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61. 发明授权

US2093011A Carburetor 失效
公开(公告)号：US2093011A
公开(公告)日：1937-09-14
申请号：US3658035
申请日：1935-08-16
申请人： GROSZ CHARLES O
发明人： GROSZ CHARLES O
IPC分类号： F02M3/08 , F02M5/08 , F02M19/03
CPC分类号： F02M3/08 , F02M5/08 , F02M19/03

62. 发明授权

US1947854A Combination insulator and pressure relief device for carburetors 失效
标题翻译：用于化油器的组合绝缘子和减压装置
公开(公告)号：US1947854A
公开(公告)日：1934-02-20
申请号：US64873232
申请日：1932-12-24
申请人： LOUIS KLEINHOFFER
发明人： LOUIS KLEINHOFFER
IPC分类号： F02M5/08 , F02M19/00
CPC分类号： F02M5/08 , F02M19/00

63. 发明授权

US1817860A Carburetor 失效
公开(公告)号：US1817860A
公开(公告)日：1931-08-04
申请号：US15166726
申请日：1926-11-30
申请人： CHARLES M BLEECKER
发明人： GEORGE WAHNISH
IPC分类号： F02M5/08 , F02M17/20
CPC分类号： F02M17/20 , F02M5/08

64. 发明公开

US20240247620A1 BOTTOM FEED FUEL BOWL 审中-公开
公开(公告)号：US20240247620A1
公开(公告)日：2024-07-25
申请号：US18623826
申请日：2024-04-01
申请人： K&N Engineering, Inc.
发明人： John Kyle
IPC分类号： F02M5/12 , B01D19/00 , F02M5/08 , F02M5/16 , F02M7/22
CPC分类号： F02M5/14 , B01D19/0073 , F02M5/08 , F02M5/12 , F02M5/16 , F02M7/22
摘要： An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

65. 发明授权

US10626825B2 Bottom feed fuel bowl 有权
公开(公告)号：US10626825B2
公开(公告)日：2020-04-21
申请号：US16126997
申请日：2018-09-10
申请人： K&N Engineering, Inc.
发明人： John Kyle
IPC分类号： F02M5/00 , F02M5/12 , F02M5/16 , F02M5/08 , B01D19/00
CPC分类号： F02M5/14 , B01D19/0073 , F02M5/08 , F02M5/16
摘要： An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

66. 发明申请

US20170152812A1 BOTTOM FEED FUEL BOWL 审中-公开
公开(公告)号：US20170152812A1
公开(公告)日：2017-06-01
申请号：US15429035
申请日：2017-02-09
申请人： K&N Engineering, Inc.
发明人： John Kyle
IPC分类号： F02M5/12 , F02M5/16 , F02M5/08
CPC分类号： F02M5/14 , B01D19/0073 , F02M5/08 , F02M5/16
摘要： An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

67. 发明授权

US06899072B2 Vacuum-operated choke system and method 失效
标题翻译：真空操作式扼流圈系统及方法
公开(公告)号：US06899072B2
公开(公告)日：2005-05-31
申请号：US10402615
申请日：2003-03-28
申请人： Charles R. Spitler
发明人： Charles R. Spitler
IPC分类号： F02M1/02 , F02M1/10 , F02M1/16 , F02M5/08 , F02M9/10 , F02M17/04 , F02M17/09 , F02N17/00
CPC分类号： F02M1/02 , F02M1/10 , F02M1/16 , F02M5/08 , F02M9/106 , F02M17/04 , F02M17/09
摘要： A vacuum-operated choke system for use with an internal combustion engine and method of using the same including a vacuum actuator for moving an actuating arm for connection to a choke valve of an internal combustion engine from a first position to a second position, an air valve in communication with the vacuum actuator, and a vacuum mechanism in communication with the vacuum actuator and the air valve for causing air to discharge through the air valve whereby the vacuum actuator can move the actuating arm from the first position to the second position and whereby the air valve is operable to allow air to enter the air valve whereby the vacuum actuator can move the actuating arm from the second position to the first position. The choke system can include a manifold defining at least one air inlet and one air outlet communicating with the vacuum actuator for passage of air into and out of, respectively, the vacuum actuator and can further comprise an orifice selector plate attached to the manifold, wherein the orifice selector plate can be positioned to cover all of the air inlets but one to control airflow through the manifold.
摘要翻译：一种与内燃机一起使用的真空操作的扼流器系统及其使用方法，该方法包括：真空致动器，用于移动用于连接内燃机的阻塞阀的致动臂，从第一位置到第二位置;空气与真空致动器连通的阀，以及与真空致动器和空气阀连通的真空机构，用于使空气通过空气阀排出，由此真空致动器可以将致动臂从第一位置移动到第二位置，由此空气阀可操作以允许空气进入空气阀，由此真空致动器可将致动臂从第二位置移动到第一位置。扼流系统可以包括限定至少一个空气入口的歧管和与真空致动器连通的一个空气出口，用于将空气分别进入和离开真空致动器，并且还可以包括附接到歧管的孔选择器板，其中孔口选择器板可以定位成覆盖所有的空气入口，而一个用于控制通过歧管的气流。

