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11. 发明申请

US20060054721A1 Connection assembly for high-pressure pipes in vehicle air conditioning units 审中-公开
标题翻译：汽车空调机组高压管道连接组件
公开(公告)号：US20060054721A1
公开(公告)日：2006-03-16
申请号：US11224381
申请日：2005-09-12
申请人： Dominik Prinz
发明人： Dominik Prinz
IPC分类号： A62C31/02 , B05B1/04 , B05B1/00
CPC分类号： F16L13/147 , F28F9/0246 , F28F9/262
摘要： A connection assembly for the connections of high-pressure pipes in vehicle air conditioning units. The connection assembly includes a connection block having a through channel with a narrowing portion defined by at least one step. A nozzle is located in the through channel of the connection block and the nozzle includes a tapering portion with an exterior surface having at least one step. The narrowing and tapering portions generally correspond with each other and cooperate to define stepped circular gap. A high-pressure pipe extends through the channel outflow region and has a cold deformation end region located in the stepped circular gap, which was forced thereinto upon the nozzle being pressed into the connection block. The hardness of the nozzle is greater than the hardness of the pipe, and the coefficient of thermal expansion of the nozzle is less than the coefficient of thermal expansion of the pipe.
摘要翻译：用于车辆空调机组中高压管道连接的连接组件。连接组件包括连接块，该连接块具有通过至少一个台阶限定的具有狭窄部分的通道。喷嘴位于连接块的通道中，并且喷嘴包括具有至少一个台阶的具有外表面的锥形部分。狭窄和渐缩部分通常彼此对应并且协作以限定阶梯状圆形间隙。高压管延伸穿过通道流出区域，并且具有位于阶梯状圆形间隙中的冷变形端部区域，其在将喷嘴压入连接块时被迫进入其中。喷嘴的硬度大于管的硬度，喷嘴的热膨胀系数小于管的热膨胀系数。

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