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1. 发明专利

JP2000303883A METHOD AND APPARATUS FOR CONTROLLING INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JP2000303883A
公开(公告)日：2000-10-31
申请号：JP2000105295
申请日：2000-04-06
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF
IPC分类号： F02M37/00 , F02D41/20 , F02D41/38 , F02D45/00 , F02M47/00
摘要： PROBLEM TO BE SOLVED: To improve the quality in pressure adjustment by using the first and second pressure adjusting means in the first and second conditions for adjusting and setting the pressure, and distinguishing these conditions on the basis of the adjustment deviation between the target pressure and the actual pressure. SOLUTION: A target-setting part 200 sends a pressure target value PS of the rail pressure to a joint point 210 with a positive polarity, and an output signal P of a pressure sensor 140 is added to a second input side of the joint point 210 with a negative polarity. An input side 2 of a switching means 205 inputting an output signal of the joint point 210 is selectively connected to the output sides 1, 0 to be connected to the input sides of the first and second adjusting units 220, 225 capable of outputting the output signals Q1S, Q2S, of the switching means 205. The joint point 210 determines the adjustment deviation, the first and second operating conditions are distinguished by this adjustment deviation, the first adjustment unit 220 is used only in the case of the positive adjustment deviation, that is, in the formation of pressure, the second adjustment unit 225 is used, only in the case when the reduction of pressure and a switching part 208 switches the switching means 205 to a corresponding position on the basis of the adjustment deviation.

2. 发明专利

JP2002311062A DETECTION METHOD AND DETECTION DEVICE FOR SIGNAL 审中-公开
公开(公告)号：JP2002311062A
公开(公告)日：2002-10-23
申请号：JP2002034462
申请日：2002-02-12
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF , BIESTER JUERGEN
IPC分类号： G01R19/00 , G01D1/02 , G01R31/36
摘要： PROBLEM TO BE SOLVED: To provide a method that detects a signal simply and reliably. SOLUTION: Signals are measured at given sampling rates, measured values by the measurements are stored in a buffer memory, and medians of the stored measured values are formed to produce average signal values at time intervals relatively slower than the sampling rates.

3. 发明专利

JP2000046231A CONTROL METHOD OF ELECTROMAGNETIC LOAD AND CONTROL DEVICE THEREFOR 失效
公开(公告)号：JP2000046231A
公开(公告)日：2000-02-18
申请号：JP13436499
申请日：1999-05-14
申请人： BOSCH GMBH ROBERT
发明人： STRAUB DETLEV , HAMMEL CHRISTOF , WERNER ANDREAS , KROKER THOMAS , SCHULZ UDO
IPC分类号： H01F7/18 , F02D41/20 , F16K31/06 , G05F1/10
摘要： PROBLEM TO BE SOLVED: To correctly distinguish an error and a normal operation from each other by detecting and evaluating voltage impressed on an energy accumulating element when fuel is injected, in a device using electric charge of the energy accumulating element for promoting input-connection of a load, in the case where a solenoid valve (an electromagnetic injector) is controlled. SOLUTION: In a four cycle internal combustion engine, each first terminal of electromagnetic injectors (a load) 100 to 103 arranged per cylinder is connected to a voltage supplying unit 105 through switch means 115 and a diode 110, and a second terminal is connected to a resistor 125 through switch means 120 to 123. Each load 100 to 103 is connected to a condenser 145 and switch means 140 through diodes 130 to 133. In a monitoring unit 165, current is measured through the current measuring resistor 125 only when one of the switch means 120 to 123 is closed, voltage applied on the condenser 145 is measured, and the whole of a system is monitored from those measured result.

