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    • 122. 发明公开
    • RADIALKOLBENMOTOR MIT ROLLENFÜHRUNG
    • 与滚子导轨径向柱塞马达
    • EP1062426A2
    • 2000-12-27
    • EP99915563.3
    • 1999-03-10
    • Mannesmann Rexroth AG
    • CUNNINGHAM, Sinclair
    • F03C1/04
    • F04B1/0439F03C1/0428F04B1/0408
    • The invention concerns a technically optimised radial piston engine comprising a cam ring and a cylinder block arranged so as to rotate about an axis of rotation relative to the cam ring and having a plurality of cylinders oriented in the radial direction of the cylinder block. A piston capable of being radially displaced is located in each cylinder, resting on the cam ring via a roller. Said roller is mounted on the piston so as to rotate about an axis parallel to that of the cylinder block and rests axially, relative to its axis of rotation in the cylinder, against roller guides arranged on its surfaces. Said radial piston engine is characterised in that the roller guides are integrally mobile with the roller associated with them, in the piston stroke direction, and thereby driven by the roller both when the piston performs a loaded stroke and an idle stroke, without any contact occurring between the roller guides and the cam ring. The pistons are rotationally fixed by a torsional stop which is separate from the roller guide.
    • 125. 发明公开
    • Hydraulic motor comprising radially arranged, tubular propulsion elements
    • 液压马达包括径向布置的管状推进元件
    • EP0851119A3
    • 1998-08-05
    • EP97203800.4
    • 1997-12-03
    • RIVA CALZONI S.p.A.
    • Breveglieri, Alessandro
    • F03C1/04F03C1/06
    • F03C1/0406F03C1/0605
    • Hydraulic motor with propulsion members (10; 110) located between an eccentric cam (3; 103) associated with a shaft (2,102) and a counter-element (1b;200), said propulsion members (10;110) consisting of two elements (11,12;111;112) slidable telescopically with respect to one another in the longitudinal direction and having annular bearing shoulders (11a,12a;111a,112a) kept pressed against corresponding sliding-contact surfaces (3a;103b,1a;201a) of said eccentric cam (3;103) and counter-element (1b,200) by means of associated resilient means (16), wherein said resilient means (16) are located outside the said propulsion members (10;110) and arranged between said annular edges (11a,12a;111a,112a) and associated means (13,14,17,18;113,114,117,118) for mechanically retaining them.
    • 具有位于与轴(2,102)相关联的偏心凸轮(3; 103)和反作用元件(1b; 200)之间的推进构件(10; 110)的液压马达,所述推进构件(10; 110) (11a,12a; 111a,112a)保持压靠在相应的滑动接触表面(3a; 103b,1a; 201a)上的滑动接触表面(11,12; 111; 112) )通过相关的弹性装置(16)与所述偏心凸轮(3; 103)和反作用元件(1b,200)连接,其中所述弹性装置(16)位于所述推进构件(10; 110) 在所述环形边缘(11a,12a; 111a,112a)和用于机械地保持它们的相关装置(13,14,17,18; 113,114,117,118)之间。
    • 128. 发明公开
    • Hydraulic radial piston motor with variable cylinder capacity
    • Hydraulischer Radialkolbenmotor mitveränderbaremHubvolumen。
    • EP0685647A2
    • 1995-12-06
    • EP95200926.4
    • 1995-04-12
    • RIVA CALZONI S.p.A.
    • Breveglieri, Alessandro
    • F03C1/04F04B49/12F04B1/07
    • F04B49/125F03C1/046F04B1/07
    • A variable-displacement hydraulic motor with radial cylinders supplied by a rotary fluid distributor (4) and acting on an eccentric ring (6) axially secured to a crankshaft (7) but capable of moving radially with respect thereto, being provided with a device for operating and controlling the variation of eccentricity of eccentric ring (6) with respect to crankshaft (7), which comprises at least one pair of actuating pistons (8, 9) located in counterposition to and independent of one another, arranged in a radial sense between shaft (7) and ring (6), each of which is made mechanically integral with such eccentric ring (6) via appropriate means of connection (8a, 9a), and at least one pair of cross-connected valves (10) to block the flow of the fluid operating such actuating pistons (8, 9).
    • 一种具有由旋转流体分配器(4)提供并且作用在轴向固定到曲轴(7)但能够相对于曲轴(7)径向运动的偏心环(6))上的径向气缸的可变排量液压马达设置有用于 操作和控制偏心环(6)相对于曲轴(7)的偏心率的变化,该曲轴(7)包括至少一对致动活塞(8,9),所述至少一对致动活塞(8,9)彼此相对并且彼此独立地以径向方式 在轴(7)和环(6)之间,其中的每一个通过适当的连接装置(8a,9a)与这种偏心环(6)机械地成一体,并且至少一对交叉连接的阀(10)至 阻止操作这种致动活塞(8,9)的流体的流动。
    • 129. 发明公开
    • Piston de moteur hydraulique
    • Flüssigkeitsmotorkolben。
    • EP0607069A1
    • 1994-07-20
    • EP94400045.4
    • 1994-01-07
    • POCLAIN HYDRAULICS
    • Martin, LouisSouply, Jean-Pierre
    • F03C1/04
    • F03C1/0406
    • L'invention est relative, dans un moteur comprenant un bloc-cylindres, dans lequel un cylindre présente une première (26) et deuxième (28) paroi cylindrique, la première paroi (26) étant plus éloignée de l'axe de rotation que la deuxième paroi (28) et ayant une section transversale supérieure à celle de la deuxième paroi, à un piston comportant un premier (31) et un deuxième (33) corps de piston montés dans les première et deuxième parois (26, 28), avec lesquelles ils délimitent des première et deuxième chambres (35, 25), un joint (42) réalisant l'étanchéité entre le premier corps (31) et la première paroi (26) et un moyen réalisant une communication entre les première et deuxième chambres (35, 25).
      Selon l'invention, le moyen de communication comprend une réduction (45) de la section du deuxième corps (33), s'étendant à la périphérie radiale du deuxième corps, entre une section transversale d'extrémité (39) du deuxième corps, et le premier corps (31).
      Une application est la réalisation d'un moteur mécaniquement résistant, fiable, ayant un prix de revient réduit.
    • 本发明涉及一种包括气缸体的发动机,其中气缸具有第一(26)和第二(28)圆柱形壁,所述第一壁(26)比所述第二壁(28)更远离所述旋转轴线, 并且具有大于第二壁的横截面的横截面,包括安装在第一和第二壁(26,28)中的第一(31)和第二(33)活塞体的活塞,它们首先限定 和第二室(35,25),在第一主体(31)和第一壁(26)之间实现密封的密封件(42)和实现第一和第二室(35,25)之间连通的装置。 根据本发明,通信装置包括在第二主体(33)的横截面上延伸到第二主体的径向周边的第二主体的横向端部(39)之间的减小(45) 和第一主体(31)。 一种应用是生产机械强度可靠的发动机,具有降低的零售成本。