EP0822369B1 - Gasverteilungssystem - Google Patents
Gasverteilungssystem Download PDFInfo
- Publication number
- EP0822369B1 EP0822369B1 EP97401858A EP97401858A EP0822369B1 EP 0822369 B1 EP0822369 B1 EP 0822369B1 EP 97401858 A EP97401858 A EP 97401858A EP 97401858 A EP97401858 A EP 97401858A EP 0822369 B1 EP0822369 B1 EP 0822369B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- distribution system
- valve box
- cam
- gas according
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
- F17C13/045—Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/041—Methods for emptying or filling vessel by vessel
- F17C2227/042—Methods for emptying or filling vessel by vessel with change-over from one vessel to another
Definitions
- the present invention relates to a distribution installation of gas in particular gas under high pressure greater than 20 bars, for example, 20 to 300 bars such as oxygen or nitrogen, helium, argon.
- Compressed gas distribution installations are known in bottles in which two bottles each supply a regulator, which are connected to a device for selecting the dispensing bottle comprising a complex system of linkages, bulky and requiring many fittings. It is also known installations of distribution of gas of the same type, with reference to patent NL 111 207 C, having a device comprising automatic reversers used only for domestic use, at maximum outlet pressure bottles not exceeding 20 bars.
- the object of the invention is to propose a source reversing system distribution of gas under high pressure greater than 20 bar, having the advantage of being simple, compact and inexpensive.
- the gas distribution installation under a pressure higher than 20 bars including two sources of gas under pressure connected by respective valves to an inverter system automatic is characterized in that it comprises an inverter body provided with an outlet and an inlet for each of the supply valves communicating each by a central well plugged at one end, with a valve box fixed by the other end in each well and forming a chamber closable by a valve held in abutment by means elastic on a seat formed in the valve box, a push element controlled by a cam that rotates between two positions, to act, depending on the position, by a finger on one of the two valves and the contact between the cam and the pusher is provided by a rolling element.
- valve and the pusher have a shape sparing, between the internal walls of the valve box and themselves, fluid flow spaces.
- valve box is cylindrical
- valves and pushers have a square or polygonal section.
- each valve box is made up a cylindrical part, the inside of the valve box being pierced with a first hole leading to a larger diameter hole with a smaller hole which forms, in the larger diameter hole, the seat lips for the filled valve, the pusher being formed by a rod integral with a main body, the end of the rod and the main body of the pusher passing through the first hole and the hole in the seat.
- valve box has a square section, or polygonal the valves and pushers are of cylindrical section.
- the cam is integral with a rod inversion pivotally mounted in a central well of the reverser body, said central well being located between the two wells of the valve boxes, said cam being permanently requested to bear on the pushers by means elastic bands exerting significant force to obtain pressure outlet greater than or equal to 2 bars, the elastic means acting on the cam via a rotating assembly of two rings.
- the rolling element ensuring contact between the cam and the pusher consists of a holding ball housed in a blind hole located at the end of the pusher which is adjacent to the cam.
- a canvas rubber membrane is pinched between the two rings constituting the rotating assembly and tightened by a nut on the cam.
- a stainless steel membrane is pinched between the two rings constituting the rotating assembly and tightened by a nut on the cam.
- the outer edges of the membrane are clamped between a shoulder of the reverser body and a threaded ring on an external part to screw into the threaded hole of the reverser body which leads to the shoulder.
- means are provided for the other end of the ring to maintain the elastic means.
- the wells of the inverter body are plugged at their first end by screw caps, a system sealing being provided between each plug and each well.
- the elastic means which hold the valve packed on the seat in the valve box consist of a spring housed in a recess formed under the cap.
- a sealing system is arranged between each valve box and each respective well of the box in the reverser body.
- the sealing system disposed between each valve box and each respective well of the box in the body of shock absorber consists of an O-ring seal housed in a groove formed on the valve box.
- the invention consists of a reversing device for installation of distribution of compressed gas at pressures above 20 bar per example from 20 to 300 bars.
- Such an installation has on each side a valve (26a, 26b) allowing by handles (42a, 42b) to order a valve (43a, 43b) which makes it possible to deliver the gas arriving through the respective connection (30a, 30b) of the compressed gas bottle to a outlet pipe (24a, 24b).
- Each outlet pipe (24a, 24b) of the valve is connected by a thread (23a, 23b) to the inputs of the inverter (1).
- the reverser comprises a reverser body (1) provided with two arrivals formed by the threaded holes (101, 102) in which screw the valve outlet fittings (23a, 23b). These holes (101, 102) threaded lead each by an orifice in a shaft well (104, 103) perpendicular to the respective entry hole (101, 102). These wells (103, 104) are provided, on either side of the calibrated communication orifices with entry holes (101, 102), upper threads (1042, 1032) respectively lower (1031, 1041).
