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1. 发明公开

EP1143212A1 EXPANSION DEVICE 审中-公开
标题翻译： ENTSPANNUNGSVORRICHTUNG
公开(公告)号：EP1143212A1
公开(公告)日：2001-10-10
申请号：EP98954770.8
申请日：1998-11-20
申请人： Zexel Valeo Climate Control Corporation
发明人： MUTA, Shunji, Zexel Valeo Climate Control Co. , KANAI, Hiroshi, Zexel Valeo Climate Control Co. , IJIMA, Kenji, Zexel Valeo Climate Control Co. , FURUYA, Shunichi, Zexel Valeo Climate Control Co.
IPC分类号： F25B41/06 , F25B41/04 , F25B49/02 , F25B1/00
CPC分类号： F25B9/008 , F25B40/00 , F25B41/062 , F25B49/005 , F25B2309/061 , F25B2341/063 , F25B2400/0411
摘要： An expansion device capable of preventing an abnormal increase in the high-pressure in a freezing cycle and having, as an integrated unit thereof, a mechanism capable of quickly responding to an abnormal increase in the high-pressure and the low-pressure is provided. A means for displacement (bellows) 28 which becomes displaced in correspondence to the high-pressure is linked to a valve element 24 of a restrictor valve mechanism 32 to displace a rod 34 provided with a safety valve mechanism 33. If the high-pressure reaches a level equal to or higher than a first specific pressure (the limit to the normal operating pressure), a first portion 26 of the safety valve mechanism 33 becomes disengaged from a relief hole 27 that communicates between a high-pressure space 29 and a low-pressure passage 31 to be replaced by a second portion 25 which allows passage through the relief hole 27, thereby leaking the coolant in the high-pressure space 29 to the low-pressure passage 31 and preventing a further increase in the high-pressure. In addition, a low-pressure side rupture disk mechanism 40 that becomes ruptured if the low-pressure reaches a level equal to a second specific pressure to communicate between the low-pressure passage 31 and the atmosphere is provided at the low-pressure passage 31. A high-pressure side rupture disk mechanism 50 that becomes ruptured if the high-pressure reaches a level equal to or higher than a third specific pressure to communicate between the high-pressure passage 30 and the atmosphere is provided at the high-pressure passage 30.
摘要翻译：提供一种能够防止冷冻循环中的高压异常增加的膨胀装置，其具有能够快速应对高压和低压异常增加的机构的集成单元。与限制阀机构32的阀元件24相连接，与高压相对应地移位的装置（波纹管）28连接到设置有安全阀机构33的杆34上。如果高压达到等于或高于第一比压（正常工作压力的极限）的水平时，安全阀机构33的第一部分26与高压空间29和低压空间29之间连通的释放孔27脱离压力通道31被允许通过释放孔27的第二部分25替代，从而将高压空间29中的冷却剂泄漏到低压通道31，并且防止高压进一步增加。此外，如果低压侧破裂盘机构40在低压通路31设置低压通路31与大气之间的低压达到与第二比压相等的连通状态的水平而破裂的情况高压侧破裂盘机构50，如果高压达到高于第三比压的高压通道30与大气之间连通的高度侧破裂盘机构50，则在高压通道 30.

2. 发明公开

EP1124099A1 REFRIGERATING CYCLE 审中-公开
标题翻译：制冷循环
公开(公告)号：EP1124099A1
公开(公告)日：2001-08-16
申请号：EP98947924.1
申请日：1998-10-19
申请人： Zexel Valeo Climate Control Corporation
发明人： FURUYA, Shunichi, Zexel Valeo Climate Control Co. , TANDA, Kiyoshi, Zexel Valeo Climate Control Co.
IPC分类号： F25B1/00
CPC分类号： F25B49/005 , F25B9/008 , F25B31/00 , F25B40/00 , F25B41/062 , F25B43/02 , F25B2309/061 , F25B2400/0411 , F25B2500/07 , F25B2500/18 , F25B2600/2501
摘要： In a freezing cycle, if the pressure in a high-pressure line (8) reaches an abnormal level, the high-side pressure is released toward a low-pressure line (9) to lower the pressure without releasing the coolant into the atmosphere and the coolant is released into the atmosphere only when the pressure in the low-pressure line (9) reaches an abnormal level. A first means for a safety (10) that communicates between the high-pressure line (8) and the low-pressure line (9) is provided and a second means for safety (11) is provided between the low-pressure line (9) and the atmosphere, so that if the high-side pressure reaches a level equal to or higher than a first pressure level, the first means for safety (10) is engaged to leak the high-pressure coolant in the high-pressure line (8) into the low-pressure side to allow the increase in the pressure in the high-pressure line (8) to be absorbed in the low-pressure line (9), thereby lowering the pressure in the high-pressure line without releasing coolant to the outside. Since the coolant is released into the atmosphere by the second means for safety only if the pressure in the low-pressure line (9) reaches a level equal to or higher than a second pressure, the quantity of coolant released to the outside of the freezing cycle is minimized.
摘要翻译：在冷冻循环中，如果高压管线（8）中的压力达到异常水平，则高压侧压力朝向低压管线（9）释放以降低压力而不将冷却剂释放到大气中并且只有当低压管路（9）中的压力达到异常水平时，冷却剂才释放到大气中。提供在高压管线（8）和低压管线（9）之间连通的用于安全装置（10）的第一装置，并且在低压管线（9）和低压管线）和大气的压力，使得如果高压侧压力达到等于或高于第一压力水平的水平，则第一安全装置（10）接合以泄漏高压管路中的高压冷却剂（ 8）流入低压侧，以允许高压管线（8）中的压力增加在低压管线（9）中被吸收，由此降低高压管线中的压力而不释放冷却剂到外面去。由于只有当低压管路（9）中的压力达到等于或高于第二压力的水平时，冷却剂才通过第二安全装置释放到大气中，所以释放到冷冻外部的冷却剂的量周期最小化。

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