EP1189806A1 - Auto-respirateur subaquatique a rechargement manuel integre - Google Patents
Auto-respirateur subaquatique a rechargement manuel integreInfo
- Publication number
- EP1189806A1 EP1189806A1 EP01929760A EP01929760A EP1189806A1 EP 1189806 A1 EP1189806 A1 EP 1189806A1 EP 01929760 A EP01929760 A EP 01929760A EP 01929760 A EP01929760 A EP 01929760A EP 1189806 A1 EP1189806 A1 EP 1189806A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- self
- air
- bottle
- pump
- contained underwater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/18—Air supply
- B63C11/22—Air supply carried by diver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/18—Air supply
- B63C11/22—Air supply carried by diver
- B63C2011/2272—Pumps specially adapted for filling breathing air into tanks for compressed air, e.g. manual pumps
Definitions
- the present invention relates to an autonomous underwater breathing system comprising in particular a bottle of compressed air which incorporates its own means of recharging air using a manually driven pump.
- the diver can be supplied with compressed air either from the surface as in the case of a helmet and cable suit, or by means of a bottle of compressed air carried by the diver.
- the systems for re-inflating diving compressed air cylinders use compressors with powerful thermal or electric motors which allow the internal pressure of the cylinder to be brought to around 200 bars. This has the advantage of offering significant breathing autonomy in immersion, but has very restrictive counterparts:
- the bottle must be used within a specified period after having been re-inflated, otherwise the air quality deteriorates.
- the present invention relates to the inflation of the compressed air bottle.
- the aim being to free from the disadvantages presented above.
- the present invention provides an underwater self-breathing device of the aforementioned type. It is particularly characterized in that the bottle can be pressurized with air using an integrated manual pump. Located inside the bottle, it allows the latter to be pressurized to approximately ten bars. " ⁇ This bottle also has a charge and discharge valve. This device is fitted with a holding assembly that fits on the back of the plunger. The pressurized air from the bottle is transmitted to the diver through '' a flexible conduit and a one-stage regulator that regulates the suction pressure to the ambient water pressure.
- the underwater self-breathing device has a mass substantially equal to its volume multiplied by the density of the water in which it is immersed.
- the main advantage of the self-contained underwater respirator according to the invention lies in the fact that it makes it possible to re-inflate the bottle with compressed air without having to use a compressor.
- the diver wishing to perform a dive will pump for a few minutes to charge the bottle with compressed air at a pressure of 5 to 15 bars. It will have an autonomy of ten minutes in immersion, variable depending on the depth and its air consumption.
- the bottle will be of cylindrical shape.
- the lower end will allow, by its flared shape, to stabilize said bottle in a vertical position; the upper end will have a large circular hole which allows the pump to be inserted and fixed on it.
- Said bottle must be able to withstand the external pressure of the water as well as the internal pressure of the air.
- the pump integrated in the bottle is a high performance pump which allows an inflation power of several tens of bars to be achieved without abnormal effort.
- the pump is fixed to the upper part of the bottle using a flange. Said pump is actuated vertically using a handle.
- the pump comprises a circular plate which associates at least one pump body; said plate is positioned on the upper orifice of the bottle, the seal between the orifice and the plate is ensured by an O-ring.
- the plate is kept pressed against the orifice thanks to a circular flange screwed on the outer contour of the orifice.
- the pump is characterized in that it comprises: a primary chamber and a secondary chamber arranged geometrically parallel to each other, each chamber receiving a simultaneously mobile piston.
- Each piston is actuated by a rod itself connected to a single operating handle.
- the piston rod of the primary chamber is hollow to allow the admission of air under the piston.
- the end connected to the handle of said rod has at least one transverse orifice in order to allow the admission of air into the hollow rod.
- the longitudinal positioning on the rod of said orifice is substantially at or below the gasket when the pump is in the locked position to prevent water from entering this hole during diving, so the pump must be locked before immersion.
