Improvements on liquid gas containers and their distributor valve, in particular for use in campers and the like.

p0001Improvements to LPG containers and the associated distribution valve particularly for campers, etc. ..

p0002Dervorliegenden subject invention are improvements to the liquid containers and to the distribution valves for the liquefied gas, in particular for self-propelled, and a realization of these especially for campers, etc.. appropriate improvements.

p0003It is known that the self-drive, etc. in general and in particular in Campers, caravans, camper trailers. often LPG whether as a fuel to drive the motors it is needed for the operation of other equipment. Furthermore, the fuel contained in the container may, for example, are subject to an unexpected temperature increase of a pressure increase, which may cause the bursting of the container in the worst cases.

p0004An object of the present invention is an improvement to the containers and in particular to the liquid gas containers, according to which it is possible in the container to provide even a space between any predetermined capacity in which the caused by the evaporation of the liquid gas and / or the liquid is there it can be taken up during the filling of the container at its evaporation.

p0005Another object of the present invention are valves, which besides the use of a container such as those described or similar container together with a special system to enable allow for the use in security of the system.

p0006To make an accurate indication of the possible applications is below an example of the possible realizations of the described above with special adaptations for the operation explained in a camper.

p0007The container of the present invention is essentially formed of two compartments or basic containers which are combined with one another by means of a specially conceived to flange or ring, so as to form an exclusive whole.

p0008One of the containers or compartments, those with the greater capacity, can drain off by means of a safety valve in another container or compartment.

p0009According to the invention, the association between the two to solidarities containers is made by means of a kind of flange or ring, which is formed of two cylindrical parts of outer diameter substantially equal to the inner Messere the body on which each must be installed by this, and from a part of outer diameter equal to or larger than the outer diameter of the aforementioned body. The mach outside of the body-facing portion of smaller diameter ends with an example, the cap of the container forming a closed surface or combined with a second body or container. The introduction of the ring in or on each of the body or container causes the formation of an annular cavity is equal to the thickness of the body ,, which receives the ring, which recess or cavity is designed to a weld seam of each body to take on the ring, by the proper - free sealing of the whole is ensured even at much higher pressures than the operating pressures.

p0010As indicated above to allow an optimal use of the container was a suitable especially for liquefied gas distribution valve and a system devised that uses this, which valve, following the entry into a second compartment of the liquefied gas, which is located in the first compartment, through a normal refueling, permitted by a pressure increase or other cause, the use of the liquefied gas in the engine, if that contained in the first container is used up or has reached a predetermined level. In other words, when the liquid flows to the other by the action of an arbitrarily caused overpressure via the safety valve from the first container, the second container a pressure increase will come into being. The aforesaid distribution valve allows the flow of liquid gas from the first tank to the engine while it is in a manner dependent on the pressing situation, which prevail in the first and second containers. When the existing pressure in the second container exceeds those in the first existing, then adjusts the counter to the pressure of each of the container-sensitive distribution valve and therefore causes the supply to the engine on the part of the liquefied gas of the second container.

p0011The container described and the valve described have a very useful application found in a combined on-board services and self traction LNG plant, which consists of a specially to imaginary valve group which is pursuing the principles described above and connected to a dual-chamber container to which in a preferred solution a waagecht arranged conventional gas cylinder is connected.

p0012What has been mentioned, will be better understood from the following detailed description, performing a form of implied improvements with reference to the accompanying drawings. In the drawings themselves:<ul><li>Figure 1, in section, the association means or ring between two compartments of a liquid container;</li><li>Figure 2 on a larger scale a detail of the connecting means according to the section of Figure 1;</li><li>Figure 3 in section a particular container for liquid for self-drive and for supplying derverschiedenen services;</li><li>Figure 4.4 'and 4 to include "in section a container which is intended to LPG, for use in self-drive with safety valve;</li><li>5, the conditioning and the distribution valve in use position the first container or main container;</li><li>6, the conditioning and the distribution valve in-use position of the second container or reserve tank;</li><li>Figure 7 is a cross section showing a preferred system of the plant;</li><li>Figure 8 una view the entire system;</li><li>Figure 9 shows an exploded view of the valve assembly;</li><li>Figure 10 shows an exploded view of the shut-off valve.</li></ul>

p0013Referring to the drawings and particularly to Figures 1 and 2, the combining means, or element, of two container parts of a ring indicated generally by the reference numeral 1, which is 2, and 3 formed from at least two parts with mutually different outer diameters. The two parts 2 and 3 form according to the invention a sole complex and have given their connection function the same or with the container 4 forming material acceptable physical and chemical properties. Conveniently, and as is apparent from the drawings, the ring 1 is usually formed of two outer parts 2, 3 between which the part is interponiert.

