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    • 2. 发明授权
    • OIL PUMP
    • EP3219989B1
    • 2018-09-19
    • EP15858717.0
    • 2015-09-25
    • Aisin Seiki Kabushiki Kaisha
    • TERADA, Mitsuru
    • F04C14/22F04C2/332
    • F01C1/336F01C21/08F04C2/332F04C2/336F04C14/223F04C2210/206
    • This oil pump includes an inner rotor in which a plurality of vanes is housed such that the plurality of vanes is slidable in a radial direction, an outer rotor connected with tip ends of the plurality of vanes, a first volume-changing part, which is provided between the inner rotor and the outer rotor, a volume of which is changed in response to eccentricity of the inner rotor with respect to the outer rotor, and a second volume-changing part, which is provided in the outer rotor, a volume of which is changed by a change in a distance between vane-connecting parts adjacent to each other in a circumferential direction in response to the eccentricity of the inner rotor with respect to the outer rotor. Each of a plurality of outer rotor pieces, which is annularly connected to each other, of the outer rotor includes a first engaging part provided in a first end surface in an axial direction and a second engaging part provided in a second end surface in the axial direction and being capable of engaging with the first engaging part of an adjacent one of the outer rotor pieces, and the plurality of outer rotor pieces is circumferentially arranged in a state where the first engaging part and the second engaging part of the outer rotor pieces being adjacent to each other engage with each other such that a distance therebetween in the circumferential direction is variable.
    • 4. 发明公开
    • VARIABLE DISPLACEMENT PUMP
    • PUMPE MIT VARIABLERVERDRÄNGUNG
    • EP3037663A1
    • 2016-06-29
    • EP15200623.5
    • 2015-12-17
    • MAHLE Filter Systems Japan Corporation
    • SHINOHARA, Toru
    • F04C2/332F04C2/348F04C14/22
    • F04C14/22F04C2/332F04C2/348F04C2/352F04C14/226F04C15/06F04C18/352F04C28/22F04C29/12F04C2240/54
    • Variable displacement pump including a housing (2) having a pair of end wall surfaces (2b); an annular outer rotor guide (3) swingably disposed between the pair of end wall surfaces (2b); a cylindrical outer rotor (4); an inner rotor (5) provided radially inward of the outer rotor (4) and configured to rotate integrally with a drive shaft at a location eccentric relative to the outer rotor (4); and a plurality of coupling plates (6) coupling the inner rotor (5) and the outer rotor (4). The outer rotor (5) is rotatably fitted into an outer rotor supporting surface (3a) of the outer rotor guide (3). A space between the inner rotor and the outer rotor is partitioned into a plurality of chambers by the plurality of coupling plates (6). A concave portion (30) is formed in the outer rotor supporting surface (3a) such that the concave portion (30) exists over an entire axial range between the both end surfaces (3c) of the outer rotor guide (3).
    • 可变排量泵包括具有一对端壁表面(2b)的壳体(2); 可摆动地设置在所述一对端壁表面(2b)之间的环形外转子引导件(3); 圆柱形外转子(4); 内转子(5),其设置在所述外转子(4)的径向内侧,并且构造成在与所述外转子(4)偏心的位置处与驱动轴一体旋转; 以及联接内转子(5)和外转子(4)的多个联接板(6)。 外转子(5)可旋转地配合在外转子导向件(3)的外转子支承面(3a)上。 内转子和外转子之间的空间由多个联接板(6)分隔成多个室。 在外转子支撑面(3a)上形成有凹部(30),使得凹部(30)存在于外转子导向件(3)的两端面(3c)之间的整个轴向范围内。
    • 10. 发明公开
    • OSCILLATING VANE PUMP
    • 振动叶片泵
    • EP2478225A2
    • 2012-07-25
    • EP10768562.0
    • 2010-09-09
    • VHIT S.p.A.
    • CADEDDU, Leonardo
    • F04C2/332F04C2/46F04C15/06
    • F04C2/46F04C2/332F04C11/001F04C11/008F04C15/06F04C2240/20F04C2240/30F04C2240/40F04C2270/13
    • An enclosed positive displacement mechanism including a body with an inlet and an outlet; a rotor mounted in the body and rotatable about a main axis; an orbiting piston located in the cavity, rotatable about an eccentric secondary axis and arranged to orbit around the main axis to roll on the internal side surface of the cavity; and a vane located in the cavity, slidable in the piston and mounted in the body between one inlet and one outlet so as to oscillate. The orbiting piston and the vane divide in cyclic manner the cavity into a first and a second chamber with variable volume, which are mutually complementary and communicate with the inlet and the outlet. During a portion of its oscillation, the vane passes through the piston and is in contact with the side surface of the cavity, thereby separating the chambers in a fluid-tight manner.
    • 摆动叶片机构包括:限定具有入口(22; 122)和出口(24; 124)的圆柱形空腔(20)的主体(12,312); 安装在所述主体(12,312)中以便可围绕主轴线(X-X)旋转的转子(14,314); 位于空腔(20)中的轨道式活塞(16)可围绕偏心副轴线(Y-Y)旋转并且布置成围绕主轴线(X-X)旋转并且在内侧表面 的空腔(20); 和位于空腔(20)中的叶片(18)可在活塞(16)中滑动并且在至少一个入口(22; 122)和至少一个出口 (24; 124)以便能够摆动。 叶片(18)穿过活塞(16)并且与空腔(20)的侧表面接触,由此以流体密封的方式分隔室(54,56)。