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    • 21. 发明申请
    • FUEL SYSTEM FOR INTERNAL COMBUSTION ENGINE AND A METHOD TO LESSEN PRESSURE FLUCTUATIONS IN A FUEL FILTER DEVICE IN A FUEL SYSTEM.
    • 用于内燃机的燃料系统和用于在燃料系统中的燃料过滤装置中检测压力波动的方法。
    • WO2016007066A1
    • 2016-01-14
    • PCT/SE2015/050681
    • 2015-06-12
    • SCANIA CV AB
    • CEDFORS, Dan
    • F02D41/06F02D33/00F02M37/00
    • F02D41/3082F02D29/02F02D33/006F02D41/042F02D41/3836F02D2200/0602F02M37/0047F02M37/0052F02M37/0088F02M37/08F02M37/20F02N11/0814
    • The invention relates to a fuel system (4) for an internal combustion engine (2), which fuel system (4) comprises a first fuel tank (20), a fuel filter device (12), arranged between a low pressure pump (22) operated by an electric motor and a high pressure pump (14), a first fuel conduit (24), through which the low pressure pump (22) is arranged to supply fuel to the fuel filter device (12), and a control device (26), arranged in connection with an electric motor (M1 ) operating the low pressure pump (22). Furthermore, an overflow conduit (56) is arranged in connection with a deaeration outlet (54), arranged in the fuel filter device (12) and the first fuel tank (20), and the control device (26) is arranged to control the electric motor (M1), in such a way that the low pressure pump (22) is active when the internal combustion engine (2) is turned off for a limited period, whereby fuel may flow from the fuel filter device (12) via the deaeration outlet (54) and the overflow conduit (56), back to the first fuel tank (20). The invention also relates to an internal combustion engine (2) comprising such a fuel system (4), a vehicle (1) comprising such a fuel system (4) and a method to lessen pressure fluctuations in the fuel filter device (12) in such a fuel system (4).
    • 本发明涉及一种用于内燃机(2)的燃料系统(4),该燃料系统(4)包括第一燃料箱(20),燃料过滤装置(12),其布置在低压泵 )通过电动马达和高压泵(14)操作,第一燃料管道(24),低压泵(22)通过该第一燃料管道(24)布置成向燃料过滤装置(12)供应燃料;以及控制装置 (26),其与操作所述低压泵(22)的电动马达(M1)相连。 此外,溢流导管(56)与布置在燃料过滤装置(12)和第一燃料箱(20)中的脱气出口(54)连接设置,并且控制装置(26)被布置成控制 电动马达(M1),使得内燃机(2)在有限的时间段内关闭时低压泵(22)有效,由此燃料可以经由燃料过滤装置(12)从燃料过滤装置(12)流出 脱气出口(54)和溢流管道(56)返回到第一燃料箱(20)。 本发明还涉及包括这种燃料系统(4)的内燃机(2),包括这种燃料系统(4)的车辆(1)和用于减小燃料过滤装置(12)中的压力波动的方法 这种燃料系统(4)。
    • 27. 发明申请
    • SYSTEM FOR MEASURING QUANTITY OF LIQUID FUEL AND METHOD FOR MEASURING QUANTITY OF LIQUID FUEL
    • 液体燃料量测量系统及液体燃料量测量方法
    • WO2004076844A8
    • 2005-03-24
    • PCT/JP0315600
    • 2003-12-05
    • CATERPILLAR MITSUBISHI LTDAKAHANE EIJISAKAI MAKOTOTAKAMI KENJI
    • AKAHANE EIJISAKAI MAKOTOTAKAMI KENJI
    • G01F11/28B60K15/03B60K15/077F02D33/00F02M37/00G01F13/00G01F17/00G01F22/02G01F23/14G01F23/32
    • F02D33/003F02M37/007F02M37/0088G01F17/00G01F22/02G01F23/14G01F23/32
    • A system for measuring the quantity of liquid fuel stored in a container accurately, and a method for measuring the quantity of liquid fuel employing that system. When the pneumatic pressure in a first container (3) is lower than a specified level, air is supplied to the first container (3) through a first pipeline by a pressurizing means (6), volume of the supplied air and variation of pneumatic pressure in the first container (3) caused by air supply are detected or calculated, and volume of liquid fuel in the first container (3) is operated from the volume of air and the variation of pneumatic pressure. When the liquid fuel in a second container (4) is lower than a specified level, a specified quantity of liquid fuel is transported from the first container (3) to the second container (4) through a second pipeline (12) by a transporting means (8) and then the volume of liquid fuel in the first container (3) is operated based on the number of times of transportation of liquid fuel. The quantity of liquid fuel being supplied from the first container (3) to the second container (4) can thereby be measured accurately regardless of the shape or inclination of the first container (3).
