Composite vessel fire protection system
AssigneeQuantum Fuel Systems LLC
InventorMohit Garg
Life of this patent
Estimating the term…
Abstract
A localized fire protection system for composite overwrapped pressure vessels which uses net or mesh which stretches in at least one direction. They can be elastomeric or polymeric or any material and/or weave that provides said function. Wrapping sections held together via a flammable fuse connected to a relief valve under pressure from the net wrappings to block a relief valve pathway to replace stored gas in case of a localized fire.
Claims9
A fire activatable pressure relief method for pressurized gaseous fuel tanks, the method comprising:
- surrounding a pressurized gaseous fuel tank or vessel (10) having a fluid connection into the tank and a valve (40) at its distal end (14) with a plurality of stretchable net coverings (22A-22F);
- anchoring a first covering (22A) to one end (12) of the tank;
- affixing the additional net coverings (22B-22F) to the first covering forming a mesh (20) via one or more fire and temperature sensitive fuse wire (30);
- affixing the net covering at the distal end (14) of the pressure vessel to an actuator ring (37);
- connecting the actuator ring to a thermally-activated pressure relief device “TPRD” system (50) to compress a spring (206);
- and,
- a movable spool (200) associated with the spring moves within the TPRD system to block the fluid path (300) of stored gas through the TPRD to the atmosphere unless a fuse is exposed to a temperature beyond a threshold level.
A fire activated frangible net system comprising stretchable net coverings (22A-22F) connected to each other via a fire and temperature sensitive fuse wire woven in and out of a mesh of one net covering and an adjacent net covering;
- and
- a composite overwrapped pressure vessel “COPV” having a proximal end (12), and a distal end (14);
- a fluid connection (41) into the COPV via a valve (40) at the distal end (14);
- a thermally-activated pressure relief device “TPRD” (50) fluidly connected to the valve;
- the first end of the net coverings anchored to the proximal end;
- the second end of the net system connected to an actuator ring (37) which is connected to the TPRD.
Dependencies are inferred from the claim text.