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1. 发明专利

JPH03117667A DISTRIBUTION TYPE FUEL INJECTION PUMP 失效
公开(公告)号：JPH03117667A
公开(公告)日：1991-05-20
申请号：JP25238489
申请日：1989-09-29
申请人： TOYOTA MOTOR CORP , NIPPON DENSO CO
发明人： KAWAGOE MICHIO , NAKAMURA NORIHIKO , FUKUYAMA TADASHI , KAMOSHITA SHINJI , UMEHANA TOYOICHI , NAKAE KOICHI , NAKAJIMA TATSUSHI
IPC分类号： F02M41/12
摘要： PURPOSE:To prevent the occurrence of one-sided wear to the cylinder of a pump plunger by a method wherein a two-piece set distribution port is formed in the plunger, and four distribution passages communicated to the distribution port are formed in the cylinder. CONSTITUTION:A two-piece set distribution port 8 extending through the axis of a pump plunger 6 and opened to the peripheral side surface of the plunger 6 is located in the plunger 6. Four distribution passages 9 communicated with the distribution port 8 along with rotation of the plunger 6 is formed in a cylinder 11. The distribution passages 9 are arranged with a distance between the adjoining distribution passages, in order, in a 45 deg. arc, a 90 deg. arc, a 135 deg. arc, and a 90 deg. arc in the peripheral direction of the cylinder 11. This constitution prevents one-sided contact of the plunger due to a hydraulic reaction force and prevents one-sided wear of the cylinder.

2. 发明专利

JPS63208630A FUEL INJECTION RATE CONTROL DEVICE 失效
公开(公告)号：JPS63208630A
公开(公告)日：1988-08-30
申请号：JP4117587
申请日：1987-02-24
申请人： NIPPON DENSO CO , TOYOTA MOTOR CORP
发明人： NAKAJIMA TATSUSHI , MATSUMURA TOSHIMI , SUMIYA SHINYA , IBUKI NORITAKA , KOBAYASHI FUMIAKI
IPC分类号： F02M45/00 , F02D1/02 , F02M41/12
摘要： PURPOSE:To perform adequate pilot injection, forming constitution in small size by providing a small chamber communicating with a pump chamber and large changing its substantial accumulating amount through a slight amount of changing the volume of an electrostrictive type actuator. CONSTITUTION:A housing 21 of an injection rate control device 3 is mounted to a casing 4 of an injection pump main unit 1 by a thread 22. And forming a cylinder bore 24 in the inside of the housing 21, the control device 3 inserts a stepped piston 25 to be slidably fitted to the cylinder bore 24 while forms a chamber 26 between both these cylinder bore 24 and stepped piston 25. While the device 3 provides a through hole 27, through which a high pressure chamber 2 of the injection pump main unit 1 communicates with the chamber 26, to be drilled in a bottom wall 23 of the housing 21 further constitutes an opening and closing valve by a seating edge 28 of the through hole 27 and a conical surface 29 of the stepped piston 25. On the other hand, the control device 3 provides a recess 31 in a large contour part of the stepped piston 25, inserting an electrostrictive type actuator 32 into this recess 31.

