Sprinkler head

Details Sprinkler head Sprinkler head

1979-08-27

1981-06-09

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

B05B 304, B05B 1510

Patent

active

042720249

ABSTRACT:
A sprinkler head has a pop-up riser having a nozzle at the upper end thereof for directing a desired flow of fluid therefrom; said riser contains a turbine drive device for rotating said nozzle in response to fluid passing through said sprinkler head; said nozzle having a sealing surface with a part of said sprinkler head; said nozzle being biased against said part so that fluid passing through said nozzle decreases the force biasing said nozzle against said non-rotating part. A modification of the nozzle and turbine drive is disclosed. The modified nozzle is biased against the non-rotating part at a predetermined sealing load which has a minimum effect by the pressure of the fluid flowing through said nozzle. The turbine drive has a gear drive housing filled with fluid and sealed from contact with said fluid passing through said sprinkler head by a capillary tube.

REFERENCES:
patent: 3637139 (1972-01-01), Felix

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