초록 ▼

A magnetic bearing rotating structure includes a rotor magnetically supported in a housing by a magnetic bearing. A back-up bearing arrangement is used to resist impact on the rotor, including a fixed bumper bearing for resisting a sudden impact, and an auxiliary bearing for rotatably supporting the

A magnetic bearing rotating structure includes a rotor magnetically supported in a housing by a magnetic bearing. A back-up bearing arrangement is used to resist impact on the rotor, including a fixed bumper bearing for resisting a sudden impact, and an auxiliary bearing for rotatably supporting the rotor while the magnetic bearing resumes operation.

대표청구항 ▼

A rotating apparatus comprising: a housing; a rotor; magnetic bearing means for rotatably supporting said rotor in said housing; back-up bearing means for preventing contact between said rotor and said magnetic bearing means, said back-up bearing means including bumper bearing means for resisting an

A rotating apparatus comprising: a housing; a rotor; magnetic bearing means for rotatably supporting said rotor in said housing; back-up bearing means for preventing contact between said rotor and said magnetic bearing means, said back-up bearing means including bumper bearing means for resisting an impact on said rotor; and auxiliary bearing means for supporting said rotor in the absence of said impact; wherein said auxiliary bearing means includes an auxiliary bearing and resilient bearing support means for supporting said auxiliary bearing, said resilient bearing support means bending in the presence of said impact to permit contact between said bumper bearing means and said rotor.