Patent ID: 11904196
Assignee: CARRIER CORPORATION
Field: Environmental technology (Chemistry)
Classification: CPC A  G | IPC A  G

Claim 9:
10. 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 interior and having:
an interior; and
an exterior; and

a liquid level measurement assembly (400) mounted to the second port and comprising:
a tube (100) at least partially within the interior and having:
an interior sealed relative to the surrounding tank interior; and
an exterior;

a float (120) surrounding the tube; and
a member (424) axially moveable within the tube interior,, wherein:
the liquid level measurement assembly comprises a longitudinal array of magnetic field sensors or magnetic switches (402) within the tube;
the member has an aperture surrounding the array; and
the member has one or more magnets positioned to magnetically cooperate with one or more of the magnetic field sensors or magnetic switches for determining a position of the member along the array and with the float to relatively axially trap the member to the float.