Cleaning device for a tube

Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Distributor with diversely shaped or oriented terminal...

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Details

239251, 239262, 239DIG13, 134167R, B08B 904

Patent

active

054391750

ABSTRACT:
A self-propelled cleaning device for a tube where it does not revolve along the inner circumferential wall of the tube used as a piping when desired, and further permitting such a device to revolve along the inner circumferential wall of tube as an occasion demands. The cleaning device for a tube comprises a nozzle supporting body including a main flow path in an axial direction, and for self propelling having ejection holes in an oblique direction communicating with the main flow path formed on the upstream side to which a hose is connected. The main flow path communicates with a liquid supply path formed on the secondary side of a bearing portion for supporting a tubular revolving body having ejection holes for an unbalanced force. A slide valve is internally provided on the secondary side of the nozzle supporting body and is constantly forced in a valve seat direction by a spring member. A screw body is adapted for closing an opening portion on the front end side of the nozzle supporting body; and a valve limiting member is provided at the screw body and adapted for adjusting a spring force of the spring member so that the slide valve can be moved away from the valve seat in correspondence with a pressure of a pressure medium flowing into the upstream side.

REFERENCES:
patent: 1803425 (1931-05-01), Cunningham
patent: 3275247 (1966-09-01), Hammelmann
patent: 3656694 (1972-04-01), Kirschke
patent: 3702685 (1972-11-01), Kirschke
patent: 5143105 (1992-09-01), Katayama

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