- the two chambers communicate at their upper ends by one or more orifices or channels in order to allow the transfer of air from the primary chamber to the secondary chamber.
- the secondary chamber has a lower orifice fitted with a non-return valve allowing the injection of air into the bottle.
- the movable piston in the primary chamber is oriented so as to allow admission into this primary chamber and its discharge into the secondary chamber, while the movable piston in the chamber secondary is oriented to allow the admission of air from the primary chamber and its discharge into the bottle through the non-return valve.
- the handle which connects and makes it possible to simultaneously actuate the two rods of the pistons must make it possible, on the one hand to inflate the bottle with two hands and on the other hand to comfortably carry the bottle.
- a locking system allows the handle to be locked in the low position.
- the double body pump system improves the ratio between the number of pump strokes and the forces to be exerted on the handle compared to a single body pump.
- a single-body pump will be used, provided with a seal between the cover of the bottle and the piston rod.
- the air intake will be based on the same principle of hollow rod but the lower orifice of which should open out above the piston.
- the self-contained underwater respirator will include a depth clamping system which will reduce the air flow from the regulator from a determined depth.
- the self-contained underwater respirator will be equipped with a waterproof manometer making it possible to follow the variation in air pressure in the bottle both during immersion and during inflation.
- This pressure gauge is either fixed on the bottle or is detachably connected to the charge and discharge valve via a flexible cord.
- This pressure gauge informs the diver of the remaining air autonomy which allows him to anticipate the moment of his ascent to the surface.
- the self-contained underwater respirator is equipped with a regulator making it possible to deliver to the diver a breathing air pressure substantially equal to the ambient pressure of the water while the pressure inside of the bottle varies during the dive from ten bars to 1 bar.
- This regulator is also of the standard second stage type which is used on traditional diving tanks in addition to a first stage regulator.
- the low internal pressure of the bottle does not justify the use of a first stage regulator, the regulator is connected directly to the compressed air bottle with a quick connector and a flexible hose.
- the internal pressure of the bottle is substantially equal to the ambient pressure of the water, breathing becomes more difficult, which indicates to the diver that he must return to the surface.
- the self-contained underwater respirator comprises a back support assembly of the “braces” type consisting on the one hand of two straps fixed at the two ends of the bottle ensuring the vertical maintenance thereof on the back of the diver and on the other hand a ventral strap "belt” allowing the horizontal stability of the bottle.
- the compressed air bottle is fixed on a vest used to hold on the back of the plunger. Said vest consists of one or more inflatable pockets allowing to act on the buoyancy of the diver.
- the compressed air bottle comprises a support foot allowing the stabilization of said bottle during inflation.
- the diver can thus by placing his feet on these appendages keep the bottle pressed to the ground.
- these appendages are either folded inside a support so as not to hinder the diver in his movements, or folded along the bottle.
- Figure 1 is a schematic view of the main elements constituting the self-inflating self-breathing.
- Figure 2 is a sectional view of the double body pump placed inside the bottle.
- Figure 3 is a sectional view of the single-body pump placed inside the bottle.
- Figure 4 is a schematic sectional view of the self-ventilator provided with an alternative embodiment of the double body pump.
- FIGS. 5A to 5D illustrate different stages of operation of the pump illustrated in FIG. 5, in a first operating mode of the pump.
- FIGS. 6A to 6D illustrate different stages of operation of the pump of FIG. 5, in a second operating mode of the pump.
- the self-contained underwater respirator comprising a bottle (1) of compressed air, at the top of which is connected, using a quick connector (9) , an air supply pipe (10), at the end of which is connected the regulator (12) placed in the mouth by the plunger at the time of immersion.
- bottle is meant any form of pressurized air tank " intended to be carried underwater by the diver during his dive.
- a charge and discharge valve (8) is attached to the top of the bottle.
- a support foot consisting of a support (27) inside which are two telescopic or folding appendages (13), (14), this in order to give the bottle greater stability in the vertical position when reloading the cylinder with air with the pump.
