Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Patent
1996-11-05
1998-04-21
Brinson, Patrick F.
Pipes and tubular conduits
With flow regulators and/or baffles
Restrictors
138 46, 138 37, 138 31, F15D 102
Patent
active
057408378
ABSTRACT:
Disclosed is a means for automatically regulating water pressure in water pipe mainly including a tube connected to and between two sections of water pipes. A plurality of pressure-reduction members and springs are alternately disposed in the tube. The pressure-reduction members have an external diameter slightly smaller than an inner diameter of the tube. Grooves or through holes are formed on a circumferential surface or bottom surface, respectively, of the pressure-reduction members for water to pass through. Whereby, when a small volume of water with low water pressure flows into the tube, the springs are in an extended state, allowing water flowing into the tube to freely pass the grooves around the pressure-reduction members and to enter into the springs via circumferential clearances of the springs, and finally flows out of the tube via the through holes on the lowest pressure-reduction member in the tube. And, when a large volume of water with high water pressure flows into the tube, the springs are compressed and the circumferential clearances thereof are reduced to limit water that can flow into the springs and flows out of the tube via the through holes on the lowest pressure-reduction member in the tube. Thereby, water pressure in water pipe is automatically regulated.
REFERENCES:
patent: 3375855 (1968-04-01), Deeks
patent: 3532128 (1970-10-01), Webb
patent: 3714964 (1973-02-01), Livingston
patent: 4266576 (1981-05-01), Bradford
patent: 4610369 (1986-09-01), Mercier
patent: 4679597 (1987-07-01), Stein
patent: 5210382 (1993-05-01), Paley et al.
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