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发明名称
液体罗茨流量计主体摩擦副润滑的过滤结构
摘要
本实用新型为计量含砂原油的罗茨流量计提供一个主体摩擦副润滑的过滤结构。它有既不增加流量计压力损失又不易堵塞的过滤网(3—1、3—4)包容主体摩擦副(1—1、1—2、1—4、1—5)。此网过滤精度高,因此由孔(3—2、3—3)经空腔(3—9、3—5)流入网内润滑摩擦副的原油含砂量少,含砂颗粒小,摩擦副磨损减慢,从而减缓了“扫膛”和“卡死”的发生。本实用新型还提供一个仪表部分(包括测量机构和表头)独立装配的结构,它是通过螺钉(3—7)将两个端盖(3—6、3—8)固定在一起实现的。
申请公布号
CN2300890Y
申请公布日期
1998.12.16
申请号
CN97213401.8
申请日期
1997.03.27
申请人
徐长清
发明人
徐长清
分类号
G01F15/12
主分类号
G01F15/12
代理机构
代理人
主权项
1.一个液体罗茨流量计主体摩擦副(1-1、1-2、1-4、1-5)的润滑结构,其特征是在所测介质流向摩擦副(1-1、1-2、1-4、1-5)摩擦面的流路上设置过滤结构(3-1、3-4)。
地址
150086黑龙江省哈尔滨市南岗区保健路157-34
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