| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 307100600 | Ignition or starter circuits | 43 |
| 20090033150 | APPARATUS AND METHOD FOR STARTING ENGINE OF AUTOMOBILE USING START-BUTTON - Provided are an apparatus and a method for starting an engine of an automobile using a start-button without a normal car key. In the apparatus and method, it is determined whether plural signals including the start-button are on. A key FOB is requested to transmit its ID, the ID is received from the key FOB, and authentication is performed on the key FOB using the received ID when the signals are on. Power is provided to a starting motor and a driving signal is applied to a motor driver to drive a motor when the key FOB passes authentication. A shaft is driven according to the operation of the motor to operate a steering column and the starting motor is driven to start the engine. A safety member is inserted into a first hole of the shaft to block the shaft from moving and rotating when the engine is started. | 02-05-2009 |
| 20090079262 | Start-up control device for electric vehicle - The high voltage circuit is switched between a conductive state and a disconnected state by a main relay. When an electric vehicle start switch is operated by the driver, a signal from an accelerator pedal sensor is transmitted to a electric vehicle control unit (EVCU) serving as motor controlling means, and when an accelerator is operated after the high voltage circuit has been switched to the disconnected state by the main relay, a notification indicating that the drive motor is not drivable is issued to the driver through a speaker serving as vehicle condition notifying means. | 03-26-2009 |
| 20090108674 | Power Supply Control Device and Method of Detecting Abnormality of Relay - When an ignition key is turn ON, an ECU drives a bidirectional DC/DC converter to charge a capacitor to a voltage Vth | 04-30-2009 |
| 20090134700 | POWER SUPPLY SYSTEM WITH MULTIPHASE MOTOR AND MULTIPHASE INVERTER - In a power supply system, a controller is electrically connected with a plurality of switching elements of a multiphase inverter. The controller switches the plurality of switching elements on and off during a multiphase motor being activated. This converts a voltage of a first power storage device into a multiphase AC voltage so as to supply the multiphase AC voltage to the multiphase motor. This also boosts a voltage of a second power storage device to charge the first power storage device by the boosted voltage via multiphase windings of the motor. The controller switches the plurality of switching elements on and off during the multiphase motor being inactivated to thereby boost the voltage of the second power storage device to charge the first power storage device by the boosted voltage. | 05-28-2009 |
| 20090315394 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position, and between non-current-carrying terminals when the switch is in the “on” position, remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 12-24-2009 |
| 20100078994 | Engine starting device - An engine starting device includes an ignition switch configured to cause turning-on and off of a main power source line connecting a power source for a vehicle and an engine control unit (ECU). The ignition switch includes a stationary contact and a movable contact that is rotatable relative to the stationary contact. The stationary contact includes a main contact configured to be connected to a power source input section of the ECU and a starter contact configured to be connected to a starter. The engine starting device also includes a relay provided on a sub power source line that is connected in parallel to the main power source line, the relay connecting the power source of the vehicle and a sub power source input section of the ECU, the relay being excited by the start of the ECU and providing electric continuity between the power source and the ECU. | 04-01-2010 |
| 20100090526 | ENGINE STARTING APPARATUS - The engine starting apparatus operates on battery voltage when the battery voltage is higher than a predetermined voltage to control starting of an engine of a vehicle. The engine starting apparatus includes a relay control section configured to output a drive signal individually to first and second relays of a starter of the vehicle engine to drive the first and second relays when predetermined engine start conditions are satisfied, the starter being configured to operate when the first and second relays are driven, and an inter-relay switch configured to make electrical connection between the first and second relays when the first relay is applied with the battery voltage, the second relay being applied with the battery voltage when the electrical connection is made. The first relay is configured to be applied with the battery voltage when a manual start switch is operated. | 04-15-2010 |
