A rotor assembly for an electromechanical machine includes a rotor core, an outer sleeve and an inner sleeve. The rotor core includes an outer diameter, and the outer sleeve is positioned about the outer diameter. The inner sleeve is positioned between the rotor core and the outer sleeve. One of the
A rotor assembly for an electromechanical machine includes a rotor core, an outer sleeve and an inner sleeve. The rotor core includes an outer diameter, and the outer sleeve is positioned about the outer diameter. The inner sleeve is positioned between the rotor core and the outer sleeve. One of the outer sleeve and the inner sleeve dampens electromagnetic flux generated by the rotor assembly.
대표청구항▼
What is claimed is: 1. A rotor assembly for an electromechanical machine, comprising: a rotor core having an outer diameter; an outer sleeve positioned about said outer diameter of said rotor core; and an inner sleeve positioned between said rotor core and said outer sleeve, wherein said outer slee
What is claimed is: 1. A rotor assembly for an electromechanical machine, comprising: a rotor core having an outer diameter; an outer sleeve positioned about said outer diameter of said rotor core; and an inner sleeve positioned between said rotor core and said outer sleeve, wherein said outer sleeve dampens electromagnetic flux generated by the rotor assembly. 2. The assembly as recited in claim 1, comprising a plurality of poles and a plurality of field windings wrapped about said plurality of poles. 3. The assembly as recited in claim 1, wherein a radial surface of said rotor core extends about said outer diameter. 4. The assembly as recited in claim 1, wherein said outer sleeve is a copper sleeve and said inner sleeve is a metallic sleeve. 5. The assembly as recited in claim 1, wherein said outer sleeve is a composite sleeve. 6. The assembly as recited in claim 1, wherein the electromagnetic machine is a starter-generator system. 7. The assembly as recited in claim 1, wherein said outer sleeve is an outer continuous conducting damper sleeve that surrounds a radial surface of said rotor core, and said inner sleeve is a structural sleeve that surrounds said radial surface of said rotor core. 8. The assembly as recited in claim 1, comprising a stator assembly positioned radially outward relative to the rotor assembly. 9. A method of providing a rotor assembly having a damper circuit and a rotor core for an electromagnetic machine, comprising the step of: a) extending the damper circuit about a radial outermost surface of the rotor assembly. 10. The method as recited in claim 9, wherein the damper circuit includes an outer continuous conducting sleeve that surrounds said a radial outermost surface of the rotor assembly. 11. The method as recited in claim 10, wherein the outer continuous conducting sleeve is a composite sleeve that includes carbon fibers, copper fibers and an epoxy resin. 12. The method as recited in claim 10, wherein the outer continuous conducting sleeve is made of copper. 13. The method as recited in claim 9, comprising the step of: b) damping an electromagnetic flux generated by the rotor assembly with the damper circuit. 14. The method as recited in claim 9, wherein the rotor assembly includes a structural sleeve and said step a) includes the step of: positioning the damper circuit radially outward relative to the structural sleeve. 15. The method as recited in claim 9, wherein the electromagnetic machine is a starter-generator system and comprising the steps of: b) positioning the rotor assembly within the starter-generator system; and c) positioning a stator assembly radially outward relative to the rotor assembly. 16. A rotor assembly for an electromagnetic machine, comprising: a rotor core having an outer diameter; and a composite sleeve positioned about said outer diameter, wherein said composite sleeve includes carbon fibers, copper fibers and an epoxy resin. 17. The assembly as recited in claim 16, wherein said copper fibers and said carbon fibers form a single piece composite sleeve, and said epoxy resin bonds said copper fibers to said carbon fibers. 18. The assembly as recited in claim 16, wherein said composite sleeve is a combined structural sleeve and an outer continuous conducting damper sleeve that surrounds a radial surface of said rotor core. 19. An electromechanical machine, comprising: a stator assembly; a rotor assembly; and a damper circuit positioned between said stator assembly and said rotor assembly, wherein said damper circuit extends about an entire radially outermost surface of said rotor assembly. 20. The electromechanical machine as recited in claim 19, wherein said damper circuit is a copper sleeve.
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이 특허에 인용된 특허 (18)
Kondo Hiroaki,JPX ; Watanabe Eiji,JPX ; Fukaya Kazumi,JPX, Connector made of resin for connecting pipes of small diameter.
Tornquist,Gerald Eugene; Borden,Raymond Walter; Lengel,James D.; McDowall,Gregor L.; Doherty,Kieran P. J., Method of assembling a balanced high speed generator rotor.
Shahamat Mohammad (Stow OH) Iseman Walter (Monroe Center IL) Johnsen Tyrone A. (Rockford IL) Rasmussen Roy D. (Rockford IL), One-piece rotor shaft for two-pole rotor.
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