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公开(公告)号：EP0397897B1
公开(公告)日：1992-01-15
申请号：EP89108690.2
申请日：1989-05-13
发明人： Sekiya, Mitsuru
IPC分类号： F02M69/00
CPC分类号： F02M69/44
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公开(公告)号：EP0259866A3
公开(公告)日：1989-06-14
申请号：EP87113212.2
申请日：1987-09-09
发明人： Muraji, Tetsuo
摘要： A carburetor provided with a fuel flow rate control device (11) disposed midway in a fuel passageway between a fuel pump (8) and a metering jet (4); a level sensor (13) arranged in a passageway (12) for detection connected upright to a portion between the fuel flow rate control device and the metering jet provided in the fuel passageway; an electrical control circuit operating the fuel flow rate control device in accordance with the output delivered from the level sensor so that the level of a fuel column to be formed in the passageway for detection is maintained at a predetermined positon, in order to enable fuel supply with permanent stability to be performed without using a float chamber or without being affected by the vibration of the engine and the turn of a car body.
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公开(公告)号：EP0207796A3
公开(公告)日：1988-08-10
申请号：EP86305173
申请日：1986-07-03
发明人： Muraji, Tetsuo
摘要： In order to insure that, even when there arises a change in the rate of air flowing through an intake mixture passageway, the air-fuel ratio of the mixture which is to be supplied to an engine is always kept constant, the fuel control system comprises: an intake mixture passageway having a first negative pressure generating section and a second negative pressure generating section provided upstream of the first negative pressure generating section for generating a negative pressure weaker than that in the first negative pressure generating section; a fuel passageway having its one end opening in the first negative pressure generating section and its other end connected to a float chamber via fuel metering jet; an electromagnetic valve for controlling the rate of the fuel flowing through the fuel passageway; a negative pressure passageway having its one end opening in the second negative pressure generating section and having its other end connected to the fuel passageway at a site located between the fuel metering jet and the electromagnetic valve; and a level detecting means for detecting whether or not the fuel column formed within the negative pressure passageway is at a preset level and capable of generating an electric signal to control the operation of the electromagnetic valve. The first and second negative pressure generating sections are each constructed by a fixed and/or a variable venturi.
摘要翻译： 为了确保即使出现通过进气混合通道的空气流速发生变化的情况，也将始终保持供给发动机的混合物的空燃比恒定，燃料控制系统 ：具有第一负压产生部分和第二负压产生部分的进气混合通道，设置在第一负压产生部分的上游，用于产生比第一负压产生部分中的负压更弱的负压; 燃料通道，其一端开口在第一负压产生部分中，另一端经由燃料计量喷嘴连接到浮子室; 用于控制流过燃料通道的燃料的速率的电磁阀; 负压通道，其一端开口在第二负压产生部分中，并且其另一端在位于燃料计量射流和电磁阀之间的位置处连接到燃料通道; 以及电平检测装置，用于检测在负压通道内形成的燃料柱是否处于预设水平并且能够产生电信号以控制电磁阀的操作。 第一和第二负压产生部分均由固定和/或可变文丘里管构成。
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公开(公告)号：EP0263455A2
公开(公告)日：1988-04-13
申请号：EP87114470.5
申请日：1987-10-03
发明人： Sekiya, Mitsuru , Muraji, Tetsuo
摘要： A fuel supply device for carburetors in which a first level sensor (10) for maintaining a reference fuel liquid level in a fuel chamber (7) is provided separate from the fuel chamber; a second level sensor (20) used to maintain properly a fuel flow rate in a slow operation zone (6) and a third level sensor (16) used to maintain properly a fuel flow rate in a main operation zone (1) are arranged close by the first level sensor; and a mixture with a proper air-fuel ratio can always be supplied to an engine even if the fuel liquid level in the fuel chamber fluctuates and the entire carburetor inclines, without being affected thereby.
摘要翻译： 一种用于化油器的燃料供给装置，其中用于保持燃料室（7）中的参考燃料液位的第一高度传感器（10）与燃料室分开设置; 用于适当地保持慢操作区域（6）中的燃料流量的第二水平传感器（20）和用于适当地维持主操作区域（1）中的燃料流量的第三水平传感器（16） 由第一级传感器; 即使在燃料室内的燃料液面发生变动而化油器整体倾斜的情况下，也能始终向发动机供给适当的空燃比的混合气体而不受影响。
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公开(公告)号：EP0113529A2
公开(公告)日：1984-07-18
申请号：EP83307298.6
申请日：1983-11-30
发明人： Sakurai, Shigeo
IPC分类号： H02P8/00
CPC分类号： F02D11/10 , F02D2011/102 , H02P8/22
摘要： A drive control method for stepping motors in which a rotor is made to repeatedly actuate in a period of the sum of a stationary time after one rotation step and a stationary time after the following one rotation step, in order to enable to obtain substantially smaller angular displacement of the rotor than the predetermined unit rotation angle.