| 20110266865 | ELECTRIC POWER CONTROLLER FOR VEHICLE WITH STOP START SYSTEM - An electric power controller for a vehicle with stop-start system is provided to prevent electric energy from being decreased in a power capacitor when an engine is in an idle-stop state. The engine is in the idle-stop state by idle-stop control means, the transfer of the electric energy between the power capacitor and a vehicle-mounted battery is stopped by power control means connected between the power capacitor and the vehicle-mounted battery. | 11-03-2011 |
| 20110298276 | STARTER DRIVING SEMICONDUCTOR SWITCH APPARATUS - A starter driving semiconductor switch apparatus energizes and de-energizes a starter according to a command from an outside. A series circuit to which semiconductor switches are connected in series is provided between a battery serving as a power supply and the starter. The starter is energized by bringing all the semiconductor switches into conduction. A voltage or a current at a predetermined point in the series circuit is monitored to make a self-diagnosis on whether the starter is allowed to start and whether there is a failure in the semiconductor switches according to a monitor output. The starter driving semiconductor switch apparatus is thus expected to have a longer useful life by energizing the starter not by using mechanical contacts but by using semiconductor switches. | 12-08-2011 |
| 20110298277 | METHOD FOR SECURING THE OPERATION OF A VOLTAGE-HOLDING DEVICE FOR A VEHICLE - The invention relates to a method for securing the operation of a voltage-holding device (DMT) used for starting or restarting the heat engine of a vehicle, said device being electrically connected by a multiplex network ( | 12-08-2011 |
| 20110309675 | ELECTRICAL SUPPLY AND STARTING SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR OPERATING THE ELECTRICAL SUPPLY AND STARTING SYSTEM - An electrical supply and starting system for a motor vehicle has a variable-voltage on-board electrical system that can be operated by two different DC voltages for supplying the motor vehicle, and having a motor/generator system that operates as a generator to deliver electrical energy to the on-board electrical system of the motor vehicle, and operates for starting an internal combustion engine of the motor vehicle. | 12-22-2011 |
| 20120032506 | METHOD AND APPARATUS FOR STARTING AN INTERNAL COMBUSTION ENGINE - A starting system for an internal combustion engine includes a starter motor configured to transfer torque to the engine during an engine starting event, a low-voltage power bus including a first bus segment and a second bus segment, a controllable isolation circuit including a first state wherein the first and second bus segments are electrically coupled and a second state wherein the first and second bus segments are electrically isolated, a low-voltage battery and the starter motor electrically coupled to the first bus segment, an accessory power module and a power supply for a control module electrically coupled to the second bus segment; and the control module configured to control the isolation circuit to the second state to electrically isolate the first bus segment from the second bus segment during the engine starting event. | 02-09-2012 |
| 20120267950 | ENGINE START CONTROL APPARATUS - The accuracy of measuring the temperature of a semiconductor element is improved, while a method for measuring the temperature using a general-purpose semiconductor element is provided at low cost. A fourth conductor that is a part of a first conductor connected to a power semiconductor element and is a thin line pattern extends under a chip thermometer. The fourth conductor and the thermometer are connected to each other through high thermal conductive resin. | 10-25-2012 |
| 20120306268 | Battery System for Micro-Hybrid Vehicles comprising High-Efficiency Consumers - A battery system for a motor vehicle is disclosed. The battery system includes an internal combustion engine, said battery system comprising at least one starting circuit, a low-voltage on-board supply system, and an on-board supply system with an increased voltage. The starting circuit has a starter battery and a starter that is connected, or can be connected, to the starter battery, said starter being used to start the internal combustion engine on a starter signal. The low-voltage on-board supply system has an on-board supply system battery used to produce a first voltage and to transmit same to the low-voltage on-board supply system, and at least one electrical consumer . The on-board supply system with increased voltage has at least one electric generator that can be operated by the internal combustion engine and is used to produce a second voltage