Patent application number | Description | Published |
20100139476 | VALVE ARRANGEMENT HAVING INDIVIDUAL PRESSURE SCALE AND LOAD-LOWERING VALVE - The invention discloses a valve arrangement for supplying pressure medium to a hydraulic load ( | 06-10-2010 |
20100180761 | HYDRAULIC CONTROL SYSTEM - The invention relates to a hydraulic control arrangement for supplying a pressure medium to at least one consumer. The forward line and/or the return line of the consumer comprises a distributing valve that can be continuously controlled and that has two switch positions, and a lowering brake valve that can be placed in an open position due to the pressure in the supply line. The distributing valve is in an open neutral position and can be displaced, electrically or electrohydraulically, from said neutral position into the direction of the second switch position thereof. | 07-22-2010 |
20120118683 | HYBRID BRAKING SYSTEM FOR AUTOMOBILE WITH IMPROVED BRAKING DISTRIBUTION - A braking system for an automobile including an electromagnetic braking subsystem and an electric or hydraulic subsystem, the electromagnetic braking subsystem including a converter to convert kinetic energy of the vehicle into electrical energy, the converter outputting a generated current, a device storing or dissipating electrical energy regenerated by the electromagnetic braking subsystem, and an electrical actuator to limit the braking power of the electric or hydraulic braking subsystem as a function of the braking power of the electromagnetic braking subsystem, the electrical actuator being electrically controlled by the generated current or by an image signal of the generated current. | 05-17-2012 |
20130076310 | BALANCING SYSTEM FOR POWER BATTERY AND CORRESPONDING LOAD BALANCING METHOD - A charge-balancing system for a power battery includes series accumulator stages, each having accumulator, and flyback converter. The converter has a transformer with a primary configured to be connected to terminals of an accumulator stage of the power battery, and a secondary configured to connect to an auxiliary battery. Each accumulator stage has a switch connected to the primary and to a negative terminal of the accumulator stage. The system also has a monitoring device for monitoring voltage across terminals of the accumulator stages, and a control device for controlling the converter by receiving voltage information from the monitoring device. When an accumulator stage's voltage exceeds that of other accumulator stages, the controller closes the associated switch and transfersg energy from the accumulator stage to the auxiliary battery so as to balance charge of said accumulator stages. | 03-28-2013 |
20130122341 | BATTERY OF ACCUMULATORS OF EASY DESIGN AND ASSEMBLY - A battery comprises electrochemical accumulators of which a subset defines a first stage of electrically parallel-connected accumulators and another subset defines a second stage of electrically parallel-connected accumulators. Each accumulator of the first stage is series-connected to an accumulator of the second stage by a third distinct electrical connector defined by a through-bore. | 05-16-2013 |
20130328392 | BATTERY FOR AN ELECTRIC MOTOR OF A MOTOR VEHICLE - A battery for powering an electrical motor drive of a motor vehicle includes electrochemical accumulators included in an adiabatic enclosure and included in a tightly-sealed enclosure. The tightly-sealed enclosure is air-tight and water-tight, contains the adiabatic enclosure, and has a volume that is external to the adiabatic enclosure and benefits from thermal exchanges with an exterior thereof. The battery also includes a valve that selectively sets up a flow of a heat-transfer fluid between the adiabatic enclosure and the volume. | 12-12-2013 |
20140035531 | Charge balancing system for batteries - A charge balancing system for a power battery includes a number of modules connected in series, each having two accumulator stages, each having an accumulator and isolated parallel converters connected to associated accumulator stages and to a low-voltage power system for supplying auxiliaries of an automobile. The converters have first unidirectional converters, each connected across terminals of a module and to the supply system, and second unidirectional converters each connected to the supply system and across the terminals of the accumulator stages, and a control unit for the first and second unidirectional converters. The control unit is configured for controlling a first converter to bring the modules to a similar charge level, for controlling a energy transfer from the battery to the supply system via the first converters, and for controlling a second converter to bring the associated accumulator stages of a module to a similar charge level. | 02-06-2014 |
20140111013 | ELECTRICAL POWER SUPPLY SYSTEM WITH ALTERABLE CAPACITY - An electrical power supply system has electrical energy storage modules and an interconnection interface. Each module includes connection terminals of opposite polarities and an energy storage element connected between them. The interface includes pairs of input terminals and output terminals for a load's power supply. Each pair of input terminals connects removably to connection terminals of a respective storage module. The interface forms parallel branches between the two output terminals. Each includes a storage element. Each branch includes a rheostat in series with a corresponding storage element of the branch. The interface includes a device for measuring current passing through each of the branches, and a control circuit for controlling resistances of the rheostats of the branches as a function of the measured current so as to maintain a current intensity passing through the rheostats to be below a threshold. | 04-24-2014 |
20140120393 | PRINTED CIRCUIT FOR INTERCONNECTING AND MEASURING BATTERY CELLS IN A BATTERY - A printed-circuit board to be fixed to a battery of accumulators includes a substrate comprising conductive tracks, a circuit for measuring voltage connected to the conductive tracks, and an electric interconnection element formed by a single piece, which is conductive and flexible, the interconnection element having a thickness of 0.3 mm to 1.5 mm. The interconnection element comprises a single portion fixed to the substrate by several force-fittings and electrically connected to one of the conductive tracks, and at least two portions overhanging the fixed portion and mobile relative to the substrate. The overhanging portions are formed at ends of a conductive strip disposed to be overhang the fixed portion. The conductive strip connects to the fixed portion by a junction that is narrower than the conductive strip. | 05-01-2014 |
20140300194 | DC VOLTAGE SOURCE INCLUDING ELECTROCHEMICAL CELLS HAVING AN ADAPTIVE VOLTAGE LEVEL - A DC voltage power source, comprising: first electrochemical cells electrically connected in series; a DC/DC converter, the output of the converter being connected in series with said first electrochemical cells, a secondary DC voltage source applying its potential difference to the input of the converter. | 10-09-2014 |
20140312844 | DEVICE FOR BALANCING THE CHARGE OF THE ELEMENTS OF AN ELECTRICAL POWER BATTERY - A charge-balancing device for balancing charge of an electrical power-storage device that has several series-connected electrical storage elements two DC/DC converters with current limitation, each having an input for receiving a set value of output voltage from the converter, an input to be connected to the terminals of a respective storage element, and an output to be connected to an electric network having a voltage regulated at a level below a voltage at the terminals of the power-storage device, and a control module. The control module is configured to determine respective residual charges of the electrical storage elements connected to the inputs and to apply a higher set value of voltage to the converter connected to an electrical storage elements that has a highest residual charge. | 10-23-2014 |