Fluid handling – Liquid level responsive or maintaining systems – Control of both inflow and outflow of tank
Patent
1998-09-01
1999-12-14
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
Control of both inflow and outflow of tank
137428, 137590, 1375905, 137393, F16K 3124, F16K 3300
Patent
active
060004258
ABSTRACT:
A device comprising a chamber (10) with a maximum fluid level (14) established by an internal drain pipe (62) directing excess fluid to a point of disposal (44) and an internal replenishment fluid supply valve (16) providing any additional fluid required to maintain a minimum fluid level (12). The chamber (10) is remotely connected by unpressurized fluid conduits (32 & 34 & 40) to one or more fluid containers (30 & 38) which are to have maximum regulated levels (72 & 74) and minimum regulated levels (36 & 42) controlled by the device. The chamber (10) is established so that the maximum and minimum fluid levels (14 & 12) are respectively set at the same elevation as the maximum and minimum regulated fluid levels (72, 74 & 36, 42) of the regulated containers (30 & 38).
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