BOSCH CORPORATION Patent applications |
Patent application number | Title | Published |
20150048670 | BRAKE DEVICE FOR VEHICLE AND CONTROL METHOD THEREOF - A brake device for a vehicle, that includes at least a first hydraulic brake and a second hydraulic brake which produce hydraulic brake forces, and a regenerative brake which produces a regenerative brake force, and that performs a distribution of the hydraulic brake force and the regenerative brake force with respect to a driver request brake force. | 02-19-2015 |
20140216384 | METHOD OF DIAGNOSING GLOW PLUG AND GLOW PLUG DRIVE CONTROL DEVICE - It is possible to determine the presence or absence of the degradation and abnormality of a glow plug with high reliability using a relatively simply procedure. | 08-07-2014 |
20140165539 | REDUCING AGENT SUPPLY APPARATUS AND INTERNAL-COMBUSTION ENGINE EXHAUST GAS PURIFICATION APPARATUS - A reducing agent supply apparatus that can reduce the state of large deviation of the pressure within a reducing agent supply passage from a target pressure and an exhaust gas purification apparatus including such a reducing agent supply apparatus are provided. | 06-19-2014 |
20140142812 | AIRBAG CONTORL UNIT - An airbag ECU includes a voltage detection section that detects a voltage in a power supply supplied to other control units (for example, front passenger seat occupancy sensing ECU). In addition, the airbag ECU includes a timer that measures an elapsed time after the voltage detected by the voltage detection section falls in a preset voltage range and a recording section that records the elapsed time measured by the timer on a memory when a failure of the other control units is detected. | 05-22-2014 |
20140138373 | CERAMIC HEATER-TYPE GLOW PLUG - A ceramic heater-type glow plug is provided that is configured so that, even when a deformation occurs in a metal outer cylinder, stress propagating to the connection between one electrode of a ceramic heater and an electrode lead-out member can be reduced to prevent the ceramic heater and the electrode lead-out member from being damaged. | 05-22-2014 |
20140130772 | FUEL INJECTION VALVE, INTERNAL COMBUSTION ENGINE AND FUEL INJECTION METHOD - It is an object of the present invention to reduce the penetration of a fuel spray directed toward a certain area in a cylinder, thereby reducing oil dilution that increases sliding resistance in the engine, reducing fuel adhesion or the like onto the cylinder liner, and also reducing the adverse effect of a fuel spray having an increased penetration. | 05-15-2014 |
20140102396 | GLOW PLUG DRIVING CONTROL METHOD AND GLOW PLUG DRIVING CONTROL DEVICE - The accuracy in controlling the heating temperature of a glow plug and the reliability of the control operation are improved. | 04-17-2014 |
20140096733 | GLOW PLUG, NEW GLOW PLUG DETERMINATION METHOD, AND GLOW PLUG DRIVING CONTROL DEVICE - There is provided a new glow plug that can be easily determined as to whether or not it is a new article. | 04-10-2014 |
20140090363 | HEATER CONTROL DEVICE OF OXYGEN CONCENTRATION SENSOR - A heater control device of an oxygen concentration sensor is provided in which even in a case where an internal combustion engine is automatically stopped by idle stop control after cold start-up, it is possible to start energization of a heater at an appropriate time. | 04-03-2014 |
20130283771 | REDUCING AGENT SUPPLY APPARATUS ABNORMALITY DIAGNOSIS UNIT AND REDUCING AGENT SUPPLY APPARATUS - [Problem] To provide a reducing agent supply apparatus abnormality diagnosis unit that can reduce the limitation on when to perform abnormality diagnosis and on the applicability of abnormality diagnosis to facilitate the implementation of abnormality diagnosis of a reducing agent supply apparatus and to provide the reducing agent supply apparatus. | 10-31-2013 |
20130283769 | EXHAUST GAS PURIFICATION SYSTEM AND METHOD FOR CONTROLLING THE SAME - [Problem] To provide an exhaust gas purification system capable of preventing clogging of a reducing agent injection valve due to solidified urea aqueous solution to prevent decrease in the exhaust gas purification efficiency of an internal-combustion engine. | 10-31-2013 |
20130282253 | BRAKE SYSTEM AND BRAKE CONTROL METHOD - It is an object of the present invention to control unstable behavior of a vehicle body that arises when braking during turning. | 10-24-2013 |