higher than the first voltage and to transmit said second voltage to the on-board supply system with increased voltage. The on-board supply system with increased voltage is connected to the low-voltage on-board supply system by means of a first coupling unit used to draw electrical energy from the on-board supply system with increased voltage and to supply said energy to the low-voltage on-board supply system. The low-voltage supply system is connected to the starter circuit by means of a second coupling unit used to draw electrical energy from the low-voltage on-board supply system and to supply said energy to the starter circuit. A motor vehicle comprising a corresponding battery system is also disclosed. | 12-06-2012 |
| 20130026829 | Driving an Electronic Switch - An electronic circuit includes an electronic switch with a control terminal and a load path between a first and a second load terminal, and a drive circuit with an output terminal coupled to the control terminal of the electronic switch. The drive circuit includes a first input terminal and a second input terminal, a first drive unit coupled between the first input terminal and the output terminal and including a charge pump and drive unit, and a second drive unit coupled between the second input terminal and the output terminal and including a further electronic switch coupled between the output terminal and a terminal for a reference potential. | 01-31-2013 |
| 20130033102 | EMBEDDED BATTERY MANAGEMENT SYSTEM AND METHODS - A battery with an embedded battery management system is disclosed. The battery management system facilitates various advantages including monitoring the operational characteristics of individual battery cells, performing passive and/or active cell balancing, calculating the remaining life of the battery, and providing a warning if the battery is near the end of its life. The embedded battery management system also facilitates making battery parameters available externally, interfacing with smart charging systems, and enabling the battery management system to control the smart charging system, for example by making desired charge requests. The embedded battery management system includes non-volatile memory that stores algorithms for implementing different functions of the battery management system. | 02-07-2013 |
| 20130057065 | ENGINE CONTROL UNIT FOR DRIVING AN ELECTRIC CIRCUIT AND METHOD - An engine control unit for driving an electric circuit, e.g., a starter in a vehicle, includes at least a first element for making a first signal, particularly an ignition signal, available, a second element for making a voltage available for the electric circuit, a third element for connecting the electric circuit, a first switch which is disposed between the second and third elements to control the electric, circuit, and a fourth elements for generating a second signal, the first signal cooperating with the second signal to form a virtual second switch for turning the electric circuit on or off with the aid of the first switch. | 03-07-2013 |
| 20130062941 | ELECTRICALLY POWERED VEHICLE AND METHOD FOR CONTROLLING SAME - The SOC of a power storage device provided in an electrically powered vehicle is controlled not to fall out of a SOC control range. When a SOC estimate value reaches a control lower limit value during vehicle traveling, a power generating structure provided in the vehicle starts to charge the power storage device. In the case of low temperature and/or deterioration of the power storage device, i.e., in the case where decrease of performance of the power storage device is concerned, the control lower limit value is increased as compared with that in a normal state. As a result, decrease of driveability and decrease of startability of an engine in the hybrid vehicle, both otherwise caused by insufficient output electric power from the power storage device, can be avoided. | 03-14-2013 |
| 20130106181 | METHOD AND SYSTEM FOR SATELITE CONNECTION INTERRUPTION PREVENTION | 05-02-2013 |
| 20130162033 | POWER-SUPPLY DEVICE - A power-supply device has a DC power supply, a load, a booster circuit disposed between the DC power supply and the load, wherein the booster circuit supplies a voltage at the DC power supply to the load while boosting the voltage, a bypass element disposed between the DC power supply and the load, wherein the bypass element constitutes a bypass path with respect to the booster circuit, a controller that controls an operation of the booster circuit, a first switching element that drives the bypass element in a first driving path, and a second switching element that drives the bypass element in a second driving path. | 06-27-2013 |
