F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 29/58 (2006.01) F04D 25/16 (2006.01) F04D 29/32 (2006.01) F04D 29/52 (2006.01) H02K 7/14 (2006.01) H02K 9/06 (2006.01)
Patent
CA 2668092
A contra-rotating axial blower having enhanced effect of cooling a stator. One or more through-holes (83) extending in the axial direction through support frame bodies (21, 75) are formed in the support frame bodies (21, 75). One or more airflow holes (57a) for introducing air, sucked from a suction opening (19), into a cup-like member (51) are formed in a bottom wall part (57) of the cup-like member (51) of a first impeller (9). One or more airflow holes (111a) for discharging air, introduced into the internal space of a second motor (61), to the outside are formed in the bottom wall part (111) of the cup-like member (105) of a second impeller (63).
L'objet de la présente invention concerne une soufflerie axiale contra-rotative qui renforce l'effet de refroidissement du stator. Un ou plusieurs trous débouchants (83) s'étendant en direction axiale à travers des éléments de cadre support (21, 75) partent de ces éléments de cadre support (21, 75). Un ou plusieurs orifices d'écoulement d'air (57a) permettant l'arrivée de l'air qui est aspiré depuis une ouverture d'aspiration (19) dans un élément en forme de godet (51) partent de la partie inférieure de la paroi (57) de l'élément en forme de godet (51) d'une première turbine (9). Un ou plusieurs orifices d'écoulement d'air (111a) servant à expulser cet air partent de l'espace interne d'un second moteur (61) pour ressortir à l'extérieur. Ces orifices partent de la partie inférieure de la paroi (111) de l'élément en forme de godet (105) d'une seconde turbine (63).
Maruyama Yasuhiro
Nishizawa Toshiya
Watanabe Jiro
Deeth Williams Wall Llp
Sanyo Denki Co. Ltd.
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