1. a movable iron plate that regulates the draft in a stove or chimney or furnace

2. a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

3. a depressing restraint;

   "rain put a damper on our picnic plans"
   

1.(火炉、锅炉或熔炉的)调节风门，风挡
Adamper is a small sheet of metal in a fire, boiler, or furnace that can be moved to increase or reduce the amount of air that enters.

2.(钢琴等乐器的)制音器，减音器
Adamper is a device in a piano or similar musical instrument which makes the sound less loud by restricting the movement of the strings.

3.使扫兴;抑制
Toput a damper on something means to have an effect on it which stops it being as enjoyable or as successful as it should be.

e.g. The cold weather put adamper on our plans...
寒冷的天气给我们的计划泼了冷水。
e.g. That would put adamper on the future growth of U.S. steel exports.
那将会抑制美国钢铁出口未来的增长。

1. damper什么意思

1. 阻尼器：是由弹簧+阻尼器(damper)所组成. 现在那种前后避震的脚踏车用的就是弹簧所提供的是受压时的缓冲,以及吸收压力后恢复原状的能量反弹. 但是单只有弹簧的话会太过敏感,一颗小小的石头都会造成在那边震荡很久,

2. 挡板：另外挡板(damper)使用将弹性体(Elastomer)注射模塑成形的材料,使挡板的刚性保持一定水平的形状. 其结果,由于可以增大振动板的振幅,从而使输出功率提高为5W,高于过去的3W. 除此之外,该产品还采用了使开口(Port)内的空气容易流动的形状,

3. 风门：大部份传统的设计方法无法顾及系统全压平衡,需要在设计完成之后于文管加上风门(damper),藉由调整风门来达到所需风量. 以能源的观点来看这是一种浪费,同时会产生额外的噪音问题. 最佳的风管设计应该是避免使用阀门,