CN2674128Y - 引擎盖覆膜 - Google Patents

引擎盖覆膜 Download PDF

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Publication number
CN2674128Y
CN2674128Y CN 200420024765 CN200420024765U CN2674128Y CN 2674128 Y CN2674128 Y CN 2674128Y CN 200420024765 CN200420024765 CN 200420024765 CN 200420024765 U CN200420024765 U CN 200420024765U CN 2674128 Y CN2674128 Y CN 2674128Y
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China
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engine
cover
sound
layer
film
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Expired - Fee Related
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CN 200420024765
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English (en)
Inventor
关云卿
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DANENG TRADE Co Ltd SHENZHEN
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DANENG TRADE Co Ltd SHENZHEN
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Priority to CN 200420024765 priority Critical patent/CN2674128Y/zh
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Publication of CN2674128Y publication Critical patent/CN2674128Y/zh
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Abstract

一种引擎盖覆膜属隔热隔声材料,它是以聚酯型聚氨酯隔热隔声泡沫材料(2)为基体的外层覆一层铝聚酯膜(1),内层则涂一层压敏粘胶(3)所组成。本引擎盖覆膜具有良好的隔热隔声效果,成本低,最适合在汽车发动机舱内使用,也可用于其它需要隔热声学泡沫材料的场合。

Description

引擎盖覆膜
技术领域
本实用新型的引擎盖覆膜是一种适用于发动机,内燃机舱内等一切需要隔热隔声场合的隔热声材料。
背景技术
迄今我们国家还没有这种材料,国外虽有类似材料,但隔热隔声的效果不好,成本高,价格昂贵。
实用新型内容
本实用新型的目的在于提供一种隔热隔声效果好,成本低,使用方便的,适用于发动机,内燃机等一切需要隔热隔声的设备及场合的引擎盖覆膜隔热隔声材料。这种材料的组成是在以聚醚型聚氨酯隔热隔声泡沫材料为基体的外面覆一层铝聚酯膜,内面则涂一层压敏粘胶所组成。此引擎盖覆膜有开口和不开口的吸音腔,可吸收声能和消耗声能。引擎盖覆膜外面覆一层铝聚酯膜的增强铝膜,可以反射90%以上的热量,从而减少传到引擎盖上的热量,延长表面喷漆的使用寿命。因此本引擎盖覆膜具有良好的隔热隔声效果,特别适用于发动机、内燃机舱内盖罩的隔热隔声等场合。
附图说明
图1是引擎盖覆膜结构示意图。
图中标号名称:1、铝聚酯膜,2、聚氨酯隔热隔声泡沫材料,3、压敏粘胶。
具体实施方式
由图1可知,本实用新型的引擎盖覆膜是以聚酯型聚氨酯隔热隔声泡沫材料2为基体的外层覆一层铝聚酯膜,内层涂一层压敏粘胶3所组成。声学泡沫的有效性主要取决于它将声波转换成热能的能力,引擎覆盖膜上具有开口和不开口的吸音腔,可吸收声能和消耗声能,引擎覆盖膜上的吸音腔是模制成形的,整张材料中的吸音能力是均匀一致的。这样就保证了材料能取得最佳的吸音效果。引擎覆盖膜上覆一层铝聚酯膜的增强铝膜,可反射97%的热量,可减少传到引擎上的热量,延长表面喷漆的使用寿命。作为一种实施例,聚氨酯隔热隔声泡沫材料2可取17mm,铝聚酯膜1可取0.0033mm。本产品最适合于在汽车发动机舱内使用,一般须粘到引擎罩的下侧面上。也可用于其它需要隔热声学泡沫材料场合。

Claims (1)

1、一种引擎盖覆膜,其特征在于,以聚酯型聚氨酯隔热隔声泡沫材料(2)为基体的外层覆一层铝聚酯膜(1),内层则涂一层压敏粘胶(3)所组成。
CN 200420024765 2004-02-18 2004-02-18 引擎盖覆膜 Expired - Fee Related CN2674128Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420024765 CN2674128Y (zh) 2004-02-18 2004-02-18 引擎盖覆膜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420024765 CN2674128Y (zh) 2004-02-18 2004-02-18 引擎盖覆膜

Publications (1)

Publication Number Publication Date
CN2674128Y true CN2674128Y (zh) 2005-01-26

Family

ID=34483508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420024765 Expired - Fee Related CN2674128Y (zh) 2004-02-18 2004-02-18 引擎盖覆膜

Country Status (1)

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CN (1) CN2674128Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101275488B (zh) * 2007-03-30 2013-01-02 霓佳斯株式会社 隔音罩

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101275488B (zh) * 2007-03-30 2013-01-02 霓佳斯株式会社 隔音罩

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