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    AUXILIARY CHAMBER GAS ENGINE AND METHOD FOR CONTROLLING OPERATION OF SAME
    1.
    发明公开
    AUXILIARY CHAMBER GAS ENGINE AND METHOD FOR CONTROLLING OPERATION OF SAME 审中-公开

    公开(公告)号：EP3392487A1

    公开(公告)日：2018-10-24

    申请号：EP16886541.8

    申请日：2016-12-27

    Applicant: Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.

    Inventor： KOSHIBA, Yuki ,  YOSHIZUMI, Hiroshi

    IPC: F02D19/02 ,  F02B19/10 ,  F02B19/12 ,  F02D45/00 ,  F02M21/02

    CPC classification number: F02B19/10 ,  F02B19/1085 ,  F02B19/12 ,  F02B43/00 ,  F02D19/023 ,  F02D19/024 ,  F02D19/027 ,  F02D35/027 ,  F02D41/0027 ,  F02M21/0218 ,  F02M21/0239 ,  F02M21/0242 ,  Y02T10/125 ,  Y02T10/32

    Abstract: A precombustion-chamber type gas engine, comprising includes: a check valve disposed in the precombustion-chamber gas supply passage and configured to block a backflow of fuel gas from a precombustion chamber; a supply pressure control valve which is disposed on an upstream side of the check valve in the precombustion-chamber gas supply passage and which is capable of adjusting a pressure of the fuel gas to be supplied to the precombustion chamber; a torch strength information acquisition device configured to obtain torch strength information correlated to strength of a torch from the injection nozzle, on the basis of a pressure in the main chamber and a pressure in the precombustion chamber; a precombustion-chamber gas supply amount calculation device configured to calculate an amount of the fuel gas to be supplied to a precombustion-chamber gas supply amount, on the basis of the torch strength information and correlation information representing a correlation between the torch strength information, a thermal efficiency, and the precombustion-chamber gas supply amount; and a precombustion-chamber gas supply pressure control device configured to control the supply pressure control valve on the basis of the precombustion-chamber gas supply amount calculated by the precombustion-chamber gas supply amount calculation device.

    CONTROL VALVE
    5.
    发明公开
    CONTROL VALVE 审中-公开
    控制阀

    公开(公告)号：EP3026312A1

    公开(公告)日：2016-06-01

    申请号：EP14829248.5

    申请日：2014-06-24

    Applicant: KYB Corporation

    Inventor： NAKAMURA, Yoshinari

    IPC: F16K47/02 ,  F16K1/34 ,  F16K15/06

    CPC classification number: F16K47/04 ,  F02M21/0221 ,  F02M21/0242 ,  F16K1/38 ,  F16K1/385 ,  F16K15/063 ,  Y02T10/32

    Abstract: A control valve includes a seat portion through which the fluid passes, a poppet which has a valve body portion and is configured to move relative to the seat portion, and a poppet throttle passage defined between the seat portion and the valve body portion. The poppet throttle passage is formed to gradually increase a flow passage area in a horizontal cross-section perpendicular to center axes of the seat portion and the valve body portion from an upstream side to a downstream side.

    Abstract translation: 控制阀包括流体通过其中的座位部分，具有阀体部分并构造成相对于座位部分移动的提升阀以及限定在阀座部分和阀体部分之间的提升阀节流通道。 提动阀节流通路形成为从上游侧朝向下游侧，在与座部和阀体部的中心轴垂直的水平截面上的流路面积逐渐增大。

    GAS ENGINE
    7.
    发明公开
    GAS ENGINE 有权
    燃气发动机

    公开(公告)号：EP2372135A4

    公开(公告)日：2015-10-14

    申请号：EP09835069

    申请日：2009-12-25

    Applicant: MITSUBISHI HEAVY IND LTD

    Inventor： ISHIDA MICHIYASU ,  MAEHATA KIMIHIKO

    IPC: F02M21/02 ,  F01P3/16 ,  F02B19/10 ,  F02B19/12 ,  F02F1/24 ,  F02P13/00

    CPC classification number: F02B19/108 ,  F01P3/16 ,  F02B19/1009 ,  F02B19/12 ,  F02F1/243 ,  F02M21/0233 ,  F02M21/0242 ,  F02M21/0254 ,  F02M21/0269 ,  F02M21/0275 ,  F02P13/00 ,  Y02T10/125 ,  Y02T10/32