| 20130181515 | Vehicle Power Supply System, Engine Control Unit, and Power Supply Method - A engine control unit comprises: a three-phase bridge circuit that has a first end connected to the first end of the first load and a second end connected to a ground, the three-phase bridge circuit performing commutation control on an alternating-current power supplied from the motor generator or driving the motor generator; a DC-DC converter connected between the first end of the three-phase bridge circuit and a second end of the control switch; a diode that has an anode connected to the battery connecting terminal and a cathode connected to the second end of the control switch; a voltage detecting circuit that detects a voltage of the battery connecting terminal; a first switch element connected between a second end of the coil and the ground; a second switch element connected between a second end of the first load and the ground; and a control circuit. | 07-18-2013 |
| 20130200698 | ELECTRONIC CONTROL DEVICE - An internal power circuit lowers a battery voltage supplied always from an external side to generate a standby power voltage. A timer continues to measure an elapse of time in a standby state, after a main relay is turned off and supply of a power voltage is interrupted. A measured time data of the timer is saved to a save register during a time measurement operation of the timer. When a stop condition for stopping the time measurement operation of the timer is satisfied, a control circuit stops the operation of the internal power circuit. When the main relay is turned on, the internal power circuit is activated to start its operation again by the control circuit so that the measured time data saved to the save register is restored to the timer. | 08-08-2013 |
| 20130200699 | POWER-SUPPLY DEVICE - The present invention provides a power-supply device, which can continuously supply a voltage from a power supply to a load even if a breakdown of a circuit is generated. The power-supply device includes a booster circuit, a normally-closed bypass relay, a CPU, and a switching circuit. A first switch of the switching circuit is turned on by a switching signal from the CPU, and a second switch is turned on by a boosting request signal from a boosting request signal generator. In the case that one of or both the switching signal and the boosting request signal are not input to the switching circuit | 08-08-2013 |
| 20130207463 | Device for Stabilizing a Supply Voltage in a Motor Vehicle | 08-15-2013 |
| 20130214595 | DEVICE FOR VOLTAGE STABILIZATION IN A MOTOR VEHICLE - A voltage stabilization device is proposed for use in a motor vehicle. The voltage stabilization device comprises a first terminal for connecting the device with an energy source, in particular to a vehicle battery; a second terminal for connecting the device having a starting device of a motor vehicle; a current limiter module for limiting a starting current; a control unit for controlling the current limiting module, and at a starting operation detector coupled with the control unit for detecting a starting operation, wherein the current limiting module carries out a starter current limiting action on the basis of a start signal of the process startup detector. | 08-22-2013 |
| 20130249285 | VOLTAGE CONTROL IN A VEHICLE ELECTRICAL SYSTEM - A method for maintaining a predetermined voltage in a battery-supported vehicle electrical system during the operation of an electrical starter includes steps of operating the electrical starter on the vehicle electrical system during a first time phase in series with a limiting resistor, in order to limit the current flowing through the starter, and operating the electrical starter on the vehicle electrical system during a second time phase with a reduced limiting resistance, in order to increase a power converted by the starter. A transition from the first time phase to the second time phase is controlled on the basis of electrical parameters sampled during the first time phase at the limiting resistor. | 09-26-2013 |
| 20130264869 | MOTOR VEHICLE ELECTRICAL SYSTEM AND METHOD FOR OPERATING A MOTOR VEHICLE ELECTRICAL SYSTEM - A motor vehicle electrical system having a starter and a first energy store, which are arranged in a first region of the motor vehicle electrical system, and a generator and a second energy store, which are arranged in a second region of the motor vehicle electrical system, wherein, a switching element is arranged between the first and the second region of the motor vehicle electrical system, wherein the switching element has at least two switching states, wherein, in a first switching state, a current can flow only from the first region toward the second region and, in a second switching state, the first and second region have a through-connection to one another, wherein the second energy store is connected to the generator via a DC/DC converter, wherein, via a second switching element, the starter is connected directly to the second energy store. | 10-10-2013 |
