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公开(公告)号：EP3054142A1
公开(公告)日：2016-08-10
申请号：EP16000258.0
申请日：2016-02-03
CPC分类号： F02M9/08 , F02B25/14 , F02B25/20 , F02D9/16 , F02D41/064 , F02D41/08 , F02M1/043 , F02M1/10 , F02M7/28 , F02M9/085 , F02M9/125 , F02M17/02 , F02M17/38 , F02M19/06
摘要： Ein Vergaser besitzt ein Gehäuse (18), in dem eine Steuerwalze (22) drehbar gelagert ist. In dem Vergaser ist ein Abschnitt (25) eines Ansaugkanals (21) ausgebildet. In der Steuerwalze (22) ist ein Teilabschnitt (27) des Ansaugkanals (21) ausgebildet. Die Steuerwalze (22) steuert den freien Strömungsquerschnitt des Ansaugkanals (21). Der Vergaser (11) besitzt eine Kraftstoffkammer (28). In den Teilabschnitt (27) des Ansaugkanals mündet eine Kraftstofföffnung (19), die über einen unverzweigten Kraftstoffkanal (29) mit der Kraftstoffkammer (28) verbunden ist. Ein einfacher Aufbau des Vergasers wird dadurch erreicht, dass der Vergaser (11) ein elektrisch betätigtes Ventil (30) umfasst, das den Kraftstofffluss durch den Kraftstoffkanal (29) steuert. Für ein Verfahren zum Betrieb eines Verbrennungsmotors mit einem Vergaser (11) ist vorgesehen, dass vor oder beim Starten des Verbrennungsmotors eine Temperatur (T) ermittelt wird und dass der Kraftstofffluss durch den Kraftstoffkanal (29) beim Starten des Verbrennungsmotors in Abhängigkeit der Temperatur (T) gesteuert wird.
摘要翻译： 化油器具有壳体，其中控制鼓可旋转地安装。 在化油器中形成进气通道的一部分。 该部分的一部分形成在控制鼓中。 控制滚筒控制进气通道的自由流动截面。 燃料开口经由通向进气通道的子部分的无分支燃料通道连接到燃料室。 化油器的简单配置是通过化油器实现的，该化油器包括控制通过燃料通道的燃料流动的电致动阀。 对于使用化油器操作内燃机的方法，在发动机启动之前或期间确定温度（T），并且在发动机起动期间通过燃料通道的燃料流量根据 温度（T）。
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公开(公告)号：EP2061965A1
公开(公告)日：2009-05-27
申请号：EP06784180.9
申请日：2006-09-14
申请人： Husqvarna AB
发明人： SÖDERQUIST, Magnus
IPC分类号： F02M9/08 , F02B25/22 , F02D9/10 , F02M35/108
CPC分类号： F02M35/108 , F02B25/22 , F02B2075/025 , F02D9/101 , F02D9/104 , F02D9/106 , F02D9/109 , F02D2009/0272 , F02M9/08 , F02M13/046 , F02M19/00 , F02M35/02 , F02M35/1019 , F16K1/223 , F16K1/2268 , F16K27/0218 , Y10S261/01
摘要： Fuel supply assembly for a two-stroke crankcase scavenged combustion engine that is operated with layered scavenging, said assembly including a housing (2) and two parallel channels (3, 4) extending through the housing, viz. a first channel (3) for a fuel/air mixture and a second channel (4) for auxiliary air, a partition wall (5) extending in a plane between said channels and arranged both upstream and downstream of a butterfly valve, and the at least one butterfly valve (7,8) with a butterfly (disc) (14) pivoted in the housing, said butterfly having an axis of rotation coinciding with the plane of the partition wall, a downstream side, an upstream side, and a protruding section (41) which extends across the butterfly along the axis of rotation at least on the downstream side of the butterfly. Specifically an edge of the partition wall, or a sealing member on the partition wall, contacts or nearly contacts said protruding section at least on the downstream side of the butterfly, securing a seal between the two channels in all positions of the butterfly sufficiently efficient for preventing any non-negligible passage of fuel from the first channel to the second channel on the downstream side of the butterfly.