- the lower thread (1041, 1031) allows to screw a plug (4a, 4b) provided near its cap with a groove in which is placed a seal (80a, 80b).
- Cap (4) is also provided, at the opposite end of its cap, with a recess (41) in which a spring (5) is arranged.
- Each spring (5a, 5b) pushes a packed valve (6a, 6b) towards the seat (77) formed in the box respective valves (7a, 7b).
- the valve box consists of one piece cylindrical (7) comprising, at a certain distance from its cap (74), a thread (72) which opens onto a groove (73) in the direction of the cap (74).
- the inside of the cylindrical part is drilled with a first hole (75) leading to a larger diameter bore (78) through a larger orifice restricted (76) which on the other side forms the lips (77) of a seat.
- the lips of the seat open into the larger hole (78) of the part cylindrical.
- an O-ring seal (8a, 8b) In the groove (73) is arranged, in each valve box (7a, 7b), an O-ring seal (8a, 8b).
- a pusher (9) In the hole (75) and the hole of the seat (76) pass the end of a rod (90) and the main body (91) a pusher (9), the main body (91) of which is of rounded square section at the corners to slide in the cylindrical bore (75).
- This section square (91) ends at the end opposite the rod (90) with a hole blind (92) in which is arranged a ball (93) which is crimped in the drilling by folding the lips of the housing so that the ball after crimping can rotate freely.
- the ball is in contact with one of the planar surfaces (342, 343) of a cam (34) mounted integral with a rod inversion (3).
- the cam (34) has on a face a first portion of flat surface (342) further from the opposite side than the second flat surface portion (343) which corresponds to an angular sector greater than 180 °.
- the two surfaces (341, 343) are connected to each other by an inclined plane of the order of 30 ° on each side.
- the reversing rod is integral with the treated steel cam, for example, by brazing the cam, on a shoulder of the cylindrical part (31) of the rod with a larger diameter important that the end (33) of the rod (3).
- the rod (3) also includes a groove (32) in which is placed an O-ring (12) ensuring sealing with two washers (10a, 10b) for clamping the diaphragm rubberized canvas.
- This rod (3) extends, at the end opposite to the cam, by a part of square section (35) allowing the fixing of a operating button (20).
- the end (33) of the opposite reversing rod with the button (20) enters the borehole of a central well (107) formed in the center of the reverser body (1).
- first washer (10a) On the face of the cam opposite the cam surfaces (342, 343) supports a first washer (10a) having an L-shaped section to form a shoulder above the cam on which a membrane is placed (11) pierced with a hole for passage of the rod (3).
- This membrane in cloth rubber (11) is pinched between the first washer (10a) and a second washer (10b) held tight on the first washer (10a) by a nut (10c) screwing onto a thread formed at the upper end of the first washer (10a) opposite the shoulder.
- the second washer (10b) larger in diameter than the first also serves as a seat for a spring (13) the other end of which rests on a part (14) which abuts on means for locking the end of the spring.
- These blocking means consist of a part (15) held by a thread in a ring (2).
- the parts (17A, 17B) limiting the travel of the operating button (20) are fixed on a part (16) held by screws (19) on the ring cylindrical (2) provided at the end opposite the screws with a thread (200) intended to be fixed on the threaded part of a hole leading to a shoulder (106) formed in the body of the reverser (1).
- valve packing no longer presses on the valve seat.
- the gas under pressure passes through the bore (76) of the seat (77), the spaces formed between the cylindrical walls (75, 78) of the valve box and the sides rectilinear filled valves (6) and pushers (9) to exit through the outlet (105).
- the spring (13) is calibrated so that, during the commissioning of a bottle, the pressure on the ball in contact with the part (342) most thick of the cam is sufficient to allow a flow of gas to the line (105) with gas outlet pressure in the line (105) greater than or equal to 2 bars.
- the spring force is no longer compensated by the pressure on the membrane (11) and the left pusher (9a) corresponding to the bottle in service is pushed deeper to increase the gas passage between the seat (77) and the trimmed valve (6a) of the reverser. This occurs until the other part (341) of the thickness cam weaker comes into contact with the ball (93) integral with the second pusher (9b) from the right feed channel.
- the cam opens, by through the pusher (9b), the valve (6b) of the track (b).
- This last step therefore puts the second bottle into communication with the device inverter (1).
- the user can then close the valve on the first bottle.
- it purges the left circuit using the handle purge (44a) which allows the purge valve (45a) to be moved from its seat to allow the left circuit to be vented so as to facilitate replacement of the first bottle.
- the user closes the circuit purge and replace the bottle.
- the user switches using the operating button (20) the position of the cam (34) so that the thickest part (342) of the cam (34) comes to bear on the ball (93) of the pusher (9b) of the right lane.
- the valve (43a) of the valve on the left channel is finally opened so that the bottle is ready to act as soon as the bottle in the right lane reaches insufficient pressure.