4. 发明专利

JP2001200748A METHOD AND DEVICE FOR CONTROLLING ROTATIONAL SPEED OF INTERNAL COMBUSTION ENGINE AT LOW ROTATIONAL SPEED 失效
公开(公告)号：JP2001200748A
公开(公告)日：2001-07-27
申请号：JP2000388754
申请日：2000-12-21
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF
IPC分类号： F02D45/00 , F02D31/00 , F02D41/06 , F02D41/34
摘要： PROBLEM TO BE SOLVED: To provide a method and device for controlling the rotational speed of an internal combustion engine which rotates at a low rotational speed. SOLUTION: A rotational speed value of an even segment is supplied directly to a control circuit by depending on scanning of an odd or even segment, a rotational speed value of the odd segment is obtained from the rotational speed value of the leading even numbered segment, before this value is supplied to the control circuit.

5. 发明专利

JP2001183386A METHOD AND APPARATUS FOR OBTAINING ROTATIONAL FREQUENCY GRADIENT OF ROTARY OBJECT 失效
公开(公告)号：JP2001183386A
公开(公告)日：2001-07-06
申请号：JP2000342491
申请日：2000-11-09
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF , WEISS TOBIAS
IPC分类号： G01P3/489 , F02D45/00 , G01P3/481 , G01P3/60
摘要： PROBLEM TO BE SOLVED: To reduce a size of errors generated when a rotational frequency gradient of a rotary object is obtained with the use of a time point when the rolling object reaches a specific position or with the use of an interval of the time points, and the dependence of the error on the rotational frequency. SOLUTION: A rotational frequency difference which is a basis for calculating the rotational frequency gradient is formed by subtracting a term in which the rotational frequency as a basis for calculating the rotational frequency difference is calculated. Alternatively, the calculation of the rotational frequency gradient is carried out at preliminarily set time intervals.

6. 发明专利

JPH11117797A CONTROL METHOD AND DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH11117797A
公开(公告)日：1999-04-27
申请号：JP23154098
申请日：1998-08-18
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF
IPC分类号： F02D45/00 , F02D41/14 , F02D41/38 , F02D41/40 , G05D16/20
摘要： PROBLEM TO BE SOLVED: To improve a control characteristic by linearizing a control zone when a control signal is inputted from a controller to a regulator on the basis of a result comparing a target value and a real value of pressure in an accumulator with each other, and setting an amount corresponding to a fuel amount which is necessary for regulating pressure. SOLUTION: A pilot delivery pump 110 is connected to a fuel reservoir tank 100 through a first filter 105, and its delivery side is connected to a high pressure pump through a second filter means 115, and a value 120. The delivery side of the high pressure pump 125 is connected to a rail (an accumulator) 130 connected to a plurality of injector 131. Excess pressure of the rail 130 is returned to the fuel reservoir tank 100 through a pressure control valve (a regulator) 135. When the pressure control valve 135 is controlled, a control zone is linearized, an amount corresponding to a fuel amount which is necessary for generating pressure and/or reducing pressure is set by the controller, and a control signal is generated by comparing the its value and a real value with each other.

7. 发明专利

JP2003201900A METHOD AND SYSTEM FOR CONTROLLING INTERNAL COMBUSTION ENGINE 审中-公开
公开(公告)号：JP2003201900A
公开(公告)日：2003-07-18
申请号：JP2002105719
申请日：2002-04-08
申请人： BOSCH GMBH ROBERT
发明人： SCHUELLER MICHAEL , SCHULZ UDO , GANGI MARCO , HAMMEL CHRISTOF , MROSIK MATTHIAS , JAUDAS RAINER , RUEGER JOHANNES-JOERG , PFAEFFLE ANDREAS , HEDENETZ ANDREAS
IPC分类号： F02M45/02 , F02B3/06 , F02D41/20 , F02D41/38 , F02D41/40 , F02M47/00 , F02M51/00
摘要： PROBLEM TO BE SOLVED: To configure a method and a system for controlling an internal combustion engine so that the possibility and capabilities of an injection system can be used optimally. SOLUTION: In this method of controlling an internal combustion engine, an injection process is divided into at least two part injections, an injection progress is set based on at least a control part, the progress of the injection is defined by a sequence of the part injections, whether or not at least one setting is satisfied is detected, and all part injections are performed or at least one part injection is cancelled depending on the detection of the setting. COPYRIGHT: (C)2003,JPO

