Title:
ファンアセンブリ
Document Type and Number:
Japanese Patent JP2004520519
Kind Code:
A
Abstract:
A fan assembly includes a vertical axis wind turbine (VAWT) which is coupled to an air extraction or air supply fan. The VAWT is located above and is coupled coaxially to the fan. The fan assembly also includes an auxiliary turbine to provide start-up torque to initiate rotation of the VAWT. The VAWT is typically a Darrieus-type turbine and the auxiliary turbine is typically a Savonius-type turbine. In the preferred embodiments, the fan assembly includes a rotational speed governor to avoid damage to the turbine and/or fan in high winds.
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Inventors:
Rainbow, michael, mark
Application Number:
JP2002548321A
Publication Date:
July 08, 2004
Filing Date:
December 04, 2001
Export Citation:
Assignee:
Alup (Pevity) LDT
International Classes:
F03D9/00; F03D3/00; F03D3/06; F03D7/04; F04D25/04; (IPC1-7): F03D9/00; F03D3/06; F03D7/04
Attorney, Agent or Firm:
Ikeuchi, Sato & Partners