Regulated flow-restrictor devices particularly useful in drip ir

Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner

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239542, 239547, B05B 102

Patent

active

058296859

ABSTRACT:
A regulated flow-restrictor device particularly useful as a drip irrigation emitter includes an elastomeric element constructed and supported such that it is non-uniformly deformable along its length in response to an increase in fluid pressure to effect a sequential closing of clearances in the flow-reducing passageway.

REFERENCES:
patent: 5183208 (1993-02-01), Cohen
patent: 5400973 (1995-03-01), Cohen
patent: 5609303 (1997-03-01), Cohen
patent: 5615838 (1997-04-01), Eckstein et al.
patent: 5628462 (1997-05-01), Miller
patent: 5634594 (1997-06-01), Cohen
patent: 5636797 (1997-06-01), Cohen

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