Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – With impact motive means
Patent
1975-11-26
1976-12-28
Love, John J.
Fluid sprinkling, spraying, and diffusing
Distributor continuously moves relative to support during...
With impact motive means
239262, B05B 308
Patent
active
039997111
ABSTRACT:
A rotary water sprinkler comprising a central supply coupling, a housing articulatedly rotatable about said coupling, an outflow nozzle fixedly mounted with respect to said housing, an orifice defining member fixedly located in and with respect to said housing and defining therewith an inlet zone and a controlled pressure zone in communication with said nozzle, and separated from the inlet zone by said orifice defining member, a tubular control member fixedly mounted with respect to said coupling and communicating therewith at one open end, a valve head of said control member formed integrally with an opposite closed end thereof and located adjacent an orifice defined by said orifice defining member, the latter being axially slidable with respect to the control member, a wall portion of said tubular control member defining, at an intermediate position thereof, an aperture serving to effect communication between said inlet zone and, via the interior of the control member, with said coupling, biasing means acting on said orifice defining member so as to bias said valve head and said orifice away from one another so as to increase the through-flow cross-sectional area through said orifice, the arrangement being such that water pressure exerted on at least one of said members as a result of water flow from said coupling to said nozzle is directed opposite to said biasing means so as to reduce the through-flow cross-sectional area through said orifice.
REFERENCES:
patent: 2176243 (1939-10-01), Braungart
patent: 2336725 (1943-12-01), Engelhart
patent: 2380101 (1945-07-01), Engelhart
patent: 3653597 (1972-04-01), Blass
patent: 3813043 (1974-05-01), Mordehai
Love John J.
Mifal Leyitzur Mamtirim Veavizarei Hashkaya Bekibbutz Dan
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