Method to operate with a wire-guided, in air or water, movable v

Details Method to operate with a wire-guided, in air or water, movable v Method to operate with a wire-guided, in air or water, movable v

1993-04-23

1994-12-27

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Underwater system

244 312, H04B 1100, F42B 1504

Patent

active

053771648

DESCRIPTION:

BRIEF SUMMARY
The present invention relates to a method to operate with a wire-guided, in air or water, movable vehicle and a device for carrying out the method. The invention has emerged when starting from problems concerning underwater vehicles or put in another way, torpedoes and will therefore mainly be exemplified with such. The present problem exist, however, also in an application with air vehicles and also in this case it can be solved in the same way, so the invention relates also to such vehicles.
In order to stop foreign underwater vehicles from operating in the Swedish archipelago, it is necessary to be able to continuously guard important entrances to inner water and provide a serious threat to damage an intruding submarine, if it tries to penetrate. It is also necessary to effectively close the inner water, if a submarine has penetrated and establish a serious threat to this submarine if it tries to break out. A system that shall cope with this task should among other things be transportable and possess a great endurance and have a high probability of hit and effect. Due to a difficult bottom topography and a difficult hydroacoustical environment in our inner archipelagoes, it is necessary, when using an active hydroacoustical homing device, that target data are transmitted to an operator, who makes the classification of hydrophone echoes.
A possible solution to the raised problem is to use some form of a wire-guided torpedo-mine, that is a wire guided torpedo that rests on a support on the bottom until it is activated, whereupon it swims away on its commission. It is in this case possible to have an operator on the shore, connected to the support with a cable, for example an optical fibre, for communication and possibly also an usual two-wire cable for power supply.
Between the support and the torpedo, or more generally put, the vehicle, in a corresponding way, a wire is running for the transmission of information, that is guidance information for the torpedo and, in the reconnaissance case, reconnaissance results from the torpedo. This far the present system are previously known, at least as ideas, but here a serious problem arises in Swedish waters. The bottoms are here, along great parts of the coast, rocky and stony and therefore there is a great risk that the wire between the vehicle and the support gets caught somewhere and gets broken. This serious problem is solved by the invention by giving it the design that is evident from the independent claims.
Corresponding problems exist for wire guided air or atmosphere vehicles, for instance remotely controlled reconnaissance helicopters or remotely controlled propelled airships. The wire can easily get caught in trees or the like in the vicinity of the vehicle support. Also this problem is solved by the invention in a corresponding way.
In the following the invention will be described in more detail under reference to the attached drawings where,
FIG. 1a-c show an embodiment of the invention in an underwater application from the front,
FIG. 2a-c show the corresponding embodiment from the side and
FIG. 3 shows a cross section through an embodiment of a device having buoyancy and being part of the invention.
The embodiment that is shown in the figures relates to a reconnaissance and/or weapon system for underwater use and comprises a vehicle 1, in the following in the description of this system called torpedo, and a support 2 for it. The support is connected with an operator site, preferably on the shore, with a wire connection. This wire, which is intended to lie still, preferably has a higher density than that of water, so it lies on the bottom. Further, the support 2 is connected to the torpedo 1 with a wire 3, here called the control wire, which has a density somewhat lower than that of water. The wire will therefore float in the water and does therefore not strive to lie down on the bottom.
In the support 2 and/or the torpedo 1 there are wire magazines from which the wire is fed out, when the torpedo leaves. In order for the wire feeding to work at qu

REFERENCES:
patent: 2422337 (1947-06-01), Chilowsky
patent: 3161168 (1964-12-01), Rebikoff
patent: 4004265 (1977-01-01), Woodruff et al.
patent: 4557697 (1985-12-01), Kontar et al.
patent: 4794575 (1988-12-01), Miller

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