68. 发明授权

US5879595A Carburetor internal vent and fuel regulation assembly 失效
标题翻译：化油器内部通风口和燃油调节组件
公开(公告)号：US5879595A
公开(公告)日：1999-03-09
申请号：US846815
申请日：1997-04-30
申请人： Barry L Holtzman
发明人： Barry L Holtzman
IPC分类号： F02M5/08 , F02M7/11 , F02M13/02 , F02M7/12
CPC分类号： F02M5/08 , F02M13/026 , F02M7/11 , Y10S261/67 , Y10S261/68
摘要： An internal vent system contains a pressure sensing orifice located in a carburetor main bore or an auxiliary bore. In one embodiment, this orifice is moved thereby sensing different combinations of total and static pressure of the moving gas stream in which it is located. In another embodiment, the orifice is fixed with a moveable restrictor which changes the gas flow velocity across the orifice and thus changes the pressure sensed by the orifice. The pressure in this orifice establishes the average reference pressure for a float bowl carburetor or a wet diaphragm carburetor, and hence establishes the fuel flow through the carburetor. This adjustable vent is effective in changing fuel delivery over a wide range of engine operating conditions, and is able to minimize the need for changing high speed jets or mid-range calibrations due to changing atmospheric conditions or other operating parameters. The vent movement can be manual or automatic. One such vent of this invention can be used to vent and regulate multiple carburetors, providing lower cost and easier installation and adjustment. This vent is easily adaptable to existing conventional carburetors.
摘要翻译：内部通风系统包含位于化油器主孔或辅助孔中的压力传感孔。在一个实施例中，该孔被移动，从而感测其所在的移动气体流的总压力和静态压力的不同组合。在另一个实施例中，孔口用可移动的限流器固定，其可改变穿过孔口的气体流速，从而改变孔口感测到的压力。该孔中的压力建立浮盆式化油器或湿膜式化油器的平均参考压力，从而确定通过化油器的燃料流量。这种可调节的排气口在发动机运行条件的广泛范围内有效地改变燃油输送，并且能够最小化由于大气条件或其他运行参数的变化而需要改变高速喷气或中等范围的校准。排气口可以手动或自动。本发明的一种这样的通风口可以用于排放和调节多个化油器，提供更低的成本和更容易的安装和调节。该通风口容易适应现有的常规化油器。

69. 发明授权

US5732686A Air vent apparatus for carburetor 失效
标题翻译：化油器排气装置
公开(公告)号：US5732686A
公开(公告)日：1998-03-31
申请号：US474486
申请日：1995-06-07
申请人： Takashi Yokoyama , Koki Kobayashi , Kenichi Nishizawa
发明人： Takashi Yokoyama , Koki Kobayashi , Kenichi Nishizawa
IPC分类号： F02M5/08 , F06M37/04
CPC分类号： F02M5/08
摘要： A fuel carbureted in a float chamber of a carburetor is prevented from entering through an air vent path into an air intake path during low velocity running of a vehicle. An outer vent path and an inner vent path are provided on the upstream side of an air vent path which communicates with a float chamber of a carburetor of an engine for a vehicle. The paths are alternatively selected by a solenoid valve. An opening of the inner vent path is opened in the intake duct, and an opening of the outer vent path is opened at a position sufficiently spaced away from the front face air intake. During low velocity running, the solenoid valve is selectively operated so that the outer vent path is in communication with the carburetor. During high velocity running, however, the inner vent path is in communication with the carburetor.
摘要翻译：在车辆的低速行驶期间，防止在化油器的浮动室中化油的燃料通过排气通道进入进气通道。在与用于车辆的发动机的化油器的浮子室连通的排气通道的上游侧设置有外部通气路径和内部通气路径。通过电磁阀选择路径。内部通气路径的开口在进气管道中打开，并且外部通气路径的开口在与前面进气口足够间隔的位置处打开。在低速运行期间，选择性地操作电磁阀，使得外部通气路径与化油器连通。然而，在高速运行期间，内部通气路径与化油器连通。

70. 发明授权

US5309875A Internally vented float bowl carburetor having a cold start vent conduit 失效
标题翻译：具有冷启动排气导管的内部放空浮桶式化油器
公开(公告)号：US5309875A
公开(公告)日：1994-05-10
申请号：US996680
申请日：1992-12-24
申请人： Roger T. Gault
发明人： Roger T. Gault
IPC分类号： F02M1/10 , F02M5/08 , F02M7/11
CPC分类号： F02M7/11 , F02M1/10 , F02M5/08 , Y10S261/67
摘要： An internal combustion engine having a carburetor including a float bowl that is internally vented through a venting path that extends from the carburetor bore to the headspace above the fuel in the bowl. An external bowl vent passageway extends through the carburetor body to permit air communication between the atmosphere external of the carburetor and the headspace. A thermally actuated valve is secured to a sheet metal cowling on the engine. A flexible tube is secured from the external vent passageway to the valve. While the engine is cold, the valve is open to permit the float bowl to be externally vented to the atmosphere, thereby providing a relatively rich fuel mixture which aids in starting the engine. Upon sustained engine operation and the attainment of a predetermined temperature, the valve closes the external vent passageway, thereby causing the float bowl to be internally vented only, thereby leaning out the fuel/air mixture to a desired emissions level during engine operation.
摘要翻译：一种具有化油器的内燃机，该化油器包括一浮子碗，其内部通过从化油器孔延伸到碗中的燃料上方的顶部空间的排气通道。外部碗排出通道延伸穿过化油器体，以允许化油器外部的气氛与顶部空间之间的空气连通。热致动阀固定在发动机上的金属板上。柔性管从外部通风通道固定到阀。当发动机冷却时，阀门打开以允许浮筒从外部排放到大气中，从而提供相对丰富的燃料混合物，其有助于启动发动机。在持续的发动机操作和达到预定温度时，阀关闭外部通风通道，从而使浮筒仅在内部排放，从而在发动机运转期间将燃料/空气混合物倾斜到期望的排放水平。

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