3. 发明专利

JP2006329158A Controller for spark ignition type cylinder injection type internal combustion engine 审中-公开
标题翻译：火花点火型喷射式内燃机控制器
公开(公告)号：JP2006329158A
公开(公告)日：2006-12-07
申请号：JP2005157551
申请日：2005-05-30
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： SHIGENAGA MASAHIRO , NAKAJIMA TATSUSHI , WATANABE MASAHIRO , MASUBUCHI MASAHIKO , NOMURA HIROSHI
IPC分类号： F02D41/34 , F02D41/22 , F02D43/00 , F02D45/00 , F02P5/152 , F02P5/153
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To provide a controller for a spark ignition type cylinder injection type internal combustion engine capable of making maintaining sufficient torque and avoiding knocking compatible while suppressing exhaust of smoke. SOLUTION: This controller for the spark ignition type cylinder injection type internal combustion engine provided with a fuel injection valve 20 for injecting fuel into a combustion chamber 18 directly is provided with a knocking detection means 64 for detecting occurrence of knocking, an ignition time deviation acquiring means for acquiring "deviation" of actual ignition time when occurrence of knocking is detected by the knocking detection means and an inferred optimum ignition time under the operation conditions, and a fuel injection change control means for dividing and injecting fuel injection from the fuel injection valve 20 into a suction process and a compression process and changing and controlling at least one of injection pressure, injection time, and injection ratio based on the "deviation" acquired by the ignition time deviation acquiring means. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在抑制烟雾排放的同时保持足够的扭矩并避免爆震的火花点火式气缸喷射型内燃机的控制器。具有用于直接向燃烧室18内喷射燃料的燃料喷射阀20的火花点火式气缸喷射型内燃机的控制装置设有用于检测爆震发生的爆震检测装置64，点火时间偏差获取装置，用于在操作条件下检测到爆震检测装置检测到爆震发生时的实际点火时间的偏差和在操作条件下的推定的最佳点火时间;以及燃料喷射改变控制装置，用于从燃料喷射燃料喷射阀20进入吸入过程和压缩过程，并且基于由点火时间偏差获取装置获取的“偏差”来改变和控制喷射压力，喷射时间和喷射比中的至少一个。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005337102A Fuel injection control system of internal combustion engine 有权
标题翻译：内燃机燃油喷射控制系统
公开(公告)号：JP2005337102A
公开(公告)日：2005-12-08
申请号：JP2004156599
申请日：2004-05-26
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： MORI KATSUYUKI , NAKAJIMA TATSUSHI , UMASAKI MASATOSHI , OTANI MOTOKI
IPC分类号： F02M45/02 , F02D41/02 , F02D41/04 , F02D41/34 , F02D45/00 , F02M63/00
CPC分类号： F02D41/10 , F02D41/12 , F02D41/3094 , F02D41/34 , F02D41/402 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection control system of an internal combustion engine by which at the time when the fuel injection quantity of an injector for intake-pipe injection is increased, degradation of exhaust emission is favorably restrained in the internal combustion engine provided with the injector for intake-pipe injection and an injector for cylinder injection of fuel.
SOLUTION: The internal combustion engine includes an injector for intake-pipe injection for injecting fuel in the intake path, and the cylinder-injection injector for making direct fuel-injection in a combustion chamber. The ratio of fuel-injection injected from each injector is variably set on the basis of conditions of engine-operation conditions. At the time when a fuel-injection quantity of the injector for the intake-injection is increased in accordance with changes in engine-operation conditions, a preliminary injection (fuel injection at time t4)is conducted prior to the real injection (fuel injection at time t5) for conducting injection of fuel in the quantity in accordance with the engine-operation conditions.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种内燃机的燃料喷射控制系统，通过该燃料喷射控制系统，在进气管喷射的喷射器的燃料喷射量增加时，有利地抑制废气排放的劣化设置有用于进气管喷射的喷射器的内燃机和用于气缸喷射燃料的喷射器。解决方案：内燃机包括用于在进气路径中喷射燃料的进气管喷射的喷射器和用于在燃烧室中直接燃料喷射的气缸喷射注射器。基于发动机运转条件的条件可变地设定从每个喷射器喷射的燃料喷射的比例。在根据发动机运转条件的变化使进气喷射器的燃料喷射量增加的时刻，在实际喷射（燃料喷射）之前进行预喷射（时刻t4时的燃料喷射）时间t5），用于根据发动机操作条件以数量喷射燃料。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005180390A Auxiliary injection device of internal combustion engine and controller of auxiliary fuel injection device 有权