- the structure of the reverser in which the pusher (9a, 9b) is a separate part of the valve (6a, 6b), which pusher (9a, 9b) slides and is guided in the valve box (7a, 7b), contributes to the adaptation of the device at high pressures.
- seals made with O-rings arranged in grooves can be replaced by any other sealing system satisfying the conditions of use without departing from the spirit of the invention.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanically-Actuated Valves (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Sampling And Sample Adjustment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Inorganic Fibers (AREA)
Claims (15)
- Anlage zum Verteilen von Gas unter einem Druck von mehr als 20 Bar, welche zwei Quellen von Gas unter Druck aufweist, welche durch Ventile (26a bzw. 26b) mit einem automatischen Umschaltersystem verbunden sind, dadurch gekennzeichnet, daß sie einen Umschalterkörper (1) aufweist, welcher mit einem Ausgang (105) und einem Zulauf (101, 102) für jedes der Versorgungsventile (26b, 26a) aufweist, die jeweils durch eine zentrale Leitung (103 bzw. 104), welche an einem ersten Ende verschlossen ist, mit einem Ventilgehäuse (7a bzw. 7b) in Verbindung stehen, welcher an dem zweiten Ende der Leitung befestigt ist, wobei jedes Ventilgehäuse (7a, 7b) eine Kammer bildet, die durch ein überzogenes Ventilelement (6a bzw. 6b) verschließbar ist, welches durch elastische Mittel (5a, 5b) an einem Sitz (77) in Anlage gehalten wird, welcher in dem Ventilgehäuse (7) ausgebildet ist, wobei ein von dem Ventilelement (6a, 6b) getrenntes Stößelelement (9a, 9b), welches in dem Ventilgehäuse (7a, 7b) gleitet, von einer Nocke (34) gesteuert wird, welche sich zwischen zwei Positionen dreht, um je nach ihrer Position durch einen Finger auf eines der Ventilelemente (6a, 6b) zu wirken, um das Ventilelement derart einzudrücken, daß der Sitz (77) freigegeben wird, wobei der Kontakt zwischen der Nocke (34) und dem Stößel (9a, 9b) durch ein Rollelement (93) gewährleistet ist.
- Anlage zum Verteilen von Gas nach Anspruch 1, dadurch gekennzeichnet, daß das Ventilelement (6a, 6b) und der Stößel (9a, 9b) eine Form haben, welche zwischen den Innenwänden des Ventilgehäuses (7a, 7b) und ihnen selbst Räume zum Abfließen von Fluids vorsieht.
- Anlage zum Verteilen von Gas nach Anspruch 2, dadurch gekennzeichnet, daß das Ventilgehäuse (7a, 7b) zylindrisch ist und die Ventilelemente (6a, 6b) und die Stößel (9a, 9b) einen quadratischen oder polygonalen Querschnitt haben.
- Anlage zum Verteilen von Gas nach Anspruch 3, dadurch gekennzeichnet, daß jedes Ventilgehäuse (7a, 7b) aus einem zylindrischen Teil besteht, wobei das Innere des Ventilgehäuses (7a, 7b) von einem ersten Loch (75) durchsetzt ist, welches an einer Bohrung (78) mit größerem Durchmesser durch eine verengtere Öffnung (76) mündet, welche die Zapfen des Sitzes (77) für das überzogene Ventilelement (6a, 6b) in der Bohrung (78) mit größerem Durchmesser bildet.
- Anlage zum Verteilen von Gas nach Anspruch 2, dadurch gekennzeichnet, daß das Ventilgehäuse (7a, 7b) einen quadratischen oder polygonalen Querschnitt hat und die Ventilelement (6a, 6b) und die Stößel (9a, 9b) einen zylindrischen Querschnitt haben.
- Anlage zum Verteilen von Gas nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Nocke (34) mit einem Umschaltstift (3) fest verbunden ist, welcher schwenkbar in einer zentralen Leitung (107) des Umschalterkörpers (1) angebracht ist, wobei die zentrale Leitung (107) zwischen den beiden Leitungen (103, 104) der Ventilgehäuse (7a, 7b) liegt, wobei die Nocke (34) ständig durch elastische Mittel (13) in Anlage an die Stößel (9a, 9b) beaufschlagt wird, welche eine starke Kraft ausüben, mit welcher ein Ausgangsdruck von größer oder gleich 2 Bar erhalten werden kann, wobei die elastischen Mittel (13) auf die Nocke über eine Dreheinheit von zwei Ringen (10a, 10b) wirkt.
- Anlage zum Verteilen von Gas nach Anspruch 6, dadurch gekennzeichnet, daß das Rollelement, welches den Kontakt zwischen der Nocke (34) und dem Stößel (9a, 9b) gewährleistet, aus einer Haltekugel (93) besteht, welche in einem Blindloch (92) aufgenommen ist, welches an dem Ende des Stößels (9a, 9b) liegt, welches an die Nocke (34) angrenzt.
