CPC A62C 13/64 (2013.01) [A62C 37/50 (2013.01); G01F 23/62 (2013.01); G01F 23/74 (2013.01); G01F 25/24 (2022.01)] | 20 Claims |
1. A fire suppressant storage device (20) comprising:
a tank (22) having a first port (40), a second port (70), and an interior (32) for storing fire suppressant;
a discharge assembly (46) mounted to the first port and comprising:
a discharge valve (48); and
a discharge conduit (50) at least partially within the tank interior and having:
an interior; and
an exterior; and
a liquid level measurement assembly mounted to the second port and comprising:
a tube (100) at least partially within the tank interior and having:
an interior sealed relative to the tank interior; and
an exterior;
a float (120) surrounding the tube and having one or more magnets (130) and having a range of motion; and
a plurality of magnetic field sensors (152, 154) along a carrier (150) within the tube interior, the carrier extending from a proximal end to a distal end,
wherein the plurality of magnetic field sensors (152, 154) comprise:
a first plurality of one-dimensional sensors (152); and
at least two three-dimensional sensors (154) distally of the first plurality of one-dimensional sensors.
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