IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0320232
(2010-08-09)
|
등록번호 |
US-8453868
(2013-06-04)
|
국제출원번호 |
PCT/IT2010/000364
(2010-08-09)
|
§371/§102 date |
20120312
(20120312)
|
국제공개번호 |
WO2012/020435
(2012-02-16)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
3 |
초록
▼
A gas cylinder (1) internally defining a gas storage space (2) able to be closed by a stop valve (3) comprises a rigid wall (4) made from composite material having a reinforcing layer (5) containing reinforcing fibres and an inner surface (6) and a flexible sealing wall (13) connected to the rigid w
A gas cylinder (1) internally defining a gas storage space (2) able to be closed by a stop valve (3) comprises a rigid wall (4) made from composite material having a reinforcing layer (5) containing reinforcing fibres and an inner surface (6) and a flexible sealing wall (13) connected to the rigid wall (4) through a mouth (9) and suitable for adhering in pressing contact against the inner surface (6) of the rigid wall (4).
대표청구항
▼
1. Gas cylinder (1) internally defining a gas storage space (2) able to be closed by a stop valve (3), wherein said cylinder (1) comprises: a rigid wall (4) made from composite material having a reinforcing layer (5) containing reinforcing fibres and an inner surface (6) that defines an inner space
1. Gas cylinder (1) internally defining a gas storage space (2) able to be closed by a stop valve (3), wherein said cylinder (1) comprises: a rigid wall (4) made from composite material having a reinforcing layer (5) containing reinforcing fibres and an inner surface (6) that defines an inner space (7) accessible through an access opening (8) formed in the rigid wall (4),a tubular mouth (9) connected to the access opening (8) of the rigid wall (4) and configured to receive the stop valve (3) in communication with the gas storage space (2),a flexible sealing wall (13) arranged in the inner space (7) and connected to the rigid wall (4) only through the mouth (9), said flexible sealing wall (13) internally defining said gas storage space (2) and being suitable for adhering in pressing contact against the inner surface (6) of the rigid wall (4), wherein the rigid wall (4) is permeable to air so as to allow a complete expansion of the flexible wall (13) in the inner space (7) and the inner surface (6) is formed from a sliding layer (14) of the rigid wall (4) different from the reinforcing layer (5) and that allows sliding in pressing contact between the flexible sealing wall (13) and the rigid wall (4). 2. Gas cylinder (1) according to claim 1, wherein the mouth (9) comprises a cylinder connection portion (11) suitable for removably engaging a mouth connection seat (12) formed from the rigid wall (4) at the opening (8). 3. Gas cylinder (1) according to claim 1, wherein the mouth (9) comprises a cylinder connection portion (11) suitable for removably engaging a mouth connection seat (12) formed from a body (20) initially distinct and then connected with the rigid wall (4). 4. Gas cylinder (1) according to claim 1, wherein the reinforcing fibres of the reinforcing layer (5) have a tensile strength of over 4500 MPa and a modulus of elasticity of over 200 GPa and wherein said reinforcing layer (5) comprises a content of reinforcing fibres within the range from 50% vol to 70% vol, preferably from 55% vol to 65% vol, even more preferably about 60% vol. 5. Gas cylinder (1) according to claim 1, wherein said inner surface (6) is smooth and without edges or steps, with the exception of the edge of the access opening (8). 6. Gas cylinder (1) according to claim 1, wherein said sliding layer (14) comprises a thermoplastic synthetic material selected from the group comprising polyethylene, PET, polyester, polyvinylchloride, polytetrafluoroethylene. 7. Gas cylinder (1) according to claim 1, wherein said sliding layer (14) comprises a substance selected from the group consisting of: lubricant powder containing nano-particles suitable for reducing the friction coefficient between the rigid wall (4) and the flexible sealing wall (13),lubricant fluid,lubricant grease,lubricant oils,lubricant gels. 8. Gas cylinder (1) according to claim 1, wherein the sliding layer (14) is fixed to the reinforcing layer (5) by means of moulding of the sliding layer (14) and subsequent winding of the reinforcing layer (5) around the sliding layer (14). 9. Gas cylinder (1) according to claim 1, wherein the sliding layer (14) is fixed to the reinforcing layer (5) by means of blow-moulding in a mould containing said reinforcing layer (5). 10. Gas cylinder (1) according to claim 1, wherein the sliding layer (14) is fixed to the reinforcing layer (5) by means of spraying. 11. Gas cylinder (1) according to claim 1, wherein the sliding layer (14) is fixed to the reinforcing layer (5) by means of dip coating. 12. Gas cylinder (1) according to claim 1, wherein the flexible sealing wall (13) forms a deformable bag with an opening connected to the mouth (9) so as to form a sealing wall (13)—mouth (9) group that is prefabricated and able to be reversibly connected to the rigid wall (4). 13. Gas cylinder (1) according to claim 1, wherein the flexible sealing wall (13) is connected to the mouth (9) through connection means selected from the group comprising: vulcanized join,co-moulded join,gluing,mechanical join through crimping or screw clamping. 14. Gas cylinder (1) according to claim 1, wherein the mouth (9) with the flexible sealing wall (13) are irreversibly connected to such a rigid wall (4). 15. Gas cylinder (1) according to claim 1, wherein said sliding layer (14) comprises a fabric. 16. Gas cylinder (1) according to claim 1, wherein the rigid wall (4) comprises a tubular portion (15) with at least one widened first tubular section (21) and at least one second tubular section (22) adjacent to and narrower than the first tubular section (21). 17. Gas cylinder (1) according to claim 15, wherein said flexible sealing wall (13) has a shape that, in the deflated state, is incompatible with the shape of the tubular portion (15) of the rigid wall (4) and, in the inflated state, adapts to the shape of the rigid wall (4). 18. Cylinder space—gas cylinder group (32), comprising at least one gas cylinder (1) internally defining a gas storage space (2) able to be closed by a stop valve (3), wherein said gas cylinder (1) comprises: a rigid wall (4) made from composite material having a reinforcing layer (5) containing reinforcing fibres and an inner surface (6) that defines an inner space (7) accessible through an access opening (8) formed in the rigid wall (4),a tubular mouth (9) connected to the access opening (8) of the rigid wall (4) and configured to receive the stop valve (3) in communication with the gas storage space (2),a flexible sealing wall (13) arranged in the inner space (7) and connected to the rigid wall (4) only through the mouth (9), said flexible sealing wall (13) internally defining said gas storage space (2) and being suitable for adhering in pressing contact against the inner surface (6) of the rigid wall (4), wherein the rigid wall (4) is permeable to air so as to allow a complete expansion of the flexible wall (13) in the inner space (7) and the inner surface (6) is formed from a sliding layer (14) of the rigid wall (4) different from the reinforcing layer (5) and that allows sliding in pressing contact between the flexible sealing wall (13) and the rigid wall (4), said cylinder space—gas cylinder group (32) further comprising: a support and containment structure (33) able to be fixed to a bearing structure of an application and configured to at least partially receive said gas cylinders (1),one or more locking members (34) anchored to the support and containment structure (33) and suitable for at least partially wrapping around said gas cylinders (1) so as to lock them to the support and containment structure (33),wherein said locking members (34) are partially received in a circumferential seat (35) of the gas cylinder (1) formed by its narrow portion (22) and the widened portion (21) extends into a gap (36) defined by the locking member (34) and the support and containment structure (33).
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