20130269321 | EXHAUST PURIFICATION SYSTEM AND METHOD FOR CONTROLLING EXHAUST PURIFICATION SYSTEM - Provided is an exhaust purification system capable of clearing a blockage of a reducing agent injection valve caused by solidification of an aqueous urea solution soon after starting an engine and preventing degradation in exhaust purification efficiency when starting an internal combustion engine. An exhaust purification system with a DPF, a reducing agent injection valve, and an SCR catalyst in order from the exhaust upstream side includes: an operation state detecting unit capable of detecting starting and stopping of the internal combustion engine; a forced regeneration control unit which performs forced regeneration of the DPF; a condition establishment determining unit which determines whether there is a possibility of solidification of the aqueous urea solution when the operation state detecting unit detects that the internal combustion engine is stopped; a data storage unit which stores the determination result of the condition establishment determining unit as data; and a blockage-clearing control unit which controls a temperature raising unit for raising the temperature of the reducing agent injection valve so as to raise the temperature of the reducing agent injection valve based on the data when starting the internal combustion engine. | 10-17-2013 |
20130255615 | GLOW PLUG CONTROL DRIVE METHOD AND GLOW PLUG DRIVE CONTROL SYSTEM - To suppress current fluctuations upon commencement of driving and prolong lifespan by reducing electric stress caused by current fluctuations. | 10-03-2013 |
20130213014 | REDUCING AGENT INJECTION VALVE ABNORMALITY DETECTION UNIT AND REDUCING AGENT SUPPLY APPARATUS - [Problem] To provide a reducing agent injection valve abnormality detection unit capable of precisely determining whether or not a reducing agent injection valve is abnormally stuck, and a reducing agent supply apparatus. | 08-22-2013 |
20130193675 | DRIVE CONTROL METHOD OF OCCUPANT PROTECTION CONTROL APPARATUS AND OCCUPANT PROTECTION CONTROL APPARATUS - An occupant protection apparatus can reduce the impact on an occupant as much as possible to securely protect the occupant even when a first-stage ignition means is in failed state. | 08-01-2013 |
20130192207 | REDUCING AGENT SUPPLY APPARATUS, METHOD FOR CONTROLLING THE SAME, AND EXHAUST GAS PURIFICATION APPARATUS - [Problem] To provide a reducing agent supply apparatus that can quickly melt urea aqueous solution solidified in a reducing agent injection valve to allow early start of the injection control of urea aqueous solution, a method for controlling the reducing agent supply apparatus, and an exhaust gas purification apparatus. | 08-01-2013 |
20130134767 | VEHICLE BRAKE DEVICE AND METHOD OF CONTROLLING VEHICLE BRAKE DEVICE - There is provided a vehicle brake device that includes hydraulic brake means for generating a hydraulic brake force and regenerative brake means for generating a regenerative brake force and distributes the hydraulic brake force and the regenerative brake force for a driver-requested brake force. The hydraulic brake means includes a pressure reducing valve that reduces hydraulic pressure of wheel cylinders. The vehicle brake device includes hydraulic brake control means for maintaining the pressure reducing valve open while the driver-requested brake force is covered by only the regenerative brake force. The hydraulic brake control means does not open the pressure reducing valve when hydraulic pressure is present in the wheel cylinders. | 05-30-2013 |
20130127236 | VEHICLE BRAKE DEVICE AND METHOD OF CONTROLLING THE SAME - An object of the invention is to prevent abnormal noise from being generated when the pressure of brake fluid supplied to a brake caliper is reduced. | 05-23-2013 |
20130118155 | CONTROL UNIT AND CONTROL METHOD FOR REDUCTANT SUPPLY DEVICE - A reductant supply device having a reductant injection valve with an injection tip that is fixed to an exhaust pipe on the exhaust gas upstream side of a reduction catalyst, the device directly injecting and supplying an urea aqueous solution which is pressure-fed to the reductant injection valve in a state of a liquid fluid, by controlling opening and closing of the reductant injection valve. The device includes a cooling water circulation passage; a flow rate control valve; a temperature sensor for detecting a temperature at the tip of the reductant injection valve; and a controller for controlling the flow rate control valve based on the temperature at the tip such that the temperature at the tip of the reductant injection valve is maintained at a temperature between equal to or higher than a boiling point of the urea aqueous solution and equal to or lower than 130° C. | 05-16-2013 |
20130082513 | VACUUM BOOSTER, BRAKE SYSTEM EQUIPPED WITH THE VACUUM BOOSTER, AND METHOD OF MANUFACTURING PLATE PLUNGER FOR VACUUM BOOSTER - A plate plunger | 04-04-2013 |
20130080032 | PRESSURE SENSOR DIAGNOSING METHOD AND COMMON RAIL FUEL INJECTION CONTROL APPARATUS - Disclosed is a common rail fuel injection control apparatus that is used in an engine that drives power equipment, an actual measurement temperature difference that is a difference between a pre-pressurization temperature of the fuel and a post-pressurization release temperature of the fuel is obtained, and it is determined that a pressure sensor is failed when an absolute value of a difference between a representative temperature difference set in advance as a difference between the pre-pressurization temperature of the fuel and the post-pressurization release temperature of the fuel, and the actual measurement temperature difference exceeds a predetermined threshold value. | 03-28-2013 |