- two vertical straps 32a, 32b which form a carrying system allowing the diver to carry the bottle on the back during the dive.
- the pump comprises two parallel bodies (18) and (19) of equal lengths arranged side by side. These bodies are obstructed in the upper part by an upper plate (5) which also constitutes the stopper of the bottle.
- the lower end of the primary pump body (18) is completely obstructed while that of the secondary pump body (19) has a lower air injection port provided with a non-return valve (20).
- the two pump bodies (18), (19) are thus secured to the bottle (1) by means of the plate (5).
- the pump body (18) constitutes a primary chamber CP, while the pump body (19) constitutes a secondary chamber CS, the two chambers can have different sections.
- the primary chamber CP receives a piston generally indicated at (17) of the cup type comprising a deformable lip (17a) which is fitted at the end of a piston-carrying rod (4) passing through the upper plate (5).
- a seal (23) and a guide ring (21) are housed in the upper plate (5) to seal and guide it between the latter and the piston-carrying rod (4).
- the secondary chamber CS also receives a piston (16) with a cup comprising a deformable lip (16 a) which is fixed at the end of a piston-carrying rod (3) passing through the upper plate (5), a seal (22) as well as 'a guide ring (21) are housed in the upper plate (5) for sealing and guiding between the latter and the piston holder rod (3).
- the pistons (16) and (17) are substantially at the same level inside each of the chambers, so that they are both together at a low point or at a high point, but the lips (16a) and (17a) cups are oriented in opposition; more precisely the lip (17a) of the piston (17) of the primary chamber CP is directed upwards, that is to say, towards the plate (5), while the lip (16a) of the piston (16 ) of the secondary chamber CS is directed downwards, that is to say towards the bottom of the body (19).
- the two chambers CP and CS are in communication in the upper part for example by means of a channel (24), while in the lower part the chamber CS is in communication with the interior of the bottle by a lower orifice (20) fitted with a non-return valve.
- the rod (4) which carries the piston of the primary chamber is hollow over its entire length, its lower orifice opens out under the piston (17) while its end upper is blocked. In this way, the two chambers (CP, CS) are arranged functionally in series.
- the air intake takes place through a transverse orifice (26) which is positioned at or below the seal when the pump is locked in the low position, but above the seal when the rod ( 4) is moved upwards, so as to put the primary chamber in communication with the atmosphere.
- the plate (5) is pressed against the orifice of the bottle (1) by means of a circular flange (6) screwed on the external contour of the orifice, the seal between the orifice and the plate (5) is ensured by an O-ring (25).
- the cups (16a, 17a) of the two pistons (16, 17) therefore divide the interior of the pump body into three compartments whose respective volumes vary depending on the position of the pistons.
- the first compartment is the one (forming an outlet cavity) delimited below the cup (17a) in the primary chamber (CP).
- the second compartment includes the upper portions (or transfer cavities) of the primary and secondary chambers, that is to say those located above the corresponding cups (16a, 17a). These two portions are in fact connected by the channel (24) so as to form a single compartment in which the pressure is always uniform.
- the third compartment is the one located below the cup (16a) of the secondary chamber (CS) (and forming an outlet cavity for the secondary chamber).
- the volume of the second compartment increases.
- the air previously included in the first compartment may, due to the orientation of the lip of the cup (17a), be transferred to the second compartment.
- the outside air can also be admitted into the second compartment during this phase, the outside air passing through the hollow shaft (4), by the first compartment and by the cup (17a).
- the volume of the third compartment decreases, which performs a second stage of compression of the air contained in this third compartment.
- a limit pressure which is a function of the pressure in the bottle and the setting of the non-return valve, the pressurized air is evacuated, without possibility of return, towards the inside of the bottle through the lower opening (20).
- the double piston construction therefore allows compression to be carried out in two stages.
- the compression ratio of the first stage can be modified by modifying the respective volumes of the primary and secondary chambers.
