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Protective helmet for cyclists with ventilation according to the Bernoulli effect
Protective helmet for cyclists with ventilation according to the Bernoulli effect
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机译：符合伯努利效应的通风自行车头盔
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摘要
Protective helmet, in particular for cyclists, with a ventilation according to the Bernoulli effect, characterized in that the cross-sectionally circular or oval, or combinations thereof, outer helmet Teilkalotte (3) of the protective helmet (1) made of impact-resistant plastic wedge-shaped or not wedge-shaped Channel (3 ') with the Bernoulli effect effective flow connection (11, n), the outlet ring opening (8) with the opening (6), the protective grid (12) and the closure display outer partial calotte (13), wherein the Knurl adjusting element (4) with the clamping device (5, n), the knurled opening (7) and the adjusting wedge (14), and that the open-pore inner helmet dome (10), in particular consisting of a hydrophobic or a hygroscopic natural product or plastic , Captive with the outer helmet part calotte (3, n), or the overall helmet-forming outer calotte, is connected, wherein the outer helmet Teilkalotten (3, n) längsse Itig are wholly or partially non-positively or positively connected with each other.
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