Title:
VEHICLE POWER SOURCE NOISE REDUCTION DEVICE
Document Type and Number:
Japanese Patent JP2018176824
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a vehicle power source noise reduction device which is capable of sufficiently reducing noise in a wide range outside a vehicle.SOLUTION: An engine noise reduction device 100 comprises a plurality of speakers 30 which are disposed near an outer surface 10b of an engine 10 to drive a vehicle 1 and include a vibrating plate 34 which generates a canceling sound of opposite phase to the noise emitted from the engine 10 to reduce the noise. The plurality of speakers 30 are respectively disposed in such a manner that they emit canceling sound in the direction along an emitting direction of the noise emitted from the engine 10.SELECTED DRAWING: Figure 2
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Inventors:
ITO ATSUSHI
Application Number:
JP2017074663A
Publication Date:
November 15, 2018
Filing Date:
April 04, 2017
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
B60R11/02; G10K11/178
Attorney, Agent or Firm:
Hirokazu Miyazono