VALVE LIFTING ARRANGEMENT AND METHOD FOR OPERATING VALVE LIFTING ARRANGEMENT
    1.
    发明申请
    VALVE LIFTING ARRANGEMENT AND METHOD FOR OPERATING VALVE LIFTING ARRANGEMENT 审中-公开
    阀门提升装置和操作阀门提升装置的方法

    公开(公告)号:WO2014106689A1

    公开(公告)日:2014-07-10

    申请号:PCT/FI2014/050003

    申请日:2014-01-03

    Abstract: The valve lifting arrangement for opening an exhaust valve (1) of an internal combustion engine comprises a cam (2) having a first lobe (2b) and a second lobe (2c), a reciprocating cam follower unit (3), force transmission means (4, 6, 7, 11) for transmitting movement of the cam follower unit (3) to the exhaust valve (1), at least one hydraulic fluid chamber (5), a first piston (6) that is in mechanical connection with the cam fol- lower unit (3) for pressurizing the fluid in the chamber (5), a second piston (7) that is in mechanical connection with the exhaust valve (1) and movable by the hydraulic fluid that is pressurized by the first piston (6), means (8, 9) for introducing hydraulic fluid into the space (5, 5b, 13) between the first piston (6) and the second piston (7), and a control valve (10) for controlling outflow from the space between the first piston (6) and the second piston (7). The invention also concerns a method for operating the valve lifting arrangement.

    Abstract translation: 用于打开内燃机的排气阀(1)的阀提升装置包括具有第一凸角(2b)和第二凸角(​​2c)的凸轮(2),往复式凸轮从动单元(3),力传递装置 (4,6,7,11),用于将所述凸轮从动单元(3)的运动传递到所述排气阀(1),至少一个液压流体室(5),与所述第一活塞(6)机械连接的第一活塞 所述凸轮下部单元(3)用于对所述腔室(5)中的流体加压;第二活塞(7),其与所述排气阀(1)机械连接并且能够被所述液压流体移动,所述液压流体被所述第一 活塞(6),用于将液压流体引入到第一活塞(6)和第二活塞(7)之间的空间(5,5b,13)中的装置(8,9)和用于控制流出的控制阀(10) 从第一活塞(6)和第二活塞(7)之间的空间。 本发明还涉及一种用于操作阀提升装置的方法。

    A CONTROL ARRANGEMENT FOR GAS EXCHANGE IN A PISTON ENGINE
    2.
    发明申请
    A CONTROL ARRANGEMENT FOR GAS EXCHANGE IN A PISTON ENGINE 审中-公开
    活塞式发动机气体交换控制装置

    公开(公告)号:WO2010146229A1

    公开(公告)日:2010-12-23

    申请号:PCT/FI2010/050458

    申请日:2010-06-03

    Inventor: SUNDSTEN, Magnus

    Abstract: The invention relates to a control arrangement for gas exchange in a piston engine adapted between a cam device (5) of a camshaft (4) of the engine (1) and an inlet valve mechanism (6) arranged to open and close the inlet valve (3) in association with a cylinder of the engine, which control arrangement (7) comprises a body part (8), in which a piston device (9) is movably arranged to be in force transmission connection with the cam device (5) and the valve mechanism (6), and a guide member (10) arranged in the body part (8) between the cam device (5) and the piston device (9) to be movably responsive with the movements of cam device (5). The control arrangement includes means for adjusting timing of valve opening of the inlet valve, said means cooperating with said piston device (9).

    Abstract translation: 本发明涉及适用于发动机(1)的凸轮轴(4)的凸轮装置(5)和入口阀机构(6)之间的用于活塞式发动机中的气体交换的控制装置,所述进气阀机构(6)被布置成打开和关闭所述进气阀 (3)与发动机的气缸相关联,该控制装置(7)包括主体部分(8),活塞装置(9)可移动地布置成与凸轮装置(5)有效传递连接, 和阀机构(6)以及布置在凸轮装置(5)和活塞装置(9)之间的主体部分(8)中的引导构件(10),以随着凸轮装置(5)的运动而可移动地响应, 。 控制装置包括用于调节入口阀的开阀定时的装置,所述装置与所述活塞装置(9)配合。