- Anlage zum Verteilen von Gas nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß eine Membran (11) aus Gummi mit Gewebe zwischen die beiden Ringe (10a, 10b) geklemmt ist, welche die Dreheinheit bilden, und durch eine Mutter (10c) an der Nocke (34) eingespannt ist.
- Anlage zum Verteilen von Gas nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß eine Membran (11) aus rostfreiem Stahl zwischen die beiden Ringe (10a, 10b) geklemmt ist, welche die Dreheinheit bilden, und durch eine Mutter (10c) an der Nocke (34) eingespannt ist.
- Anlage zum Verteilen von Gas nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die äußeren Ränder der Membran (11) zwischen einer Schulter (106) des Umschalterkörpers (1) und einem mit einem Gewinde versehenen Ring (2) an einem äußeren Teil eingespannt sind, um in dem mit einem Gewinde versehenen Loch des Umschalterkörpers verschraubt zu werden, welches an der Schulter (106) mündet.
- Anlage zum Verteilen von Gas nach Anspruch 10, dadurch gekennzeichnet, daß am anderen Ende des Rings (2) Mittel (14, 15) vorgesehen sind, um die elastischen Mittel (13) zu halten.
- Anlage zum Verteilen von Gas nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Leitungen (103, 104) des Umschalterkörpers an ihrem ersten Ende durch verschraubte Stopfen (4a, 4b) verstopft sind, wobei ein Dichtungssystem (80a, 80b) zwischen jedem Stopfen (4a, 4b) und jeder Leitung (103, 104) vorgesehen ist.
- Anlage zum Verteilen von Gas nach Anspruch 12, dadurch gekennzeichnet, daß die elastischen Mittel (5a, 5b), welche das überzogene Ventilelement (6a, 6b) an dem Sitz (77) in dem Ventilgehäuse (7a, 7b) halten, aus einer Feder bestehen, welche in einer geschlossenen Ausnehmung (41) in dem Stopfen (4a, 4b) aufgenommen ist.
- Anlage zum Verteilen von Gas nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Dichtungssystem (8a, 8b) zwischen jedem Ventilgehäuse (7a, 7b) und jeder Leitung (103, 104) des Gehäuses (7a, 7b) in dem Körper (1) des Umschalters vorgesehen ist.
- Anlage zum Verteilen von Gas nach Anspruch 14, dadurch gekennzeichnet, daß das zwischen jedem Ventilgehäuse (7a, 7b) und jeder Leitung des Gehäuses in dem Dämpferkörper angeordnete Dichtungssystem aus einer wulstförmigen Dichtung (8a, 8b) besteht, welche in einer geschlossenen Kehle (73) an dem Ventilgehäuse (7a, 7b) aufgenommen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9609751 | 1996-08-01 | ||
| FR9609751A FR2752038B1 (fr) | 1996-08-01 | 1996-08-01 | Installation de distribution de gaz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0822369A1 EP0822369A1 (de) | 1998-02-04 |
| EP0822369B1 true EP0822369B1 (de) | 2004-01-21 |
Family
ID=9494749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97401858A Expired - Lifetime EP0822369B1 (de) | 1996-08-01 | 1997-08-01 | Gasverteilungssystem |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0822369B1 (de) |
| AT (1) | ATE258291T1 (de) |
| DE (1) | DE69727269D1 (de) |
| ES (1) | ES2214598T3 (de) |
| FR (1) | FR2752038B1 (de) |
| PT (1) | PT822369E (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL111207C (de) * | ||||
| JPS622099A (ja) * | 1985-06-27 | 1987-01-08 | Rinnai Corp | 住宅情報通報装置 |
-
1996
- 1996-08-01 FR FR9609751A patent/FR2752038B1/fr not_active Expired - Fee Related
-
1997
- 1997-08-01 AT AT97401858T patent/ATE258291T1/de not_active IP Right Cessation
- 1997-08-01 ES ES97401858T patent/ES2214598T3/es not_active Expired - Lifetime
- 1997-08-01 EP EP97401858A patent/EP0822369B1/de not_active Expired - Lifetime
- 1997-08-01 PT PT97401858T patent/PT822369E/pt unknown
- 1997-08-01 DE DE69727269T patent/DE69727269D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2752038A1 (fr) | 1998-02-06 |
| FR2752038B1 (fr) | 1998-10-02 |
| PT822369E (pt) | 2004-06-30 |
| EP0822369A1 (de) | 1998-02-04 |
| DE69727269D1 (de) | 2004-02-26 |
| ATE258291T1 (de) | 2004-02-15 |
| ES2214598T3 (es) | 2004-09-16 |
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