# US 12,009,590 B2 · Cover for a vehicle, in particular for a supersonic or hypersonic vehicle

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- Number: US 12,009,590 B2
- Document ID: US12009590B2
- Status: Granted
- Kind: B2
- Application number: 17/626,906
- Filed: 2020-07-10
- Published: 2022-08-18
- Granted: 2024-06-11
- Earliest claimed: 2019-07-26
- Assignees: Mbda France
- Applicants: Mbda France
- Inventors: Edouard Flavin; Guillaume Fontenas; Antoine Rosso
- Web page: https://patentgrep.com/patent/US12009590B2

## CPC

- H01Q 1/28: Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q 1/422: {comprising two or more layers of dielectric material (H01Q1/425 takes precedence)}
- B32B 3/04: characterised by {at least one} layer folded at the edge, e.g. over another layer {; characterised by at least one layer enveloping or enclosing a material}
- B32B 7/05: the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection (using interposed adhesives or bonding materials applied in spaced arrangements B32B7/14)
- B32B 9/005: {comprising one layer of ceramic material, e.g. porcelain, ceramic tile (layered products with at least two ceramic layers composed mainly of ceramic B32B18/00)}
- B32B 15/00: Layered products comprising {a layer of} metal
- B32B 15/04: comprising metal as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a bituminous or tarry layer B32B11/08; next to a water-setting substance layer B32B13/06; next to a glass layer B32B17/061; next to a cellulosic plastic layer B32B23/042)}
- B32B 15/043: {of metal (B32B15/01 takes precedence)}
- B32B 15/20: comprising aluminium or copper {(B32B15/016 and B32B15/017 take precedence)}
- B64C 1/38: Constructions adapted to reduce effects of aerodynamic or other external heating
- H01Q 1/02: Arrangements for de-icing; Arrangements for drying-out {; Arrangements for cooling; Arrangements for preventing corrosion}
- H01Q 1/27: Adaptation for use in or on movable bodies (H01Q1/08, H01Q1/12, H01Q1/18 take precedence)
- H01Q 1/42: Housings not intimately mechanically associated with radiating elements, e.g. radome
- B32B 2262/10: Inorganic fibres
- B32B 2307/212: Electromagnetic interference shielding
- B32B 2307/304: Insulating
- B32B 2307/412: Transparent
- B32B 2307/732: Dimensional properties
- B32B 2605/18: Aircraft
- B64D 45/00: Aircraft indicators or protectors not otherwise provided for
- B64G 1/58: Thermal protection, e.g. heat shields
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B64C: AEROPLANES; HELICOPTERS
- B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64G: COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR

## Abstract

The antenna (3) cover (1) for a vehicle is designed to cover at least one antenna (3) mounted on the vehicle, the cover (1) being made of composite material with a ceramic matrix reinforced by oxide fibers. The antenna cover (1) is resistant to high temperatures while not posing any sealing problem and remaining transparent to the frequencies used for the antennas (3) of the vehicle.

## Claims

### Claim 1

An antenna cover for a vehicle, the cover being intended to cover at least one antenna attached to the vehicle, wherein the cover is made of composite material with a ceramic matrix reinforced by oxide fibres,
wherein the cover has an external surface covered with at least one first metal layer except on one or more portions of the cover intended to come facing the antenna or the antennas,
wherein the cover has an internal surface covered by at least one second metal layer except on the one or more portions of the cover intended to come facing the antenna or the antennas, the second metal layer being connected to the first metal layer by a metal layer covering an edge of the cover between the external surface and the internal surface.

### Claim 2 (depends on 1)

The cover according to claim 1,
wherein the ceramic matrix of the composite material corresponds to an oxide matrix, configured to be transparent in a frequency band of electromagnetic waves used by the antenna or the antennas.

### Claim 3 (depends on 1)

The cover according to claim 1,
wherein the ceramic matrix of the composite material corresponds to a geopolymer matrix, configured to be transparent in a frequency band of electromagnetic waves used by the antenna or the antennas.

### Claim 4 (depends on 1)

The cover according to claim 1,
wherein the cover is arranged so that a spacing exists between, on the one hand, the internal surface of the cover and, on the other hand, the antenna or each of the antennas in a mounted position of the cover, the spacing comprising an air plate.

### Claim 5 (depends on 4)

The cover according to claim 4,
wherein the spacing further comprises a layer of thermal insulation covering the internal surface of the cover intended to come facing the antenna or each of the antennas and a layer of composite material with a ceramic matrix reinforced by oxide fibres covering the layer of thermal insulation, the air plate being located between, on the one hand, the antenna or each of the antennas and, on the other hand, the layer of composite material.

### Claim 6 (depends on 1)

The cover according to claim 1,
wherein the second metal layer is configured to be connected to a ground of the antenna or each of the antennas.

### Claim 7 (depends on 1)

The cover according to claim 1,
wherein the first metal layer is configured to be connected to the ground of the antenna or each of the antennas by an extension (11) through the cover.

### Claim 8 (depends on 1)

The cover according to claim 1,
further comprising a thermal protection layer (12) arranged on the internal surface of the cover.

### Claim 9 (depends on 1)

A vehicle, comprising at least one cover as specified according to claim 1.
