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Title:
A FAN
Document Type and Number:
WIPO Patent Application WO/2013/011269
Kind Code:
A3
Abstract:
A fan assembly (200) for generating an air flow within a room includes an impeller (22) and a motor (26) for driving the impeller to draw an air flow into the fan assembly, and a casing having a continuous interior passage (202) with a tangential air inlet (204) through which the air flow enters the interior passage and at least one air outlet (208) for emitting at least a portion of the air flow. The casing defines a bore (222) about which the interior passage (202) extends and through which air from outside the fan assembly is drawn by the air emitted from said at least one air outlet (208).

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Inventors:
STEWART, Neil (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
ADKIN, Mark (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
TIBBETTS, David (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
Application Number:
GB2012/051431
Publication Date:
July 11, 2013
Filing Date:
June 21, 2012
Export Citation:
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Assignee:
DYSON TECHNOLOGY LIMITED (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
STEWART, Neil (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
ADKIN, Mark (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
TIBBETTS, David (Tetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
International Classes:
F04D25/08; F04D29/44
Foreign References:
US5881685A1999-03-16
US2583374A1952-01-22
CN102003420A2011-04-06
CN201874898U2011-06-22
Attorney, Agent or Firm:
BOOTH, Andrew et al. (Dyson Technology Limited, Intellectual Property DepartmentTetbury Hill, Malmesbury Wiltshire SN16 0RP, GB)
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