Electric machine with cooling system

Electric machine with cooling system

  • CN 1,685,590 B
  • Filed: 09/11/2003
  • Issued: 06/20/2012
  • Est. Priority Date: 09/24/2002
  • Status: Active Grant
First Claim
Patent Images

1. motor, it has-one rotatably mounted rotor and one is the stator of fixed-site in casing of phase configuration with it, and-one device that is used to cool off some parts of interior;

  • This cooling device is in the distolateral pipe-line system that comprises a closure of at least one of casing (8) (20,30,30A, 40,45,53,54);

    This pipe-line system has at least one vaporizer that is in interior (22,22A, 32,32A, 51,52) and is in the casing outside with at least one and compares the condenser (21,31,43,46) in higher geographical position with vaporizer;

    And the tube connector that between condenser and vaporizer, extends (23,24,33,34), and in this pipe-line system based on the steam (k of a cooling agent g) and liquid (k f) between density contrast press the thermosyphon effect at this cooling agent (k f, k g) the closed-loop path in circulate, Wherein, the liquid-vapour mixture of said cooling agent is saturated in this pipe-line system,It is characterized in that, be used for cooling agent (k f) tube connector (23,33) in the input vaporizer (22,22A, 32,32A, 51,52) has than is used for cooling agent (k g) from the littler pipe section of tube connector (24,34) that vaporizer is derived, said at least one vaporizer (22A, 32A) is connected with the direct heat conduction of at least one distolateral winding overhang of a stator winding (6a, 6a '"'"' or 6b, 6b '"'"').

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