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公开(公告)号：EP1063410A3
公开(公告)日：2001-08-22
申请号：EP00112893.3
申请日：2000-06-19
申请人： Walbro Japan, Inc.
IPC分类号： F02M9/08
CPC分类号： F02M19/12 , F02D9/10 , F02D11/02 , F02D2009/0261 , F02M9/08
摘要： A throttle valve lever for controlling the rate of fuel flow in a rotary throttle valve type carburetor is proposed, wherein the throttle valve lever has increased stiffness to help prevent structural deformation due to excessive force exerted and applied to the lever over time. The throttle valve lever basically includes an oblong structure comprising synthetic resin and an oblong reinforcement plate comprising metal. The resin structure has a hole defined therethrough, which is capable of fitting around the shaft of a throttle valve of a carburetor, and also has a lever portion at one end of the resin structure. The metal plate has a hole defined therethrough, which is capable of fitting around the shaft of a throttle valve of a carburetor, and also has a lever portion at one end of the metal plate. The metal plate is embedded within the resin structure such that the lever portion of the resin structure and the lever portion of the metal plate are correspondingly situated, the hole of the resin structure and the hole of the metal plate are aligned, and the metal plate is exposed at the metal plate hole and is capable of direct and fitted contact with the throttle valve shaft.
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4.发明公开Acceleration device for a two-cycle engine 审中-公开BeschleunigungsvorrichtungfürZweitaktbrennkraftmaschine
公开(公告)号：EP1094215A2
公开(公告)日：2001-04-25
申请号：EP00122316.3
申请日：2000-10-20
申请人： Walbro Japan, Inc.
CPC分类号： F02M7/08 , F02B2075/025 , F02M9/08 , F02M35/1019 , F02M35/108
摘要： An acceleration device of a carburetor for a two cycle engine with a rotary dual valve which controls air flow through both a scavenging passage and a separate air intake passage each extending through a carburetor body. The carburetor body houses a metering fuel chamber and an air reference chamber defined by a diaphragm between them. Fuel in the metering fuel chamber is discharged through a port into the air intake passage. An acceleration pump has an actuation chamber which communicates with the scavenging passage and a pump chamber which communicates with the air reference chamber and a membrane between them. During engine acceleration the membrane is displaced by a pressure introduced into the actuation chamber to forcibly send air into the air reference chamber from the pump chamber to move, the diaphragm into the metering fuel chamber, and thereby increase the fuel delivered to the air intake passage.
摘要翻译： 一种用于具有旋转双阀的双循环发动机的化油器的加速装置，其控制空气流过通过化油器主体的扫气通道和单独进气通道。 化油器体容纳计量燃料室和由它们之间的隔膜限定的空气参考室。 计量燃料室中的燃料通过端口排放到进气通道中。 加速泵具有与扫气通道连通的致动室和与空气参考室连通的泵室和它们之间的膜。 在发动机加速期间，膜被引入致动室的压力移动，以强制将空气从泵室送入空气参考室，以将隔膜移动到计量燃料室中，从而增加输送到进气通道的燃料 。
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公开(公告)号：EP2860383B1
公开(公告)日：2018-08-22
申请号：EP14186241.7
申请日：2014-09-24
申请人： Telair S.R.L.
发明人： Fabbri, Raul
CPC分类号： F02M21/042 , F02M9/08 , F02M19/03 , Y02T10/32
摘要： A carburetor for feeding internal combustion engines, comprising an outer shell (2), which defines internally at least one air and fuel mixing duct (3); the duct (3) is interposed between at least one opening (4a, 4b) for the inflow of air and an outlet (5), which can be connected to a combustion chamber of an internal combustion engine; moreover, the duct (3) is affected by at least one nozzle, for introducing the fuel to be mixed with the air, prior to sending to the combustion chamber of the internal combustion engine; the carburetor comprises at least one trimming element (7), which is constituted substantially by a stem (8) that can move selectively between at least one first configuration for free passage of the air through the at least one opening (4a, 4b), and at least one adjustment configuration, in which the stem (8) is arranged so as to at least partially obstruct the at least one opening (4a, 4b), with consequent reduction of the overall passage section available for the inflow of the air.