20130018561 | BRAKE HYDRAULIC CONTROL METHOD AND SYSTEMAANM Ono; ShunsakuAACI KanagawaAACO JPAAGP Ono; Shunsaku Kanagawa JP - A brake control method for a hydraulic brake device equipped with an actuator that automatically regulates braking liquid pressure in a wheel cylinder of a vehicle without driver intervention. The method includes: (a) calculating a time period in which holding or decreasing brake hydraulic pressure is continuously performed to the wheel cylinder; and (b) controlling the actuator such that, an increasing pressure and decreasing pressure to the wheel cylinder after the calculated time period has reached a predetermined time, the amount of the pressure increase and the amount of the pressure decrease are the same. | 01-17-2013 |
20120324882 | ELECTRIC BOOSTER AND BRAKE DEVICE USING THE SAME - [Problem] To provide an electric booster that can mechanically exhibit a jump-in characteristic and hysteresis characteristic without relying on control software. | 12-27-2012 |
20120312276 | ENGINE SPEED CONTROL MODE SWITCHING METHOD AND ENGINE SPEED CONTROL DEVICE - An electronic control unit initializes, when it is determined that a switching request has been input for switching to the droop control or to the isochronous control, a value of an integral term used in PID control that is performed in the isochronous control. A target fuel injection amount set prior to switching is used for initialization. Then, the ECU calculates, using a predetermined arithmetic expression, an accelerator opening degree for use after switching of the engine speed control mode, as a virtual accelerator opening degree. The accelerator opening degree corresponds to a speed state of an engine at an accelerator opening degree used during performance of the engine speed control mode used immediately prior to switching. If the calculated virtual accelerator opening degree is greater than an actual accelerator opening degree, the ECU switches the engine speed control mode and performs isochronous control using the virtual accelerator opening degree. | 12-13-2012 |
20120292982 | RESERVOIR TANK AND BRAKE SYSTEM USING THE RESERVOIR TANK - [Problem] To provide an inexpensive reservoir tank in which a light-out fluid level can be moved even farther away from a lead switch while reliably moving a float up and down and stabilizing the operation of the lead switch. | 11-22-2012 |
20120255282 | CONTROL DEVICE AND CONTROL METHOD FOR REDUCTION AGENT INJECTION VALVE - A controller and method of a reducing agent injector capable of accurately providing a required amount of ammonia to a reduction catalyst. | 10-11-2012 |
20120234294 | METHOD FOR CORRECTING FUEL INJECTION AMOUNT IN COMMON-RAIL-TYPE FUEL INJECTION CONTROL DEVICE AND COMMON-RAIL-TYPE FUEL INJECTION CONTROL DEVICE - A common-rail-type fuel injection control device where an error in the correction of a fuel injection amount when an exhaust brake is used is eliminated enabling a more reliable correction of a fuel injection amount. | 09-20-2012 |
20120209491 | VEHICLE BRAKE CONTROL DEVICE AND METHOD - A brake control method. During ABS control, a control sequence, other than the conventional control sequence, based on the slip ratio and so forth resulting from the measurement value of a wheel speed sensor, and a minimum amount of pressure increase or a minimum amount of pressure decrease is ensured. In another embodiment, a control sequence independent from a control sequence based on the measurement value of a wheel speed sensor, sets allowable ranges relating to amounts of change in the pressure of a wheel cylinder, monitors the actual pressure value with a pressure sensor at the time of brake control, and, at a time when the pressure inside the wheel cylinder has deviated from these allowable ranges, drives an actuator such as an electromagnetic valve and controls in such a way that the pressure inside the wheel cylinder falls within an allowable range. | 08-16-2012 |
20120204552 | RESERVOIR TANK CONNECTION CONNECTOR, MASTER CYLINDER PROVIDED WITH THIS CONNECTOR, AND BRAKING DEVICE PROVIDED WITH THIS MASTER CYLINDER - Disclosed is a reservoir tank, comprising a connector body installed on a master cylinder, a hose connection tube body, which is arranged protruding from the edge of the connector body and has a hose connected with the reservoir tank connected thereto, and a conveying arm guide section as an interference preventing section, which is arranged on the connector body and prevents interference with the conveying jig when the connector body is supported by a conveying jig. When a conveying arm of the conveying jig abuts the conveying arm guide section and supports the connector body, the conveying arm will not interfere with the hose connection tube body due to the conveying arm guide section. | 08-16-2012 |
