• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A liquid fuel tank for a vehicle is provided with a fuel outlet duct in a circuit about the base of the tank and fuel outlet duct vents connected to the outlet duct and extending above the highest part of the tank. During normal operation of the tank, a non-return air vent allows the flow of fuel from the outlet duct. In the event of an accident, or some other occurrence which results in the tank being tilted, further fuel flow from the outlet duct is cut off by air drawn into the fuel outlet duct from the outlet duct vents. The angle through which the tank must be tilted to allow air from the outlet duct vents to be drawn into the outlet duct may be predetermined by the extent of the circuit about the base of the tank of the outlet duct. Such a non-spill fuel tank, which is self contained in operation, is suitable for use in on-road and off-road wheeled and tracked vehicles, hovercraft, and aircraft which are in danger of being blown over when on the ground.
    公开号:SU1281170A3
    申请号:SU833576802
    申请日:1983-03-28
    公开日:1986-12-30
    发明作者:Филип Чинн Бриан；Синклейр Армоур Джон；Майкл Фредерик Ватсон Питер；Леонард Донн Грэхем
    申请人:Министр Транспорта Великобритании；
    IPC主号:
    专利说明:

    FIELD: transport engineering. The purpose of the invention is to increase the reliability of operation of the fuel tank. FIG. 1 shows a simplified and schematic fuel tank of a motor vehicle according to the first embodiment of Invention i in FIG. 2 - the same, simplified perspective view, revealing the basic geometry of the tank; Figs 3-6 are views illustrating the turns of the tank shown in Fig. 2 in some directions; Fig. 7: a vehicle fuel tank in accordance with a second embodiment of the invention; a simplified perspective view; Fig. 8 is a simplified vertical cylindrical fuel tank having three vent tubes, 20 and a perspective view. The fuel tank of the car is made in the form of a box-shaped tank 1, the surface of which consists of six walls 2-7. In the upper part of the reservoir, at the border between walls 2 and 7, there is a filler neck 8. The latter is hermetically sealed with a removable lid 9 and has a short spout entering the reservoir and designed to ensure that the reservoir can be filled with fuel to the maximum level coinciding with the bottom of the wall. nozzle. At the same time, even in the maximum filled tank airspace remains. Outlet tube 10 allows fuel to be delivered from the tank. cuts choke 11 via pump 12. In FIG. 2, the fuel tank is proven in the form of a box with corners at points A, B, C, D, E, F, G and N. According to FIG. 1.2, the outlet pipe 10 describes an open loop (loop) inside the tank near its lower surface CDHG, passage close to the corners C, D, Ne G, and out of the tank through the wall 2 near the corner. D. The discharge tube 1C has an open end 13, which is located near the angle C of the tank and through which fuel enters the discharge tube and exits through it from the tank under the action of the pump. The end 13 is the only point where fuel can enter the outpipe. The tank also contains two ventilation pipes 14 and 15, which connect the exhaust pipe with the atmosphere. The vent tube 14 passes through the wall 6 to the outlet pipe 10, to which it is soldered at point 6 on the very edge of the outlet pipe contour. The vent tube 14 goes around the outside of the tank 1 and reaches a place diagonally opposite the corner of the tank closest to the extreme point 16 of the outlet pipe contour, and at this point it communicates through its open end with the atmosphere. Thus, the vent tube 14, attached to the outlet tube 10 at point 6 in the vicinity of the tank angle G, passes through the angle F to the angle C, where it ends with its open end. The ventilation tube 15 is likewise located, only it does not pass through the wall 6 of the tank, but is soldered to the outlet tube 10 at a point 17 near the angle D of the tank on the outside of its wall. The vent tube 15 then passes through angle A and ends with the open end and angle F. The vent tubes 14 and 15 communicate with the internal cavity of the outflow tube 10, respectively, at points 16 and 17, in which they are soldered to the outlet tube. Thus, there is an easy access between the discharge pipe and the vent tubes. Therefore, when there is fuel in the tank, it rises in the vent tubes to a level that coincides with the level of fuel in the tank. To prevent the pump from sucking in fuel from the vent tube 15, instead of the outlet tube 10, during normal operation of the pump, a throttling valve 11 is provided. The tank also contains a vent non-return valve 18 that allows air to enter the tank to compensate for the outflow of fuel through the exhaust tube, but not allowing fuel in the opposite direction. FIG. 1 shows the tank in a normal upright position; in FIG. 3 - rotation of the tank according to in a clockwise direction around the axis GH. When turning the tank (Fig. C) fuel in it, flows in the direction from the wall 2 to the wall 4, as a result of the open end 13 of the discharge tube
    3
    10 is above the level of Ton.nviBa and the outflow of fuel from the tank is stopped. Similarly, when the tank is rotated around the axis-OH in the counterclockwise direction (FIG. D, the fuel in the tank flows in the direction from wall 5 to wall 7, as a result, the open end 13 of the discharge pipe 10 is above the fuel level and the outflow of fuel from the tank also stops .
