Abstract: A method for monitoring a charge accumulator (1) with several cells (2, 2a . . . 2n), wherein a parameter of a cell (2, 2a . . . 2n) is measured and transmitted to a central monitoring unit (4) by means of a pulse-width modulated signal. The pulse-width modulated signals emanating from the individual cells (2, 2a . . . 2n) are synchronously transmitted and summed. Furthermore, a cell monitoring unit (3, 3a . . . 3n) according to the invention, a central monitoring unit (4) according to the invention and an accumulator (1) according to the invention are set forth for implementing the method.

Abstract: A voltage converter (1a . . . 1g), in particular a resonant converter for converting an input AC or DC voltage (UE) into an output DC voltage (UA). On the secondary side, a first secondary capacitor (CS1) is arranged between the secondary partial windings (WS1, WS2) of a transformer (TR1); furthermore, a first secondary full-bridge rectifier (GS1) provides the output direct voltage (UA), the inputs of which are connected to a secondary partial winding (WS1, WS2) each of the transformer (TR1), resulting, at the input of the first secondary full-bridge rectifier (GS1), in a series connection including the secondary partial windings (WS1, WS2) and the first secondary capacitor (CS1). Finally, the voltage converter (1a . . .

Abstract: A controller (2) and a method for a DC converter (1), wherein the DC converter (1) comprises an input (E), an output (A), a connection to ground (GND), and also at least two half-bridges with two switching elements each (TR1 . . . TR4) connected in series and an inductance (LI, L2) each connected with the point connecting the two switching elements. In accordance with the invention the controller (2) is equipped to measure the current (IL1, IL2) through the inductances (LI, L2), and controls the switching elements (TR2, TR4)/(TR1, TR2) positions on the ground side/input side always with negative/positive current through the inductance (LI, L2) into an off-state. Finally a DC converter (1) connected with the controller (2) is also specified.

Abstract: Electrical systems for balancing charging or loading of parallel-arrayed charge accumulators (1, 2), particularly batteries, storage batteries, etc. The systems include circuitry used to supply voltage to a load (7) or to electrically charge the accumulators (1, 2), or both, via connections (3a, 3b, 4a, 4b) at the charge accumulator side and interface connections at the load or charger side. An electrical circuit (10) has at least one DC converter (11) that converts the differential voltage between the matching polarity connections (3a, 4a) at the charge accumulator side, or converts a voltage derived from this differential voltage. Voltage supply devices for loads, or charging devices for charge accumulators, may include circuits of this type.

Abstract: A method for making a disposable absorbent core comprises depositing absorbent particulate polymer material from a plurality of reservoirs in a printing roll onto a substrate disposed on a grid of a support which includes a plurality of cross bars extending substantially parallel to and spaced from one another so as to form channels extending between the plurality of cross bars. The plurality of reservoirs in the first peripheral surface are arranged in an array comprising rows extending substantially parallel to and spaced from one another. A disposable absorbent article and apparatus for making an absorbent article are also disclosed.

Abstract: A terminal (3a . . . 3h) for the electrical connection of a plurality of electrochemical cells (2) of an accumulator, which terminal comprises a U-shaped outer rail (4a . . . 4f) and an actuating element (5a . . . 5g), is described. According to the invention, the actuating element (5a . . . 5g) is coupled to a clamping element (6a . . . 6f . . . 6h) in such a way that the clamping element (6a . . . 6f . . . 6h) is pressed against at least one limb (4a? . . . 4f?) of the outer rail (4a . . . 4f) on actuation of the actuating element (5a . . . 5g).

Abstract: A control device for a separately excited rotor winding (LR) of a synchronous machine is described, which comprises a voltage source (2) connected to the rotor winding (LR) and intended for transmitting electrical energy (E) from a power supply (4) to the rotor winding (LR), in such a way that said rotor winding is caused to rotate by a rotating field on the stator side. According to the invention, the control device furthermore comprises a consumer (3) connected to the rotor winding (LR) and intended for transmitting electrical energy (E) from the rotor winding (LR) to the power supply (4). Furthermore, a method for controlling a separately excited rotor winding (LR) of a synchronous machine is described.

