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Machine translation
1. (WO1980000475) AXIAL FLOW FANS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000475    International Application No.:    PCT/GB1979/000104
Publication Date: 20.03.1980 International Filing Date: 22.06.1979
IPC:
F04D 19/00 (2006.01), F04D 29/38 (2006.01)
Applicants:
Inventors:
Priority Data:
7833611 16.08.1978 GB
Title (EN) AXIAL FLOW FANS
(FR) VENTILATEUR A FLUX AXIAL
Abstract: front page image
(EN)In a reversible flow fan each impeller blade has two aerofoil surfaces reversed with respect to each other, with the leading edge of each aerofoil surface arranged so that when the impeller is rotated in the direction in which that edge provides the leading edge of the blade, the surface lies on the suction side of the blade.
(FR)Dans un ventilateur a flux reversible chaque pale de l"helice comprend deux surfaces portantes inversees l"une par rapport l a l"autre, le bord d"attaque de chaque surface portante etant dispose de facon telle que lorsque l"helice est mise en rotation dans la direction vers laquelle ce bord constitue le bord d"attaque de cette lame, la surface est positionnee sur le cote aspiration de la pale.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)