8. 发明专利

JPH11101148A CONTROL METHOD AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH11101148A
公开(公告)日：1999-04-13
申请号：JP20925898
申请日：1998-07-24
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF
IPC分类号： F02M37/00 , F02D41/38 , F02D45/00 , F02M55/02 , F02M63/00 , F02M63/02
摘要： PROBLEM TO BE SOLVED: To stably control a fuel pressure in all operating states by setting the transfer characteristic of a controller, depending on an operating parameter at the time of controlling an internal combustion engine of a common rail system. SOLUTION: Fuel in a storage container 100 is pumped up by a preconveying pump 110 and conveyed through filters 105, 115. When pressure in a low pressure area of a fuel system reaches the specified pressure, a valve 120 is opened, and when the pressure in the low pressure area rises to the unallowable high value, a low pressure limiting valve 145 is opened. Fuel in the low pressure area is supplied to a high pressure area, that is, a fuel rail 130, by boosting a high pressure pump 125 and then supplied to an injector 131 from the fuel rail 130. At this time, pressure of the fuel rail 130 or the high pressure area is detected by a sensor 140, and according to the detected result, a control part 160 controls a coil 136 of a pressure control valve 135 to control valve opening of the valve 135 so as to control the pressure of the high pressure area to the appropriate value.

9. 发明专利

JPH1182248A MONITORING METHOD OF FUEL AMOUNT ADJUSTING DEVICE AND MONITORING DEVICE 失效
公开(公告)号：JPH1182248A
公开(公告)日：1999-03-26
申请号：JP17293898
申请日：1998-06-19
申请人： BOSCH GMBH ROBERT
发明人： HAMMEL CHRISTOF
IPC分类号： F02M37/00 , F02D41/04 , F02D41/22 , F02D41/38 , F02M63/00 , F02M65/00
摘要： PROBLEM TO BE SOLVED: To check the operation of a safety shut-off valve without causing undesirable characteristics of an internal combustion engine by shutting off the supply of fuel and judging that a failure occurs when a signal indicating fuel pressure rises when a safety means for shutting off the supply of fuel is checked in a predetermined operation condition. SOLUTION: While an engine is operated, a front pressure feed pump 20 scoops fuel in a fuel storage tank 10 to feed it under pressure to a high pressure feed pump 30, and fuel is fed under pressure to a rail 35 due to the operation of this high pressure feed pump 30 and is supplied to each fuel injection valve 61 to 66. A safety cut-off valve 25 is provided between these pumps 20 and 30. When the operation of this safety cut-off valve 25 is checked, a signal indicating that a driver attempts to shut off the operation of an internal combustion engine is applied to a terminal KL 15 of a control device 100. After the internal combustion engine stops, pressure of the fuel fed under pressure from the high pressure feed pump 30 to the rail 35 is increased, and it is judged that a failure of the safety cut-off valve 25 occurs when pressure rises above a predetermined difference in pressure from the start of a shut-off process.

10. 发明专利

JP2002070614A METHOD AND DEVICE FOR CONTROLLING FUEL METERING TO INTERNAL COMBUSTION ENGINE 审中-公开
公开(公告)号：JP2002070614A
公开(公告)日：2002-03-08
申请号：JP2001251141
申请日：2001-08-22
申请人： BOSCH GMBH ROBERT
发明人： PFAEFFLE ANDREAS , JAUDAS RAINER , HAMMEL CHRISTOF , SCHULZ UDO , SCHUELLER MICHAEL
IPC分类号： F02D41/04 , F02D41/34 , F02D41/40
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for controlling fuel metering to an internal combustion engine. SOLUTION: A main injection starting signal representing a start of main injection can be set on the basis of at least one moment weight representing a demand from a driver. An amount representing fuel efficiency can be set on the basis of the main injection starting signal at least, and an overall fuel amount signal representing an overall fuel amount to be injected can be set on the basis of the amount representing the fuel efficiency.

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