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
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:
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