- a secondary chamber of smaller diameter than the primary chamber a higher compression ratio is obtained for the first compression stage.
- the pumping system with double compression stage which is used here is particularly advantageous because it makes it possible to reduce the time necessary for refilling the bottle.
- a pumping system with multiple compression stages can be provided, comprising for example a pump provided with as many successive bodies as desired compression stages.
- the pump comprises a single body (37) obstructed in the upper part by a plate (29) which also constitutes the stopper of the bottle.
- the lower end of the pump body (37) is obstructed but has an air injection orifice provided with a non-return valve (36).
- the pump body (37) receives a piston (34) of the cup type comprising a deformable lip (34a) which is fitted at the end of a piston-carrying rod (31) passing through the plate (29).
- a seal (33) and a guide ring (32) are housed in the plate (29) to seal and guide it between the latter and the piston-carrying rod.
- the deformable lip (34a) of the piston (34) is directed towards the bottom of the pump body in order to be able to push the air in this direction.
- the aforementioned piston-carrying rod (31) is beyond the plate (29) coupled to a single operating handle (2).
- the rod (31) is hollow over its entire length, its lower orifice (27) is transverse to the rod and opens just above the piston (34) while its upper end is blocked.
- the air intake takes place through a transverse orifice (28) substantially positioned below the seal when the pump is locked in the low position.
- outside air is admitted into the upper portion of the pump body when the piston (34) is brought from its high position to its low position. It is then transferred to the lower portion of the pump body, by crossing the cup (34a), when the piston (34) is brought from its low position to its high position.
- the piston is again brought to its lower position, the air contained in the lower portion is compressed, and, beyond a limit pressure, it is transferred to the interior of the bottle.
- This embodiment of the pumping system offers only one pumping stage, but it offers the advantage of being very simple and very inexpensive.
- the auto-respirator according to the invention comprises an improved pumping system. Indeed, like the embodiment of Figure 2, it is a two-body pumping system capable of performing two-stage compression. However, the embodiment of Figure 2 has only one outlet cavity (that is to say a cavity in which the air undergoes a final compression before being expelled to the tank) while in this third mode.
- the pumping system comprises two outlet cavities which can be activated simultaneously or one of which can be deactivated.
- the pump comprises two cylindrical primary (CP) and secondary (CS) chambers arranged geometrically parallel to each other, each chamber receiving a piston (46, 48) mounted at the end of a rod (42, 44) movable axially, the two rods being actuated by a common handle (40).
- CP primary
- CS secondary
- the mounting of the pump bodies inside the bottle is identical to that described above.
- each chamber thus comprises an air outlet cavity (50, 52) which, in the exemplary embodiment, consists of the lower portion of each of the two chambers and which comprises an air outlet orifice (54, 56 ) opening into the bottle.
- Each outlet orifice (54, 56) is associated with a non-return system (58, 60), such as a valve, allowing the passage of air only from the corresponding outlet cavity towards the interior of the bottle.
- each of the two chambers in this case the upper portions, constitutes a transfer cavity (62, 64).
- the two transfer cavities are connected to each other, as before, by a connecting channel (66) to form a transfer compartment similar to the second compartment of the embodiment of Figure 2.
- the transfer compartment has an air intake inlet (65) which is made through a non-return valve (67). This air inlet (65) opens for example in the connecting channel (66).
- the outlet cavity (50) of the primary chamber (CP) is connected to a duct (68) which allows the admission of air into the outlet cavity (50), through a non-return valve (70 ) preventing air from coming out.
- This conduit also comprises, between the valve (70) and the outlet cavity (50), a bypass (72) which is provided with a shut-off valve (74) and which allows, when the shut-off valve ( 74) is open, put the outlet cavity (50) in permanently in communication with the atmosphere. In this configuration, the outlet cavity (50) of the primary chamber (CP) becomes inoperative.
- the non-return valves (67, 70) which allow the admission of air into the transfer compartment and into the outlet cavity (50) of the primary chamber (CP) are connected to the atmosphere by a cut-off valve.