| 20140183943 | Mobile Vehicle or Equipment Electrical Circuit Disabler - This invention is a way to disable a electrical circuit in a mobile vehicle or equipment. This invention works in conjunction with our previous Patent, EMERGENCY SHUTOFF SYSTEM FOR POWER MACHINERY, WIRELESS MONITORING SYSTEMS, AND EMERGENCY SHUTOFF METHODS. U.S. Pat. No. 7,012,519 | 07-03-2014 |
| 20140306523 | APPARATUS AND METHOD FOR VEHICLE VOLTAGE STABILIZATION - Method for voltage stabilization during an engine starting event of a vehicle includes receiving, at a switch device module, an active Start_ON signal from a starter solenoid module indicating initiation of the engine starting event. At the switch device module, an auxiliary electrical energy storage device (ESD) is electrically coupled to one or more auxiliary loads within a predetermined delay since the active Start_ON signal was received. A primary ESD and a starter motor are electrically decoupled from the one or more auxiliary loads only after the auxiliary ESD has been electrically coupled to the one or more auxiliary loads. In response to a predetermined condition occurring while the primary ESD and the starter motor are electrically decoupled from the one or more auxiliary loads, the primary ESD and the starter motor are electrically coupled to the one or more auxiliary loads. | 10-16-2014 |
| 20140346864 | DEVICE FOR MAINTAINING VOLTAGE DURING STARTUP FOR A MOTOR VEHICLE - Device (DMT) arranged to provide an additional voltage, when the heat engine starts up, for the electrical power supply of the rotating electrical machine (AD). This additional voltage is added to a rated voltage of the on-board electrical system (RB) provided by a battery (BAT). The device comprises a second voltage source (Ucap) and electronic switches (K | 11-27-2014 |
| 20150042161 | Backup Store with Center Tap for Vehicle Onboard Power Supply System - A vehicle has a first partial onboard power supply system and a second partial onboard power supply system which is electrically connected with the first partial onboard power supply system at at least a first nodal point. The first partial onboard power supply system includes a first group of electric consumers and the second partial onboard power supply system includes a second group of electric consumers. The first partial onboard power supply system includes a starter, an onboard power supply system accumulator connected parallel to the starter and a first switch between the first group of consumers and the onboard power supply system accumulator. The second partial onboard power supply system includes a first direct-voltage controller, an electric support accumulator connected parallel to the second group of electric consumers at a second modal point, and an interface of the first direct-voltage controller connected with the second nodal point. The electric support accumulator has an electric center tap, and the center tap is connected with the first nodal point by way of a second switch. | 02-12-2015 |
| 20150123471 | APPARATUS FOR CONTROLLING LDC IN ELECTRIC VEHICLE - Embodiments provide an apparatus controlling a low voltage DC-DC converter (LDC) in an electric vehicle that enables the LDC to autonomously wake up and operate when at least one of an ignition IGN signal and other electric components linked to the LDC is in the ON state and enables the LDC to recognize that other electric components linked to the LDC are all in the OFF state, and autonomously operate in a power-off state when other electric components linked to the LDC are all in the OFF state. | 05-07-2015 |
| 20150329071 | Battery life saving system - I claim that the battery life save system will increase the effective life a vehicle battery and also improve the engine ignition process. The system works by temperately shutting off electronic components of the vehicle that are not essential to the ignition process, including but not limited to exterior lights, interior lights, entertainment system, suspension, ABS and other components that are not essential to the ignition process. Shutting off these components will decrease the electrical usage of the vehicle and allow for more of the electricity to be used in the ignition process, making the process more efficient, this will also protect the battery by not exposing it to periods of very high electrical consumption thus extending its life. | 11-19-2015 |
