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    • 1. 发明公开
    • ROTIERENDE ELEKTRISCHE MASCHINE
    • EP2756582A2
    • 2014-07-23
    • EP12769988.2
    • 2012-09-12
    • EBM-Papst Mulfingen GmbH&CO. KG
    • STILLGER, ReinhardPFAFF, ChristianKROTSCH, JensBAUN, MartinBAER, MartinEHMANN, TobiasHEINZE, MarkGERNER, ReinholdHAMMEL, Christian
    • H02K5/18H02K9/08H02K9/14
    • H02K9/16H02K5/18H02K9/08H02K9/14H02K9/22
    • The present invention relates to a rotating electrical machine (1) in the form of a generator or motor, having a stator (4) which is arranged in a housing (2) and a rotor (10) which is mounted such that it can rotate about a rotation axis (8) via a shaft (6). The housing (2) has a peripheral wall (12) and two end walls (14, 16) which are situated axially opposite one another and are in the form of bearing flanges with rotary mounts (18) for the shaft (6). Two cooling fan impellers (20, 22) are connected to the shaft (6), specifically firstly, within the housing (2), an inner cooling fan impeller (20) which generates an inner cooling air circuit (A) within the housing (2) when it rotates, and secondly, outside the housing (2), an outer cooling fan impeller (22) which generates a cooling air flow (B) which flows over the housing (2) when it rotates. The first end wall (14) which is arranged on the side of the outer cooling fan impeller (22) is formed with a high degree of thermal conductivity of at least (formula I), and has, on its outer face which faces the outer cooling fan impeller (22), an outer cooling rib geometry (28) and also, on its opposite inner face, an inner cooling rib geometry (30).
    • 本发明涉及一种发电机或电动机形式的旋转电机(1),其具有布置在壳体(2)中的定子(4)和安装成使其能够旋转的转子(10) 围绕经由轴(6)的旋转轴线(8)。 壳体(2)具有周向壁(12)和两个端壁(14,16),这两个端壁彼此轴向相对地设置并且具有带有用于轴(6)的旋转安装座(18)的轴承法兰形式。 两个冷却风扇叶轮(20,22)连接到轴(6),具体地,首先在壳体(2)内连接内部冷却风扇叶轮(20),该叶轮在壳体内产生内部冷却空气回路(A) 2)当其旋转时,其次在外壳(2)的外部形成外部冷却风扇叶轮(22),该外部冷却风扇叶轮产生在其旋转时流过外壳(2)的冷却空气流(B)。 布置在外冷却风扇叶轮(22)侧的第一端壁(14)形成有至少(式I)的高导热率,并且在其面向外侧 冷却风扇叶轮(22),外部冷却肋几何结构(28)以及在其相对内表面上的内部冷却肋几何结构(30)。
    • 5. 发明公开
    • GEHÄUSE FÜR EINEN VENTILATOR ODER LÜFTER
    • 住房风扇或风扇
    • EP2904274A2
    • 2015-08-12
    • EP13753609.0
    • 2013-08-21
    • EBM-Papst Mulfingen GmbH&CO. KG
    • SAUER, ThomasBEST, DieterEHMANN, TobiasHUFNAGEL, VolkerHOSS, Sebastian
    • F04D25/08F04D29/52F04D29/64
    • The invention relates to a housing for a ventilator (1) or fan, in particular an axial ventilator, comprising an annular housing wall (2) which encloses a flow channel (3) having an inflow opening (4) and an outflow opening (6). The flow channel (3) has a circular cross-section in a plane which is perpendicular to a center longitudinal axis (X-X) and a motor mount (7) for an electrical motor (8) of the ventilator (1) within the flow channel (3). The flow channel (3) has a first cylinder section (9), connected to the inflow opening (4), and a second truncated cone section (11), connected thereto by the small truncated cone surface, which expands toward the outflow opening (6). The mount (7) consists of a plurality of stays (12), fastened by one end to the second truncated cone section (11), which extend from an inner circumferential surface of the truncated cone section (11) in the direction of the longitudinal axis (X-X) and have, on the other, internal ends, mount sections for the electrical motor (8). According to the invention, there are fastening means (24, 26) of the housing wall (2) in the region of the inflow opening (4) for connection to a connection part, in particular a wall ring (49a, b, c, d) and having fastening means (28) in the edge region of the outflow opening (6) thereof for a protective grate (23) and/or fastening means (29, 31) for fastening an outside diffusor (37) to the housing wall (2) in the region of the outflow opening (6).