- common (80) which makes it possible to isolate them from the water during the dive, thus preventing water from being able to enter the pump bodies. This valve (80) must be opened when the pump is used to refill the bottle.
- the transfer cavity 64 of the secondary chamber is connected to the outlet cavity (52) of this same chamber by a transfer tube (76) in which is interposed a non-return valve (78) not allowing passage air only from the transfer compartment to the outlet cavity (52).
- This tubing (76) with non-return valve, associated with the sealed piston (48), fulfills the same role as the cup piston (16a) of the embodiment of FIG. 2.
- FIGS. 5 A to 5D the operation of the pumping system of the self-breathing device of FIG. 5 has been illustrated according to a first operating mode in which the shut-off valve (74) is closed.
- the outlet cavity of the primary chamber is active and it can be noted that it operates independently of the other parts of the pump.
- the piston (46) rises from its low position to its high position, the outlet cavity (50) of the primary chamber fills with air at atmospheric pressure through the valve (70).
- the piston (46) moves in the other direction, the compressed air in the outlet cavity (50) cannot escape through the duct (68) which is closed, and the air is therefore expelled towards the inside the bottle through the valve (58) and the outlet (54).
- the secondary chamber has a volume which is substantially half that of the primary chamber, so that the air which has just been transferred to the outlet cavity (52) is under pressure absolute of almost 3 bars, thus achieving a first compression stage.
- the piston (48) descends downward, this air is further compressed in the outlet cavity (52) before being expelled towards the interior of the bottle.
- the pump expels at each round trip of the pistons an amount of air which corresponds, at atmospheric pressure, to a volume which is close to 2.5 times the volume of the primary chamber.
- shut-off valve (74) It is then possible to open the shut-off valve (74) and be in an operating mode of the pump in which the outlet cavity (50) of the primary chamber (CP) is inactivated. It therefore no longer offers resistance to the downward movement of the piston, so that the force to be overcome (when the pistons descend) is then only that corresponding to the compression of the air in the outlet cavity of the secondary chamber (CS), which has a smaller section.
- the transfer compartment and the outlet cavity (52) of the secondary chamber continue to operate as described above.
- This operating mode makes it possible to transfer approximately 1.5 times the volume of the primary chamber each time the pistons are returned, and, above all, it makes it possible to reach pressures in the reservoir of nearly twenty bars.
- this second operating mode is almost identical to that described in relation to the embodiment of FIG. 2, with the only difference that the air which is admitted into the transfer compartment is no longer through the intermediary from the outlet cavity of the primary chamber, but via the air inlet (65).
- FIGS. 2 and 4 are therefore particularly well suited for filling an air tank intended for the practice of scuba diving, including a tank intended to remain on the surface of the water as in the case of "hookah" type devices. Indeed, they allow (thanks to the two bodies) to recharge the tank between two dives in a very short time and at the cost of a moderate effort. In addition, they make it possible to obtain a sufficiently high pressure in the tank (thanks to the two compression stages) to store in the tank a large amount of air, allowing the diver to stay longer underwater.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Engineering & Computer Science (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Catching Or Destruction (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Toys (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Telephone Function (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0005737 | 2000-05-04 | ||
