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1. 发明专利

JP2004100590A Fuel injection control device of internal combustion engine 有权
公开(公告)号：JP2004100590A
公开(公告)日：2004-04-02
申请号：JP2002264176
申请日：2002-09-10
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： WATANABE TSUGIO , ABE MASAHIKO , HAYASHI TATSUO , YUHARA TOMOKI
IPC分类号： F02D41/04 , F02D31/00 , F02D41/02 , F02D41/24 , F02D41/34
CPC分类号： F02D31/007 , B60W10/06 , B60W10/10 , B60W30/1882 , B60W2510/0604 , B60W2510/0628 , B60W2510/0638 , B60W2510/1005 , B60W2710/0616 , F02D41/0225 , F02D41/2422 , F02D41/34 , F02D2200/0404 , F02D2200/501 , Y10T477/675 , Y10T477/679 , Y10T477/68
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection control device of an internal combustion engine for determining an optimal fuel injection quantity according to a travel load without requiring large memory capacity. SOLUTION: A gear position discriminating part 102 discriminate a present gear position Ngp on the basis of a vehicle speed Vpls and an engine speed NE. A Kgpd calculating part 103 calculates an each gear correction factor Kgpd on the basis of the gear position Ngp and the engine speed NE. A state determining part 104 determines whether or not an engine is either of a steady state and a transition state. A map selecting part 105 selects a PB map 11 or a TH map 12 as a map for determining a basic injection quantity Ti on the basis of a determining result of the engine state. A basic injection quantity determining part 106 determines the basic injection quantity Ti on the basis of the product of the PB map 11 or the TH map 12 and the each gear correction factor Kgpd. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2002061528A FUEL INJECTION CONTROL DEVICE 失效
公开(公告)号：JP2002061528A
公开(公告)日：2002-02-28
申请号：JP2001124481
申请日：2001-04-23
申请人： HONDA MOTOR CO LTD
发明人： MACHIDA KENICHI , HIRAKATA YOSHIAKI , YUHARA TOMOKI , ABE MASAHIKO
IPC分类号： F02B29/02 , F02D31/00 , F02D41/02 , F02D41/04 , F02D41/34 , G05D7/06
摘要： PROBLEM TO BE SOLVED: To obtain a high output by proper fuel injection according to a dynamical pressure, in an engine having an intake duct through which running air is taken in. SOLUTION: A car speed correction factor calculating part 26 calculates a fuel correction factor KVPLS based on a car speed VPLS and a throttle factor calculating part 27 calculates a correction factor KVθTH based on a throttle opening θTH. A correction factor multiplying part 28 multiplies a fuel correction factor KVPLS and a correction factor KVθTH and calculates a car speed regulation correction factor KVAF. An injection time calculating part 30 calculates a fundamental injection time TiM based on a throttle opening TH and the number Ne of revolutions of engine and inputs a correction factor KVAF and calculates a fuel injection time Ti by correcting a fundamental injection time TiM. When the number Ne of revolutions of engine exceeds a predetermined value Nel, and when switching to a low speed gear is effected, a correction factor KVAF signal is inputted to an injection time calculating part 30.

3. 发明专利

JP2000009007A IGNITION PERIOD CONTROLLING DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JP2000009007A
公开(公告)日：2000-01-11
申请号：JP17867998
申请日：1998-06-25
申请人： KEIHIN CORP , HONDA MOTOR CO LTD
发明人： KONNO YUICHI , HIRAKATA YOSHIAKI , ABE MASAHIKO , IWATA YASUO
IPC分类号： F02D45/00 , F02P5/15
摘要： PROBLEM TO BE SOLVED: To certainly prevent a shock of an engine by being provided with a retard controlling means delaying an ignition time of an internal combustion engine in response to a rapid acceleration detection signal. SOLUTION: When a throttle valve opening degree θTH is smaller than an upper limit at a closed side (S2) and the throttle valve opening degree θTH is the first time immediately after θTH>=θTH1 is varied to θTH =θTH1 to θTH

