VEHICLE Russian patent published in 2007 - IPC B62D25/20 G10K11/16 

Abstract RU 2302965 C2

FIELD: mechanical engineering; transport engineering.

SUBSTANCE: proposed invention is construction of wheeled vehicle, particularly, passenger car load-bearing members of body are made in form of box hollow sections - sills, reinforcement members, posts, which are furnished with local sealing sound-isolating members overlapping air sound-transmitting through sections of hollow load=bearing members in preset zones. Vehicle, particularly, passenger car contains load-bearing box members of body accommodating locally arranged sealing sound-isolating members in form of acoustic stoppers closing through section of spaces to form limited lengths of hollow load-bearing members in form of final lengths of acoustic waveguides. Design peculiarity is that through drain and bypass holes and tubular channels are made in walls of separate limited lengths of sections of hollow members separated/form by end faces of acoustic stoppers, particularly, in spaces of sills of body floor adjacent to space of passenger saloon and external medium surrounding vehicle body. Axes of holes (drain and bypass) and/or open cuts of tubular members are located in zones from end face walls of box hollow space at a distance multiple of 1/4L where L is length of space limited by end faces of acoustic stoppers.

EFFECT: improved comfort in passenger salon and cab of car.

3 cl, 15 dwg

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RU 2 302 965 C2

Authors

Fesina Mikhail Il'Ich

Prokhorov Sergej Petrovich

Derjabin Igor' Viktorovich

Dates

2007-07-20Published

2005-05-11Filed