Abstract: A method for making a disposable absorbent core comprises depositing absorbent particulate polymer material from a plurality of reservoirs in a printing roll onto a substrate disposed on a grid of a support which includes a plurality of cross bars extending substantially parallel to and spaced from one another so as to form channels extending between the plurality of cross bars. The plurality of reservoirs in the first peripheral surface are arranged in an array comprising rows extending substantially parallel to and spaced from one another. The support and printing roll are arranged such that the plurality of cross bars are substantially parallel to the rows of the plurality of reservoirs and the absorbent particulate polymer material is deposited on the substrate in a pattern such that the absorbent particulate polymer material collects in rows on the first substrate formed between the first plurality of cross bars.

Abstract: The zero-voltage converter is able to perform at extremely high power levels and bares significant benefits to all levels; system, inverter and circuitry level. Power losses are avoided by using a new developed resonant topology. EMI problems are reduced by power module integrated capacitors as well as smart selection of the terminal technology and under full utilization of the analog components and their potentials. The power module developed for this specific application is designed under a maxim of gaining highest power density as well as lowest stray inductances. High switching frequencies enable even special electro motors with extremely low leakage inductance to perform well. This is in particular beneficial for ultra high speed drives or motors with a high pole pair number. The mechanical concept of the inverter can specifically be adopted to the referring vehicle and to its available installation space. Thus, also (hybrid) electrical vehicles can be designed based on such highly innovative conception.

Abstract: A circuit arrangement (1) for power distribution in a motor vehicle is described, which comprises a transformer (T1, T1a . . . T1n) having at least three transformer windings (W1, W1a . . . W1n, W2, W2a . . . W2n, W3, W3a . . . W3n). A first and second onboard supply inside the vehicle and a power supply which is outside the vehicle can be connected to the circuit arrangement (1), which supplies are coupled via the transformer windings (W1, W1a . . . W1n, W2, W2a . . . W2n, W3, W3a . . . W3n) and converters (UR1, UR2, UR2a . . . UR2n, UR3, UR3a . . . UR3n). The third converter (UR3, UR3a . . . UR3n) can be connected via a first change-over switch (US1, US1?) alternatively to the first on-board supply inside the vehicle or to the power supply outside the vehicle. A plurality of first converters (UR 1) and/or a plurality of second converters (UR2, UR2a . . . UR2n) and/or a plurality of third converters (UR3, UR3a . . . UR3n) each being connected to the transformer windings (W1, W1a . . . W1n, W2, W2a . . .

Abstract: A substantially cellulose free absorbent core comprising absorbent polymer material having a saline flow conductivity greater than about 100×10?7 cm3•sec/g and a centrifuge retention capacity of greater than about 20 g/g. A disposable absorbent article is also disclosed.

Abstract: A Converter (1a.1c) for single-phase and three-phase Operation which comprises a three-phase rectifier to which three coils (La, Lb, Lc) are connected on the mains side is described. A first coil (La) is provided on the mains side with a switch (S) which connects the first coil (La) to the mains during three-phase Operation and connects it via a capacitor (C) either to the lower end (FP) of the rectifier or on the mains side to another coil (Lb, Lc) during single-phase Operation. In addition, a d.c. voltage supply and a battery charger (5a.5c) which comprise the Converter (1a.1c) according to the invention are described.

Abstract: A substantially cellulose free absorbent core comprising absorbent polymer material having a saline flow conductivity greater than about 100×10?7 cm3·sec/g and a centrifuge retention capacity of greater than about 20 g/g. A disposable absorbent article is also disclosed.

Abstract: A DC/DC converter (1) having a plurality n of two-pole inverters (2a, 2b) connected in parallel or in series, n transformers (Ta, Tb) and n two-pole rectifiers (3a, 3b) connected in parallel or in series is described. One inverter (2a, 2b) each and one rectifier (3a, 3b) each are connected to a transformer (Ta, Tb). The inverters (2a, 2b, 2a?, 2b?) are in turn connected to a control which is provided for frequency-synchronous actuation of the inverters (2a, 2b, 2a?, 2b?) with a 180°/n phase shift. According to the invention, leakage inductances (LS1, LS2) of the transformers (Ta, Tb, Ta?, Tb?), together with capacitors (C1, C2) of the inverters (2a, 2b , 2a?, 2b?) and/or capacitors (C3, C4) of the rectifiers (3a, 3b, 3a?, 3b?), form in each case a resonating circuit whose resonant frequency is substantially twice as great as a clock frequency of the control signal.

