Abstract: The invention relates to a rotor unit for a brushless electric motor with an annular rotor core surrounding a central axis, a plurality of magnet arrangements that are arranged around the rotor core in a circumferential direction of the rotor and that each have a convex outer peripheral face, an inner contact face, two axial end faces and two side faces pointing in the circumferential direction, a magnet holder having a number of holding portions which are each arranged between two adjacent magnet arrangements and are moulded onto a ring portion of the magnet holder, wherein the holding portions are configured T-shaped in a cross section along a plane running transversely to the central axis and each have a shank portion and a head portion, wherein the shank portion lies on the side faces of the magnet arrangements in a contact region and the head portion lies on the peripheral faces of the magnet arrangements, wherein the head portion lies on the peripheral faces in a contact area, which contact area is s

Abstract: A conductor connection, a connection piece and a method for fabricating a conductor connection are disclosed. In an embodiment a conductor connection includes a connection piece including one or more openings and a wall whose distance from a longitudinal axis of the connection piece increases toward at least one of the openings, and several electric conductors, wherein each of the electric conductors extends through one of the openings into the connection piece.

Abstract: A method for producing a gas mixture in a gas container is provided, having a plurality of components. At least one first component is volumetrically metered, said first component being locked into at least one sample volume of a plurality of sample volumes from a storage container of the first component and conducted into the gas container from the at least one sample volume, and at least one second component is gravimetrically metered, wherein the at least one second component is conducted from a storage container of the at least one second component into the gas container, and the gas container is weighed using a scale in order to determine the content of the at least one second component. A device for carrying out the method is also provided.

Abstract: A busbar assembly for an electric motor may include a busbar holder at least a portion of which is made of an electrically insulating material, and at least one busbar mounted on the busbar holder. The busbar may include a base portion extending along a mounting surface of the busbar holder, at least one coil connection terminal portion to be electrically connected to a coil of the electric motor, and a power source connection terminal portion to be electrically connected to a power source. The power source connection terminal portion may extend from the base portion and at least a portion of the base portion may include a resilient member allowing displacement of the power source connection terminal portion towards the busbar holder.

Abstract: A busbar unit for a stator of an electric motor may include a busbar holder at least a portion of which is made of an electrically insulating material and is to be positioned on an axial side of a stator, the busbar holder including a stator surface that is intended to face an axial side of a stator when the busbar holder is positioned on the axial side of the stator as intended, and at least one busbar mounted on the busbar holder. The at least one busbar may include a power source connection terminal to be electrically connected to a power source, and at least one coil connection terminal to be electrically connected to a coil of the stator and protruding beyond the stator surface of the busbar holder.

Abstract: A stator for an electric motor may have a substantially annular shape centered around a central axis and may include a stator core having a plurality of teeth consecutively arranged in a circumferential direction, and a plurality of coils wound around respective teeth of the plurality of teeth. The plurality of coils may be grouped into a plurality of phase groups. The stator may include in association with the respective phase groups: at least one loop wire connecting at least two coils of the respective phase group in series with each other with the at least one loop wire being positioned at a radially inner portion of the stator, and at least two end wires respectively connected to two end coils of the respective phase group. The at least two end wires may be configured to be connected to a power source to energize the coils of the respective phase group.

Abstract: A busbar unit for an electric motor may include a busbar holder at least a portion of which is made of an electrically insulating material, and at least one busbar mounted on the busbar holder. The busbar may include a base portion extending along a mounting surface of the busbar holder, at least one coil connection terminal portion to be electrically connected to a coil of the electric motor, and a power source connection terminal portion to be electrically connected to a power source. The power source connection terminal portion may extend from the base portion and at least a portion of the base portion may include a resilient member allowing displacement of the power source connection terminal portion towards the busbar holder.

Abstract: The invention describes an airbag module (10) for attaching to an instrument panel, comprising an inflator (12), a fastening portion (36) which is arranged so that the airbag module (10) can be attached to the instrument panel via the fastening portion (36), a receiving portion (46) for an airbag as well as a holding portion (57) which serves for holding the inflator (12). The airbag module (10) has a support structure (16) including the fastening portion (36) and a housing (14) made from fabric material. The holding portion (57) is partially configured in a holding area (58) of the housing (14) which is opposed to the fastening portion (36) so that the inflator (12) is fastened from outside and extends at least partially into the receiving portion (46). The support structure (16) comprises at least one supporting portion (18) U-shaped in cross-section which at least partially encompasses the housing (14). In addition, the support structure (16) includes a peripheral frame (66).

Abstract: A conductor connection, a connection piece and a method for fabricating a conductor connection are disclosed. In an embodiment a conductor connection includes a connection piece including one or more openings and a wall whose distance from a longitudinal axis of the connection piece increases toward at least one of the openings, and several electric conductors, wherein each of the electric conductors extends through one of the openings into the connection piece.

Abstract: An armature may include a rotor with a plurality of teeth, at least one insulator covering at least a part the teeth, a plurality of coils wound on the teeth, and a plurality of cavities. Each one of the cavities may be arranged between two of the teeth and may be formed on the at least one insulator. At least one of the cavities may be configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity. The at least one of the plurality of cavities may include a switching wire receptor. The switching wire receptor may include a recess in a wall portion of the at least one of the plurality of cavities for receiving a switching wire. The recess may have a depth larger than the diameter of the switching wire.

