A cooling system for a rotary electric machine which is provided in a vehicle for driving the vehicle. The cooling system includes: a first pump which is to be mechanically driven accompanying with running of the vehicle, to supply lubricant to the rotary electric machine; and a second pump which is to be driven by a second drive source that is other than a first drive source of the first pump, to supply the lubricant to the rotary electric machine. The first pump is configured to supply the lubricant, through a first passage, to an inside of a rotary shaft of a rotor core of the rotary electric machine. The second pump is configured to supply the lubricant, through a second passage, to a coil of a stator of the rotary electric machine.
COOLING SYSTEM FOR VEHICLE ROTARY ELECTRIC MACHINE
14.03.2019
Patent
Elektronische Ressource
Englisch
COOLING SYSTEM OF ROTARY ELECTRIC MACHINE AND COOLING METHOD OF ROTARY ELECTRIC MACHINE
Europäisches Patentamt | 2019
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