Systems for cooling or ventilating

Industry

  • CPC
  • H02K9/00
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Sub Industries

H02K9/005Details of cooling systems with unspecified cooling medium flowing through channels in or between the conductors H02K9/02by ambient air flowing through the machine H02K9/04having means for generating flow of cooling medium H02K9/06with fan or impeller driven by the machine shaft H02K9/08by gaseous cooling medium circulating wholly within the machine casing H02K9/10by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing H02K9/12wherein the cooling medium circulates freely within the casing H02K9/14wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle H02K9/16wherein the cooling medium circulates through ducts or tubes within the casing H02K9/18wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing H02K9/19for machines with closed casing and with closed circuit cooling using a liquid cooling medium H02K9/193with provision for replenishing the cooling medium with means for preventing leakage of the cooling medium H02K9/197in which the rotor or stator space is fluid tight H02K9/20wherein the cooling medium vaporises within the machine casing H02K9/22by solid heat conducting material embedded in, or arranged in contact with, stator or rotor H02K9/24Protection against failure of cooling arrangements H02K9/26Structural association with machine of devices for cleaning or drying cooling medium H02K9/28Cooling of commutators, slip-rings, or brushes