor having sensor electronics, wherein the solid measure of the rotary encoder can be applied to a motor shaft at a reverse end face of the electric motor and protruding therefrom, the sensor of the rotary encoder is embedded with the sensor electronics in a plastic disc, a motor-side mounting element is disposed at the reverse end face of the electric motor, and the plastic disc comprises a sensor-side mounting element designed to be complementary to the motor-side mounting element. | 12-08-2011 |
| 20110175462 | LINEAR DRIVE - The present invention relates to an electric linear drive, particularly for a rotary-lifting motor. Such a linear drive includes a winding system including a plurality of wound coils which are arranged to be coaxial to each other and successive in axial direction, and a magnet system which is movable in axial direction relative to the winding system and includes a plurality of axially successive permanent magnets. The winding system is normally fed by a controlled converter. The coils of the winding system and the permanent magnets of the magnet system define an air gap thereinbetween. Furthermore, a sensor is provided for detecting the relative movement of winding system and magnet system and for detecting the relative position of the two systems, the sensor being used for scanning a timing ruler mounted on the outer circumference of the magnet system. The magnet system is radially arranged in the interior of the winding system, and the timing ruler circumferentially extends only over a portion of the circumference of the magnet system. According to the invention it is either provided that the coils of the winding system have a radial bulge for the timing ruler, or that the magnet system is eccentrically arranged relative to the winding system, or that the magnet system includes a radial bulge in the form of a flat portion for the timing ruler. | 07-21-2011 |
| 20110169362 | CONNECTION MODULE FOR DC MOTORS - A DC motor is disclosed which includes a motor housing and at least one connection module adapted to be installed on the motor housing. The DC motor can be compact, flexibly adaptable to customer requirements and also easily installable in the case of a confined installation space. For this purpose, the motor housing can include a front-sided centering elevation or centering recess which cooperates with a centering recess or a centering elevation on the connection module. The connection module can be freely rotatable in a mounting state on the motor housing, and non-rotatably connected to the motor housing in the mounted state. | 07-14-2011 |
| 20110138604 | METHOD OF ESTABLISHING A PRESS FIT OF A COMPONENT ON A SHAFT - The present invention relates to a method of establishing a press fit of a component with a mounting hole on a shaft. It aims at providing a method that allows exact positioning of the component to be mounted on the shaft as well as a flexible way of use. To this end, the method is so conceived that an inner surface of the mounting hole of the component and/or a circumferential surface of the shaft is/are partially fused so that calotte-shaped projections protruding beyond the inner surface of the mounting hole and/or the circumferential surface of the shaft will form, that the component and/or the shaft is/are subsequently cooled, so that the calotte-shaped projections will solidify, and that the component is then slipped onto the shaft until the mounting hole is positioned in a fastening area of the shaft. In addition, the present invention also relates to components for establishing a press fit of a shaft-hub connection. | 06-16-2011 |
| 20100284769 | FEEDER DEVICE FOR INSERTION MACHINES OF PRINTED CIRCUIT BOARDS - A feeder device is disclosed for insertion machines for printed circuit boards, including a housing, a drive motor, a gear unit and a pin wheel engaging with a transport tape. The drive motor and the gear unit are arranged on a common side wall of the housing such that the axles thereof are perpendicular to the side wall. A narrow structural design of the feeder device can be provided, which also allows easy mounting. To this end, the rotor of the drive motor is rotatably mounted on only one axle which is fixedly connected to the side wall of the housing. | 11-11-2010 |
| 20100240490 | BACKLASH-FREE PLANETARY GEAR UNIT WITH SPLIT PLANET GEARS, WHICH ARE PRELOADED BY SPRING BARS ARRANGED PARALLEL TO THE PLANETARY AXIS OF ROTATION - The invention relates to a backlash-free planetary gear unit comprising a sun gear, an internal gear and at least one planet gear which is in mesh with said sun gear and said internal gear and which is arranged on a planet carrier such that it is rotatable about a planetary axis of rotation, wherein the toothed planet gear has a plane of division which is oriented perpendicular to the planetary axis of rotation and by means of which the planet gear is divided into a first planet subgear and a second planet subgear, wherein the first planet subgear is preloaded relative to the second planet subgear by a spring bar arranged in these two planet subgears substantially parallel to the planetary axis of rotation, and wherein a plurality of spring bars is arranged around the planetary axis of rotation. | 09-23-2010 |
| 20100079154 | CAPACITIVE ANGLE ENCODER AND WITHDRAWABLE FEEDER FOR CIRCUIT BOARD COMPONENT INSERTION MACHINES - The invention relates to a capacitive angle encoder for detecting a rotational position of a rotatable object relative to a stationary object as well as a withdrawable feeder for circuit board component insertion machines, said withdrawable feeder being equipped with an angle encoder according to the invention. The angle encoder comprises a stator that supports first and second transmitting electrodes and first and second receiving electrodes, and a rotor which supports an incremental coupling electrode and an absolute value-coupling electrode. The incremental coupling electrode is designed such that the first electrostatic field is modulated by a change in capacitance in response to a change in the rotational position of the rotor, while the absolute value-coupling electrode is designed such that the second electrostatic field is modulated by a change in capacitance in response to an absolute rotational position of the rotor. A signal processing circuit detects the first and second modulated electrostatic field and determines a measured value for the position in response to the detected field. The at least one first and second transmitting electrode and the at least one first and second receiving electrode are coplanar to one another. | 04-01-2010 |