p0014Each part 2 has an outside diameter equal to or slightly smaller than the inner diameter of the container part 4, in which it is to be stored, while the middle part 3 has an outer diameter preferably equal has the outer diameter of the container. 4 When one speaks of the diameter, so only the external or internal dimension of the part is to be understood, on the one refers, as it can take any form, which allows him to the outer and / or inner shape of the container to unite.

p0015As can be seen in particular from Figure 2, may be one of the parts 2 of the ring 1 may take the form of a complete integral wall 5, which forms a base wall of the container, or, as seen in Figure 1, can be used in or on another part of the container 4 to be pushed. This allows a container to be formed, by starting from a tubular element of any cross section, and to provide it with a bottom plate 6 (see, eg, Figure 3) or two parts of the same tubular element 4 to be connected with each other (as in Figure 4 shown ).

p0016The outer diameter of the part 3 of the ring 1 is at least equal to the outer diameter of the container 4, as already mentioned. The resulting between the edge of the part 3 and the end portion of the wall of the container 4 space as shown in Figure 2 with a bead or seam 7 of suitable material for the purpose required. This formed of the material seam 7 is adapted to the continuity of the parts 4 and 5 to create again by any discharge of the content of both liquid and gaseous nature is prevented even at a much higher pressure than the operating pressure.

p0017As shown particularly in Figure 3, the container 4 is completed by a flange 1, the part 2 to the outside of the container is completed by a wall 8 and to which a second container 2 flange part 9 welded in the manner indicated above.

p0018When appropriate, in particular for self-propulsion and onboard services implementation, as this is shown in Figure 3, established with the acceptance of the container 9, a double container respectively with the corresponding connecting pieces 10,11. The container 9 is thus forming a space for the particular services for gas and which can also be fed from the gas, which is formed in the container. 4

p0019However, if the liquid contained in the container is determined nurfür a self-propelled use, as bezeigt in the Figur4, the container 9 forms a safety space 13, which sets the two containers in connection by the container 9 is a decanting of the gas is made possible by Behälter4 which is available by the action of temperature increases in excess.

p0020In any case, the shape of the container for the purpose of the invention is uneinflussreich, as can be seen from the figures 4 'and 43, where the container is shaped in a toroidal shape. By means of the ring 1, the average space 11 to the outside 12 conveniently closed by the wall, which emanates from the wing 2 of the flanges 1 and connecting means of part 3 is fixed to the part 4 of the container 12, so to achieve the desired security room to form , Also in this case, a safety valve 10 is provided.

p0021As indicated above, a possible plant and the distribution valve is shown in Figures 5 and 6 in two unterschliedlichen use positions. Referring consists to these drawings, the system in its entirety from a first container 14, from a second container 15, a safety valve 16 and a distribution valve generally indicated by the reference numeral 17, wherein in the chambers 20 and 22 of the sole cylinder which this forms two bound together by means of a rod 25 pistons 23 and 24th

p0022The two containers 14 and 15 are as has been said by means of a line 18 and the associated safety valve 16 connected to each other, which is why the liquid flows through a pressure increase of the liquid gas in the container 14 from the container 14 to the container 15th In the latter one has thus to increase a pressure which tends to the increase in the quantity of liquid within him.

p0023The motor, not shown, is fed via the line 21 from the container 14 by means of the line 19 and the chamber 20 of the distribution valve 17th The chamber 22 of Verteilunsventils 17 is in turn by means of the line 26 under the pressure of existing in the vessel 15 liquefied. From the container 15 is furthermore a second conduit 27 of which connects the container 15 with the part of the chamber 23 and 24 which is located between the opposite end faces of the pistons.