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公开(公告)号：EP0422264B1
公开(公告)日：1994-04-27
申请号：EP89118818.7
申请日：1989-10-10
IPC分类号： H01F7/16
CPC分类号： H01F7/1638 , H01F2007/1692
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公开(公告)号：EP0497386A2
公开(公告)日：1992-08-05
申请号：EP92105908.5
申请日：1989-11-03
IPC分类号： F02M69/20
CPC分类号： F02M69/20
摘要： A fuel supply system for injection carburetors includes an orifice (26), a constant flow rate control device, and a fuel supply source and is provided with a first fuel channel circulating fuel of a predetermined flow rate, a second fuel channel branching off from the first fuel channel between the orifice (26) and the constant flow rate control device for injecting the fuel into a suction tube (2) of the carburetor, an air flow rate detecting device capable of detecting a flow rate of air flowing through the suction tube (2), and a fuel ejection control device capable of metering the flow rate of fuel to be ejected so that a pressure difference with atmospheric pressure which is detected by the air flow rate detecting device is balanced with a fuel pressure difference between the upstream side and the downstream side of the orifice (26). The fuel supply system is simple in structure and can hold an air-fuel ratio of a gas mixture with a high degree of accuracy to a desired constant value, over the entire operation region, through a single fuel control unit.
摘要翻译： 用于注射化油器的燃料供给系统包括孔口，恒定流量控制装置和燃料供应源，并且设置有第一燃料通道循环预定流量的燃料，第二燃料通道从第一燃料通道分支 在用于将燃料喷射到化油器的吸入管中的节流孔和恒定流量控制装置之间，能够检测流过吸管的空气的流量的空气流量检测装置和能够 计量要喷射的燃料的流量，使得由空气流量检测装置检测到的与大气压力的压力差与孔口的上游侧和下游侧之间的燃料压力差平衡。 燃料供给系统的结构简单，能够通过单一的燃料控制单元，在整个运转区域中将高精度的气体混合气体的空燃比保持在期望的恒定值。
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公开(公告)号：EP0422264A1
公开(公告)日：1991-04-17
申请号：EP89118818.7
申请日：1989-10-10
IPC分类号： H01F7/16
CPC分类号： H01F7/1638 , H01F2007/1692
摘要： A solenoid valve including a first solenoid (14) and a second solenoid (15) to which a smaller electric current is applied than is applied to the first solenoid. The first solenoid is provided at a core (121), and the second solenoid is provided at a support member (124) connected to the core. A cup-shaped plunger (110) is connected to a valve body opening and closing a passage (101), and is moved in accordance with an energization of the solenoids, to open and close the valve body. A contact member (130) is connected to the plunger (110) and inclined relative to the bottom wall (111) of the plunger, to come into tight contact with the support member. A first magnetic path is formed in the core and a cylindrical side wall of the plunger, and a second magnetic path is formed in the support member and the contact member.
摘要翻译： 一种电磁阀，包括第一螺线管（14）和第二螺线管（15），向其施加比施加到第一螺线管的电流更小的电流。 第一螺线管设置在芯部（121）处，并且第二螺线管设置在连接到芯部的支撑构件（124）处。 杯状柱塞（110）与打开和关闭通道（101）的阀体连接，并且随着螺线管的通电而移动，从而打开和关闭阀体。 接触构件（130）连接到柱塞（110）并且相对于柱塞的底壁（111）倾斜，以与支撑构件紧密接触。 第一磁路形成在柱塞的芯体和柱形侧壁中，并且第二磁路形成在支撑构件和接触构件中。
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公开(公告)号：EP0263455A3
公开(公告)日：1989-06-28
申请号：EP87114470.5
申请日：1987-10-03
发明人： Sekiya, Mitsuru , Muraji, Tetsuo
摘要： A fuel supply device for carburetors in which a first level sensor (10) for maintaining a reference fuel liquid level in a fuel chamber (7) is provided separate from the fuel chamber; a second level sensor (20) used to maintain properly a fuel flow rate in a slow operation zone (6) and a third level sensor (16) used to maintain properly a fuel flow rate in a main operation zone (1) are arranged close by the first level sensor; and a mixture with a proper air-fuel ratio can always be supplied to an engine even if the fuel liquid level in the fuel chamber fluctuates and the entire carburetor inclines, without being affected thereby.
摘要翻译： 一种用于化油器的燃料供应装置，其中用于在燃料室（7）中保持参考燃料液位的第一液位传感器（10）与燃料室分开设置; 用于适当地维持用于在主操作区域（1）中适当地维持燃料流量的缓慢操作区域（6）和第三水平传感器（16）中的燃料流量的第二水平传感器（20） 由第一级传感器; 即使燃料室内的燃料液位波动，整个化油器倾斜而不会受到影响，也可以始终向发动机供给合适的空燃比的混合气。
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