Abstract: A shipping optimization process for articles having a substantially airfelt free absorbent core is provided. The process includes the steps of identifying an optimized diaper; identifying an optimized bag for holding two or more optimized diapers; identifying an optimized box for holding two or more optimized bags; identifying an optimized pallet and arranging the optimized boxes thereon; and identifying an optimized load plan for a vehicle and arranging the optimized pallets therein. The vehicle has a calculated Load Factor of from about 0.7 to about 1.0 when the vehicle is loaded with the optimized pallets.

Abstract: Cooling systems (1) suitable for cooling an electronic unit (2) or assembly. The cooling system is provided with a cooling channel (6). An electronic unit (2) rests over a heat-conducting cooler wall (7). A coolant guide apparatus (11) is provided in the cooling channel (6) and has insert conduit elements (13) for guiding the coolant onto the cooler wall indentations (12). The end of each insert conduit (13) opening to the cooling channel (6) may be provided with an inclined entry surface (19) and an inlet opening (20) towards the inner longitudinal channel (14). A plurality of such coolant guides (11) may be arranged in series so that, for example, the same cooling medium flows through a plurality of semiconductor modules in succession.

Abstract: An absorbent product is provided. The absorbent product includes a package having an interior space and an exterior surface; and a plurality of disposable absorbent articles disposed within the interior space of the package. Each of the disposable absorbent articles has a topsheet; a backsheet; a substantially cellulose free absorbent core located between the topsheet and the backsheet; a first waist region; a second waist region; a crotch region extending longitudinally between the first and second waist regions; and a fastening member extending laterally outward from the second waist region and adapted to releasably connect with a landing zone located in the first waist region. The absorbent product exhibits an In-Bag Stack Height of less about 80 mm as measured according to an In-Bag Stack Height Test.

Abstract: A disposable absorbent core comprises first and second absorbent layers each comprising an absorbent particulate polymer material such that the absorbent particulate polymer material is substantially continuously distributed across an absorbent particulate polymer material area. A disposable absorbent article and method for making the absorbent core are also disclosed.

Abstract: The zero-voltage converter is able to perform at extremely high power levels and bares significant benefits to all levels; system, inverter and circuitry level. Power losses are avoided by using a new developed resonant topology. EMI problems are reduced by power module integrated capacitors as well as smart selection of the terminal technology and under full utilization of the analog components and their potentials. The power module developed for this specific application is designed under a maxim of gaining highest power density as well as lowest stray inductances. High switching frequencies enable even special electro motors with extremely low leakage inductance to perform well. This is in particular beneficial for ultra high speed drives or motors with a high pole pair number. The mechanical concept of the inverter can specifically be adopted to the referring vehicle and to its available installation space. Thus, also (hybrid) electrical vehicles can be designed based on such highly innovative conception.

Abstract: A DC/DC converter (1) having a plurality n of two-pole inverters (2a, 2b) connected in parallel or in series, n transformers (Ta, Tb) and n two-pole rectifiers (3a, 3b) connected in parallel or in series is described. One inverter (2a, 2b) each and one rectifier (3a, 3b) each are connected to a transformer (Ta, Tb). The inverters (2a, 2b, 2a?, 2b?) are in turn connected to a control which is provided for frequency-synchronous actuation of the inverters (2a, 2b, 2a?, 2b?) with a 180°/n phase shift. According to the invention, leakage inductances (LS1, LS2) of the transformers (Ta, Tb, Ta?, Tb?), together with capacitors (C1, C2) of the inverters (2a, 2b , 2a?, 2b?) and/or capacitors (C3, C4) of the rectifiers (3a, 3b, 3a?, 3b?), form in each case a resonating circuit whose resonant frequency is substantially twice as great as a clock frequency of the control signal.