    • 准确地测量储存在容器中的液体燃料的量的系统,以及采用该系统测量液体燃料量的方法。 当第一容器(3)中的气压低于指定水平时,通过加压装置(6)将第一容器(3)的空气供给至第一容器(3),供给空气的体积和气压的变化 在由空气供应引起的第一容器(3)中被检测或计算,并且第一容器(3)中的液体燃料的体积从空气体积和气动压力的变化中操作。 当第二容器(4)中的液体燃料低于指定水平时,通过运输的第二管道(12)将指定量的液体燃料从第一容器(3)运送到第二容器(4) 装置(8),然后基于液体燃料的运输次数来操作第一容器(3)中的液体燃料的体积。 因此,无论第一容器(3)的形状或倾斜度如何,都可以精确地测量从第一容器(3)向第二容器(4)供给的液体燃料的量。
    • 29. 发明申请
    • エンジンの吸気装置
    • 发动机装置
    • WO2002097254A1
    • 2002-12-05
    • PCT/JP2002/003948
    • 2002-04-19
    • 株式会社ケーヒン
    • 秋山 裕茂下川 潤一
    • F02D33/00
    • F02D9/106F02B61/02F02D9/10F02D9/1065F02D11/10F02D35/003F05C2201/021
    • An engine intake device wherein the joining surface (11a) of a device block (11) is connected to the attaching surface (10a) of a throttle body (1) parallel to an intake way (2), and a bypass passageway (15) is composed of a bypass inlet hole (20) establishing communication between the upstream region of the intake way (2) and an attaching surface (1a), a bypass outlet hole (21) establishing communication between the downstream region of the intake way (2) and the attaching surface (1a), an upstream groove (16) formed in the joining surface (11a), a downstream groove (17) formed in the joining surface (11a), and a valve chamber (22) establishing communication between the upstream and downstream grooves ( 16, 17), and wherein a bypass valve (25) and an actuator (28) therefor that face the valve chamber (22) are arranged in the device block (11) to be parallel to the joining surface (11a), and a throttle sensor (8) is arranged in the device block (11). This makes it possible to improve workability and assembly while reducing the size of an engine intake device having a bypass valve and an actuator therefor.
    • 一种发动机进气装置,其中装置块(11)的接合表面(11a)连接到平行于进气道(2)的节气门体(1)的附接表面(10a)和旁路通道(15) 由在进气道(2)的上游区域和安装面(1a)之间建立连通的旁通入口孔(20)构成,旁通出口孔(21)在进气道(2)的下游区域之间建立连通 )和安装面(1a),形成在接合面(11a)中的上游槽(16),形成在接合面(11a)中的下游槽(17)和阀室(22) 上游和下游槽(16,17),并且其中与所述阀室(22)相对的旁通阀(25)和致动器(28)布置在所述装置块(11)中以平行于所述接合表面 11a),并且在装置块(11)中布置有节气门传感器(8)。 这使得可以在减小具有旁通阀和致动器的发动机进气装置的尺寸的同时提高可操作性和组装。