The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2025
Filed:
Jul. 09, 2021
Fujifilm Corporation, Tokyo, JP;
Shinya Hakuta, Ashigara-kami-gun, JP;
Takafumi Hosokawa, Ashigara-kami-gun, JP;
Shogo Yamazoe, Ashigara-kami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
Provided is a silencing member for an electrified vehicle, which can suitably reduce a narrow band sound generated by a motor or the like, can handle a plurality of frequencies, can prevent generation of a wind noise, and can be miniaturized and thinned. The silencing member for an electrified vehicle includes a film type resonance structure which silences a sound generated from a sound source which is disposed in an electrified vehicle, in which the sound source generates a narrow band sound, the film type resonance structure is disposed in the same space as the sound source or in a vehicle cabin of the electrified vehicle, the film type resonance structure includes at least one film-like member, a frame which supports the film-like member to allow vibration thereof, and a back plate which is installed in the frame to face the film-like member, the film-like member, the frame, and the back plate form a back space surrounded by the film-like member, the frame, and the back plate, and the sound generated from the sound source is silenced by film vibration due to the film-like member of the film type resonance structure.