Sound damper with sound reflection and interference of the incoming and the reflected sound, in particular for internal combustion engines

• 1. 具有用于反射声音投射的全频向上发声驱动器的音频扬声器 [P] . 中国专利： CN110073675B . 2021.03.02
• 2. 具有用于反射声音渲染的向上发射驱动器的音频扬声器 [P] . 中国专利： CN106416293B . 2021.02.26
• 3. Sound damper for intake - and the exhaust noise with a sound reflection and interference of the incoming and the reflected sound, in particular for internal combustion engines [P] . 德国专利： DE698589C . 1940-11-13

  机译： 进气消声器-排气噪声，具有声音反射和传入和反射的声音的干扰，特别是用于内燃机

• 4. Reflection sound damper for internal combustion engines [P] . 德国专利： DE7811153U1 . 1982-07-15

  机译： 内燃机的反射消音器

• 5. Reflection sound damper for internal combustion engines [P] . 德国专利： DE2816159A1 . 1979-10-25

  机译： 内燃机的反射消音器

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