Fluent material handling – with receiver or receiver coacting mea – Automatic control of flow cutoff or diversion – Level or overflow responsive
Patent
1990-02-23
1991-07-02
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Automatic control of flow cutoff or diversion
Level or overflow responsive
141 18, 141 83, 141 94, 141 95, 141212, 141213, 141215, 141216, 137441, 137434, 137446, 25112915, 220 8500F, 220 8500S, F16K 1736, F16K 3118
Patent
active
050278711
ABSTRACT:
A multi-functional control valve system for an LPG tank. The valve system comprises, on a single frame, a fill port for delivery of LPG from a supply source to the tank, a manual shut-off valve for the fill port, a delivery port, independent from the fill port, for passage LPG from the tank to a delivery line for utilization at a location remote from the tank, a manual shut-off valve for the delivery port, fuel level monitor associated with a frame responsive to the level of LPG in the tank and an automatic shut-off associated with the fuel level monitor and positioned in the fill port automatically to move to close the fill port and stop delivery of LPG to the tank when the fuel in the tank reaches a predetermiend level, and automatically releasable from that closed position when LPG in the tank falls below that level, as indicated by the monitor. This valve system provided in one compact frame, which may be readily fitted or retro-fitted to a tank, many desirable features for safe and convenient LPG tank operation.
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