DEVICE FOR REDUCING NOISE INSIDE CARPROBLEM TO BE SOLVED: To improve the level of merchandise appeal and convenience at the time of adopting a device for reducing noise inside car.OHASHI TOSHIHIKO大橋 敏彦NAKAMURA YOSHIO中村 由男
PURPOSE:To provide the in-car noise reducing device which can efficiently muffle in-car noise complicatedly changing depending on driving conditions and can provide a wide muffling area. CONSTITUTION:A previously stored compensating coefficient CLM0 is selected from CLM0 storage circuits 10a and 10b ...
Ventilation device for motor car interior, has noise control device arranged in region of vent for reducing sound entry into vehicle interior over vent from outer region, where noise control device is formed as acoustic enclosure A noise control device (1) is arranged in the region of the vent...
FIELD: car industry.;SUBSTANCE: invention relates to a method and device for applying noise-reducing elements to a tire for the vehicle wheels. The method ... IGI Boscaino,GI Mancini,CI Puppi,... 被引量: 0发表: 2021年 Experimental approach for reducing uncertainties associated with road veh...
专利内容由知识产权出版社提供 专利名称:Method for reducing operating noise of the air-carbon arc cutting and gouging process 发明人:Perry Rieppel,Raymond Sadauskas 申请号:US06/037791 申请日:19790510 公开号:US04 25824 4 A 公开日:19810324 摘要:The operating noise level of the air-carbon arc ...
PURPOSE:To prevent noises from increasing by stopping speaker output for sound elimination for a constant time if vehicle body vibration from a road surface exceeds a threshold value when a speaker is controlled by an adaptive controller by using an engine vibration detecting means so that the inpu...
REDUCING DEVICE FOR INTERIOR CAR NOISE 优质文献 相似文献Reduction of Interior Car Noise By Using Vector Method Vector analysis to investigate the relation between these transmitted forces and the sound pressure in the cabin is introduced, some examples of reducing the booming noise by modification of...
Reducing device of car interior noise 专利名称：Reducing device of car interior noise 发明人：IDONUMA HIDEYUKI,井戸沼 秀之,SAITO HARUKI,斉藤 晴輝 申请号：JP特願平1-128066 申请日：19890522 公开号：JP第2864531号B2 公开日：19990303 专利内容由知识产权出版社提供 摘要：PURPOSE:To rapidly cope with...
Housing and road noise, noise and anticorrosive heat from the works; camping equipment development manufacturing, car cargo containers, special transport container manufacturing-oriented business as a limited liability company 翻译结果5复制译文编辑译文朗读译文返回顶部 ...
as possible. Placing the fence close to the road would be preferable, but setback requirements might reduce the effectiveness of a roadside barrier. Having a barrier in both locations would provide even greater noise reduction, whereas a fence placed halfway between the deck and the road would ...