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    • 2. 发明专利
    • Percolation preventing system for carburetor
    • 碳化钨防渗系统
    • JPS58183851A
    • 1983-10-27
    • JP6599882
    • 1982-04-20
    • Fuji Heavy Ind Ltd
    • SHIBANO KENJI
    • F02M5/08
    • F02M5/08Y10S261/67Y10S261/74Y10S261/81
    • PURPOSE: To prevent percolation of fuel in a carburetor, by opening a valve mechanism provided in an air supply passage communicated with the upper space in a float chamber under the condition that the temperature of the carburetor is raised.
      CONSTITUTION: When the engine temperature is raised, a temperaure sensor 16a is set into operation and the negative pressure in an intake pipe 14 is transmitted to a vacuum chamber 9a. Resultantly, a diaphragm valve 9 is set into operation and a filter 10 is communcated with an intake passage 8, so that air is introduced into the upper chamber of a float chamber 13 and air is passed through an inner vent pipe 3. Here, since the air flows over the surface of fuel in the float chamber 13, the condition of gasoline vapor is changed from saturated state to unaturated state. Therefore, vaporization of gasoline is promoted over the surface of gasoline in the float chamber 13 and gasoline is deprived of heat of vaporization. This causes convection of gasoline in the float chamber 13, so that it is enabled to prevent generation of bubbles in the float chamber.
      COPYRIGHT: (C)1983,JPO&Japio
    • 目的:为了防止化油器中的燃料渗透,在化油器温度升高的条件下,通过打开与浮子室中的上部空间连通的供气通路中设置的阀机构。 构成:当发动机温度升高时,将温度传感器16a置于操作状态,并且进气管14中的负压被传递到真空室9a。 因此,隔膜阀9投入运行,过滤器10与进气通路8相通,使得空气被引入浮子室13的上部室,空气通过内部通气管3.这里,由于 空气流过浮子室13内的燃料表面,汽油蒸汽的状态从饱和状态变为不饱和状态。 因此,汽油在蒸汽室13的汽油表面被促进汽化,汽油被汽化除去。 这导致浮子室13中汽油的对流,从而能够防止在浮子室中产生气泡。
    • 4. 发明专利
    • Air supply device
    • 空气供应装置
    • JP2005042729A
    • 2005-02-17
    • JP2004216867
    • 2004-07-26
    • Walbro Engine Management Llcウォルブロ エンジン マネージメント リミテッド ライアビリティー カンパニー
    • BURNS MICHAEL P
    • F02M1/02F02M17/04F02M35/10
    • F02M17/04Y10S261/74
    • PROBLEM TO BE SOLVED: To provide an air supply device (a carburetor), dispensing with a link mechanism to achieve simplification, and preventing stop of an engine due to air-fuel mixture of dense fuel and air in idling and decelerating operation state.
      SOLUTION: This air supply device includes: a body 18; a fuel/air mixing passage 16 having a Venturi area 22 disposed between an air supply port area and a mixture outlet area 28 and regulated by the body 18; and a closing position, an idling position and a fully opening position for starting the engine. Further, the air supply device includes: a throttle/choke valve 12 disposed in the air supply port area 14 of the air/fuel mixing passage 16; a fuel metering device 34 for letting fuel flow into the Venturi area 22 through a fuel supply passage 30; and a reference passage 52 communicating the fuel metering device 34 with the air supply port area 14 on the downstream from the throttle/choke valve 12 in the idling position. In the air supply device, when the throttle/choke valve 12 is located in the idling position, in order to limit a fuel flow through the fuel supply passage 30, negative pressure is supplied to the fuel metering device 34 through the reference passage 52.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种空气供应装置(化油器),分配连杆机构以实现简化,并且防止由于空载和空气在空转和减速操作中的空气 - 燃料混合引起的发动机停止 州。 解决方案:该供气装置包括:主体18; 燃料/空气混合通道16,其具有布置在供气口区域和混合物出口区域28之间并由主体18调节的文丘里区域22; 以及关闭位置,怠速位置和用于启动发动机的完全打开位置。 此外,空气供给装置包括:设置在空气/燃料混合通道16的供气口区域14中的节气门/节流阀12; 燃料计量装置34,用于使燃料通过燃料供给通道30流入文丘里区域22; 以及在怠速位置将节气门/节流阀12的下游的燃料计量装置34与供气口区域14连通的基准通路52。 在空气供给装置中,当节气门/节流阀12位于空转位置时,为了限制通过燃料供给通路30的燃料流量,通过基准通路52向燃料计量装置34供给负压。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Acceleration device for carburetor
    • 加速器加速装置
    • JP2006112315A
    • 2006-04-27
    • JP2004300400
    • 2004-10-14
    • Keihin Corp株式会社ケーヒン
    • OGISHI YASUAKI
    • F02M7/093F02D41/10F02M7/06F02M7/08F02M19/00
    • F02M17/04F02M3/09F02M7/133F02M7/20F02M7/24F02M11/02Y10S261/74
    • PROBLEM TO BE SOLVED: To suppress after burn phenomenon of an engine right after stopping the engine in a vacuum operation type carburetor.