    MULTI-CYLINDER PISTON ENGINE
    4.
    发明申请
    MULTI-CYLINDER PISTON ENGINE 审中-公开
    多缸活塞式发动机

    公开(公告)号:WO2012156584A1

    公开(公告)日:2012-11-22

    申请号:PCT/FI2012/050455

    申请日:2012-05-11

    Inventor: SUNDSTEN, Magnus

    CPC classification number: F01L1/08 F01L1/14 F01L1/146 F01L1/46 F02N9/04

    Abstract: The multi-cylinder piston engine (20) comprises at least one cam-operated valve lifting device (4) for each cylinder (19) of the engine (20), the valve lifting device (4) being arranged to open a gas exchange valve (24, 25), and a starting arrangement comprising a pressure medium source (18), at least one starting valve (10) for introducing pressure medium into a cylinder (19) of the engine (20), means (26) for connecting the pressure medium source (18) to the starting valves (10), and a control valve (12) for each cylinder (19) that is provided with a starting valve (10) for controlling the operation of the starting valve (10). Each control valve (12) is arranged to be operated by a gas exchange cam (1) of the respective cylinder (19).

    Abstract translation: 多气缸活塞式发动机(20)包括用于发动机(20)的每个气缸(19)的至少一个凸轮操作的气门提升装置(4),所述气门提升装置(4)设置成打开气体交换阀 (24,25),以及起动装置,包括压力介质源(18),用于将压力介质引入发动机(20)的气缸(19)中的至少一个起动阀(10),用于连接 到起动阀(10)的压力介质源(18)和用于控制起动阀(10)的操作的起动阀(10)的每个气缸(19)的控制阀(12)。 每个控制阀(12)被布置成由相应气缸(19)的气体交换凸轮(1)操作。

    A CONTROL ARRANGEMENT FOR AN INLET VALVE IN A PISTON ENGINE
    5.
    发明申请
    A CONTROL ARRANGEMENT FOR AN INLET VALVE IN A PISTON ENGINE 审中-公开
    活塞式发动机入口阀的控制装置

    公开(公告)号:WO2010125235A1

    公开(公告)日:2010-11-04

    申请号:PCT/FI2010/050285

    申请日:2010-04-09

    Abstract: The invention relates to a control arrangement for an inlet valve in a piston engine adapted between a cam device (5) of a camshaft (4) of the engine (1 ) and an inlet valve mechanism (6) arranged to open and close the inlet valve (3) in association with a cylinder of the engine, which control arrangement (7) comprises a body part (8), in which a piston device (9) is movably arranged to be in force transmission connection with the camshaft (4) and the valve mechanism (6), said body part (8) and the piston device (9) together defining a first chamber (13), into which hydraulic medium can be selectively fed, and a second chamber (19) connected to the first chamber via duct means (18,18', 18"), the flow of hydraulic medium from the first chamber (13) to the second chamber (19) being controlled for providing a delay in the closing of the inlet valve (3). The body p a r t ( 8 ) i s provided with two or more flow ducts (18a,18b,18c;18'a,18'b;18"a,18"b,18"c) for arranging different routes for the flow of hydraulic medium from the first chamber (13) to the second chamber (19). Control means (17, 17', 17") are provided for selecting the route of flow to be utilised in each case to provide different closing delay.

    Abstract translation: 本发明涉及适用于在发动机(1)的凸轮轴(4)的凸轮装置(5)和入口阀机构(6)之间的活塞式发动机中的入口阀的控制装置,所述入口阀机构布置成打开和关闭入口 阀门(3)与发动机的气缸相关联,该控制装置(7)包括主体部分(8),活塞装置(9)可移动地布置成与凸轮轴(4)有力传递连接, 和阀机构(6),所述主体部分(8)和活塞装置(9)一起限定可以选择性地供给液压介质的第一室(13),以及连接到第一室 通过管道装置(18,18',18“),液压介质从第一室(13)到第二室(19)的流动被控制以提供关闭入口阀(3)的延迟。 主体部分(8)设置有两个或更多个流动管道(18a,18b,18c; 18'a,18'b; 18“a,18”b,18“c),用于布置不同的路线 液压介质从第一室(13)到第二室(19)的流动。 提供控制装置(17,17',17“),用于选择在每种情况下使用的流动路线以提供不同的关闭延迟。

