Electric rotating machine
1 Assignment
0 Petitions
Accused Products
Abstract
An electric rotating machine capable of lowering the temperature of a rotor disposed, wherein at least one of closed ventilation loops for cooling is formed, one of the loops constituting a ventilation passage communicating with an exhaust side through a heat source of the end of the generator to a cooler, thereby to supply cooling wind to the rotor after it passes through the cooler.
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Citations
62 Claims
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1-38. -38. (canceled)
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39. An electric rotating machine comprising a stator, a rotor rotating in opposite relation with the stator, a rotating shaft rotating with the rotor, a fan disposed in the vicinity of the end portion of the rotating shaft, a first cooler, a second cooler disposed on the axial line extending in the first cooler to the rotating shaft, a rotor ventilation duct disposed in the rotor, a stator ventilation duct disposed in the stator, and an entrance port communicated with the rotor ventilation duct, wherein gas that has passed through the rotor ventilation duct is guided to the stator ventilation duct;
- the gas that has passed through the stator ventilation duct is guided to the first cooler;
the air that has passed through the first cooler is guided to the second cooler by way of the end portion of the stator; and
part of the air that has passed through the second cooler is guided to the entrance port of the rotor ventilation duct, without passing through the fan. - View Dependent Claims (43, 44, 45, 46, 47, 58)
- the gas that has passed through the stator ventilation duct is guided to the first cooler;
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40. An electric rotating machine comprising a stator, a rotor rotating in opposite relation with the stator, a rotating shaft rotating with the rotor, a fan disposed in the vicinity of the end portion of the rotating shaft, a rotor ventilation duct disposed in the rotor, a stator ventilation duct disposed in the stator, and an entrance port communicated with the rotor ventilation duct, wherein gas compressed by the fan passes through the end portion of the stator;
- the gas that has passed through the end portion of the stator is guided to the first cooler;
the gas that has passed through the first cooler is guided to the rotor ventilation duct, without passing through the fan;
the gas that has passed through the rotor ventilation duct is guided to the stator ventilation duct;
the gas that has passed through the stator ventilation duct is guided to the first cooler; and
the air that has passed through the first cooler is guided to the fan. - View Dependent Claims (48, 49, 50, 51, 52)
- the gas that has passed through the end portion of the stator is guided to the first cooler;
- 41. An electric rotating machine having a first cooler and a second cooler, which comprises a stator, a rotor rotating in opposite relation with the stator, a rotor ventilation duct disposed in the rotor, a stator ventilation disposed in the stator, a first ventilation passage for guiding gas that has passed through end portion of the stator to the stator ventilation duct, and a second ventilation passage for guiding gas that has passed through the first cooler to the stator ventilation duct, wherein the second ventilation passage guides gas to the rotor ventilation duct by way of the outside of the first cooler in the peripheral direction.
- 42. An electric rotating machine having a first cooler and a second cooler, which comprises a stator, a rotor rotating in opposite relation with the stator, a rotating shaft rotating with the rotor, a fan disposed on the rotating shaft, a stator ventilation duct disposed in the stator, and a rotor ventilation duct disposed in the rotor, which further comprises a first ventilation passage for guiding gas that has passed through the end portion of the stator to the second cooler, a third ventilation passage for guiding the gas that has passed through the stator ventilation duct to the first cooler, and the second ventilation passage for guiding the gas cooled in the second cooler to the rotor ventilation duct.
Specification