标题翻译：内燃机辅助喷油装置及辅助燃油喷射装置控制器
公开(公告)号：JP2005180390A
公开(公告)日：2005-07-07
申请号：JP2003425424
申请日：2003-12-22
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： MORI KATSUYUKI , NAKAJIMA TATSUSHI , OTANI MOTOKI
IPC分类号： F02M61/18 , F02B27/02 , F02D41/06 , F02M35/104 , F02M69/00 , F02N19/00 , F02N99/00
CPC分类号： F02N19/001 , F02D41/064 , F02D41/3094
摘要： PROBLEM TO BE SOLVED: To increase cold startability in an internal combustion engine having a variable intake tube length system.
SOLUTION: This auxiliary fuel injection device comprises two surge tanks 100 partitioned by a wall surface 105, a butterfly type open/close valve 102 for switching the two surge tanks 100 between communication and non-communication, and an auxiliary fuel injection valve 101 injecting an auxiliary fuel in the reverse direction of the flow direction of an intake air in the surge tanks 100. The butterfly type open/close valve 102 comprises a valve plate surface closing an opening part opened in a surge tank wall surface 105 and a rotating shaft rotating the the valve plate surface. The auxiliary fuel injection valve 101 comprises two injection holes communicating with each other which inject the auxiliary fuel in the direction of the valve plate surface of the butterfly type open/close valve 102 and in the direction of the surge tank wall surfaces 105.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提高具有可变进气管长度系统的内燃机的冷启动性。解决方案：该辅助燃料喷射装置包括由壁面105分隔的两个缓冲罐100，用于在通信和非通信之间切换两个缓冲罐100的蝶形开/关阀102和辅助燃料喷射阀 101在缓冲罐100中与进气的流动方向相反的方向喷射辅助燃料。蝶形开/关阀102包括关闭在缓冲罐壁表面105中打开的开口部分的阀板表面和旋转轴旋转阀板表面。辅助燃料喷射阀101包括彼此连通的两个喷射孔，该喷射孔沿着蝶形打开/关闭阀102的阀板表面的方向并沿着缓冲罐壁表面105的方向喷射辅助燃料。
版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2002231414A SPARK PLUG FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JP2002231414A
公开(公告)日：2002-08-16
申请号：JP2001027847
申请日：2001-02-05
申请人： NIPPON SOKEN , TOYOTA MOTOR CORP
发明人： NAKAJIMA TATSUSHI , SAITO KIMITAKA , KATO TAKEHIKO , ABE SHIZUO
IPC分类号： F02P13/00 , H01T13/14 , H01T13/20 , H01T13/46 , H01T13/52
摘要： PROBLEM TO BE SOLVED: To reconcile ignitability and durability by maintaining the excellent ignitability even at discharge time to either earth electrode, and aerially discharging to the first earth electrode without blowing away a discharge spark by a gas flow in a spark plug having the first and second earth electrodes for ordinary time and carbon fouling time. SOLUTION: An insulating insulator 3 for holding the outer periphery of a central electrode 4 is supported in a cylindrical installing metal fitting 2 in a state of exposing a tip part. The the installing metal fitting 2 is provided with the first earth electrode 5 for forming a first discharge gap A between the electrode and a tip surface of the central electrode 4, and the second earth electrodes 6 and 7 for forming a second discharge gap B between the electrodes and a small diameter part 3c of the insulating insulator 3. When a shaft directional distance between a lower end surface of the insulating insulator 3 and a lower end surface of the installing metal fitting 2 is C, a shaft directional distance between the lower end surface of the insulating insulator 3 and the lower end edge of the second earth electrodes 6 and 7 is D, and a shaft directional distance between the lower edge of the second earth electrodes 6 and 7 and the lower end surface of the installing metal fitting 2 is E, the distances C, D and E are set so as to satisfy 1 mm

