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发明申请
US20100139308A1 Damper, Air Conditioning Unit and Vehicular Air Conditioning System 有权
减震器，空调机组和车辆空调系统

Damper, Air Conditioning Unit and Vehicular Air Conditioning System
摘要：
Provided are a damper in which strange sound (whistling sound) generated when the damper has a small opening degree is suppressed, an air conditioning unit, and an air conditioner for vehicle. The damper has a wall surface (33) for forming a channel for allowing air to flow in it, a stationary portion (35) extending from the wall surface (33) toward the center of the channel (23), and a rotation portion (25) rotatably placed in the channel (23) and having one end (29) in contact with a portion of the stationary portion (35), which portion is on the downstream side of air flow in the channel (23). A curved wall portion (45) curved and projected toward the center of the channel (23) is formed at that position on the wall surface (33) with which the air flow passed between one end (29) and the stationary portion (35) collides.
摘要（中）：

提供了一种阻尼器，其中阻尼器具有小开度产生的奇怪声音（啸声）被抑制，空调单元和车辆空调器。 阻尼器具有用于形成用于使空气流入的通道的壁面（33），从壁面（33）朝向通道（23）的中心延伸的固定部（35），以及旋转部 25），其可旋转地设置在所述通道（23）中，并且具有与所述静止部分（35）的一部分接触的一端（29），所述部分位于所述通道（23）中的空气流的下游侧。 在空气流通过一端（29）与固定部（35）的壁面（33）上的位置处，形成向通道（23）的中心弯曲并突出的弯曲壁部（45） 碰撞

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