发明授权
US08181967B2 Variable clearance packing ring 失效
可变间隙填料环

Variable clearance packing ring
摘要:
Disclosed is a variable clearance packing ring including a plurality of arcuate packing ring segments positional seriatim, a plurality of biasing member interfaces defined by the plurality of arcuate packing ring segments, and a biasing member interactive with one of the plurality of interfaces on one of the plurality of arcuate segments and one of the plurality of interfaces on an adjacent one of the plurality of arcuate segments.
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