4. 发明专利

JPH0196443A FUEL FEED CONTROLLER FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH0196443A
公开(公告)日：1989-04-14
申请号：JP25398087
申请日：1987-10-07
申请人： HONDA MOTOR CO LTD
发明人： FUJII TAKAAKI , ABE MASAHIKO , KOBAYASHI AKIO
IPC分类号： F02D41/10 , F02D41/00
摘要： PURPOSE:To improve operating performance and fuel consumption by constructing an acceleration increment setting means for setting an acceleration increment of fuel to be fed to an engine during acceleration such that it will set a smaller acceleration increment for higher engine rotation. CONSTITUTION:A smaller acceleration increment time is set for a higher engine rotation when an engine 1 is in a predetermined accelerating state, and an asynchronous ejection based on a setting acceleration increment time is outputted based on an OR condition with a synchronous ejection through a subroutine. Consequently, fuel supply quantity does not exceed over a limit level even under high rotation zone of the engine 1, and fuel can be fed effectively to the engine 1 within a range where engine 1 output is increased over a wide rotary zone of the engine 1. As a result, operating performance and fuel consumption of engine can be improved.

5. 发明专利

JPS6338673A CARBURETOR DEVICE HAVING INTAKE PIPE OF VARIABLE LENGTH FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPS6338673A
公开(公告)日：1988-02-19
申请号：JP18079286
申请日：1986-07-31
申请人： HONDA MOTOR CO LTD
发明人： FUJII TAKAAKI , UEDA MINORU , ABE MASAHIKO
IPC分类号： F02B27/02 , F02M7/20
摘要： PURPOSE:To effect stable fuel control, by providing a valve to be opened by negative pressure greater than a prescribed value in a negative pressure pipe of a diaphragm unit actuated by negative pressure in an intake air pipe for controlling fuel in a device wherein a length of an intake pipe is controlled in accordance with an r.p.m. of an engine and on the other hand a fuel supply is also controlled. CONSTITUTION:An intake pipe of variable length 5 is provided in an enlarged intake chamber upstream of a carburetor. The intake pipe of variable length 5 actuates a servomotor 40 at a high rotational speed in response to an output from a control unit 41 so that a movable intake pipe 3 is separated from a fixed intake pipe 2 to substantially make the length of the intake pipe shorter. At the same time, the control unit 41 switches a changeover valve in a negative pressure pipe for introducing intake pipe pressure into a fuel control diaphragm to a negative pressure side. At the time, since a check valve 11 is provided in the negative pressure pipe, only positive pressure greater than a prescribed value is supplied into a negative pressure storage chamber regardless of pulsation of the negative pressure, whereby actuating negative pressure is stabilized and fuel is controlled stably.

6. 发明专利

JPS6325361A FUEL SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPS6325361A
公开(公告)日：1988-02-02
申请号：JP16940986
申请日：1986-07-18
申请人： HONDA MOTOR CO LTD
发明人： YAMAZAKI RYUTARO , ABE MASAHIKO , SUZUKI KENSUKE
IPC分类号： F02M5/12 , F02M1/04
摘要： PURPOSE:To improve startability by composing the float valve of a carburetor with a control part of a small diameter that opens and closes a fuel supply port and a base of a large diameter that is guided in a groove, so as to introduce supply fuel into a float chamber through a fuel leading passage. CONSTITUTION:To the float chamber 4 of a carburetter 3, fuel is supplied from a fuel tank 5 through a fuel supply port 4a and a float valve 7 that opens and closes said supply port and via a fuel leading passage 4c and a fuel storage chamber 21. The float valve 7 consists of a control part 7b of a small diameter that opens and closes the fuel supply port 4a and a base 7a of a large diameter, and the base 7a slides in a guide hole 4b formed in the carburetor. At engine starting, when a connecting passage 18 is opened as a starting fuel passage by operating a by-pass valve, the fuel from a fuel supplying pipe 20, opens the float valve 7 for flowing into stably without being affected by vapour in the carburetter-interior 3 and so on.

7. 发明专利

JP2000008939A CALCULATION DEVICE FOR ENGINE SPEED 失效
公开(公告)号：JP2000008939A
公开(公告)日：2000-01-11
申请号：JP18017198
申请日：1998-06-26
申请人： KEIHIN CORP , HONDA MOTOR CO LTD
发明人： KONNO YUICHI , HIRAKATA YOSHIAKI , ABE MASAHIKO , IWATA YASUO
IPC分类号： F02D45/00 , F02D41/34 , G01P3/44 , G01P3/489
摘要： PROBLEM TO BE SOLVED: To provide a calculation device for engine speed which can calculate the engine speed easily in the low speed area of an engine without being affected by a pulse rotation. SOLUTION: In the low speed area of an engine, the engine speed is calculated by dividing a prescribed value by a required time required in the rotation with plural times angle of the prescribed angle and in the high speed area of the engine with a little pulse, the engine speed is calculated by dividing the prescribed value by the plural times value of the required time required for the rotation with the prescribed angle.