    When the tank is rotated in the counterclockwise direction around the axis CD (Fig. 5), the fuel flows in the direction from wall 4 to wall 2, as a result point 16 turns out to be fuel level. In this case, although the end 13 of the discharge tube 10 may remain below the fuel level in the tank, the outflow of fuel from the tank through the discharge tube as a result of natural siphoning or under the influence of the pump is impossible, due to the communication of a possible outflow path with the atmosphere through the vent tube 14.
    When the tank is rotated in a clockwise direction around the HV axis (Fig. 6), point 17 turns out to be above the fuel level. In this case, although the end 13 of the injection pipe 10 may remain below the fuel level in the tank, the outflow of fuel from the tank through the exhaust pipe is impossible due to its communication with the atmosphere through the vent pipe 15.
    Considering all possible turns of the tank around non-vertical axes, it can be seen that since there is airspace inside the tank, non-expiration of the fuel through the exhaust pipe stops at any significant turn of the tank from its normal position.
    The fuel tank according to FIG. 7 (second embodiment) has a tank 1 with an outlet pipe 19, the open end 13 of which is located inside the vessel 1, and with vent pipes 20 and 21, which are soldered to the outlet pipe at points 22 and 23, respectively. The tank is also provided with a filler neck 8 with a cover 9 and a vent check valve 18.
    In the embodiment shown in FIG. 7, the fuel tank exhaust tube describes the open loop of the tank not inside, as in FIG. 1, and outside the tank. In this case, in order for points 22 and 23
     / O4
    above the level of fuel in the tank, it requires a smaller rotation of the tank around a particular axis than is necessary to move points 16 and 17 (Fig. to a position above the fuel level. The outflow of fuel from the tank (Fig. 7) is thus more sensitive to displacement of the tank from the normal vertical position than the discharge from the tank according to Fig. 1.
    In the embodiment shown in FIG. 7, the tank needs to drill its wall only at one point 24, whereas in the tank shown in FIG. 1, it is necessary to do JB three points. Thus, the structure shown in FIG. 7 is preferred. the fact that the drilling creates a difficulty associated, for example, with the production or with the increased possibility of leakage. In addition, since the discharge tube in FIG. 7 is located completely outside the tank, it becomes relatively easy to maintain, for example, cleaning plugs formed in the tube, repairing damaged areas or unfit paired connections to the ventilation tubes. However, compared with the internal position of the discharge tube, as in Figure 1, the external position of the discharge tube increases the possibility of damage.
    FIG. The 8 cylindrical fuel tank 25 is shown schematically. The discharge tube 26 extends around the base of the tank and has an open end 13 inside the tank. The fuel can be injected into the tank through the filling device 8, which can be sealed with a shaker 9. During the usual emptying of the tank, air is injected into the tank by means of a non-return valve 18. At locations 27, 28,
    29, equally spaced relative to the outlet tube, the outflow tube is connected to the vent tubes respectively.
    30,31i 32. As regards the tanks shown in FIG. 1 and 7, the rotation of the tank around any horizontal axis leads to the flow of fuel from the outlet tube by means of air entering the inlet tube at the very open end 13 or by means of one or more vent tubes.
