Device for controlling bird strike hazards

Details Device for controlling bird strike hazards Device for controlling bird strike hazards

1999-04-13

2001-09-18

Nelson, Peter A. (Department: 3641)

Ammunition and explosives

Blasting

Terrain clearance

C102S336000, C102S361000, C102S502000

Reexamination Certificate

active

06289815

ABSTRACT:

BACKGROUND OF THE INVENTION
The invention relates to means for dispersing birds in airport regions.
Birds are a real nuisance to airports. They cause considerable delays or even accidents on take-off if they are ingested into an aircraft jet engine running at full power. Combating the threat posed by birds is therefore a major problem to airports.
There are known, for example, electronic systems installed near the take-off and landing strips, which emit signals at frequencies likely to scare the birds by imitating the cries of predators. However, birds living close to the airport become accustomed to these electronic systems which therefore become ineffective.
Elsewhere, use is also made of conventional hunting cartridges. The drawback of this means lies in the fact that the hunting cartridge is only low range, about 50 m, and that it is noisy at the start of the shot. The birds can therefore locate the firing device by the noise at the beginning of the firing and keep away from it without actually vacating the at-risk areas of the airport.
At lightly used airports, use is also made of specially trained falcons from falconries in order to keep birds away from the airport. However, this technique of combating the threat caused by birds cannot be applied to airports where the aerial traffic is intense.
SUMMARY OF THE INVENTION
The invention aims to alleviate these drawbacks by creating an acoustic-effect pyrotechnic device intended to scare birds over some distance, and which has no acoustic signature at the start.
To this end, the subject of the invention is a pyrotechnic device for combating the threat caused by birds, characterized in that it consists of a self-propelled projectile containing a propulsion motor and an element for the delayed ignition of an acoustic-effect charge intended to scare birds and which is housed in the said projectile.


REFERENCES:
patent: 926457 (1909-06-01), Behr
patent: 2247111 (1941-06-01), Batchelor et al.
patent: 2961962 (1960-11-01), Jackson
patent: 3584582 (1971-06-01), Muller
patent: 3782286 (1974-01-01), Jones et al.
patent: 4052940 (1977-10-01), Gits et al.
patent: 4457233 (1984-07-01), Hyde
patent: 4566388 (1986-01-01), Loyd, Jr.
patent: 5025725 (1991-06-01), Cameron
patent: 5801321 (1998-09-01), LaGrange et al.
patent: 279298 (1951-11-01), None
patent: 85 06 299 (1985-05-01), None
patent: 701888 (1931-03-01), None

Affiliated with

Also associated with

Rating

Device for controlling bird strike hazards does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for controlling bird strike hazards, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for controlling bird strike hazards will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2509019