| 20150336474 | VEHICLE POWER SUPPLY APPARATUS AND VEHICLE POWER REGENERATION SYSTEM - A vehicle power supply apparatus includes: a switching element; a DC-DC converter; and a control unit. When a vehicle is travelling, and a generator does not generate electricity, if a voltage of an electricity storage unit is greater than a predetermined value, the control unit turns on the switching element, and controls driving of the DC-DC converter such that the electricity storage unit discharges electricity to supply electric power of the electricity storage unit to loads, and even if the voltage of the electricity storage unit decreases to the predetermined value, as long as the vehicle speed is greater than or equal to a threshold value, the control unit turns on the switching element, and controls the driving of the DC-DC converter such that the electricity storage unit discharges electricity to supply the electric power of the electricity storage unit to the loads. | 11-26-2015 |
| 20150336523 | VEHICLE POWER SUPPLY APPARATUS AND VEHICLE POWER REGENERATION SYSTEM - A vehicle power supply apparatus includes: a switching element; a DC-DC converter; and a control unit. During an idling stop, the control unit turns on the switching element, and controls the DC-DC converter to discharge electricity from an electricity storage unit to supply electric power to loads, and when the voltage of the electricity storage unit decreases to a predetermined value, the control unit stops discharging to hold electric power of the electricity storage unit, continuously maintains the switching element ON to supply electric power to the loads, and transmits a signal indicating that the idling stop can be continuously maintained. When the idling stop ends and an engine is re-started, the control unit turns off the switching element, and controls the DC-DC converter to discharge electricity from the electricity storage unit to supply remaining electric power of the electricity storage unit to a second load. | 11-26-2015 |
| 20150375698 | BATTERY POWER MANAGEMENT APPARATUS AND METHOD - A battery power management apparatus, including a first battery capable of providing electrical power to a first load at a selected time, a second battery capable of providing at least some electrical power to a second load continuously, a first electrical switch capable of connecting the first battery to a circuit containing the first load, a second electrical switch capable of connecting the first battery to the first load, and a recharging device capable of recharging the first battery and the second battery and capable of providing power to the second load. The second battery provides power to the second load when the recharging device ceases to operate or becomes non-operational. | 12-31-2015 |
| 20160061171 | PROVIDING A BOOST VOLTAGE WITH A TRANSIENT OPERATION - A system, method and circuit for providing a boost voltage with a transient operation of a vehicular start-stop system are provided. The system includes a duty cycle or current monitor to detect a change in duty cycle or current based on the transient operation; a crank time-out detector to determine whether the change in duty cycle is over a predetermined threshold; and a reset generator to generate a reset of a boost circuit that generates the boost voltage after a predetermined delay. | 03-03-2016 |
| 20160137092 | SEMI-ACTIVE PARTIAL PARALLEL BATTERY ARCHITECTURE FOR AN AUTOMOTIVE VEHICLE SYSTEMS AND METHODS - An automotive battery system that includes a lead-acid battery electrically coupled to a first bus, in which the lead-acid battery supplies electrical power to a starter via the first bus to cold crank an internal combustion engine of a vehicle; a lithium-ion battery electrically coupled to a second bus, in which the lithium-ion battery captures and stores electrical energy generated by a regenerative braking system when the vehicle brakes and supplies electrical power to the second bus using the electrical energy captured from the regenerative braking system such that a first portion of the second electrical power is supplied to an electrical system; and a DC/DC converter electrically coupled between the first bus and the second bus, in which the DC/DC converter controls supply of a second portion of the second electrical power to charge the lead-acid battery. | 05-19-2016 |
| 20160160828 | Switch Arrangement in a Motor Vehicle Electrical System - Switch system for a motor vehicle electrical system comprising a first switch element arranged between a generator-battery line and a starter-battery line of a vehicle electrical system, such that the generator-battery line and the starter-batter line can be short circuited spatially in the region of the starter | 06-09-2016 |
| 20160176298 | Energy Source System Having Multiple Energy Storage Devices | 06-23-2016 |
| 20160177907 | Electronic safety shutdown system for motor vehicles | 06-23-2016 |
| 20160200444 | ROTORCRAFT HAVING ELECTRICAL EQUIPMENT FOR REGULATING ELECTRICAL POWER SUPPLY TO AN ENGINE ON STARTING | 07-14-2016 |
| 20190143820 | MAXIMUM CURRENT CALCULATION AND POWER PREDICTION FOR A BATTERY PACK | 05-16-2019 |
