Abstract: A seat frame device, in particular a seat frame device for means of transportation, having at least two frame parts which are connected by way of at least one glued joint, wherein at least one of the frame parts is at least part of a seat divider and/or set leg, having at least one adhesive surface.

Abstract: For forwarding operation data related to the present operation of a plurality of inverter units which feed electric power from power generators into a power grid to a monitoring unit, the inverter units and a plurality of intermediate data handling units are connected to the central monitoring unit in a communication network of logical tree architecture. The tree architecture branches towards the inverter units, and several inverter units are connected to each intermediate unit. The operation data from each inverter unit are forwarded to that intermediate unit to which the inverter unit is connected; and, in each intermediate unit connected between the inverter units from which the operation data are forwarded and the monitoring unit, operation data of the same type forwarded from the inverter units connected to the intermediate unit are merged to reduce their data volume, and only the merged operation data are forwarded towards the monitoring unit.

Abstract: A friction coupling assembly includes: an actuator in the form of a ball ramp assembly, a plate package, and a ball bearing. The actuator has two coaxial discs, wherein the faces of the two discs each have ball grooves of increasing depth. Pairs of opposed ball grooves hold balls to axially support the two discs. The plate package is arranged coaxially relative to the discs and has outer plates for fixing to a coupling carrier and inner plates for fixing to a coupling hub. The ball bearing is for axially supporting the at least one rotatingly drivable disc, wherein a first bearing race of the ball bearing is integrally formed with the at least one rotatingly drivable disc.

Abstract: A smoke alarm is described which comprises a base element (105) with a flat mounting surface, a light transmitter (111) that is attached to the mounting surface and that is configured to issue an illuminating light (111a), and a light receiver (112) that is attached to the mounting surface next to the light transmitter (111) and that is configured to receive a measurement light (112a) which results from a back-scattering of the illumination light (111a) at a measurement object located in a detection space (115). The smoke alarm further comprises a data processing device (135) that is coupled to an output of the light receiver (112) and that is configured to evaluate temporal changes of an output signal issued by the light receiver (112). Also, a method for checking the functional capability of the described smoke alarm (100) is provided.

Abstract: A device for detecting smoke based on the principle of optical scattered light measurements has a light emitting device, configured to issue a temporal succession of light pulses. A first light pulse has a first spectral distribution and a second light pulse has a second spectral distribution that is different from the first spectral distribution. A light receiver receives a first scattered light from the first light pulse and a second scattered light from the second light pulse, and generates a first output signal that is indicative for the first scattered light, and a second output signals that is indicative for the second scattered light. An evaluation unit compares the first output signal with the second output signal. In a preferred embodiment of the device, the light emitter and the light receiver are arranged directly next to one another.

Abstract: The invention relates to a valve cartridge for a solenoid valve, having a capsule, a magnetic armature that is movably guided within the capsule, a valve insert that is inserted into the capsule at a first end, and a valve body, which is pressed into a second end of the valve insert and has a main valve seat. The magnetic armature, moved by a generated magnetic force, moves a tappet guided within the valve insert. The tappet has a closing element with a sealing element which plunges into the main valve seat of the valve body in a sealing manner for carrying out a sealing function, and an associated solenoid valve. According to the invention the valve insert is configured as a one-part slotted bushing, and the valve body is configured as a bonnet-shaped bushing. The valve body configured as a bushing is pressed into a second end of the valve insert configured as a slotted bushing such that the main valve seat is disposed within the valve insert.

Abstract: A flashlight for alarm systems includes a light source containing at least one light emitting diode and a circuit which controls said light source. The circuit has a feed supply, a current converter, and flash control device. The current converter, the light source, and the flash control device are connected in series. The current converter includes a control unit, an inductor, an induction stop, and a resistor which are connected in series. The flash control device includes at least one switch for actuating the light source and a microprocessor for controlling the at least one switch.

Abstract: A fire detector has at least two sensor units for monitoring a confined space for the occurrence of a fire. A first fire parameter is monitored according to the scattered light method, using a first sensor unit located at or in the vicinity of the ceiling. At least one second sensor unit of the fire detector, which emits at least two highly focused light beams towards the floor of the confined space, monitors a second fire parameter according to the extinction method.

Abstract: A method for differentiating between a fire and the manipulation of a fire detector. The fire detector has at least two sensor units, each of which contains a light source and a light collector. A cover plate is formed with at least two light exit and entry windows. The device is used to monitor at least one fire parameter in the area surrounding the fire detector according to a scattered light method. The respective light entry and exit windows on the cover plate are connected to an optical fiber element in such a way that light from the light source of one sensor unit is guided to and captured by the light collector of the other sensor unit.

Abstract: An axial setting device includes two discs which are centered on a common axis. One is axially supported and the other one is axially displaceable, and at least one is rotatingly drivable. The two discs on their end faces, each have a plurality of circumferential ball grooves. The ball grooves each comprise a depth which decreases in the same direction, and each pair of opposed ball grooves accommodates a ball. At least the ball grooves of one of the two discs, starting from the region of the greatest groove depth, comprise a first groove portion with a greater pitch and an adjoining second groove portion with a smaller pitch, wherein the first groove portion extends over a smaller circular-arch-shaped portion than the second groove portion.

Abstract: A friction coupling assembly includes: an actuator in the form of a ball ramp assembly, a plate package, and a ball bearing. The actuator has two coaxial discs, wherein the faces of the two discs each have ball grooves of increasing depth. Pairs of opposed ball grooves hold balls to axially support the two discs. The plate package is arranged coaxially relative to the discs and has outer plates for fixing to a coupling carrier and inner plates for fixing to a coupling hub. The ball bearing is for axially supporting the at least one rotatingly drivable disc, wherein a first bearing race of the ball bearing is integrally formed with the at least one rotatingly drivable disc.

