A portable beacon ( 8 ) for deterring damaging access to a deactivatable hazard comprises means for deactivating the hazard in the event of actual or impending damaging access to the hazard, deterrence means ( 12 ) and sensors ( 13, 23, 24 ) for sensing when damaging access is impending or actually
A portable beacon ( 8 ) for deterring damaging access to a deactivatable hazard comprises means for deactivating the hazard in the event of actual or impending damaging access to the hazard, deterrence means ( 12 ) and sensors ( 13, 23, 24 ) for sensing when damaging access is impending or actually occurring.
대표청구항▼
1. A portable beacon that can be positioned to deter damaging access to a deactivatable hazard, the beacon including means for deactivating the hazard in the event of impending damaging access to the hazard and proximity sensor means responsive to proximity of a threat, wherein the proximity sensor
1. A portable beacon that can be positioned to deter damaging access to a deactivatable hazard, the beacon including means for deactivating the hazard in the event of impending damaging access to the hazard and proximity sensor means responsive to proximity of a threat, wherein the proximity sensor means is responsive to the distance of the threat from the beacon. 2. The beacon of claim 1 wherein the means for deactivating the hazard is responsive to the proximity sensor means. 3. The beacon of claim 1 wherein deterrence is by visual warning. 4. The beacon of claim 3, further including means for emitting light. 5. The beacon of claim 4, further including an LED array. 6. The beacon of claim 4, wherein the light emitting means are adapted to project light only substantially horizontally in use. 7. The beacon of claim 3, further including reflector means. 8. The beacon of claim 1 wherein deterrence is by audible warning. 9. The beacon of claim 1 wherein deterrence is by wireless transmission of a warning signal. 10. The beacon of claim 1 wherein deterrence is by a warning or warning signal whose characteristics vary in accordance with the likelihood of damaging access to the hazard. 11. The beacon of claim 10, wherein the likelihood of damaging access is determined by the proximity of a threat to the beacon. 12. The beacon of claim 11, wherein the likelihood of damaging access is determined by the distance of the threat from the beacon. 13. The beacon of claim 1 further including collision sensor means responsive to movement of the beacon. 14. The beacon of claim 13, wherein the collision sensor means is responsive to vibration of the beacon. 15. The beacon of claim 13 wherein the collision sensor means is responsive to tilting of the beacon. 16. The beacon of claim 13 wherein the means for deactivating the hazard is responsive to the collision sensor means. 17. The beacon of claim 1, further including location sensor means for sensing the location of the beacon. 18. The beacon of claim 17, wherein the location sensor means is adapted to sense location of the beacon with respect to a datum. 19. The beacon of claim 18, wherein the datum is a co-operating formation shaped to complement the beacon. 20. The beacon of claim 19, wherein the location sensor means comprises at least one microswitch positioned to sense mating engagement of the beacon and the formation. 21. The beacon of claim 1, further including manual override means for deactivating the hazard. 22. The beacon of claim 1 and being adapted substantially to surround the hazard in use. 23. The beacon of claim 22, wherein the beacon has a hollow body capable of substantially accommodating the hazard in use. 24. The beacon of claim 1 and being adapted to lie substantially above the hazard. 25. The beacon of claim 1 and being adapted to deter damaging access to a fuel conduit, the beacon including means co-operable with the conduit to shut off fuel flow through the conduit in the event of actual or impending damaging access to the conduit. 26. The beacon of claim 25, wherein the means co-operable with the conduit include pneumatic actuator means. 27. The beacon of claim 26, wherein the pneumatic actuator means is biased to shut off fuel flow through the conduit in the absence of pressurized air. 28. The beacon of claim 25 further including pressurized air bleed means connectable to an air line associated with the conduit. 29. The beacon of claim 28, further including an air switch that blocks the passage of air from the air line to the pneumatic actuator means in response to the proximity or collision sensor means. 30. The beacon of claim 25 further including means co-operable with a manual fuel shut-off associated with the conduit. 31. The beacon of claim 30, wherein the manual fuel shut off is cable operated and the beacon includes means for pulling the cable. 32. The beacon of claim 31, wherein the manual fuel shut off remains manually operable by an operator pulling the cable. 33. The beacon of claim 30 further including means responsive to failure to connect the beacon to the manual fuel shut-off to shut off the fuel flow. 34. The beacon of claim 33, further including timeout means permitting a set-up time period for connecting the beacon to the manual fuel shut-off before shutting off the fuel flow. 35. The beacon of claim 1 and being adapted to deter damaging access to a fuel conduit, the beacon including a valve for exhausting pressurized air to atmosphere from an air line associated with the conduit to shut off fuel flow through the conduit controlled by the air line. 36. The beacon of claim 1, further including means for connection to an electrical power source associated with the hazard. 37. The beacon of claim 1, further including an internal electrical power source. 38. The beacon of claim 37, further including a solar cell array for recharging the internal electrical power source. 39. A safety system including a deactivatable hazard and a portable beacon that can be positioned to deter damaging access to a deactivatable hazard, the beacon including means for deactivating the hazard in the event of impending damaging access to the hazard and proximity sensor means responsive to proximity of a threat, wherein the proximity sensor means is responsive to the distance of the threat from the beacon. 40. The system of claim 39, wherein the beacon is positioned to deter damaging access to the hazard and is linked to the hazard for the purpose of deactivation. 41. A fuel supply or storage system, the system comprising a portable beacon that can be positioned to deter damaging access to a deactivatable hazard, the beacon including means for deactivating the hazard in the event of impending damaging access to the hazard and proximity sensor means responsive to proximity of a threat, wherein the proximity sensor means is responsive to the distance of the threat from the beacon, wherein the beacon is adapted to deter collision with an exposed fuel conduit, the beacon including means co-operable with the conduit to shut off fuel flow through the conduit in the event of actual or impending collision with the beacon to prevent uncontrolled leakage of fuel through collision damage to the conduit. 42. The fuel supply or storage system of claim 41 and being adapted to refuel aircraft. 43. An airport, airfield, helipad or aircraft carrier having a fuel supply or storage system comprising a portable beacon that can be positioned to deter damaging access to a deactivatable hazard, the beacon including means for deactivating the hazard in the event of impending damaging access to the hazard and proximity sensor means responsive to proximity of a threat, wherein the proximity sensor means is responsive to the distance of the threat from the beacon, wherein the beacon is adapted to deter collision with an exposed fuel conduit, the beacon including means co-operable with the conduit to shut off fuel flow through the conduit in the event of actual or impending collision with the beacon to prevent uncontrolled leakage of fuel through collision damage to the conduit. 44. A method of protection against a deactivatable hazard, the method comprising positioning a portable beacon to deter damaging access by a threat to the hazard and the portable beacon deactivating the hazard in response to proximity of the threat to the beacon. 45. A method of preventing uncontrolled leakage of fuel caused by collision damage to an exposed conduit in a fuel supply or storage system, the method comprising positioning a portable beacon to deter collision by a threat with the conduit and in the event of actual or impending collision with the beacon, the beacon co-operating with the conduit to shut off fuel flow through the conduit in response to the proximity of the threat to the beacon.
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이 특허에 인용된 특허 (5)
Pong William ; Fredkin Edward, Automatic refueling station.
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