Abstract: The invention relates to a stator active part for an electric motor, preferably a permanent-magnet-excited synchronous machine consisting of a hollow-cylindrical yoke, comprising an inner cladding and having a receptacle space, into which a coil support is inserted, wherein the coil support consists of a peripherally-closed, hollow-cylindrical tubular body extending in the axial direction (A) of the yoke, on the outer cladding of said body a plurality of coil holders being formed, wherein a finely-distributed coil is installed on each coil holder.

Abstract: The invention relates to a stator active part for an electric motor, preferably a permanent-magnet-excited synchronous machine consisting of a hollow-cylindrical yoke, comprising an inner cladding and having a receptacle space, into which a coil support is inserted, wherein the coil support consists of a peripherally-closed, hollow-cylindrical tubular body extending in the axial direction (A) of the yoke, on the outer cladding of said body a plurality of coil holders being formed, wherein a finely-distributed coil is installed on each coil holder.

Abstract: The disclosure relates to a temperature monitoring assembly for monitoring the windings of a motor, comprising at least one temperature sensor or thermal circuit breaker arranged outside of and spaced from the windings of the motor, and at least one heat conducting component, which extends from a first component section for heat coupling and heat transfer, which is in contact with or adjacent to the windings, to a second component section for heat coupling and heat transfer, on or adjacent to the temperature sensor.

Abstract: A blower (1) with a blower housing (2), a blower wheel (4) positioned so as to rotate inside a blower housing (2), an electric motor (6) for the rotational drive of the blower wheel (4), as well as with a saucer-shaped attachment housing (8) positioned externally on the blower housing (2). The attachment housing (8) contains motor-control electronics (10) and exhibits in its connection area facing the blower housing (2) a metallic cover element (14) covering the motor control electronics (10) and protects against an electromagnetic radiation from the electric motor (6).

Abstract: The disclosure relates to a temperature monitoring assembly for monitoring the windings of a motor, comprising at least one temperature sensor or thermal circuit breaker arranged outside of and spaced from the windings of the motor, and at least one heat conducting component, which extends from a first component section for heat coupling and heat transfer, which is in contact with or adjacent to the windings, to a second component section for heat coupling and heat transfer, on or adjacent to the temperature sensor.

Abstract: A stator for an electric motor, in particular for an external rotor motor, has a basic body (3) with a laminated stator core and with stator coils arranged on the laminated stator core. Each of the stator coils has a winding wire start and a winding wire end. Each winding wire start is attached to contact pins. The basic body (3) is extrusion-coated with a sleeve made from plastic, from which contact pins at least partially protrude. In order to reduce the manufacturing costs, a contact holder (2) encased in the sleeve together with the basic body (3) is pushed via the free ends of the contact pins onto the basic body (3), wherein the contact holder (2) encases the contact pins with a sealing section (11) in a gap-free, sealing manner.

Abstract: A fan (1) consisting of an electric external rotor motor (2) and of a fan wheel (4), the external rotor motor (2) consisting of a stator (6) encapsulated with an insulating material (14), and a rotor (8) carrying the fan wheel (4) enclosing the stator (6) in a pot-shaped manner. The rotor (8) having ventilation openings in a front wall (18). The stator (6) having projecting fins (24) on a front area (22) arranged and distributed over the circumference which is opposite the ventilation openings (20). A gap (34) between a circumferential rim (36) of the rotor (18) opposite the front wall (18) and a stator carrier (38) forms a passage for a cooling air current flowing around the stator (6) during operation. During operation, the cooling air is swirled intensively between the ventilation openings (20) and the projecting fins (24) for cooling the motor.

Abstract: A fan unit (1), to be attached to a filter frame (40) of a filter fan, consisting of a housing with a cylindrical housing rim, an inlet opening (20), an outflow opening (7) and at least one protective grid which covers one of both of the openings, and one fan (4) attached to the housing via a motor mount (14) which conveys the air in at least the axial direction. The design enabling the manufacture of a more compact fan unit in an easier and more cost-effective manner, which provides high efficiency and can be installed as a suction as well as a blowing fan unit in the filter fan, and is easy to dismount for the maintenance of the filter fan.

Abstract: A blower (1) with a blower housing (2), a blower wheel (4) positioned so as to rotate inside a blower housing (2), an electric motor (6) for the rotational drive of the blower wheel (4), as well as with a saucer-shaped attachment housing (8) positioned externally on the blower housing (2). The attachment housing (8) contains motor-control electronics (10) and exhibits in its connection area facing the blower housing (2) a metallic cover element (14) covering the motor control electronics (10) and protects against an electromagnetic radiation from the electric motor (6).

Abstract: A stator for an electric motor, in particular for an external rotor motor, has a basic body (3) with a laminated stator core and with stator coils arranged on the laminated stator core. Each of the stator coils has a winding wire start and a winding wire end. Each winding wire start is attached to contact pins. The basic body (3) is extrusion-coated with a sleeve made from plastic, from which contact pins at least partially protrude. In order to reduce the manufacturing costs, a contact holder (2) encased in the sleeve together with the basic body (3) is pushed via the free ends of the contact pins onto the basic body (3), wherein the contact holder (2) encases the contact pins with a sealing section (11) in a gap-free, sealing manner.