20120203422 | PRESSURE SENSOR DIAGNOSTIC METHOD AND COMMON RAIL FUEL INJECTION CONTROL DEVICE - A pressure sensor diagnosis method and a common-rail-type fuel injection control device to of diagnose the presence or the non-presence of an abnormality of a pressure sensor without having a dedicated circuit. A time between energizing of injectors and the occurrence of a peak counter electromotive current is measured as a valve closing time. A rail pressure with respect to the measured valve closing time is obtained as an estimated rail pressure based on a correlation between a valve closing time and the rail pressure. When an absolute value of the difference between the estimated rail pressure and an actual rail pressure is equal to or less than a predetermined error, it is determined that the pressure sensor has no abnormality. Otherwise, it is determined that the pressure sensor has an abnormality. | 08-09-2012 |
20120200148 | BRAKE CONTROL DEVICE - A brake control device for a brake system. The control device can perform both an interlocking brake control and an antilock brake control. The brake system includes a front-wheel hydraulic circuit, a front-wheel-side braking part; a rear-wheel hydraulic circuit, a rear-wheel-side braking part; and an electrically-operated pump which pressurizes the brake fluid. The brake control device includes a usual voltage mode where the interlocking brake control or the anti-lock brake control is performed when the supply voltage is a first voltage or more, and a low voltage mode where at least one of the interlocking brake control and the anti-lock brake control is performed in a limited manner when the supplied voltage is a second, lower voltage. An operation mode is changed from the usual voltage mode to the low voltage mode when it is determined that the supply voltage becomes lower than the first voltage. | 08-09-2012 |
20120175360 | GLOW PLUG TIP TEMPERATURE ESTIMATING METHOD AND GLOW PLUG DRIVE CONTROL DEVICE - An arithmetic and control unit is configured to calculate a resistance value of a glow plug on the basis of an energization current of the glow plug and a voltage applied to the glow plug, perform a multiplication of the resistance value and a constant that has been determined beforehand on the basis of an electrical characteristic of the glow plug, input a predetermined heater reference point temperature, calculate an offset with a predetermined offset arithmetic expression from the heater reference point temperature, correct the multiplication result with that offset, and take the correction result as an estimated temperature of a tip of the glow plug. | 07-12-2012 |
20120166048 | INVERTED PENDULUM TYPE MOVING BODY - An inverted pendulum type moving body subject to a traveling control in response to a traveling instruction based on an intention of a rider while keeping a balance, a manipulation mode is performed based on the intention of the rider and an automatic operation mode is performed without being based on the intention of the rider. | 06-28-2012 |
20120158208 | INVERTED PENDULUM TYPE MOVING BODY - An inverted pendulum type moving body. The inverted pendulum type moving body includes: a vehicle body having a riding part on which a rider rides; a rotary body which is rotatably supported on the vehicle body; a rotary body drive unit which rotatably drives the rotary body; and a control device which controls the rotary body drive unit for allowing the inverted pendulum type moving body to travel in accordance with a traveling instruction while keeping a balance, wherein the inverted pendulum type moving body further includes an uncontrollable state detection unit for detecting a state where the control of the inverted pendulum type moving body by the rider is highly improbable, and the control device stops a traveling of the inverted pendulum type moving body when the uncontrollable state is detected based on information detected by the uncontrollable state detection unit. | 06-21-2012 |
20120150409 | VEHICLE BRAKING FORCE CONTROL DEVICE - A vehicle braking force control device which, at a normal time, performs antilock brake control when the slip ratio of a wheel has become equal to or greater than a predetermined threshold. The control device acquires from the engine control unit an accelerator pedal position signal corresponding to an accelerator pedal position, a clutch connection signal corresponding to a state of connection of a clutch, and a power transmission signal corresponding to a state of power transmission of a transmission. When engine braking is large on the basis of the accelerator pedal position signal, the clutch connection signal, and the power transmission signal, the vehicle braking force control device changes the predetermined threshold value to an offset threshold value that makes it harder to perform the antilock brake control than at the normal time. | 06-14-2012 |
20120083983 | VEHICULAR BRAKING CONTROL DEVICE - To provide a vehicular braking control device which, at the time of a collision of a host vehicle, can apply a braking force to the host vehicle while reducing the potential for a rear-end collision from a following vehicle. | 04-05-2012 |