    ATTENUATOR FOR DAMPING PRESSURE FLUCTUATIONS IN A HYDRAULIC SYSTEM
    6.
    发明申请
    ATTENUATOR FOR DAMPING PRESSURE FLUCTUATIONS IN A HYDRAULIC SYSTEM 审中-公开
    用于液压系统阻尼压力波动的衰减器

    公开(公告)号:WO2008110662A1

    公开(公告)日:2008-09-18

    申请号:PCT/FI2008/050097

    申请日:2008-02-28

    Inventor: SUNDSTEN, Magnus

    Abstract: An attenuator (7) for damping pressure fluctuations in a hydraulic system, which attenuator comprises a body (8) with a chamber (9), in which a movable piston (10) loaded by a spring (11 ) is adapted, a fluid space (17) inside the chamber (9), which space is delimited by the piston surface (19) of the piston (10), an inlet conduit (13) for feeding hydraulic fluid into the fluid space (17) and an outlet conduit (15) for discharging hydraulic fluid from the fluid space (17). The flow resistance in the inlet conduit (13) is higher than the flow resistance in the outlet conduit (15).

    Abstract translation: 一种用于阻止液压系统中的压力波动的衰减器(7),该衰减器包括具有腔室(9)的主体(8),其中由弹簧(11)装载的可移动活塞(10)适于流体空间 (9)内的空间(17),该空间由活塞(10)的活塞表面(19)限定,用于将液压流体输送到流体空间(17)中的入口导管(13)和出口导管 15),用于从流体空间(17)排出液压流体。 入口管道(13)中的流动阻力高于出口导管(15)中的流动阻力。

    GAS EXCHANGE VALVE ARRANGEMENT
    7.
    发明申请
    GAS EXCHANGE VALVE ARRANGEMENT 审中-公开
    气体交换阀布置

    公开(公告)号:WO2018002409A1

    公开(公告)日:2018-01-04

    申请号:PCT/FI2016/050468

    申请日:2016-06-28

    CPC classification number: F01L9/023 F01L2800/10

    Abstract: The gas exchange valve arrangement for a piston en- gine comprises at least one gas exchange valve (1), a cam (2) for operating the valve (1), and force trans- mission means (3, 4, 5, 6, 7, 8, 9) between the cam (2) and the valve (1). The arrangement further comprises a piston (10) having a piston surface (11) delimiting a fluid chamber (12), the piston (10) being configured to be operated independently from the cam (2) by hy- draulic pressure applied to the piston surface (11) for creating opening force for additional opening of the gas exchange valve (1), a pressure medium source (13) for supplying pressure medium into the fluid chamber (12), means (14, 15, 15a) for controlling flow from the pressure medium source (13) into the fluid chamber (12), and means (14, 15, 15b) for controlling pressure release from the fluid chamber (12).

    Abstract translation: 用于活塞发动机的气体交换阀装置包括至少一个气体交换阀(1),用于操作阀(1)的凸轮(2)以及力传递装置( (2)与阀门(1)之间的连接(3,4,5,6,7,8,9)。 该装置还包括具有限定流体室(12)的活塞表面(11)的活塞(10),活塞(10)构造成通过施加到活塞上的液压压力独立于凸轮 用于产生用于附加打开气体交换阀1的打开力的表面11,用于将压力介质供应到流体腔12中的压力介质源13,用于控制流量的装置14,15,15a, 从压力介质源(13)流入流体室(12),以及用于控制从流体室(12)释放压力的装置(14,15,15b)。

    GAS EXCHANGE VALVE ARRANGEMENT AND VALVE
    8.
    发明申请
    GAS EXCHANGE VALVE ARRANGEMENT AND VALVE 审中-公开
    气体交换阀安装和阀

    公开(公告)号:WO2013132153A1

    公开(公告)日:2013-09-12

    申请号:PCT/FI2013/050229

    申请日:2013-03-04

    CPC classification number: F01L9/02

    Abstract: The gas exchange valve arrangement for an internal combustion engine comprises a gas exchange valve (1, 1'), a pressurizing chamber (9), a reciprocating piston (7) that protrudes into the pressurizing chamber (9), a receiving chamber (5, 5') that is arranged around the valve stem (1b, 1b') of the gas exchange valve (1, 1'), and a hydraulic fluid duct (6, 6') for connecting the pressurizing chamber (9) to the receiving chamber (5, 5'). A piston surface (1d, 1d') is arranged in the receiving chamber (5, 5') in connection with the valve stem (1b, 1b'), and a second piston surface (1e, 1e') is arranged in connection with the valve stem (1b, 1b') and exposed to the pressure in the gas exchange duct (2) for facilitating closing of the gas exchange valve (1, 1'). The invention also concerns a gas exchange valve (1, 1').

