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    • 2. 发明申请
    • RECIPROCATING STEAM ENGINE WITH INTERNAL COOLING
    • 具有内部冷却HUBKOLBENDAMPFMASCHINE
    • WO2013037645A3
    • 2013-06-06
    • PCT/EP2012066899
    • 2012-08-30
    • KUHL NORBERT
    • KUHL NORBERT
    • F01K7/00F01B31/08F01K7/36F01K11/00F01K21/00F01P9/02
    • F01K7/36F01K7/00F01K11/00F01K21/005
    • The invention relates to a reciprocating steam engine having a working cylinder (2) and a working piston (3) received in the working cylinder so as to be longitudinally movable. The working cylinder can be filled via at least one inlet valve (9e) with a single-component or multi-component working medium. The working medium can be removed from the working cylinder via at least one outlet valve (9a). To this end the inlet and outlet valves can be controlled so that the working piston can be acted upon by gaseous pressurised working medium in order to perform lifting work. After expansion, in an expulsion phase the working medium can be expelled from the working cylinder by means of the working piston. The reciprocating steam engine also has spray devices (20) for spraying in at least one component of the working medium as an aerosol condensate during a compression phase. During operation of a reciprocating steam engine with an arrangement of spray devices according to the invention aerosol condensate is sprayed into the working cylinder in the phase in which the working piston moves from the bottom dead centre in the direction of the top dead centre.
    • Hubkolbendampfmaschine包括工作缸(2)和可纵向移动在工作缸工作活塞(3)接收。 通过在工作缸中的至少一个进气阀(9E)可填充有单或mehrkomponentigem工作介质。 通过至少一个排气阀(9a)中,从工作缸中的工作介质是可拆卸的。 进气门和排气门使可控的,对于提升与气态的压力工作介质工作绩效的工作活塞采取行动。 工作流体在膨胀之后从所述工作气缸的排气阶段中,由工作活塞的装置压出。 所述Hubkolbendampfmaschine进一步包括喷射装置(20),用于在压缩阶段期间喷射作为aerosoles冷凝的工作介质的至少一种组分。 与喷雾装置的根据本发明的布置的Hubkolbendampfmaschine的操作aero​​soles冷凝在相位被喷射到动力缸,其中来自朝向上死点移动时的下死点,工作活塞。
    • 3. 发明申请
    • MOTEUR A VAPEUR PERFECTIONNE
    • WO2022064152A1
    • 2022-03-31
    • PCT/FR2021/051640
    • 2021-09-23
    • STEAMEAS P.A.D.G. CONSEIL SAS
    • BEN AMOUR, RichardCASTELLA, Jean-Pierre
    • F01K7/36F01B31/08F22B3/04F01K21/02
    • Le moteur proposé comprenant au moins deux cylindres 5 logeant chacun un piston. Les deux cylindres sont placés espacés au centre d'un carter isolant thermiquement 4, maintenant leur température lors de la production de vapeur à une température largement supérieure à la température de la tension de vapeur saturante de l'eau, et inférieure à la température de la tension de vapeur saturante de l'eau au point critique, typiquement 220 à 270 °C, voire ajustable entre 220° et 285°C selon les besoins de puissance maximale. Une injection commandée électroniquement injecte à haute pression la masse d'eau en fines gouttelettes pulvérisées dans le cylindre où elles se vaporisent immédiatement; la pression d'injection dans le cylindre étant à une pression supérieure à celle de la tension de vapeur d'eau saturante au point critique. Le chauffage de la chambre de vaporisation du cylindre est assuré par la conduction et la convection des parois de chaque cylindre porté à la température de fonctionnement, par la combustion du mélange gazeux hydrogène et oxygène produit par l'électrolyse de l'eau d'un électrolyseur, ou plusieurs électrolyseurs en fonction de la taille du cylindre et la capacité de la chambre de vaporisation, en particulier à l'aide d'une circulation de fluide caloporteur chauffé grâce à cette combustion.
    • 4. 发明申请
    • A LUBRICANT-COOLED AND WRISTPIN LUBRICATING PISTON
    • 润滑油和书写润滑活塞
    • WO2003098003A1
    • 2003-11-27
    • PCT/US2003/015560
    • 2003-05-15
    • DELTAHAWK, INC.DOERS, Douglas, A.
    • DOERS, Douglas, A.
    • F01B31/08
    • F02F3/20F01M1/06F01M2001/086F01M2011/025F01M2011/027F02F3/22F16J1/08F16J1/14F16J1/16
    • A piston for an internal combustion engine including a skirt (32) and a crown (34). The skirt includes a top portion (48) and a cylindrically-shaped wall portion (50) extending from the top portion defining a skirt cavity (82). The top portion includes upper and lower surfaces. The lower surface is configured to define a bearing surface (72) for the wristpin (98). The crown is coupled to the skirt and includes a lower surface in facing relation to the upper surface. The lower surface of the crown and the upper surface define a lubrication cavity (46). The top portion includes at least one inlet hole (84) adapted to supply a lubricant from the skirt cavity to the lubrication cavity. The top portion includes at least one lubrication hole (90) adapted to supply the lubrication cavity to the bearing surface and the wristpin.