Abstract: A friction coupling assembly includes: a ball ramp assembly (2) with two coaxial discs (6, 7), wherein the faces (8, 9) of the two discs (6, 7) each have ball grooves (12, 13) of increasing depth, wherein pairs of opposed ball grooves hold balls to axially support the two discs (6, 7); a plate package (3) arranged coaxially relative to the discs (6, 7) and having outer plates (24) for fixing to a coupling carrier (40) and inner plates (25) for fixing to a coupling hub (56); and a plate spring (5) for introducing force into the plate package (3), the plate spring (5) is arranged coaxially relative to the discs (6, 7), is axially pretensioned and, functionally, is arranged in series with the plate package (3).

Abstract: An assembly for measuring force at a friction coupling, more particularly in the driveline of a motor vehicle. The assembly includes an outer plate carrier (6) at which outer plates (7) are held so as to be rotationally secured and in a way so as to be axially displaceable, wherein at least one of the outer plates (7) comprises an outer cam (12); an inner plate carrier (8) at which inner plates (9) are held in a rotationally fast way and in a way so as to be axially displaceable; wherein the outer plates (7) and the inner plates (9) are arranged so as to alternate in the axial direction, while jointly forming a plate package (10); a force measuring device arranged in such a way that, upon actuation of the friction coupling (3), it is loaded by the cam (12) in an operating direction extending at a distance from, and transversely to, the longitudinal axis (A).

Abstract: A coupling apparatus for facilitating communications of data signals over a low voltage electric power network is provided. In one embodiment, the apparatus includes a mains terminal configured to be connected to a low voltage electric power network carrying alternating current (AC) power and an appliance terminal configured to receive a male electric plug. The two terminals may be housed in a housing and connected via one or more inductive elements that attenuate high frequencies while allowing the AC power to pass through substantially unimpeded. Thus, interference caused by an appliance connected to the appliance terminal is filtered to prevent such interference from being conducted onto the low voltage electric power network. The apparatus also may include a third terminal that in some embodiments is electrically connected to the mains terminal to thereby output the data signals and AC power.

Abstract: A micro-air motor comprises a collector rotatably mounted in a casing for the compressed air supply and discharge to or from the rotor. By twisting the collector as far the end positions a direction of rotation reversal as well as continuous speed regulation is possible. In a neutral position of the collector the rotor can be additionally stopped and locked.

Abstract: A drive module (5, 6) for a variable torque distribution in the driveline of a motor vehicle. The drive module (5, 6) has a first shaft (19) rotatably supported relative to a stationary housing (18); a second shaft (22) which is drivingly connected to the first shaft (19); and a transmission stage (25) arranged in the torque flow between the first and second shafts (19, 22). The transmission stage (25) has at least one planetary gear (27) and a rotating carrier element (32). A coupling (37) serves to couple the carrier element (32) relative to the housing (18). When coupled, torque transmission occurs from one of the first or second shaft (19, 22), to the other one of the two shafts. The housing (18), the first shaft (19), the second shaft (22), the transmission stage (25) and the coupling (37) form part of a unit adapted to attach to a drive (3).

Abstract: A method for differentiating between a fire and the manipulation of a fire detector. The fire detector has at least two sensor units, each of which contains a light source and a light collector. A cover plate is formed with at least two light exit and entry windows. The device is used to monitor at least one fire parameter in the area surrounding the fire detector according to a scattered light method. The respective light entry and exit windows on the cover plate are connected to an optical fiber element in such a way that light from the light source of one sensor unit is guided to and captured by the light collector of the other sensor unit.

Abstract: The invention relates to a compressed air motor comprising a housing and a rotor rotatably mounted therein, the rotor being provided with substantially radial slots and plate-like vanes being mounted in the slots so as to be radially displaceable by the centrifugal force, and variable, all-round air chambers being formed between the housing and the outside of the rotor. The vanes are surrounded on the outside by a rotatable sleeve which is provided with at least one passage for the compressed air.

Abstract: The invention relates to an axially adjusting device for actuating a multiple disk clutch in the drive train of a motor vehicle. Said adjusting device comprises a housing (4) with a longitudinal axis (A) and a ball ramp arrangement (1) having a support disk (17) that is axially and radially supported in the housing (4) and an axially displaceable adjusting disk (16). The supporting disk (17) is secured against rotation in the housing (4) and, in a first lateral face (23), has first ball tracks (24) of varying depth in the peripheral direction. The adjusting disk (16) can be rotatingly driven and, in a second lateral face (25) opposite the first lateral face (23), has second ball tracks (26) of varying depth in the peripheral direction. The ball tracks (24, 26) define one pair each with opposed slopes and receive one ball (27) each. The adjusting disk (16) is axially supported on the multiple disk clutch (2) and axially and radially mounted by means of the balls (27) retained in the ball tracks (24, 26).

Abstract: A coupling apparatus (1) having a mains connection (2) for connection to a low-voltage mains power supply system, and having an appliance connection (3) for connection of any appliance for transmitting and/or receiving an RF signal has a voltage converter (5) and a high-pass filter (6.1, 6.2). The voltage converter converts the mains voltage which is present at the mains connection to a very-low voltage, which is suitable for supplying the appliance connected to the appliance connection. Inductances (4.3 to 4.6) of suitable size are interposed in the appropriate connecting lines as low-pass filters for decoupling the RF signal path from the supply signal path, and for suppressing undesirable, radio-frequency signal components in the supply voltages. RF signals which are transmitted or are to be transmitted via the low-voltage mains power supply system are coupled from the mains connection via the high-pass filter to the appliance connection, and from the appliance connection to the mains connection.