p0024If a decrease in pressure in the container 14 occurs, or in any case a preponderance of existing in the tank 15 pressure against the ruling in Case 14 pressure, then the pistons adjust 22 and 23 as illustrated in Figure 6 by the discharge of the liquid gas means the line 19 is prevented. The energization of the motor is then carried out by means of the line 27, the chamber 22 and the conduit 21 with the container 15 present in the liquefied gas.

p0025What has been described, was applied with appropriate modifications for the realization of a liquid container for flight services and self-propelled with the accompanying illustrated in Figure 7 to 10 valve group.

p0026Referring to these figures, the combined for flight services and self drive and associated valve assembly LPG containers from a container 28, which has in its interior a space appropriate capacity, in which the caused by the evaporation of the liquid gas is received.

p0027Thanks to this container property to have a space that it allows the liquid to gas, it is possible the LNG plant a conventional gas cylinder allocate 29 which is arranged as shown in a horizontal position; the importance of this solution to better recognize it is appropriate to mention that a horizontal arrangement of the gas cylinder 29 would be impossible without a container is the liquid allows to gasify, and in the event that the gas contained in the bottle is not gassed, the system as would fill the camper with easy denbaren sequelae with liquid. As indicated above, the solution provides the liquid container together with the bottle in a horizontal position to place considerable advantages; with at most some common vehicles salaried research it has been found that the preferred location for the placement of in question plant is that, as this is shown in Figure 7 of the drawings. To enable a purposeful, safe and appropriate to the legal regulations the system set a fixed to the frame of the vehicle pan 30 has been conceived on the container with the entire valve assembly and the bottle are placed, said tray 30, both the object described has to support the system and the function has to protect it from the emitting from the exhaust system heat 31, as well as from dirt, from mud, rain, etc., which could come into contact with the plant. The room where the Anlagre is housed is, toward an obvious manner sealed to the outside with a special cover, which is aligned with the body structure, and in the absence of the gas cylinder can also be used for other purposes, this space.

p0028In the figure 8, it is possible to see the system in their preferred solution and arrangement, which is completed with the valve group.

p0029In the Figure 9 shows an exploded view of the multi-valve and the other components shown, which characterize this part of the plant, which has been devised to ensure eingens to the refueling process and easy to customize.

p0030The multi-valve 32 consists of a real multivalve group, moose the charging valve includes the outlet valve and the scoreboard.

p0031Especially for the special use of the container of the gas, which as I said is connected to the services of the camper's facility, the safety device shown in the accompanying drawings and in particular in Figure 9 has been realized. The charging socket 33, in which the gun is inserted at the moment of refueling is partially protected by a shield 34, which prevents the introduction of the gun into the socket 33 in the normal position; To make the filling, thus introducing the gun into the socket 33, it is necessary by means of specially provided for this purpose lever bushing cover 33 by the plate 35 is moved to ruchwärts. This movement of the plate 35 causes the axial sliding of the piston 36 connected to it and the closure of access to the gas tank, which is in connection with the investment of the services of the vehicle.

p0032This safety system guarantees absolute possibility to recharge the system of services with gas in the liquid phase, by getting a sufficient volume is left inside the container, so that the liquid contained can safely gasified. This device closes further to the arranged inside the tank to float, which even with a quantity of liquid prevents loading of the container, which exceeds about 80% of the total capacity of the container. After completion of the refueling after the gun was pulled out of the loading valve, the spring 37 return the piston 36 in the normal position by the liquid container with the system of services is again brought in connection.

p0033As can be seen from Figure 9, the gas in the effluent from the described multi-valve via the conduit 11, before it reaches the Verwendungsanlange, transferred to a two-way cock shown in Figure 10, which an input and shutoff valve 39, an output valve 40 has for the in-flight services, which represents a further security, since it is possible with a sole faucet shut off the flow of gas to the services.

p0034From the output 40 even before it enters the line 41, which brings it to the services, the gas is passed through the regulator 42nd

p0035It is obvious that besides the described valves, as can be seen from the Figure 7, also disposed in the interior of the vehicle taps will be 43 present which enable the blocking of the gas before it goes to the different consumers.

p0036A Last advantage of the described system is given by the fact that as described equipped vehicle can easily be augmented with devices which allow the engine as fuel, the use of the liquefied gas, and for this purpose is the multi valve 32 already the specially to certain connection available which allows the exit of the gas in the liquid phase.