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公开(公告)号：US20240343088A1
公开(公告)日：2024-10-17
申请号：US18292105
申请日：2022-07-26
CPC分类号： B60H1/00471 , B60H1/00021 , F04D29/4253 , F04D29/444 , B60H2001/00092
摘要： A ventilation device for a ventilation, heating, and/or air-conditioning system of a vehicle is disclosed. The ventilation device includes at least one housing that includes at least one housing that includes at least one wall contributing to the definition of an inner volume in which at least one radial propeller and one guide member are received. The radial propeller is configured to be rotated about an axis of rotation. The radial propeller includes a plurality of blades, each of which is at least delimited by a first axial end and a second axial end. The guide member includes a plurality of vanes delimited at least by a leading and trailing edge. The radial propeller and guide member are configured to force the circulation of an air flow through the housing along the axis of rotation between an air inlet opening and an air outlet opening.
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公开(公告)号：US10584716B2
公开(公告)日：2020-03-10
申请号：US15559634
申请日：2016-03-21
摘要： A ventilation blower wheel may have a hub and blades extending radially outwards from the hub between a blade root and a blade tip. Additionally, the blades of said blower wheel may have a backward/forward curvature as a result of a reversal in curvature along their span. Furthermore, said blades may have, between 20% and 80% along their span, at least one pitch variation, extending over a maximum span distance of 25%, of at least 2° more or less than a linear pitch over said span distance.
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公开(公告)号：US11078920B2
公开(公告)日：2021-08-03
申请号：US16623537
申请日：2018-06-29
发明人： Manuel Henner , Bruno Demory
摘要： The propeller (16) for a fan (14) of a motor vehicle thermal system (10) comprises a bowl (22) for receiving a motor (18) of the propeller (16) and at least one blade (34) connected to the receiving bowl (22), the receiving bowl (22) further comprising: a central member (26) comprising at least one through-orifice (30), a collar (28) extending around the central member (26), the blade (34) extending radially outwards from the collar (28), and at least one rib (36) arranged on a front face of the collar (28), with reference to a direction of flow of an air flow (F) generated by the propeller (16), extending radially outwards so as to have a curved shape oriented in the opposite direction to a direction of rotation of the propeller (16).
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公开(公告)号：US20210108649A1
公开(公告)日：2021-04-15
申请号：US16500233
申请日：2018-03-30
发明人： Bruno Demory , Manuel Henner
摘要： The invention concerns a support for a ventilation device (5) of a motor vehicle including an impeller (9) configured to be rotated about a rotation axis in such a way as to generate a flow of air, the support including a nozzle (11): having an orifice (19) configured to receive the impeller (9), and having at the periphery of the orifice (19) an internal wall (21) configured at least partially to cover one side of a peripheral shroud (17) of the impeller (9). According to the invention, the nozzle (11) further includes on its internal wall (21) an air guide (29) shaped so as to direct a flow of air flowing between the peripheral shroud (17) and the internal wall (21), termed the recirculating air flow, in the direction of flow (F) of the air flow generated by the impeller (9).
The invention also concerns a corresponding ventilation device (5) and a corresponding cooling module-
公开(公告)号：US20180051712A1
公开(公告)日：2018-02-22
申请号：US15559634
申请日：2016-03-21
CPC分类号： F04D29/386 , F04D29/326
摘要： A ventilation blower wheel (1) comprising a hub (2) and blades (3) extending radially outwards from the hub (2) between a blade root (3a) and a blade tip (3b), the blades of said blower wheel having a backward/forward curvature as a result of a reversal in curvature along their span, characterized in that said blades (3) comprise, between 20% and 80% along their span, at least one pitch variation, extending over a maximum span distance of 25%, of at least 2° more or less than a linear pitch over said span distance.
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