FR0005737A FR2808500B1 (fr) | 2000-05-04 | 2000-05-04 | Autorespirateur subaquatique a rechargement manuel integre |
PCT/FR2001/001328 WO2001083293A1 (fr) | 2000-05-04 | 2001-04-27 | Auto-respirateur subaquatique a rechargement manuel integre |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1189806A1 true EP1189806A1 (fr) | 2002-03-27 |
EP1189806B1 EP1189806B1 (fr) | 2005-04-20 |
Family
ID=8849912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01929760A Expired - Lifetime EP1189806B1 (fr) | 2000-05-04 | 2001-04-27 | Auto-respirateur subaquatique a rechargement manuel integre |
Country Status (7)
Country | Link |
---|---|
US (1) | US20020134387A1 (fr) |
EP (1) | EP1189806B1 (fr) |
AT (1) | ATE293563T1 (fr) |
AU (1) | AU5644601A (fr) |
DE (1) | DE60110173D1 (fr) |
FR (1) | FR2808500B1 (fr) |
WO (1) | WO2001083293A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111076081A (zh) * | 2019-12-25 | 2020-04-28 | 特佳星能源科技有限公司 | 防残留负压储氢装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1207100A1 (fr) * | 2000-11-13 | 2002-05-22 | Salomon S.A. | Bloc de plongée autonome avec pompe à action humaine intégrée |
CN102865978B (zh) * | 2011-07-07 | 2015-12-09 | 中国人民解放军海军医学研究所 | 一种潜水呼吸器控制阀测试装置 |
USD802293S1 (en) | 2016-01-13 | 2017-11-14 | Dgm Creations Llc | Hydration sleeve |
CN207390003U (zh) | 2016-01-14 | 2018-05-22 | Dgm创意有限责任公司 | 水合套筒、可穿戴水合装置、水合系统和一次性水合囊 |
USD822952S1 (en) | 2016-08-29 | 2018-07-17 | Dgm Creations Llc | Garment with integrated hydration system |
USD809285S1 (en) | 2016-08-29 | 2018-02-06 | Dgm Creations Llc | Disposable hydration bladder |
USD802294S1 (en) | 2016-08-29 | 2017-11-14 | Dgm Creations Llc | Hydration sleeve |
US11364981B2 (en) | 2018-10-09 | 2022-06-21 | Alireza Payravi | Underwater breathing and motion apparatus |
US11787519B2 (en) * | 2020-09-17 | 2023-10-17 | Zachary William Rupp | Underwater breathing device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE191244C (fr) * | ||||
US1157655A (en) * | 1913-04-16 | 1915-10-19 | Life Saving Devices Company | Resuscitating appliance. |
BE461591A (fr) * | 1944-03-16 | |||
FR918008A (fr) * | 1945-11-27 | 1947-01-28 | Appareil respiratoire pour nageurs explorant les fonds sous-marins | |
US2906263A (en) * | 1958-09-05 | 1959-09-29 | Stanley Axelrod | Swimming and diving aid |
DE2532533A1 (de) * | 1975-07-21 | 1977-02-10 | Dieter Meinhardt | Kurzzeit-tauchgeraet |
FR2432104A1 (fr) * | 1978-07-28 | 1980-02-22 | Poutrait Morin Ets | Pompe a main a deux etages |
DE4341910A1 (de) * | 1993-12-06 | 1994-05-26 | Dieter Markfort | Leichttauchgerät |
-
2000
- 2000-05-04 FR FR0005737A patent/FR2808500B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-27 WO PCT/FR2001/001328 patent/WO2001083293A1/fr active IP Right Grant
- 2001-04-27 AT AT01929760T patent/ATE293563T1/de not_active IP Right Cessation
- 2001-04-27 US US09/926,753 patent/US20020134387A1/en not_active Abandoned
- 2001-04-27 EP EP01929760A patent/EP1189806B1/fr not_active Expired - Lifetime
- 2001-04-27 DE DE60110173T patent/DE60110173D1/de not_active Expired - Fee Related
- 2001-04-27 AU AU56446/01A patent/AU5644601A/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0183293A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111076081A (zh) * | 2019-12-25 | 2020-04-28 | 特佳星能源科技有限公司 | 防残留负压储氢装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2808500B1 (fr) | 2002-08-16 |
FR2808500A1 (fr) | 2001-11-09 |
DE60110173D1 (de) | 2005-05-25 |
WO2001083293A1 (fr) | 2001-11-08 |
US20020134387A1 (en) | 2002-09-26 |
ATE293563T1 (de) | 2005-05-15 |
AU5644601A (en) | 2001-11-12 |
EP1189806B1 (fr) | 2005-04-20 |
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