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公开(公告)号：EP2787194A3
公开(公告)日：2014-12-03
申请号：EP14163497.2
申请日：2014-04-04
申请人： Yamabiko Corporation
CPC分类号： F02M7/10 , F02B2075/025 , F02M7/133 , F02M9/08
摘要： A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (46) includes a flow rate adjusting valve (48). The flow rate adjusting valve (48) is driven by a solenoid actuator (50). The solenoid actuator (50) is controlled on the basis of engine speed.
摘要翻译： 化油器（10）的主喷嘴（38）通过最初包括在化油器中的第一燃料供给通道（44）和第一附加燃料供给通道（46）与计量室（26）连通。 第一附加燃料供给通道（46）包括流量调节阀（48）。 流量调节阀（48）由电磁致动器（50）驱动。 电磁致动器（50）根据发动机转速进行控制。
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公开(公告)号：EP1094215A3
公开(公告)日：2002-05-02
申请号：EP00122316.3
申请日：2000-10-20
申请人： Walbro Japan, Inc.
CPC分类号： F02M7/08 , F02B2075/025 , F02M9/08 , F02M35/1019 , F02M35/108
摘要： An acceleration device of a carburetor for a two cycle engine with a rotary dual valve which controls air flow through both a scavenging passage and a separate air intake passage each extending through a carburetor body. The carburetor body houses a metering fuel chamber and an air reference chamber defined by a diaphragm between them. Fuel in the metering fuel chamber is discharged through a port into the air intake passage. An acceleration pump has an actuation chamber which communicates with the scavenging passage and a pump chamber which communicates with the air reference chamber and a membrane between them. During engine acceleration the membrane is displaced by a pressure introduced into the actuation chamber to forcibly send air into the air reference chamber from the pump chamber to move, the diaphragm into the metering fuel chamber, and thereby increase the fuel delivered to the air intake passage.
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公开(公告)号：EP0009318A1
公开(公告)日：1980-04-02
申请号：EP79301645.2
申请日：1979-08-14
发明人： Saunders, Albert
IPC分类号： F02M17/02
摘要： A floatless carburettor comprising in combination a fuel inlet (F1), two separate fuel outlets (F2, F3) to an air passage (13C) adapted to admit air from the atmosphere (A1, A2) and discharge it to an engine, a throttle control means (12C) by which the area of said air passage is progressively opened and closed (13A, 13B) to vary said area and an adjustable self-regulating pressure means (15) via which fuel is fed from the said fuel inlet (F1) to the carburettor.
摘要翻译： 一种无浮子化油器，包括燃料入口（F1），两个单独的燃料出口（F2，F3）到适于从空气（A1，A2）吸收空气并将其排放到发动机的空气通道（13C） 控制装置（12C），所述空气通道的面积逐渐地打开和关闭（13A，13B）以改变所述面积，以及可调节的自动调节压力装置（15），燃料从所述燃料入口（F1 ）到化油器。
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9.发明授权VERGASER UND VERFAHREN ZUM BETRIEB EINES VERBRENNUNGSMOTORS MIT EINEM VERGASER 有权CARBURETTOR以及使用CARBURETOR操作燃烧发动机的方法
公开(公告)号：EP3054142B1
公开(公告)日：2018-04-18
申请号：EP16000258.0
申请日：2016-02-03
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公开(公告)号：EP2860382B1
公开(公告)日：2017-04-05
申请号：EP14188222.5
申请日：2014-10-09
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