Controller and control method for engine

    公开(公告)号:US11852086B2

    公开(公告)日:2023-12-26

    申请号:US18186208

    申请日:2023-03-20

    摘要: An engine includes water injection valves that inject water to intake ports connected to a cylinder. A controller for the engine is configured to selectively execute, for each of the intake ports, a synchronous injection that causes the water injection valve to inject water only during a valve opening period of the intake valve and an asynchronous injection that causes the water injection valve to inject water during a valve closing period of the intake valve. The controller is configured to perform, when executing a synchronous/asynchronous concurrent injection in which the intake ports includes an intake port in which the synchronous injection is executed and an intake port in which the asynchronous injection is executed, a switching process of switching the intake port in which the asynchronous injection is executed.

    Engine and intake system thereof
    6.
    发明授权

    公开(公告)号:US11098682B2

    公开(公告)日:2021-08-24

    申请号:US15541270

    申请日:2015-12-22

    发明人: Yun Zhao

    摘要: An intake system of engine comprises an intake pipe (8), an air intake manifold (6), and an auxiliary intake assembly (4) disposed on the intake pipe (8) and located before the air intake manifold (6) of an engine. The auxiliary intake assembly (4) comprises an auxiliary air inlet passage, an auxiliary air outlet passage (21), and a central passage (39). Air enters through the auxiliary air inlet passage, comes out from the auxiliary air outlet passage (21) and enters the central passage (39), so as to be mixed with air from the intake pipe (8). The present invention further relates to an engine intake system, comprising an electronic booster (4″) located upstream of the air intake manifold (6) of an engine. An air flow enters from an air inlet (4241″), flows out from an air outlet (4242″), is mixed with air that flows through the intake pipe (8), and then is inhaled into a cylinder of the engine. The present invention further relates to a engines comprising the above intake systems. These intake systems and engines can effectively reduce discharge, reduce fuel consumption, improve engine efficiency, improve a low-speed torque feature of the engines, and improve a low temperature cold start effect of the engines.

    VEHICLE SYSTEM AND METHOD FOR INJECTING AN AQUEOUS SOLUTION IN THE COMBUSTION CHAMBER OF THE INTERNAL COMBUSTION ENGINE

    公开(公告)号:US20210148308A1

    公开(公告)日:2021-05-20

    申请号:US16627625

    申请日:2018-07-04

    IPC分类号: F02M25/028 F02M25/022

    摘要: The present invention relates to a vehicle system (80) configured for injecting an aqueous solution in an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine, or in the combustion chamber (14) of the internal combustion engine, said vehicle system (80) comprising the following constituents: ⋅a tank (16) to store an aqueous solution; ⋅a pump (18); ⋅an air intake line (12) upstream of a combustion chamber (14) of an internal combustion engine; ⋅one or more injectors (20) configured for injecting aqueous solution in the air intake line (12), in the combustion chamber (14) or both; ⋅a feed line (22) configured in for feeding said injector (20) with aqueous solution pumped by the pump (18). In the vehicle system, at least a portion of at least one of the vehicle system constituents (16, 18, 12, 20, 22) or of a tank (16) component (24) is made of a polymer material. The polymer material—comprises an effective amount of at least one antimicrobial agent, or—has on its surface a surface coating containing at least one antimicrobial agent, the surface coating comprising between 0.001% by weight and 0.25% by weight of the at least one antimicrobial agent.

    Ashing a particulate filter in a motor vehicle

    公开(公告)号:US11002168B2

    公开(公告)日:2021-05-11

    申请号:US16968205

    申请日:2019-03-13

    发明人: Nikita Peters

    摘要: A method is provided for operating an internal combustion engine in a motor vehicle, The internal combustion engine has at least one cylinder with a combustion chamber, a water injection unit with a tank and at least one injection nozzle for directly or indirectly injecting water into the combustion chamber, an exhaust gas system with at least one exhaust gas catalytic converter and a particulate filter device which has a particulate filter for filtering particles out of an exhaust gas flow guided in the exhaust gas system. A control unit is provide for a state monitoring process and for controlling the combustion in the cylinder.

    Motor vehicle with liquid container

    公开(公告)号:US10914270B2

    公开(公告)日:2021-02-09

    申请号:US16574385

    申请日:2019-09-18

    摘要: A motor vehicle includes a liquid container for receiving an operating liquid, a cooling circuit for cooling a drive motor of the motor vehicle via a cooling liquid circulating in the cooling circuit, at least one heating coil arranged in the liquid container, the heating coil being operatively attached to the cooling circuit so that the cooling liquid is to flow through the heating coil and thereby heat the operating liquid, and a connection line operatively attached to the cooling circuit to thereby form a secondary circuit through which the cooling liquid is to flow, wherein the heating coil is arranged in the secondary circuit.