8. 发明专利

JP2000008938A CALCULATION DEVICE FOR ENGINE SPEED 失效
公开(公告)号：JP2000008938A
公开(公告)日：2000-01-11
申请号：JP18017098
申请日：1998-06-26
申请人： HONDA MOTOR CO LTD
发明人： HIRAKATA YOSHIAKI , ABE MASAHIKO , IWATA YASUO
IPC分类号： F02D41/34 , F02D45/00 , G01P3/489
摘要： PROBLEM TO BE SOLVED: To provide the calculation device for engine speed which can calculate the engine speed in the low speed area of an engine without being affected by a pulse rotation. SOLUTION: At every time when the crankshaft of an engine is rotated by a prescribed angle, the time required to the rotation of the prescribed angle is measured and the number of rotation of the engine is calculated in response to the required time and when the engine speed calculated at the last time is smaller than a prescribed speed, the engine speed is calculated in response to the required time required by the crankshaft in the rotation with a bigger angle than the prescribed angle.

9. 发明专利

JPH11351112A IGNITION TIMING CONTROLLER FOR ON-VEHICLE INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH11351112A
公开(公告)日：1999-12-21
申请号：JP15628398
申请日：1998-06-04
申请人： HONDA MOTOR CO LTD
发明人： HIRAKATA YOSHIAKI , ABE MASAHIKO , IWATA YASUO
IPC分类号： F02P5/15 , F02D41/02 , F02P5/152 , F02P5/153
摘要： PROBLEM TO BE SOLVED: To prevent generation of knocking by providing a retard controlling means delaying ignition timing of an engine when it is detected that the number of engine revolutions is within a predetermined number area and a gear ratio of a transmission is a high gear ratio. SOLUTION: During driving an engine 2, a CPU 6 determines whether the number Ne of engine revolutions read from an output of a crank angle sensor 1 is within a range from a first fixed number N1 (about 1500 rpm) to a second fixed number N2 (2400 rpm) of revolutions or not. If YES is determined, a gear ratio GR of a transmission is computed from the number Ne of engine revolutions at that time and a vehicle speed VSP read from an output of a vehicle speed sensor 19. Subsequently, it is determined whether the gear ratio GR is a high gear ratio or not, and in case of a high gear ratio, it is determined that a driving condition is within a knocking generation area. Therefore, a delay quantity is set in compliance with the number Ne of engine revolutions for retard ignition timing control, and ignition timing of an ignition device 21 is controlled so as to be delayed.

10. 发明专利

JPH08296474A ELECTRONIC FUEL INJECTION CONTROLLER 失效
公开(公告)号：JPH08296474A
公开(公告)日：1996-11-12
申请号：JP9898495
申请日：1995-04-24
申请人： HONDA MOTOR CO LTD
发明人： ABE MASAHIKO , OKADA NOBUHITO
IPC分类号： F02D45/00 , F02D41/04 , F02D41/10 , F02D41/18 , F02D41/32
摘要： PURPOSE: To correct the atmospheric pressure of fuel injection quantity with high accuracy over the whole range from the low load condition to the high load condition of a multiple-throttle valve type engine. CONSTITUTION: This electronic fuel injection controller, which corrects injection quantity according to the atmospheric pressure for the basic injection quantity of fuel preset based on intake air negative pressure, is provided with atmospheric pressure correction coefficient tables 21a, 21b where atmospheric pressure correction coefficients for low load and high load KpaL, KpaH are stored setting means 21, and appropriate table selection means 21c. A load condition discriminating means 21d discriminates the load condition of an engine based on intake air negative pressure PB, selects and uses the corresponding atmospheric pressure correction coefficients KpaL, KpaH based on its discriminating output 21f. A load condition discriminating threshold computing means changes a load condition discriminating threshold PBsud, interlocking with the atmospheric pressure PA.

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