      SOLUTION: An acceleration device P is divided into a pump chamber 23 and a pressure receiving chamber 24. An acceleration fuel suction path 25 and an acceleration fuel discharge path 28 open in the pump chamber 23 and a fuel discharge path 30b opens toward an inside of a float chamber 8. A vacuum introduction path 30a opens and a pump spring 31 is compressed and provided in the pressure receiving chamber 24. A valve element 34 is formed out of a jet open close valve part 34a opening and closing an opening part 6a of a main fuel jet 6 and a discharge path open close valve part 34b opening and closing the fuel discharge path 30b, and moves synchronously with a movable core 17 of a solenoid device. The opening part 6a of the main fuel jet 6 is opened by the jet open close valve part 34a and the fuel discharge path 30b is shut off by the discharge path open close valve part 34b at a time of operation. The opening part 6a of the main fuel jet 6 is shut off by the jet open close valve part 34a and the fuel discharge path 30b is opened by the discharge path open close valve part 34b at a time of stop.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:在真空操作型化油器中停止发动机之后,立即抑制发动机的燃烧现象。 解决方案:加速装置P被分成泵室23和压力接收室24.在泵室23和燃料排放通道30b中打开的加速燃料吸入路径25和加速燃料排放路径28向着 浮子室8的内部。真空引入路径30a打开,并且泵弹簧31被压缩并设置在压力接收室24中。阀元件34由喷射打开关闭阀部分34a形成,打开和关闭开口 主燃料喷射6的部分6a和打开和关闭燃料排出路径30b的排放路径打开关闭阀部分34b,并与电磁装置的可动铁芯17同步地移动。 主燃料喷射6的开口部6a由喷射开闭阀部34a打开,燃料喷射路径30b在运转时被排出路径打开关闭阀部34b切断。 主燃料喷嘴6的开口部6a被喷射开闭阀部34a切断,燃料喷出路径30b在停止时被排出路径打开关闭阀部34b打开。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Carburetor control cam board supporter
    • CARBURETOR控制卡板支持
    • JPS5963351A
    • 1984-04-11
    • JP17474482
    • 1982-10-05
    • Honda Motor Co Ltd
    • FURUKAWA NOBUYUKISANBE MITSUHIRO
    • F02D9/02F02D41/06F02M1/10
    • F02D41/067F02M1/10Y10S261/74
    • PURPOSE: To prevent relative phase shift by supporting a choke valve cam board, throttle valve cam board and displacement detection board rotatably on a drive shaft together with the drive shaft.
      CONSTITUTION: The output shaft 48 of a control engine 46 comprising a pulse motor is transmitted through a reduction gear row 50 to the input side of an electromagnetic clutch 51 in a transmission outer frame 45. The drive shaft 58 of said clutch 51 is projected in parallel with a choke valve shaft 5 and a throttle valve shaft 7 and sequentially transmit torque to a displacement detection board 62 for detecting variation of rotation and each cam board 59W61. The cam face of first cam board 59 will contact against a follower roller 12 to roll a rolling board 10 through an inverted arm 11 thus to roll a choke valve shaft 5. Consequently the cam face of third cam board 61 will contact against said roller 12 to roll an inverted arm 24 around a pivot shaft 23 and a gear 25 will rotate the throttle valve shaft 7.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过将阻流阀凸轮板,节流阀凸轮板和位移检测板与驱动轴一起可旋转地安装在驱动轴上,防止相对相移。 构成:包括脉冲电机的控制引擎46的输出轴48通过减速齿轮排50传递到变速器外框架45中的电磁离合器51的输入侧。所述离合器51的驱动轴58突出于 与阻流阀轴5和节流阀轴7平行,并且顺序地将扭矩传递到位移检测板62,用于检测旋转的变化和每个凸轮板59-61。 第一凸轮板59的凸轮面将与从动辊12接触,以通过倒置臂11滚动轧制板10,从而滚动阻塞阀轴5.因此,第三凸轮板61的凸轮面将接触所述辊12 围绕枢轴23滚动倒置的臂24,并且齿轮25将旋转节流阀轴7。