发明名称 |
Variable Refrigerant Expansion Device with Pressure Relief |
摘要 |
A refrigerant expansion assembly, and method of operation, for use in a vehicle air conditioning system is disclosed. An orifice channel connects an orifice inlet port to an orifice outlet port and includes a valve seat. A variable orifice assembly is mounted in the orifice channel and includes a fixed orifice passage extending axially through a variable orifice body having a sealing flange that can seal against a valve seat via an orifice spring. An orifice bypass valve includes a check ball biased against a ball seat by a bypass spring and selectively allows some of the refrigerant to bypass the variable orifice assembly. The refrigerant expansion assembly may also include a burst disk downstream of the variable orifice assembly.
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申请公布号 |
US2009288436(A1) |
申请公布日期 |
2009.11.26 |
申请号 |
US20080125085 |
申请日期 |
2008.05.22 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
LU JAN;EUSTICE HARRY E.;STANKE EDWIN J. |
分类号 |
F25B41/04 |
主分类号 |
F25B41/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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