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    • 4. 发明申请
    • FAN PROPELLER, IN PARTICULAR FOR A MOTOR VEHICLE
    • 风扇螺旋桨,特别是汽车
    • US20130028747A1
    • 2013-01-31
    • US13514153
    • 2010-11-08
    • Manuel HennerBruno Demory
    • Manuel HennerBruno Demory
    • F04D29/38
    • F04D29/386F04D29/384F05D2240/304
    • A fan propeller comprises blades (14), each of which has a general profile of the aircraft wing type, with a leading edge (28) and a trailing edge (30), a neutral axis (32) and a span (36) between the leading edge (28) and the trailing edge (30). According to one embodiment, the blade (14) has, on at least part of its length, a profile shaped such that the neutral axis (32) makes possible a point of contraflexure (34), and has two opposite concavities, i.e. a positive concavity (C1) between the leading edge (28) and the point of contraflexure (34), and a negative concavity (C2) between the point of contraflexure (34) and the trailing edge (30). Application to motor vehicles.
    • 风扇螺旋桨包括叶片(14),每个叶片具有飞行器翼型的总体轮廓,其具有前缘(28)和后缘(30),中性轴线(32)和跨度(36)之间, 前缘(28)和后缘(30)。 根据一个实施例,刀片(14)在其长度的至少一部分上具有成形的轮廓,使得中性轴线(32)使得可能形成反向点(34),并且具有两个相对的凹面,即正的 引导边缘(28)和反射点(34)之间的凹陷(C1)和反向点(34)与后缘(30)之间的负凹部(C2)。 适用于机动车辆。
    • 5. 发明授权
    • Fan propeller, in particular for a motor vehicle
    • 风扇螺旋桨,特别是机动车
    • US09353764B2
    • 2016-05-31
    • US13514153
    • 2010-11-08
    • Manuel HennerBruno Demory
    • Manuel HennerBruno Demory
    • F04D29/38
    • F04D29/386F04D29/384F05D2240/304
    • A fan propeller comprises blades (14), each of which has a general profile of the aircraft wing type, with a leading edge (28) and a trailing edge (30), a neutral axis (32) and a span (36) between the leading edge (28) and the trailing edge (30). According to one embodiment, the blade (14) has, on at least part of its length, a profile shaped such that the neutral axis (32) makes possible a point of contraflexure (34), and has two opposite concavities, i.e. a positive concavity (C1) between the leading edge (28) and the point of contraflexure (34), and a negative concavity (C2) between the point of contraflexure (34) and the trailing edge (30). Application to motor vehicles.
    • 风扇螺旋桨包括叶片(14),每个叶片具有飞行器翼型的总体轮廓,其具有前缘(28)和后缘(30),中性轴线(32)和跨度(36)之间, 前缘(28)和后缘(30)。 根据一个实施例,刀片(14)在其长度的至少一部分上具有成形的轮廓,使得中性轴线(32)使得可能形成反向点(34),并且具有两个相对的凹面,即正的 引导边缘(28)和反射点(34)之间的凹陷(C1)和反向点(34)与后缘(30)之间的负凹部(C2)。 适用于机动车辆。