Title:
AJUSTABLE−SPEED LIFE−SAVING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2003/049807
Kind Code:
A1
Abstract:
Abstract: An adjustable−speed life−saving apparatus comprises shell, drum, life rope and resistance wheel hub motor. One end of the life rope is fixed and wound on the drum which is set in the shell. The resistance wheel hub motor is set in the drum, and comprises wheel hub, variable speed damp apparatus, shift and rotor, and is supported by the main shaft in the shell. The wheel hub permanently connects with the drum, and drives rotor after damping speed−up by variable speed damp apparatus, rotor circuit links unilateral breakover diode through outer jointing wire. The present invention provides a salty, reliable, easy using adjustable−speed life−saving apparatus.
Inventors:
BAI XIAOLIN (CN)
Application Number:
PCT/CN2002/000885
Publication Date:
June 19, 2003
Filing Date:
December 11, 2002
Export Citation:
Assignee:
BAI XIAOLIN (CN)
International Classes:
A62B1/08; A62B1/10; H02K11/00; (IPC1-7): A62B1/08
Foreign References:
| CN1175470A | 1998-03-11 | |||
| CN2317892Y | 1999-05-12 | |||
| CN1224627A | 1999-08-04 | |||
| JPH07308394A | 1995-11-28 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (Bldg. B Tsinghua Tongfang Hi-Tech Plaza, No.
1, Wangzhuang Rd, Haidian District Beijing 3, CN)
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