    Abstract: Provided is a gas engine having a spark plug provided with a pre-combustion chamber and a check valve, the gas engine, in which the check valve is arranged in the neighborhood of the pre-combustion chamber, being capable of preventing adhesion of a solenoid controlled valve provided at an upstream side of the check valve due to soot accumulation, and dead volume in a fuel inlet passage. In a gas engine in which fuel gas is supplied to the pre-combustion chamber through the fuel gas inlet passage and the fuel gas supplied in the pre-combustion chamber is ignited by spark discharge at the spark plug that is fitted to a mounting hardware piece via a seat surface, a solenoid valve for performing open-close control of the fuel gas is provided, and a first check valve is also provided posterior to a discharge side of the solenoid valve so as to prevent back flow of the combustion gas from the pre-combustion chamber to the solenoid controlled valve.

    CHECK VALVE FOR INJECTING GAS
    10.
    发明公开
    CHECK VALVE FOR INJECTING GAS 有权
    RüCKSCHLAGVENTILZUM EINBLASEN VON GAS

    公开(公告)号：EP2816217A1

    公开(公告)日：2014-12-24

    申请号：EP12868583.1

    申请日：2012-12-21

    Applicant: Hyundai Heavy Industries Co., Ltd.

    Inventor： LEE, Dae-jin ,  JUNG, Dae-yeoul ,  KIM, Sung-hyeok ,  HEO, Kwang-cheol ,  KIM, Jong-suk

    IPC: F02M61/04 ,  F02M61/16 ,  F02M61/20 ,  F02M21/02

    CPC classification number: F16K31/485 ,  F01L3/08 ,  F02B19/108 ,  F02B19/12 ,  F02M21/0242 ,  F02M21/0251 ,  F02M21/0269 ,  F02M21/0275 ,  F02M61/20 ,  F16K3/24 ,  F16K27/0209 ,  F16K31/44 ,  Y02T10/125 ,  Y02T10/32

    Abstract: The present invention relates to a check valve for injecting gas, which enables smooth injection of gas, improved productivity by allowing quick and simple disassembly and assembly, an increased usage life by providing enhanced durability by means of minimizing abrasion of main parts, and prevention of backflow of uncombusted gas. The check vale for injecting gas, according to the present invention comprises: an integrally formed body provided with a corrugated portion having a diameter smaller than other areas on an outer surface of an upper portion of a gas flow hole; an integrally formed spindle which perpendicularly penetrates the body, and is provided with a corrugated portion having a diameter smaller than other areas on an outer surface of a lower portion of the gas flow hole of the body; a spring which penetrates an upper end portion of the spindle; a spring seat for fixing the spring penetrating the upper end portion of the spindle and for guiding the spindle to a perpendicular position; a coupling ring, which is coupled to an upper end of the body, for fixing the body to a prechamber; and a spacer, which is coupled to a lower end of the body, for fixing the lower end of the body that covers an outer edge of the spindle to the prechamber.

    Abstract translation: 本发明涉及一种用于喷射气体的止回阀，其通过允许快速和简单的拆卸和组装允许气体的平稳喷射，提高生产率，通过提供增强的耐用性，通过最小化主要部件的磨损，以及防止 未燃气的回流。 根据本发明的用于喷射气体的止回阀包括：整体成型体，其设置有在气体流通孔的上部的外表面上的直径小于其它区域的波纹状部分; 垂直地穿过主体的整体形成的主轴，并且在本体的气体流通孔的下部的外表面上设置有直径小于其他区域的波纹状部分; 穿过主轴的上端部的弹簧; 弹簧座，用于固定穿过主轴的上端部分的弹簧，并将主轴导向垂直位置; 联接环，其联接到主体的上端，用于将身体固定到预制室; 以及间隔件，其联接到主体的下端，用于将覆盖主轴的外边缘的主体的下端固定到前房。

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