Drip emitter

Details Drip emitter Drip emitter

1988-12-07

1991-03-12

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

F16K 31365

Patent

active

049985566

ABSTRACT:
An improvement of an adjustable-rate, flow-regulated, constant-output emitter comprising a flow-regulating valve having a valve head accessible to the high-pressure liquid and a valve stem one end of which is attached to, or integral with, the valve head, and a valve seat associated with the valve head and located in a high-pressure region upstream of a first chamber, the valve seat and the valve head defining between them a gap through which the liquid passes on its way from the high-pressure source into the first chamber, wherein the valve head is adapted to be acted upon by a first force tending to reduce the gap, and by a second force tending to increase the gap, a state of equilibrium between the forces defining the set point of the flow-regulated emitter.

REFERENCES:
patent: 375071 (1887-12-01), Jackson
patent: 3103232 (1963-09-01), Ritter et al.
patent: 4343305 (1982-08-01), Bron
patent: 4513777 (1985-04-01), Wright

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