7. 发明专利

JP2002221127A FUEL INJECTION VALVE 失效
公开(公告)号：JP2002221127A
公开(公告)日：2002-08-09
申请号：JP2001018729
申请日：2001-01-26
申请人： NIPPON SOKEN , TOYOTA MOTOR CORP
发明人： KOSUGE HIDEAKI , SAITO KIMITAKA , NAKAJIMA TATSUSHI , ABE SHIZUO
IPC分类号： F02M61/18
摘要： PROBLEM TO BE SOLVED: To extend the period of existence of combustible air-fuel mixture at an ignition plug part, to increase the optionality of an ignition timing under an engine control condition by enlarging an ignitable period, and to enable the execution of an operation under a condition aiming for a high output, low fuel consumption, and low emission are aimed. SOLUTION: By forming a fuel injection valve such that the shape of an injection nozzle 2 to inject fuel is in a flat slit shape and formed in a bilateral asymmetrical shape, a difference is made to be formed in an arrival period in which the spray arrives at a plug 6 for igniting the right and left spray relative to the fuel injection direction. Further, a plurality of flat slit-form injection nozzles are formed so as to change the alignment thereof different in right and left.

8. 发明专利

JPH11303721A IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH11303721A
公开(公告)日：1999-11-02
申请号：JP11551398
申请日：1998-04-24
申请人： NIPPON SOKEN , TOYOTA MOTOR CORP
发明人： NAKAJIMA TATSUSHI , SAITO KIMITAKA , MORISHIMA SHINGO , KOBAYASHI TATSUO
IPC分类号： F02P3/01 , F02D41/02 , F02D41/30 , F02P9/00
摘要： PROBLEM TO BE SOLVED: To provide an ignition device capable of ensuring good ignitability without causing deterioration of fuel consumption, in a cylinder injection gasoline engine performing stratified combustion. SOLUTION: Since combustion is performed by forming a lean mixture in a combustion chamber total unit with a combustible mixture formed only around a spark plug 20 at stratified combustion time, apprehension of a misfire is provided unless the combustible mixture is formed around the spark plug 20 in the discharge timing. Here, ignition is ensured by relatively lengthening a discharge period at stratified combustion time and energy consumption is reduced by shortening the discharge period at homogeneous combustion time. For the purpose above, the timing of a high voltage applying device 30 for starting and ending supply of high voltage to the spark plug 20 is most suitably controlled by an engine control unit 40 in accordance with an operation condition detected by an engine operation condition detection means 50.

9. 发明专利

JPH08277764A FUEL INJECTION SYSTEM 失效
公开(公告)号：JPH08277764A
公开(公告)日：1996-10-22
申请号：JP7877295
申请日：1995-04-04
申请人： NIPPON DENSO CO
发明人： FURUHASHI TSUTOMU , NAKAJIMA TATSUSHI
IPC分类号： F02M47/00 , F02M55/02 , F16L55/04
摘要： PURPOSE: To attenuate pressure wave easily with simple constitution, and control the term of injection, the amount of injection, or injection rate with high accuracy. CONSTITUTION: An orifice 20 is made in the vicinity of the accumulation chamber 5a of a first fuel passage 4a made in each branch supply pipe 4. The pressure wave generated by the opening and closing of an injection valve 2 is reflected partially at the orifice 20, and other components are reflected, with their phases inverted by the sectional area magnifying action at the boundary between the first fuel passage 4a and the accumulation chamber 5a. Since the distance between the orifice 20 and the boundary is smaller enough than the wavelength of the pressure wave, these two reflected waves absorb shock with each other with the phase difference of approximately 180 deg., the pressure waves are attenuated. Moreover, the pressure wave propagated from the accumulation chamber 5a the other injection valve 2 is attenuated while it permeate through the orifice two times. Therefore, this can reduce the injection period of the injection valve being changed by the pressure wave generated by the opening and closing of the injection valve.

10. 发明专利

JPH07139450A FUEL INJECTION DEVICE 失效
公开(公告)号：JPH07139450A
公开(公告)日：1995-05-30
申请号：JP28334493
申请日：1993-11-12
申请人： NIPPON DENSO CO
发明人： FURUHASHI TSUTOMU , NAKAJIMA TATSUSHI
IPC分类号： F02M47/00 , F02M55/02
摘要： PURPOSE:To stabilize fuel injection with a simple piping structure by connecting branched supply pipes for fuel to an end of a common rail, specifying the ratio between the lengths, and thereby cancelling the pressure pulses which are propagated therethrough for attenuating pulsative motion. CONSTITUTION:Fuel which is controlled by solenoid valves 3 is injected from injection valves 2 into combustion chambers in cylinders of an engine 1. The fuel is intaken from a fuel tank 9 by means of a low pressure supply pump 10, and pressurized by means of a high pressure supply pump 8. The fuel is then press fed to a common rail (high pressure accumulator pipe) 5 through a supply pipe 6, and supplied to the injection valves 2 through branched supply pipes 4. In this case, the branched pipes 4 are connected to an end of the common rail 5. A ratio between the length of the common rail 5 and each branched pipe 4 is specified between 0.8 and 1.2. Pressure pulses of the branched pipes and the common rail 5 are cancelled, for attenuating pulsative motion.

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