发明名称 |
Gas regulating valve |
摘要 |
In a gas flow regulating valve, the needle (37) axially shifted by a rod (40) includes a recess (70) which is of variable depth and cooperates with an expanding sealing element (43). The valve is provided with a safety closure means comprising a valve member (33) which has a spring (35) and whose displacements are controlled by a free connection tube (30).
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申请公布号 |
US4781216(A) |
申请公布日期 |
1988.11.01 |
申请号 |
US19880152835 |
申请日期 |
1988.02.05 |
申请人 |
L'AIR LIQUIDE |
发明人 |
ARNOULT, JEAN;LOISEAU, GERARD;MOLOZAY, MAURICE |
分类号 |
F16K41/10;G05D7/06;(IPC1-7):F16K11/02 |
主分类号 |
F16K41/10 |
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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