Unmanned aircraft systems for firefighting
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United States of America Patent
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Dec 12, 2017
Issued Date -
N/A
app pub date -
Jun 18, 2013
filing date -
Jun 18, 2012
priority date (Note) -
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Abstract
A firefighting aircraft adapted for use in an unmanned aircraft system includes a storage tank for firefighting fluid, having a plurality of filling ports spaced from one another. A probe carries a conduit that is in fluid communication with the storage tank. The conduit receives water from a body of water overflown by the aircraft. A filling system for controls the flow of water to and from the storage tank, and includes a remotely and automatically operable valve respectively associated with each filling port. A control system is in communication with each valve, and is operative to command the position of each valve to regulate the flow of fluid through each filling port. A baffle may be further provided internal to the storage tank at least partially defining a first chamber within the tank. The baffle may include one or more baffles, and be provided substantially vertically, horizontally, parallel with or transverse to a longitudinal axis of the aircraft, or otherwise, and is operative to contain water entering the tank through the filling port, substantially filling the first chamber before filing any other portion of the storage tank.
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