Abstract: A fan (1) consisting of an electric external rotor motor (2) and of a fan wheel (4), the external rotor motor (2) consisting of a stator (6) encapsulated with an insulating material (14), and a rotor (8) carrying the fan wheel (4) enclosing the stator (6) in a pot-shaped manner. The rotor (8) having ventilation openings in a front wall (18). The stator (6) having projecting fins (24) on a front area (22) arranged and distributed over the circumference which is opposite the ventilation openings (20). A gap (34) between a circumferential rim (36) of the rotor (18) opposite the front wall (18) and a stator carrier (38) forms a passage for a cooling air current flowing around the stator (6) during operation. During operation, the cooling air is swirled intensively between the ventilation openings (20) and the projecting fins (24) for cooling the motor.

Abstract: A fan unit (1), to be attached to a filter frame (40) of a filter fan, consisting of a housing with a cylindrical housing rim, an inlet opening (20), an outflow opening (7) and at least one protective grid which covers one of both of the openings, and one fan (4) attached to the housing via a motor mount (14) which conveys the air in at least the axial direction. The design enabling the manufacture of a more compact fan unit in an easier and more cost-effective manner, which provides high efficiency and can be installed as a suction as well as a blowing fan unit in the filter fan, and is easy to dismount for the maintenance of the filter fan.

Abstract: Communications equipment can be tested using a test pattern encapsulated within a frame, and offsetting the test pattern in each successive frame. In equipment having a number of data latches receiving serial input, the introduction of the offset allows each latch, over time, to be exposed to the same pattern as the other latches. That is, the latches “see” different portions of the pattern at a given time, but over time, each can be exposed to the full pattern. Otherwise, each latch would “see” its own static pattern, different from the other latches, but the same over time with respect to itself. The offset can enhance diagnostic capabilities of the test pattern.

Abstract: Communications equipment can be tested using a test pattern that is modified compared to, and more exploitive than, a standard test pattern. Test patterns can be employed that have lengthened or shortened consecutive identical digit (CID) portions, or that have lengthened or shortened pseudo random bit sequence (PRBS) portions. In some cases, PRBS polynomials are not re-seeded after each CID. Further, different order polynomials can be employed for different applications. Exemplary applications can include test equipment and built-in self-test capability for integrated circuits.

Abstract: The present invention relates to an electric motor having a high degree of protection against the ingress of foreign particles and moisture, in particular an electronically commutated external rotor DC motor, having a stator (1), having a rotor (2) and having an electronics housing (6) which extends transversely with respect to the motor shaft (3) and accommodates in its interior (4) a printed circuit board (5) having open-loop and closed-loop control electronics and commutation electronics. In this case, connection openings (6c) are located in a base (6b) of the electronics housing (6), connection elements (7), which connect the stator (1) and the printed circuit board (5) to one another, passing through the connection openings (6c), and a seal (8, 8a, 8c, 8e, 11, 12, 18, 24) seals at least the connection openings (6c) in the base (6b) of the electronics housing (6) through which the connection elements (7) pass.

Abstract: The present invention relates to an electric motor having a high degree of protection against the ingress of foreign particles and moisture, in particular an electronically commutated external rotor DC motor, having a stator (1), having a rotor (2) and having an electronics housing (6) which extends transversely with respect to the motor shaft (3) and accommodates in its interior (4) a printed circuit board (5) having open-loop and closed-loop control electronics and commutation electronics. In this case, connection openings (6c) are located in a base (6b) of the electronics housing (6), connection elements (7), which connect the stator (1) and the printed circuit board (5) to one another, passing through the connection openings (6c), and a seal (8, 8a, 8c, 8e, 11, 12, 18, 24) seals at least the connection openings (6c) in the base (6b) of the electronics housing (6) through which the connection elements (7) pass.

Abstract: The present invention relates to a method for the detection and for the determination of enzymatic reactions in urine, wherein certain substances which improve the optical measurability of the enzymatic reaction are added to the reaction.

Abstract: The transmission mechanism of the instrument is lodged in two fabricate bridges. Axles are journalled with one end in a one-piece bearing spring, allowing a simple, play free and low-friction bearing and a simple assembling. The bridges are connected together by means of positioning elements and snapped together in elastic holding tongues and held in the desired position. One of the axles can be axially adjusted by means of its bearing screw and thanks to its journalling in the bearing spring, in order to adjust the transmission ratio of the transmission mechanism. The bearing screw of the axle can be adjusted radially too by means of a screw and a flexible tongue in order to adjust the zero position of the tracer contacting the membrane, or to make a zero point correction.

Abstract: An x-ray diagnostics installation has a solid-state image transducer with a layer whose electrical resistance is dependent on the intensity of incident radiation from an x-ray source, and an electro-luminescent layer in contact therewith which converts the resistance into a corresponding brightness value. Due to the decay time of the electro-luminescent layer, an image will be temporarily stored in the solid-state image transducer after the x-ray source has been deactivated. This temporarily stored image is read-out, after deactivation of the x-ray source, by a scanner for converting the brightness of the picture elements of the electro-luminescent layer into corresponding electrical signals. These signals are supplied to a data acquisition and processing system, which generates an image for display.

Abstract: An x-ray image intensifier has an electrode system for focusing electrons, produced by the incidence of x-radiation on the input luminescent screen, onto the output luminescent screen. An electrode of the electrode system is applied as a coating to the interior of a one-piece electrode substrate, which forms the envelope of the vacuum vessel of the x-ray image intensifier, and a voltage is applied to the coating so that the potential field continuously increases in the space between the input luminescent screen and the output luminescent screen.