STRUCTURE FOR COOLING ROTOR OF PERMANENT-MAGNET MOTOR
PROBLEM TO BE SOLVED: To cool a rotor by feeding a refrigerant in the stacking direction of a steel plate inside the rotor 1 composed of the stacked steel plates, and to prevent the refrigerant from flowing to the outside via a gap of the stacked steel plates. SOLUTION: A refrigerant path 4 is provi...
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| creator | SAIJO MASAKI |
| description | PROBLEM TO BE SOLVED: To cool a rotor by feeding a refrigerant in the stacking direction of a steel plate inside the rotor 1 composed of the stacked steel plates, and to prevent the refrigerant from flowing to the outside via a gap of the stacked steel plates. SOLUTION: A refrigerant path 4 is provided inside of the rotor 1 to pass through the steel plate in the stacking direction. Further, a slit 5 is formed in the inside of the rotor 1 to pass through the steel plate in the stacking direction, and is disposed at the outside of the refrigerant path 4 in the radial direction of the rotor. The slit 5 forms an inflectional structure (a dogleg shape) to surround the outside of the refrigerant path 4 in the radial direction of the rotor when seeing the rotor 1 in the axial direction, and resin is filled in all over the slit 5. The steel plates are connected by a caulking dowel 6 in the stacked state, and the caulking dowel 6 is positioned at the outside of the slit 5 in the radial direction of the rotor. COPYRIGHT: (C)2011,JPO&INPIT |
| format | Patent |
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SOLUTION: A refrigerant path 4 is provided inside of the rotor 1 to pass through the steel plate in the stacking direction. Further, a slit 5 is formed in the inside of the rotor 1 to pass through the steel plate in the stacking direction, and is disposed at the outside of the refrigerant path 4 in the radial direction of the rotor. The slit 5 forms an inflectional structure (a dogleg shape) to surround the outside of the refrigerant path 4 in the radial direction of the rotor when seeing the rotor 1 in the axial direction, and resin is filled in all over the slit 5. The steel plates are connected by a caulking dowel 6 in the stacked state, and the caulking dowel 6 is positioned at the outside of the slit 5 in the radial direction of the rotor. 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SOLUTION: A refrigerant path 4 is provided inside of the rotor 1 to pass through the steel plate in the stacking direction. Further, a slit 5 is formed in the inside of the rotor 1 to pass through the steel plate in the stacking direction, and is disposed at the outside of the refrigerant path 4 in the radial direction of the rotor. The slit 5 forms an inflectional structure (a dogleg shape) to surround the outside of the refrigerant path 4 in the radial direction of the rotor when seeing the rotor 1 in the axial direction, and resin is filled in all over the slit 5. The steel plates are connected by a caulking dowel 6 in the stacked state, and the caulking dowel 6 is positioned at the outside of the slit 5 in the radial direction of the rotor. 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SOLUTION: A refrigerant path 4 is provided inside of the rotor 1 to pass through the steel plate in the stacking direction. Further, a slit 5 is formed in the inside of the rotor 1 to pass through the steel plate in the stacking direction, and is disposed at the outside of the refrigerant path 4 in the radial direction of the rotor. The slit 5 forms an inflectional structure (a dogleg shape) to surround the outside of the refrigerant path 4 in the radial direction of the rotor when seeing the rotor 1 in the axial direction, and resin is filled in all over the slit 5. The steel plates are connected by a caulking dowel 6 in the stacked state, and the caulking dowel 6 is positioned at the outside of the slit 5 in the radial direction of the rotor. COPYRIGHT: (C)2011,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION |
| title | STRUCTURE FOR COOLING ROTOR OF PERMANENT-MAGNET MOTOR |
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