    权利要求:
    Claims (1)
    [1]
    Each vent tube of FIG. 1.7 and 8 has a length. sufficient to reach the first point on the tank, which is diagonally opposite to its second point, closest to the soldering point of the vent tube to the outlet. However, to reduce the possibility of fuel leaking out of the vent tube when the tank is rotated, as a result of which the fuel flows towards the second point, each vent tube can be extended beyond the specified first point. In accordance with another variant, the ventilating tube can be made shorter, provided that its open end is Bbmje fuel level even filled up to the maximum tank level when the tank is turned, as a result of which the second point will be the lowest point of the tank. Where the filler neck is positioned so that the tank always contains air, even when it is filled to the maximum level, each vent tube can be designed so that it does not reach the first point. The fuel tank can be mounted on a vehicle, which provides a safety measure that consists in limiting the potentially dangerous outflow of fuel from the tank when the vehicle is displaced from its normal, upright position, for example, as a result of a road accident. The invention is not limited to the options described, it can be applied to closing liquid tanks, in which it is necessary to stop the outflow of liquid from the outlet when the tank is mixed from a vertical position. The relationship between the angle of rotation of the tank around any axis and the point of the outflow of fuel can be determined by the configuration of the discharge tube on the section with which it bends the contour of the tank bottom. So, the further the outlet tube is separated from the center of the tank in any direction, the smaller the angle of rotation is necessary so that the outlet tube is above the fuel level when the tank is turned around an axis at an angle to this direction. Thus, any fuel cut-off profile can be completed706 by ensuring that the configuration of the outlet pipe contour is appropriate. The tanks shown in Figures I, 7 and 8 have a rectangular box-like shape, but any shape of the tank can be used. FIG. Figures 1 and 7 show the contour of the outlet tube lying in the same plane and located either completely inside or completely outside the tank. I, 7 show two vent tubes, which are located at the points of the outlet tube most distant from the center of the tank, corresponding to the angles D, C, G, and N. But more ventilation can be provided for the tubes, and not all of them can When the outlet pipe has a convex curvilinear configuration, such as a circular one, each point of the curve may be the extreme.Therefore, instead of providing a ventilation pipe at each point of the curve, you can distribute the pipes along a curve with E tsromezhutkami therebetween. If, however, a limiting reduction in the angle of rotation required to cut off the fuel is required, the vent tubes may not be located at the extreme points of the discharge tube. Claims of Invention A vehicle fuel tank comprising a housing with a bottom and vertical sides and a filler neck connected to the cavity of the tank below the upper part of the housing, a vent non-return valve, interconnected tubes for communication of the inner cavity of the tank with the atmosphere in its vertical position, one of which is located above the upper part of the body, I distinguish it with the fact that, in order to increase reliability in operation, it is equipped with additional tubes for connecting the cavity of the tank with the atmosphere, while one tube located on ne / 1281
    The bottom of the hull is connected to one end of the tank with a tank cavity on the side of the bottom, while the others are evenly distributed outside it and pass along its ends or sides of the tank. symmetrically diagonally, and the transition to the upper part of the body708
    also located diagonally on it, with the ends of each of the indicated tubes in the upper part of the body located above the tube pac-t placed along the perimeter of the bottom of the body, symmetrically along the diagon; and connecting them to the bottom tube.
    1
    Fig.Z
    类似技术:
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    SU1544670A1|1990-02-23|Fire engine tank
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    同族专利:
    公开号 | 公开日
    JPS58177719A|1983-10-18|
    EP0090537A3|1984-03-28|
    AT23827T|1986-12-15|
    JPH0332492B2|1991-05-13|
    ES279883U|1985-01-16|
    EP0090537B1|1986-11-26|
    AU553833B2|1986-07-31|
    ES279883Y|1985-07-16|
    US4492244A|1985-01-08|
    CA1207679A|1986-07-15|
    DE3367883D1|1987-01-15|
    EP0090537A2|1983-10-05|
    AU1290683A|1983-10-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    RU2617773C2|2012-09-11|2017-04-26|Форд Глобал Технолоджис, ЛЛК|Vehicle fuel system and method for its operation|US2404765A|1945-06-12|1946-07-23|Glenn L Martin Co|Self-locking vent system|
    DE2045458A1|1970-09-15|1972-03-16|Volkswagenwerk Ag, 3180 Wolfsburg|Ventilation device for fuel tank|
    JPS5237707U|1975-08-20|1977-03-17|
    EP0042214B1|1980-06-17|1987-04-01|Secretary of State for Transport in Her Britannic Majesty's Gov. of the United Kingdom of Great Britain and Northern Ireland|Tank|US4767018A|1985-06-11|1988-08-30|Kabushiki Kaisha Toyoda Jidoshokki Seisakusho|Air breather device for a tank|
    SE459248B|1985-01-21|1989-06-19|Goetaverken Arendal Ab|DEVICE FOR HANDLING THE BALLAST WATER IN THE FLOATING UNIT|
    JPS61159219U|1985-03-26|1986-10-02|
    US4741362A|1986-08-20|1988-05-03|Deere & Company|Fuel tank for an off-road vehicle|
    DE69309218D1|1992-11-04|1997-04-30|Colas Sa|Ventilated tank|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB8209227|1982-03-29|
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