发明名称 |
PORT RODDER WITH ANTI-DRIFT FEATURE |
摘要 |
An anti-drift mechanism for a downwardly oriented port rodder for cleaning a port opening of a recovery boiler. The anti-drift mechanism prevents a cutter of the rodder from accidentally drifting from a retracted holding position into the port upon the loss of holding power to the actuator. Two embodiments are disclosed. The first is a frictional engagement with the port rodder while the second involves the use of a valve in conjunction with the actuator to trap fluid pressure and maintain the rodder in the holding position.
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申请公布号 |
CA2059347(A1) |
申请公布日期 |
1992.07.25 |
申请号 |
CA19922059347 |
申请日期 |
1992.01.14 |
申请人 |
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发明人 |
ACKERMAN, DEAN C.;BROWN, FRANCIS L.;HIPPLE, JAMES H.;SMITH, DON W. |
分类号 |
F23J3/00;(IPC1-7):F23J3/00 |
主分类号 |
F23J3/00 |
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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