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    • 2. 发明申请
    • HEAT TRANSMISSION UNIT
    • 传热单元
    • US20090183861A1
    • 2009-07-23
    • US12293156
    • 2007-01-25
    • Hans-Ulrich KühnelDieter JelinekPeter HeuerDieter Thonnessen
    • Hans-Ulrich KühnelDieter JelinekPeter HeuerDieter Thonnessen
    • F28D7/00
    • F28D7/106F28D9/0056F28D21/0003F28F1/022F28F27/02F28F2250/06F28F2255/14
    • Previous heat transmission units have only low cooling efficiencies in case of small fluid mass flows. According to the invention, it is proposed to configure a heat transmission unit (1) in such a manner that a channel (4) conducting the fluid to be cooled is separated, by a partition wall (14;23,24;29,30), into at least two separated partial channels (15,16), a first one of these channels being adapted to be shut off by a shut-off means (21;27;31) arranged at a first partial fluid inlet (17) of this channel. Preferably, in spite of the closed condition of this inlet cross section, full use is made of the existing cooler surface in that there is effected, by suitable arrangement of the partition walls (14;23,24;29, 30) and by further shut-off means (28;32), a deflection of the fluid mass flow in the heat transmission unit (1). A heat transmission unit of the above configuration is particularly suited for exhaust-gas recirculation in internal combustion engines; thus, an optimum cooling performance can be obtained throughout various exhaust-gas recirculation rates.
    • 以前的传热装置在流体质量较小的情况下只有低冷却效率。 根据本发明,提出了一种传热单元(1),其特征在于,通过分隔壁(14; 23,24; 29,30 )到至少两个分离的部分通道(15,16)中,这些通道中的第一个通道适于被布置在第一部分流体入口(17)处的切断装置(21; 27; 31) 的这个频道。 优选地,尽管该入口横截面为封闭状态,但是充分利用现有的冷却器表面,因为通过合适布置分隔壁(14; 23,24; 29,30)和进一步 切断装置(28; 32),传热单元(1)中的流体质量流的偏转。 上述结构的传热单元特别适用于内燃机中的废气再循环; 因此,可以在各种废气再循环速率中获得最佳的冷却性能。
    • 7. 发明授权
    • Electro-magnetic injection valve having enhanced valve-opening forces
    • 具有增强的开阀力的电磁注入阀
    • US4722482A
    • 1988-02-02
    • US862101
    • 1986-05-12
    • Wolfgang JordanDieter Thonnessen
    • Wolfgang JordanDieter Thonnessen
    • F02M51/06F02M51/08H01F7/16B05B1/30
    • H01F7/1638F02M51/0632F02M2051/08Y10S239/90
    • An electrmagnetic intermittent injection valve for supplying fuel to an intake duct of an internal combustion engine comprising a hollow body having a fuel inlet for admission of fuel from a fuel supply, a fuel outlet for supply of fuel to an intake duct of an internal combustion engine, and a fuel return for returning fuel back to the fuel supply. A ball valve is movable in the body between a first position in which the fuel outlet is closed and a second position in which the fuel outlet is open. A spring acts on the ball to urge the ball to the first position. A soft iron core is disposed in the body in facing relation with the ball, the body including a housing end portion of soft iron facing the ball valve. A coil in the body serves for energizing the core and the housing end portion for producing a magnetic field having lines of flux acting on the ball valve to urge the ball valve to the second position against the resilient opposition of the spring. The core and housing end portion are arranged in relation to the ball valve such that the lines of flux produced by the housing end portion form an angle therebetween less than 90.degree..
    • 一种用于向内燃机的进气管道供给燃料的电磁间歇喷射阀,包括具有用于从燃料供给进入燃料的燃料入口的中空体,用于向内燃机的进气管供应燃料的燃料出口 以及用于将燃料返回燃料供给的燃料返回。 球阀可在本体中在燃料出口关闭的第一位置和燃料出口打开的第二位置之间移动。 弹簧作用在球上以将球推向第一位置。 软铁芯以与球面对置的方式设置在主体中,该主体包括面向球阀的软铁的壳体端部。 主体中的线圈用于激励芯和壳体端部,用于产生具有作用在球阀上的通量线的磁场,以抵抗弹簧的弹性反对将球阀推到第二位置。 芯体和壳体端部相对于球阀布置,使得由壳体端部产生的磁通线形成小于90°的角度。
    • 8. 发明授权
    • Carburettors for internal combustion engines
    • 内燃机用润滑油
    • US4379770A
    • 1983-04-12
    • US292736
    • 1981-08-14
    • Valerio BianchiAnwar AbidinDieter Thonnessen
    • Valerio BianchiAnwar AbidinDieter Thonnessen
    • F02M7/20F02M9/127F02M15/02F02M17/08F02M19/02F02M15/04
    • F02M15/027F02M17/08F02M19/0228F02M9/127Y10S261/74Y10S55/28
    • A constant pressure carburettor comprises a mixing chamber 2 which is surrounded by a heating jacket 12, an operator controlled throttle valve 3 at the downstream end of the chamber 2, a fuel feeder 5, 6 at the upstream end of the mixing chamber and a choke valve 10 at an air inlet to the carburettor. The choke valve 10 is, in use, controlled automatically by the air flow into the carburettor in dependence on the opening of the throttle valve 3 and the speed of the engine to which the carburettor is fitted. The choke valve 10 tends to produce vortices or turbulence in the air flow and this tends to cause the fuel supplied by the feeder 5, 6 to the wall of the chamber 2 to be prematurely removed before it is heated. This adversely affects the vaporization of the fuel and the formation of the air-fuel mixture. To avoid turbulence or vortices in the chamber 2, a stabilization conduit 16 is provided between the choke valve 10 and the fuel feeder 5, 6. The conduit 16, which preferably has two right-angle bends as shown, damps out or at least decreases the vortices or turbulence in the air flow before it reaches the mixing chamber 2.
    • 恒压化油器包括由加热套12围绕的混合室2,在室2的下游端的操作者控制的节流阀3,在混合室的上游端的燃料供给器5,6,以及扼流圈 阀10在化油器的空气入口处。 在使用中,阻气门10根据节流阀3的打开和化油器装配的发动机的速度,通过进入化油器的气流自动控制。 阻塞阀10倾向于在空气流中产生涡流或湍流,这倾向于使得由加料器5,6供应的燃料在室2的壁之前被过热地除去。 这不利地影响燃料的蒸发和空气 - 燃料混合物的形成。 为了避免室2中的湍流或涡流,在阻流阀10和燃料供给器5,6之间设置稳定导管16.如图所示,优选地具有两个直角弯曲部的导管16被阻尼或至少减小 空气流中的涡流或湍流到达混合室2之前。