    • 一种用于内燃机的活塞,其包括裙部(32)和表冠(34)。 裙部包括顶部部分(48)和从限定裙部空腔(82)的顶部部分延伸的圆柱形壁部分(50)。 顶部包括上表面和下表面。 下表面构造成限定用于腕销(98)的支承表面(72)。 冠部连接到裙部并且包括面向上表面的下表面。 冠部的下表面和上表面限定润滑腔(46)。 顶部包括至少一个入口孔(84),其适于将润滑剂从裙部空腔供应到润滑腔。 顶部包括至少一个润滑孔(90),其适于将润滑腔供应到支承表面和腕销。
    • 8. 发明申请
    • PISTON MACHINE WITH ADIABATIC EXPANSION SPACE
    • 活塞机具有ADIABATIC膨胀空间
    • WO2014117756A1
    • 2014-08-07
    • PCT/CZ2014/000013
    • 2014-01-30
    • KORČIŠ, VavřinecKORČIŠ, Vavřinec
    • KORČIŠ, VavřinecKORČIŠ, Vavřinec
    • F02B77/11F01B31/08
    • F01B31/08F01B7/18F02B77/11
    • The piston machine with adiabatic expansion space has an expansion space (8) in which there occurs the adiabatic thermodynamic action, when there occurs thermal exchange between the operation medium and the surrounding environment only in negligible volume, which means an increase of the piston machine efficiency. The base of the machine is the set (1) of the cylinder, the complex piston (3) with gudgeon pin (4) for connection of the piston (3) with the piston rod (5) and crank shaft (6) in the case (11). The complex piston (3) consists of the carrier (7), the piston (9) and the guide ring (10). The set (1) of the cylinder consists of the bushing (12) and the cylinder (14). The bushing (12) and the guide ring (10) create the set for straight guide of the piston (9) in the cylinder (14) and for absorption of side pressures between them. The expansion space (8), consisting of the bottom (20) of the piston (9) and inner surface (19) of the cylinder (14), is separated from the bushing (12) and the guide ring (10) by thermal insulation (16). The movement of the guide ring (10) on the walls of the bushing (12) is supported by the lubricant which is not subject to degradation by influence of heat or chemical influence of the medium. When there is flexibly placed the cylinder (14) and the piston (9) and there is selected the suitable material, a freely aligned set is developed in the expansion space (8) where tightness is reached without piston rings and where no cooling or lubrication is needed due to absence of side pressures and impacts.
    • 具有绝热膨胀空间的活塞机具有膨胀空间(8),其中存在绝热的热力学作用,当操作介质和周围环境之间仅在可忽略的体积上发生热交换时,这意味着增加活塞机效率 。 机器的底座是气缸的组合件(1),复合活塞(3)具有用于将活塞(3)与活塞杆(5)和曲柄轴(6)连接的舵杆销(4) 情况(11)。 复合活塞(3)由载体(7),活塞(9)和引导环(10)组成。 缸体(1)由衬套(12)和气缸(14)组成。 衬套(12)和导向环(10)在气缸(14)中形成用于活塞(9)的直引导件并用于吸收它们之间的侧压的组。 由活塞(9)的底部(20)和气缸(14)的内表面(19)组成的膨胀空间(8)通过热量与衬套(12)和导向环(10)分离 绝缘(16)。 引导环(10)在衬套(12)的壁上的移动由不受介质的热或化学影响而不会劣化的润滑剂支撑。 当灵活地放置气缸(14)和活塞(9)并且选择合适的材料时,在膨胀空间(8)中形成自由对准的组,其中没有活塞环并且没有冷却或润滑 是由于没有侧面压力和影响而需要的。
    • 10. 发明申请
    • MONOBLOC PISTON
    • MONOBLOC活塞
    • WO2003036045A1
    • 2003-05-01
    • PCT/US2002/033492
    • 2002-10-21
    • FEDERAL-MOGUL CORPORATION
    • GAISER, RandallZHU, XiluoNIGRO, Roberto, Bueno
    • F01B31/08
    • F02F3/00F01M2001/083F02F3/22F02F2003/0007
    • A monobloc piston has at least two steel parts (13, 15) welded together to define an inner cooling gallery (32). An outer ring belt (14) is spaced from an inner annular support wall (34) and is joined by a combustion bowl (28) and a lower wall. A pair of pin bosses (38) have axially aligned pin bores (44). A skirt (46) is formed as one immovable piece with the pin bores. The piston has the following dimensional relationships: ISMD = 42-55% of BD, where ISMD is a mean diameter on the inner support wall and BD is an outer diameter of the ring belt wall, ISW = 3-8% of BD, where ISW is a sectional width of inner wall; CH > 53% of BD where CH is a compression height measured between the pin bore axis and the upper surface, TLH > 4% of BD, where TLH is a top land height measured between the top of the upper ring groove and the upper surface, SL = 30-80% of BD, where SL is a length of the skirt measured between the upper and lower ends of the skirt, SW = 2.5 - 6.5% of BD, where SW is a thickness of the skirt, and GV = 150-250% of BD 2 and 5-20% of BD 2 x CH, where GV is a volume of the oil gallery.
    • 单块活塞具有至少两个焊接在一起以限定内部冷却廊(32)的钢部件(13,15)。 外环带(14)与内环形支撑壁(34)间隔开并且通过燃烧碗(28)和下壁连接。 一对销凸起(38)具有轴向对齐的销孔(44)。 裙部(46)形成为具有销孔的一个不可移动的部件。 活塞具有以下尺寸关系:ISMD = BD的42-55%,其中ISMD是内支撑壁上的平均直径,BD是环带壁的外径,ISW = BD的3-8%,其中 ISW是内壁的截面宽度; CH> 53%的BD,其中CH是在销孔轴和上表面之间测量的压缩高度,TLH> BD的4%,其中TLH是在上环槽的顶部和上表面之间测量的顶部高度 ,SL = BD的30-80%,其中SL是在裙部的上端和下端之间测量的裙部的长度,SW = BD的2.5- 6.5%,其中SW是裙部的厚度,GV = BD2的150-250%和BD20的5-20%,其中GV是油画廊的体积。