Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1983-04-20
1985-08-20
Nase, Jeffrey V.
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239 66, 239204, 239489, B05B 306
Patent
active
045359377
ABSTRACT:
A hydraulically actuated device is employed as part of a pool cleaning system. An improved structure assembly of a hydraulically actuated core within a housing provides ease of manufacture and assembly. Graded control of the application of pressure and the flow of fluid through the system is provided so that the hydraulic device is actuated in a relatively gradual and graded manner to overcome the deleterious effects of abrupt actuation of such devices and the resultant water hammer, pressure surges which are generated in such abruptly operated systems. Improved jet orifices enclosed within the hydraulically actuated cylinder of the device provide for more efficient disturbance of sediments on the interior surfaces of the pool in the immediate vicinities of the hydraulically actuated devices. Graded control of fluid flow and the sequential actuating of selected hydraulically controlled devices is provided in a manner which ensures that a constant rate of fluid flow through the system is maintained at all times.
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Fagan Joseph H.
Pristo Paul J.
Duffy James F.
Edelbrock Daniel R.
Nase Jeffrey V.
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