Abrégé

The invention relates to a device and a method for the thermal compensation of a weapon barrel of a gun (10) comprising at least one weapon barrel (11) that is mounted in a cradle (3) and in a barrel support (4) as an extension of the cradle (3). Multiple temperature sensors (p1-p16) are integrated in the cradle (3) and the barrel support (4). The sensors are connected to a data box (7) via data lines (6), and the data box (7) is connected to a data processing device (9). The data processing device (9) can act on actuators of the gun (10). The temperature of the cradle (3) and the barrel support (4) is measured by means of the temperature sensors (p1-p16). Then, the temperature differences between the upper and lower sides and the right and left sides of the cradle (3) and of the barrel support (4) are ascertained. The barrel inclination is calculated from said values, and then a compensation for the barrel inclination is carried out by adjusting the alignment of the weapon barrel (11) in azimuth and/or elevation.

Classes IPC  ?

• F41A 27/30 - Systèmes de stabilisation ou de compensation, p.ex. de compensation du poids du tube de l'arme ou de la force du vent

Abrégé

The invention relates to inductively or capacitively programming a projectile (5). According to the invention, a waveguide (2, 11) is used for the programming, the electromagnetic field being concentrated in the waveguide. The used programming unit (1) consists of at least one waveguide (2, 11) which is preferably located and/or integrated in the region of the muzzle, for example in front of the muzzle brake (6). A transmission coupler (3) for the transmission is fed by a signal generator (4). Said information relating to the projectile (5) is modulated to the carrier frequency (f1) in the modulator (18). A reception coupler (8) integrated on/in the projectile (5),is electrically interconnected to a store or processor (19) in the projectile (5). Said reception coupler receives the modulated signal and transmits it to the processor (19) which is where the eventual programming takes place.

Classes IPC  ?

• F42C 17/04 - Appareils pour le réglage des fusées pour des fusées électriques
• F41A 21/32 - Accessoires de bouches de canon ou freins de bouche
• F42C 11/00 - Fusées électriques
• G01P 3/66 - Dispositifs caractérisés par la détermination du temps mis à parcourir une distance constante en utilisant des moyens électriques ou magnétiques

Abrégé

The invention relates to the inductive or capacitive transmission of energy to a projectile (7). According to the invention, a waveguide (4) can be used to transmit energy, the electric field being concentrated in the waveguide. The thus used energy transfer system (1) consists of at least one waveguide (4) which is arranged or integrated in the region of the muzzle, for example between a muzzle brake (3) and a gun barrel (2). A transmission coupler (5) for transmission is fed by a signal generator (6). The projectile (7) comprises at least one sensor (8) which captures the signal and a store (9) in the projectile (7) is charged. In another embodiment, assemblies of said system (1) are used for a V0 measurement as well as to programme the projectile (7).

Classes IPC  ?

• F41A 21/32 - Accessoires de bouches de canon ou freins de bouche
• F42C 11/00 - Fusées électriques
• F42C 17/04 - Appareils pour le réglage des fusées pour des fusées électriques
• G01P 3/66 - Dispositifs caractérisés par la détermination du temps mis à parcourir une distance constante en utilisant des moyens électriques ou magnétiques

Abrégé

The invention relates to programmable ammunition (1) which receives a programme as well as energy transmission. Said ammunition (1) also comprises an energy store (5), an electronic system (6) and an ignition (7) in addition to at least one sensor (2) for capturing the signal emitted for the programme, said signal having a frequency (f3) which is transmitted further to the electronic system (6). The ammunition (1) is also combined with an energy transfer unit in such a manner that an additional signal having a frequency (f2) is guided to the energy unit (5) by the same the sensor and/or an additional sensor and is charged. Programming and the energy transmission occurs when the projectile (1) passes through a weapon barrel, a muzzle brake or similar which is operated as a waveguide below the threshold frequency.

Classes IPC  ?

• F42C 11/06 - Fusées électriques à retard déterminé par circuits électriques
• F42C 11/00 - Fusées électriques
• F42C 17/04 - Appareils pour le réglage des fusées pour des fusées électriques

Abrégé

The invention relates to a reduction in the measurement construction by reducing the distance (z x) between the receiving (3, 4) and transmitting coupler (2) to preferably 0 mm. However, the implementation of this concept is complicated by the fact that, below a certain distance (z k) between the couplers (2, 3, 4), it is no longer possible to determine individual terms, but only so-called sum fields. This requires a splitting of said sum fields in order to determine the muzzle velocity (v0) therefrom.

Classes IPC  ?

• F41G 3/00 - Dispositifs de pointage

Abrégé

An apparatus is proposed for measurement of the muzzle velocity (V0) of a projectile (6) or the like, as well as a method which can be carried out using this apparatus. The apparatus comprises a weapon or launch barrel as a waveguide (1), a signal generator (4) which is electrically connected via a signal supply to at least one transmitting coupler (2) for excitation of the weapon or launch barrel (1), and a receiving line for passing on the signals measured at at least one receiving coupler (3) to an evaluation device (5). The distance between the transmitting coupler (2) and the receiving coupler or couplers (3) is variable and can be selected individually depending on the mode selection of the waveguide (1). The receiving coupler (3) should be placed with respect to the transmitting coupler (2) depending on the preferred measurement method. If the velocity is measured after the projectile (6) has passed through, the receiving coupler (3) is located between the projectile base and the transmitting coupler (2), while the receiving coupler (3) is located between the projectile nose and the transmitting coupler (2) when the velocity (V0) is measured before the projectile (6) passes through. Correspondingly, in a combination of both measurement methods, at least two receiving couplers (3) can be included, and the transmitting coupler (2) must then be placed between the two receiving couplers (3). The electromagnetic field of the empty weapon or launch barrel (1) is measured without a projectile (6), before the projectile (6), or after the projectile (6), or in combinations. The muzzle velocity (V0) is then determined from the measured signals.

Classes IPC  ?

• F41G 3/00 - Dispositifs de pointage

Abrégé

The invention proposes that the weapon barrel or the firing barrel (1), or the muzzle brake (3) be used as a waveguide which, however, is operated below the cut-off frequency of the relevant waveguide mode (TE; TM). The transmission coupler (6, 10.1, 11.1) relevant waveguide mode. An oscillator (4) generates the signal which is then passed to the transmission coupler. The waveguide and the projectile (2) form a system in which the electromagnetic field at the reception coupler (7, 10.2, 11.2) is influenced by the position of the projectile (2). The characteristic rate of change of the intensity of the electromagnetic field at the location of the reception coupler (7, 10.2, 11.2), which results from the change in the distance between the projectile (2) and the reception coupler (7, 10.2, 11.2), is measured and is used to determine the muzzle velocity (V0) .

Classes IPC  ?

• F41A 21/32 - Accessoires de bouches de canon ou freins de bouche
• F41G 3/12 - Dispositifs de pointage avec correcteurs de vitesse initiale ou de température de la poudre
• G01S 13/58 - Systèmes de détermination de la vitesse ou de la trajectoire; Systèmes de détermination du sens d'un mouvement