摘要:
An air intake arrangement for an internal combustion engine comprising: a main air intake conduit leading to a gas intake valve (241) for respective engine cylinders (206) and including a main air intake passage (202), a main collector chamber (204) and independent branching air intake passages (205) for the respective engine cylinders (206) connected in series; a throttle valve (203) disposed in the main intake air passage (202) for controlling the flow rate of air passing therethrough; an auxiliary air intake passage (210) bypassing the main air intake conduit, wherein an inlet port of the auxiliary air intake passage (210) opens into the main air intake passage (202) at the upstream of the throttle valve (203), and an outlet port (213) of the auxiliary air intake passage (210) opens into the respective independent branching air intake passage (205) near the gas intake valve (241) for the respective engine cylinders (206) in such a manner that gas blown-out from the auxiliary air intake passage (210) induces a gas swirl in the respective engine cylinders (206); an intake air control valve (211) disposed in the auxiliary air intake passage (210) for controlling the flow rate of air passing therethrough; and a control unit (222) which determined determines an operating condition of the internal combustion engine and controls an opening degree of the intake air control valve (211) based on the determined engine operating condition.
摘要:
In an engine using various kinds of fuels, the nature of the fuel to be supplied to the engine is detected, and based on this detection result, a theoretical air-fuel ratio is found. Then, using it as a target air-fuel ratio, the amount of supply of the fuel is controlled, and therefore even when the nature of the fuel is changed, an accurate air-fuel ratio control can be made.
摘要:
A drive system composed of an engine and a transmission is controlled in accordance with a desired wheel toque corresponding to a position of an accelerator, and a present vehicle speed in such a way that a speed ratio of the transmission is determined in consideration with torque factors such as an air-fuel ratio on the engine side, thereby it possible to optimize the control in order to reduce the emission of exhaust substance such as NOx and to enhance the acceleration performance and the fuel economy.
摘要:
A fuel injection valve comprising, a fuel swirler (6) providing a swirling force to fuel, a fuel nozzle (5) injecting the swirling fuel, an air swirler (7) including an air swirling chamber (7B) and air nozzles (7A) disposed downstream the fuel nozzle (5) adjacent the outlet port (7C) thereof, the air nozzles (7A) are constituted to introduce air into the air swirling chamber (7B) and to cause a swirling air flow therein directed opposite to the direction of the swirling fuel flow from the fuel nozzle (5) whereby the swirling air flow is caused to collide with the swirling fuel flow immediately after being injected from the fuel nozzle (5) in the air swirling chamber (7B) to thereby enhance atomization of the fuel and to properly decelerate the moving velocity of the injected atomized fuel.
摘要:
An engine exhaust gas recirculation system has an intake passage (2) connected to feed an air/fuel mixture to an internal combustion engine and an exhaust passage (1) connected to discharge an exhaust gas from the internal combustion engine. An exhaust gas recirculation passage (3) is provided for feeding a portion of the exhaust gas of the exhaust passage into a cylinder of the engine such that a laminar distribution is produced in the cylinder formed by air/fuel mixture adjacent to the ignition plug and the recirculated exhaust gas distributed about the air/fuel mixture. The exhaust gas recirculation passage may open in the vicinity of an intake valve of the engine or open into the cylinder above the bottom dead center of the piston. The flow of recirculated exhaust gas may be controlled by pressure, for example by the inlet and exhaust valves of the engine and/or by a pressure control valve (31, 34). Alternatively, the exhaust gas recirculation may be controlled in a multicylinder engine by a distributor (20) which may be controlled by an engine "roughness" control signal. The EGR may be computed from outputs of an air flow sensor (7) and an intake manifold pressure sensor (50).
摘要:
A drive system composed of an engine and a transmission is controlled in accordance with a desired wheel toque corresponding to a position of an accelerator, and a present vehicle speed in such a way that a speed ratio of the transmission is determined in consideration with torque factors such as an air-fuel ratio on the engine side, thereby it possible to optimize the control in order to reduce the emission of exhaust substance such as NOx and to enhance the acceleration performance and the fuel economy.
摘要:
A drive system composed of an engine and a transmission is controlled in accordance with a desired wheel toque corresponding to a position of an accelerator, and a present vehicle speed in such a way that a speed ratio of the transmission is determined in consideration with torque factors such as an air-fuel ratio on the engine side, thereby it possible to optimize the control in order to reduce the emission of exhaust substance such as NOx and to enhance the acceleration performance and the fuel economy.
摘要:
An injection port of a fuel injection valve is provided in the combustion chamber, an ignition source is provided in the vicinity of the injection port, a fuel-air mixture is ignited after fuel is injected from the fuel injection valve, and the energy of fuel jet flow is used so that the resulting flame may be carried on the fuel jet flow, thereby to elevate the penetration force, whereby the flame is dispersed in the combustion chamber.
摘要:
An air intake arrangement for an internal combustion engine comprising: a main air intake conduit leading to a gas intake valve (241 ) for respective engine cylinders (206 ) and including a main air intake passage (202 ), a main collector chamber (204 ) and independent branching air intake passages (205) for the respective engine cylinders (206) connected in series; a throttle valve (203 ) disposed in the main intake air passage (202 ) for controlling the flow rate of air passing therethrough; an auxiliary air intake passage (210 ) bypassing the main air intake conduit, an inlet port of the auxiliary air intake passage (210 ) opens into the main air intake passage (202) at the upstream of the throttle valve (203 ), an outlet port (213 ) of the auxiliary air intake passage (210 ) opens into the respective independent branching air intake passages (205) near the gas intake valve (241) for the respective engine cylinders (206 ) in such a manner that gas blown-out from the auxiliary air intake passage (210 ) induces a gas swirl in the respective engine cylinders (206); an intake air control valve (211) disposed in the auxiliary air intake passage (210 ) for controlling the flow rate of air passing therethrough; and a control unit (222) which determined an operating condition of the internal combustion engine and controls an opening degree of the intake air control valve (211) based on the determined engine operating condition.
摘要:
A vehicle control apparatus and method therefor has a number of controllers (50, 63, 56) interconnected with one another by a data highway (10), the engine controllers being formed for example by a CPU. The engine controllers are each connected to a sensor for sensing a vehicle parameter and the controllers are also connected to a respective actuator (53, 58) for varying the associated vehicle parameter. The apparatus is arranged so that the controllers operate in cooperation with one another so that two or more controllers cooperate to control the same object or purpose. As an example (shown in FIG. 20) an engine controller (50) provides torque data to a transmission controller (63) which in turn provides data to a throttle controller (56), whereby a gear shift is effected by the transmission controller (63) in synchronism with the throttle controller (56) changing the position of a throttle actuator so that a jerk-free gear shift is effected. In another embodiment (shown in FIG. 33) an engine controller (50) cooperates with a throttle controller (56) and a suspension controller (64) whereby data from the engine controller determining whether the vehicle is accelerating or braking is transmitted to the throttle controller (56) and the suspension controller (64) and the throttle position is adjusted in synchronism with the suspension controller (64) for adjusting the front-back ride height of the vehicle. Thus, for example, when the vehicle is braking, the throttle controller closes the throttle and the suspension controller increases the ride height of the front dampers and reduces the ride height of the rear dampers. Other embodiments control ignition timing and fuel injection in cooperation with gear shift (FIG. 37), control fuel injection pulse width and ignition timing in cooperation with a knock detector controller (FIG. 49), and upon detection of abnormal data received from sensors display a warning of the abnormality, and in the event of seriously abnormal data being detected transmits a pseudo signal to ensure that the vehicle keeps running.