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Title:
ELEVATOR APPARATUS
Document Type and Number:
Japanese Patent JP3731599
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an elevator apparatus enabling the easy assembly and disassembly of a traction machine by eliminating the effects of a brake and a motor on the traction machine.
SOLUTION: This elevator apparatus comprises a counterweight 31 and a car 28 lifting in a hoistway 25 through a rope 26 driven by the traction machine 1. The traction machine 1 comprises a permanent magnet type synchronous motor 7 of radial gap system having a stator fixed to a frame 3 and a rotor fixed to a housing 16. A separable sheave 5 is installed on the anti-frame 3 side of the housing 16, and the outer diameter of the sheave 5 is made smaller than the outer diameter of the housing 16.


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Inventors:
Hideki Nihei
Hiroshi Nagase
Masanobu Ito
Takanori Nakata
Kaoru Kurosawa
Hiromi Itada
Suetaro Shibukawa
Noriaki Hino
Yoshio Sakai
Application Number:
JP2004210915A
Publication Date:
January 05, 2006
Filing Date:
July 20, 2004
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
B66B11/08; H02K7/102; (IPC1-7): B66B11/08; H02K7/102
Domestic Patent References:
JP8511758A
JP9506323A
JP7010434A
JP1187187A
JP2062394A
JP9142761A
Foreign References:
US1171964
Attorney, Agent or Firm:
Yasuo Sakuta