Compressed gas tank and method for producing same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F17C-001/08
F17C-001/06
B29C-070/24
B29C-070/32
B29C-033/52
B29C-070/30
B29C-070/54
B29L-031/00
출원번호
US-0352422
(2012-09-20)
등록번호
US-9683699
(2017-06-20)
우선권정보
DE-10 2011 116 656 (2011-10-21)
국제출원번호
PCT/EP2012/003932
(2012-09-20)
국제공개번호
WO2013/056773
(2013-04-25)
발명자
/ 주소
Knoop, Andreas
출원인 / 주소
Daimler AG
대리인 / 주소
Pendorf, Stephan A.
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
A compressed gas tank (1) made from carbon fibre materials, which has a filling and removal neck, and a method for the production thereof, with the following steps: providing a meltable core, which forms an interior of the compressed gas tank (1),wrapping the core with at least one carbon fibre band
A compressed gas tank (1) made from carbon fibre materials, which has a filling and removal neck, and a method for the production thereof, with the following steps: providing a meltable core, which forms an interior of the compressed gas tank (1),wrapping the core with at least one carbon fibre bandage and impregnating the carbon fibres with a curable polymer matrix material, thereby providing a preform of the compressed gas tank (1),consolidating the polymer matrix material of the preform and obtaining the carbon fibre composite compressed gas tank (1), andliquefying the core material by melting, and removing the liquid core material from the filling and removal neck.
대표청구항▼
1. A gas tank (1) for compressed hydrogen, the tank made from carbon fibre materials, the tank having a filling and removal neck, the tank produced by a method comprising: providing a meltable core, which forms an inner shape of the compressed gas tank (1), wherein when providing the meltable core,
1. A gas tank (1) for compressed hydrogen, the tank made from carbon fibre materials, the tank having a filling and removal neck, the tank produced by a method comprising: providing a meltable core, which forms an inner shape of the compressed gas tank (1), wherein when providing the meltable core, providing a support structure made from struts or spokes (3) made from carbon fibre material in the core, wherein free ends of the struts or spokes (3) protrude beyond a surface of the core that is to be wrapped,wrapping the core including enwrapping the protruding free ends of the struts or spokes (3) with carbon fibres thereby generating at least one carbon fibre bandage, and impregnating the carbon fibres of the bandage with a curable polymer matrix material, thereby providing a preform of the compressed gas tank (1), thenconsolidating the polymer matrix material of the preform and obtaining the carbon fibre composite compressed gas tank (1), and during the consolidation, fixing the free ends in the carbon fibre composite bandage,liquefying the core material by melting, and removing the liquid core material from the filling and removal neck, andleaving the support structure (3) behind after the liquefaction and removal of the liquid core material in the compressed gas tank (1),wherein a wall (2) of the compressed gas tank (1) consists of a carbon fibre composite material layer and has an inner surface free from a liner layer, wherein the carbon fibre composite material layer is formed by the carbon fibre bandage made from wrapped carbon fibres and wherein the support structure made from struts or spokes (3) made from carbon fibre material is arranged inside the compressed gas tank (1), wherein the protruding strut or spoke ends are enwrapped into the carbon fibre bandage and are received in a polymer matrix of the carbon fibre composite material layer that forms the wall (2) of the compressed gas tank (1). 2. A gas tank (1) for compressed hydrogen, the tank made from carbon fibre materials, the tank having a filling and removal neck, the tank produced by a method comprising: providing a meltable core, which forms an inner shape of the compressed gas tank (1), wherein when providing the meltable core, providing a support structure made from struts or spokes (3) made from carbon fibre material in the core, wherein free ends of the struts or spokes (3) protrude beyond a surface of the core that is to be wrapped,wrapping the core including enwrapping the protruding free ends of the struts or spokes (3) with carbon fibres thereby generating at least one carbon fibre bandage, and impregnating the carbon fibres of the bandage with a curable polymer matrix material, thereby providing a preform of the compressed gas tank (1), thenconsolidating the polymer matrix material of the preform and obtaining the carbon fibre composite compressed gas tank (1), and during the consolidation, fixing the free ends in the carbon fibre composite bandage,liquefying the core material by melting, and removing the liquid core material from the filling and removal neck, andleaving the support structure (3) behind after the liquefaction and removal of the liquid core material in the compressed gas tank (1), wherein a wall (2) of the compressed gas tank (1) consists of a carbon fibre composite material layer and has an inner surface free from a liner layer, wherein the carbon fibre composite material layer is formed by the carbon fibre bandage made from wrapped carbon fibres and wherein the support structure made from struts or spokes (3) made from carbon fibre material is arranged inside the compressed gas tank (1), wherein the protruding strut or spoke ends are enwrapped into the carbon fibre bandage and are received in a polymer matrix of the carbon fibre composite material layer that forms the wall (2) of the compressed gas tank (1), wherein the compressed gas tank (1) is a tank (1) for compressed hydrogen. 3. A gas tank (1) for compressed hydrogen, the tank made from carbon fibre materials, the tank having a filling and removal neck, the tank produced by a method comprising: providing a meltable core, which forms an inner shape of the compressed gas tank (1), wherein when providing the meltable core, providing a support structure made from struts or spokes (3) made from carbon fibre material in the core, wherein free ends of the struts or spokes (3) protrude beyond a surface of the core that is to be wrapped,wrapping the core including enwrapping the protruding free ends of the struts or spokes (3) with carbon fibres thereby generating at least one carbon fibre bandage, and impregnating the carbon fibres of the bandage with a curable polymer matrix material, thereby providing a preform of the compressed gas tank (1), thenconsolidating the polymer matrix material of the preform and obtaining the carbon fibre composite compressed gas tank (1), and during the consolidation, fixing the free ends in the carbon fibre composite bandage,liquefying the core material by melting, and removing the liquid core material from the filling and removal neck, andleaving the support structure (3) behind after the liquefaction and removal of the liquid core material in the compressed gas tank (1), wherein a wall (2) of the compressed gas tank (1) consists of a carbon fibre composite material layer and has an inner surface free from a liner layer, wherein the carbon fibre composite material layer is formed by the carbon fibre bandage made from wrapped carbon fibres and wherein the support structure made from struts or spokes (3) made from carbon fibre material is arranged inside the compressed gas tank (1), wherein the protruding strut or spoke ends are enwrapped into the carbon fibre bandage and are received in a polymer matrix of the carbon fibre composite material layer that forms the wall (2) of the compressed gas tank (1), wherein the support structure (3) is a spoke support structure with spokes extending radially away from a central axis of the compressed gas tank (1). 4. The gas tank (1) according to claim 3, wherein the compressed gas tank (1) has a round or oval cross-sectional shape.
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