    Abstract translation: 用于内燃机的气体交换阀装置包括气体交换阀(1,1'),加压室(9),突出到加压室(9)中的往复活塞(7),容纳室(5) ,设置在气体交换阀(1,1')的阀杆(1b,1b')周围的液压流体管道(6,6'),用于将加压室(9)连接到 接收室(5,5')。 活塞表面(1d,1d')与阀杆(1b,1b')相连接地布置在接收室(5,5')中,并且第二活塞表面(1e,1e')与 阀杆(1b,1b')并暴露于气体交换管道(2)中的压力,以便于关闭气体交换阀(1,1')。 本发明还涉及一种气体交换阀(1,1')。

    VALVE ACTUATOR ARRANGEMENT
    9.
    发明申请
    VALVE ACTUATOR ARRANGEMENT 审中-公开
    阀门执行机构安排

    公开(公告)号:WO2013132143A1

    公开(公告)日:2013-09-12

    申请号:PCT/FI2013/050195

    申请日:2013-02-21

    CPC classification number: F01L9/02

    Abstract: The valve actuator arrangement of an engine comprises a cam-driven piston device (3), which divides a pressurizing chamber (4) into at least two sections (4a, 4b, 4c, 4d) and pressurizes hydraulic fluid in the chamber (4) for opening gas exchange valves (1, 1'). The piston device (3) is used for driving at least one additional valve (9, 10) other than a gas exchange valve (1, 1').

    Abstract translation: 发动机的阀致动器装置包括凸轮驱动的活塞装置(3),其将加压室(4)分成至少两个部分(4a,4b,4c,4d)并且对腔室(4)中的液压流体加压, 用于打开气体交换阀(1,1')。 活塞装置(3)用于驱动除气体交换阀(1,1')之外的至少一个附加阀(9,10)。

    GAS EXCHANGE VALVE ARRANGEMENT AND CYLINDER HEAD
    10.
    发明申请
    GAS EXCHANGE VALVE ARRANGEMENT AND CYLINDER HEAD 审中-公开
    气体交换阀安装和气缸盖

    公开(公告)号:WO2012104482A1

    公开(公告)日:2012-08-09

    申请号:PCT/FI2012/050080

    申请日:2012-01-30

    Abstract: A gas exchange valve arrangement for a supercharged internal combustion engine, which arrangement comprises a gas exchange valve (1) having a valve head (2) and a valve stem (3) connected to the valve head (2), the arrangement further comprising a valve spring (4) being arranged around the valve stem (3) for creating a force for closing the valve (1), a chamber (5) being arranged around the valve stem (3), and thrust means (6, 19) being attached to the valve stem (3) and being movable in the direction of the longitudinal axis of the valve stem (3) together with the gas exchange valve (1). The arrangement comprises means (7, 14) for introducing pressurized charge from an air intake duct (10) of the engine air into the chamber (5) between the thrust means (6, 19) and the inner end of the chamber (5) for assisting in keeping the valve (1) closed. The invention also concerns a cylinder head (9).

    Abstract translation: 一种用于增压内燃机的气体交换阀装置,该装置包括具有连接到阀头(2)的阀头(2)和阀杆(3)的气体交换阀(1),该装置还包括 阀弹簧(4)围绕阀杆(3)布置以产生用于关闭阀(1)的力,围绕阀杆(3)布置的腔室(5),以及推力装置(6,19) 连接到阀杆(3)并且可以与气体交换阀(1)一起在阀杆(3)的纵向轴线方向上移动。 该装置包括用于将来自发动机空气的进气管道(10)的加压气体引入推进装置(6,19)和腔室(5)的内端之间的腔室(5)中的装置(7,14) 用于辅助保持阀(1)关闭。 本发明还涉及一种气缸盖(9)。

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