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    • 6. 发明公开
    • VANNE MOTORISÉE ET PROCÉDURE D'ASSEMBLAGE D'UN MOYEN DE FIXATION
    • VANNEMOTORISÉEETPROCÉDURED'ASSEMBLAGE D'UN MOYEN DE FIXATION
    • EP3158241A1
    • 2017-04-26
    • EP15725681.9
    • 2015-06-08
    • MMT AG
    • MELLERE, CédricBROSSARD, Olivier
    • F16K31/04F16K1/22
    • F16K31/041F16K1/221
    • The invention relates to a motor-driven valve including an actuator, a valve consisting of a pipe, a valve holder and a flap capable of closing off the pipe, the flap being moved by the actuator by means of a transmission shaft, a seal and an attachment means enabling the actuator to be rigidly connected to the valve, the seal being positioned in a groove in the valve holder and such as to be in contact with the base of the actuator, the valve being sealed by flattening the seal under a force F
      j , the actuator assembly, transmission shaft and flap having a mass M and being subjected to an acceleration, relative to the valve, that is equal to X g, g being the gravity acceleration, characterised in that the attachment means is in the form of a clamping collar that exclusively consists of one or more identical and deformable strips, in that the clamping collar has a shape which is complementary both to the base of the actuator and to the valve holder, in that the clamping collar is clamped around the base of the actuator and at least in part around the valve holder, and in that the deformable strip(s) is/are locally deformed reversibly and resiliently in order to compress the seal by applying an axial contact force F
      a between the actuator and the valve that is greater than S
      1 x(F
      j + MxXxg), S
      1 being a safety factor greater than 1, and is/are locally deformed irreversibly and plastically in order to lock the position.
    • 本发明涉及一种电动阀,其包括致动器,由管道构成的阀,阀座和能够关闭管道的阀瓣,阀瓣由致动器通过传动轴移动,密封件和 能够使致动器刚性地连接到阀的附接装置,密封件定位在阀保持器中的凹槽中并且例如与致动器的基部接触,通过在力的作用下使密封件变平 Fj,所述致动器组件,传动轴和翼片具有质量M并且相对于所述阀受到加速,其等于X g,g是重力加速度,其特征在于,所述附接装置的形式为 一个专门由一个或多个相同且可变形的条带组成的夹紧套环,其中夹紧套环具有与致动器的底座和阀座相互补充的形状,其中夹紧套环被夹紧 围绕致动器的基部并且至少部分地围绕阀保持件,并且可变形的条带可逆地且弹性地局部变形,以便通过在致动器与致动器之间施加轴向接触力Fa来压缩密封件 大于S1x(Fj + MxXxg)的阀,S1是大于1的安全系数,并且为了锁定位置而不可逆地且塑性地局部变形。
    • 7. 发明公开
    • ACTIONNEUR ELECTRIQUE
    • ELEKTRISCHER AKTUATOR
    • EP3134961A2
    • 2017-03-01
    • EP15724770.1
    • 2015-04-21
    • MMT AG
    • ANDRIEUX, GaëlWATRIN, MathieuKELTZ, Guillaume
    • H02K37/14H01F7/124H02K7/102
    • H02K37/14F16D28/00F16D2023/123H01F7/124H02K7/1023
    • Electric motor comprising a rotor (10) comprising a magnetized part (18) defining a plurality of rotor poles, a motor stator (12) comprising a plurality of windings (28) and a magnetic armature (26) defining a magnetic circuit, and a rotor brake device (14). The rotor brake device comprises a mobile element (30) and a brake stator (12b) comprising a magnetic brake armature (26b) and a brake activation winding (46) supported by the magnetic brake armature. The brake activation winding is configured to cause the mobile element to move from a disengaged position in which the rotor is free to turn into an engaged position in which the rotor is held in a static position prevented from rotating. The magnetic brake armature (26b) of the brake stator is secured to the magnetic armature (26) of the motor stator (12).
    • 电动机包括:转子(10),包括限定多个转子极的磁化部分(18);电动机定子(12),包括多个绕组(28)和限定磁路的磁性衔铁(26);以及 转子制动装置(14)。 转子制动装置包括可动元件(30)和包括磁性制动电枢(26b)的制动器定子(12b)和由磁性制动电枢支撑的制动器启动绕组(46)。 制动器启动绕组构造成使得移动元件从其中转子自由转动到接合位置的分离位置移动,在该位置中转子被保持在防止旋转的静止位置。 制动器定子的磁性制动电枢(26b)固定在电机定子(12)的磁性衔铁(26)上。