Abstract: A ring magnet unit for an electric motor is provided, comprising a circular magnet holder and at least two magnet segments fixed to the magnet holder and arranged in a circumferential direction of the magnet holder, wherein respective one magnet segment has a first surface abutting to a surface of the magnet holder and a second surface which is the opposite surface of the first surface. Both side surfaces of the first surface and the second surface are chamfered in the directions that cross the radial direction of the magnet holder at the same angles. At least one pair of the adjacent two magnet segments comprises one magnet segment whose circumferential length of the first surface is equal to or longer than the circumferential length of the second surface and the other magnet segment whose circumferential length of the first surface is equal to or shorter than the circumferential length of the second surface.

Abstract: A stator for an electric motor may have a substantially annular shape centered around a central axis and may include a stator core having a plurality of teeth consecutively arranged in a circumferential direction, and a plurality of coils wound around respective teeth of the plurality of teeth. The plurality of coils may be grouped into a plurality of phase groups. The stator may include in association with the respective phase groups: at least one loop wire connecting at least two coils of the respective phase group in series with each other with the at least one loop wire being positioned at a radially inner portion of the stator, and at least two end wires respectively connected to two end coils of the respective phase group. The at least two end wires may be configured to be connected to a power source to energize the coils of the respective phase group.

Abstract: The invention describes an airbag module (10) for attaching to an instrument panel, comprising an inflator (12), a fastening portion (36) which is arranged so that the airbag module (10) can be attached to the instrument panel via the fastening portion (36), a receiving portion (46) for an airbag as well as a holding portion (57) which serves for holding the inflator (12). The airbag module (10) has a support structure (16) including the fastening portion (36) and a housing (14) made from fabric material. The holding portion (57) is partially configured in a holding area (58) of the housing (14) which is opposed to the fastening portion (36) so that the inflator (12) is fastened from outside and extends at least partially into the receiving portion (46). The support structure (16) comprises at least one supporting portion (18) U-shaped in cross-section which at least partially encompasses the housing (14). In addition, the support structure (16) includes a peripheral frame (66).

Abstract: A rotor core (100, 110) for an electrical motor with a rotational axis (6) and a central opening (200) to take up a shaft (4) of the electrical motor turning around the rotational axis (6), with the central opening (200) having a peripheral edge (201) with at least one attachment section (242), designed for attachment of the rotor core to the shaft by press fit, and at least one centering section (244), wherein the at least one centering section (244) and the at least one attachment section (242) are placed in different sections of the peripheral edge (201) in the circumferential direction (tangentially).

Abstract: The invention relates to an airbag module (10) for being arranged on an instrument panel (5) comprising a fastening portion (22) provided for being arranged on the instrument panel (5), an inflator (16), an airbag (12), a receiving portion (26) for the airbag (12) extending from the inflator (16) to the fastening portion (22) and a retaining portion (24) which is accessible from outside of the receiving portion (26) and serves for retaining the inflator (16). The invention also relates to a subassembly comprising an instrument panel (5) and an airbag module (10) according to any one of the preceding claims, the fastening portion (22) of the airbag module (10) being connected to the instrument panel (5) and a retainer (28) formed separately from the airbag module (10) being provided which is connected to the retaining portion (24) of the airbag module (10).

Abstract: A system for recycling cooling devices, comprising a system part for catalytically oxidizing the pure hydrocarbon compounds and chlorofluorocarbons which accumulate during the recycling of the cooling devices. According to the invention, this system part comprises two reactors, provided mutually separated in the flow direction of the gases to be treated, a first reactor being used for catalytically oxidizing the pure hydrocarbon compounds while a second reactor is used for catalytically oxidizing chlorofluorocarbons.

Abstract: An electrical machine, particularly a permanent magnet motor, having a number of poles and teeth or tooth groups that is divisible by a whole number A around which coil-forming loops of winding wire are arranged such that B coils are arranged in series, the coils having a number of windings equivalent to C/B where C is a whole number divisor of B and indicates the wire diameter as a quotient of a traditional standard winding, as well as a method to provide a corresponding winding structure.

Abstract: An armature may include a rotor with a plurality of teeth, at least one insulator covering at least a part the teeth, a plurality of coils wound on the teeth, and a plurality of cavities. Each one of the cavities may be arranged between two of the teeth and may be formed on the at least one insulator. At least one of the cavities may be configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity. The at least one of the plurality of cavities may include a switching wire receptor. The switching wire receptor may include a recess in a wall portion of the at least one of the plurality of cavities for receiving a switching wire. The recess may have a depth larger than the diameter of the switching wire.

Abstract: An armature for an electric motor, the armature comprising a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor.

Abstract: The invention relates to an airbag module (10) for being arranged on an instrument panel (5) comprising a fastening portion (22) provided for being arranged on the instrument panel (5), an inflator (16), an airbag (12), a receiving portion (26) for the airbag (12) extending from the inflator (16) to the fastening portion (22) and a retaining portion (24) which is accessible from outside of the receiving portion (26) and serves for retaining the inflator (16). The invention also relates to a subassembly comprising an instrument panel (5) and an airbag module (10) according to any one of the preceding claims, the fastening portion (22) of the airbag module (10) being connected to the instrument panel (5) and a retainer (28) formed separately from the airbag module (10) being provided which is connected to the retaining portion (24) of the airbag module (10).