Title:
吸音遮熱カバーおよびエンジンユニット
Document Type and Number:
Japanese Patent JP7060632
Kind Code:
B2
Abstract:
To provide a novel sound-absorbing heat-shielding cover that has sufficient soundproofing capabilities and excellent heat resistance properties and heat-shielding properties. A sound-absorbing heat-shielding cover has: a soundproofing metal plate having a plurality of through holes in a surface thereof; an inorganic fiber mat; and a heat-shielding metal plate having a plurality of through holes in a surface thereof, layered in this order. An opening area of the through holes provided in the soundproofing metal plate is 0.01 to 7.1 mm2.
Inventors:
Tetsuya Sasakawa
Mototaro Yamazaki
Mototaro Yamazaki
Application Number:
JP2020005664A
Publication Date:
April 26, 2022
Filing Date:
January 17, 2020
Export Citation:
Assignee:
Nichias Corporation
International Classes:
F02B77/13; B32B5/02; B32B15/14; B60R13/08; G10K11/16; G10K11/168
Domestic Patent References:
| JP2003022077A | ||||
| JP2002180845A | ||||
| JP5892424U | ||||
| JP51158035U |
Foreign References:
| WO2003001501A1 |
Attorney, Agent or Firm:
Patent Business Corporation Ashitaba International Patent Office