20120036838 | EXHAUST PURIFICATION SYSTEM FOR A VEHICLE - To provide an exhaust purification system for a vehicle with which, even in a form of vehicle in which operation and stopping of an internal combustion engine are frequently alternated between, exhaust gas is prevented from being exhausted to the outside of the vehicle with a purification treatment remaining insufficient and an excessive drop in battery capability is prevented. | 02-16-2012 |
20120035824 | ABNORMALITY DETECTION DEVICE FOR DETECTION CIRCUIT AND ELECTRIC CIRCUIT, AND DETECTION SYSTEM AND ELECTRONIC SYSTEM WHICH USES ABNORMALITY DETECTION DEVICE - In an electric circuit whose behavior is changed corresponding to a peripheral environment, an abnormality detection device can surely detect abnormality in the electric circuit even in a state where a value of the peripheral environment cannot be specified. An abnormality detection device according to the present invention detects abnormality in a detection circuit ( | 02-09-2012 |
20110273005 | MOTORCYCLE BRAKING DEVICE - The present invention provides a motorcycle braking device which can perform a control which does not give discomforts to a rider in a front and rear wheel interlocking brake control by taking a manipulation of the rider into consideration. In the motorcycle braking device according to the present invention, in a front and rear wheel interlocking brake control, an additional target pressure associated with a brake input pressure of one of a front wheel hydraulic circuit and a rear wheel hydraulic circuit is applied to another wheel driven by the front wheel hydraulic circuit or the rear wheel hydraulic circuit. | 11-10-2011 |
20100307460 | FUEL SUPPLY APPARATUS OF INTERNAL COMBUSTION ENGINE AND CONTROL DEVICE OF FUEL SUPPLY APPARATUS - A fuel supply apparatus of an internal combustion engine is provided which can discharge air bubbles or air from within fuel supply paths while increasing pressure within a common rail up to a predetermined pressure level before a start of the internal combustion engine, can reduce a period of time of cranking from when an ignition switch is switched on and which can reduce noise that occurs when the air bubbles or air are being discharged. | 12-09-2010 |
20090277806 | ELECTROCHEMICAL CELL SYSTEM GAS SENSOR - The present invention is an electrochemical cell system gas sensor that detects a subject substance to be detected using an electrochemical reaction system and comprises an ion conduction phase and at least two kinds of electrode facing each other and contacting the ion conduction phase, an electrode structure thereof comprising a chemical detection electrode layer having a selective adsorption characteristic relative to the subject substance to be detected and at least one reference electrode layer serving as a counter electrode to the chemical detection electrode layer, a manufacturing method thereof, and a method of detecting the subject substance to be detected, the present invention provides a chemical detection system having an extremely high response speed and great detection ability irrespective of high or low temperatures and even in the presence of excessive oxygen that impairs the chemical reaction of the subject substance to be detected. | 11-12-2009 |
20090194066 | CYLINDER INJECTION TYPE SPARK IGNITION INTERNAL COMBUSTION ENGINE - An engine provided with a fuel injector for directly injecting fuel into a cylinder, a spark plug positioning a spark gap in a flight path of fuel injected from the fuel injector, and a cavity formed in a piston top face, wherein at the time of stratified combustion, the fuel injector injects substantially all of the fuel in a direction merging with a tumble flow, swirling in a longitudinal direction along the cavity at the compression stroke, along the swirl direction of the tumble flow and uses the spark plug to ignite the fuel while the fuel at the end period of injection is passing through the spark gap. | 08-06-2009 |
20080283633 | Fuel Injection Valve - A fuel injection valve ( | 11-20-2008 |
20080282681 | EXHAUST EMISSION PURIFYING APPARATUS FOR ENGINE - An exhaust emission purifying apparatus for an engine, which is provided with: an electric pump sucking and supplying a liquid reducing agent by pumping out of a reducing agent tank; a flow control valve controlling flow rate of the liquid reducing agent; and an injection nozzle injection-supplying the liquid reducing agent with the controlled flow rate, to an exhaust emission upstream of NOx reduction catalytic converter. At the engine starting, a highly pressurized air is urged to reversely flow to a reducing agent supply system upstream of the flow control valve. Then it is determined whether or not the reducing agent supply system brings about clogging based on a pressure change produced by the reverse flow. When a number of frequency at which it is consecutively determined as occurrence of clogging reaches a predetermined number or more, it is determined that the clogging is serious, which is unable to be readily mended. | 11-20-2008 |