Fuel tank inlet device
A technology of injection device and fuel tank, which is applied in the direction of power unit, transportation and packaging, and the arrangement combined with the fuel supply of internal combustion engines, etc., can solve problems such as backflow, and achieve the effect of preventing fuel theft
Inactive Publication Date: 2011-10-19
TRUCKPROTECT
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- Abstract
- Description
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- Application Information
AI Technical Summary
Problems solved by technology
[0004] These devices still have the problem of reflow, at least when injecting at high speed
In addition, the above devices present other assembly and safety issues
Method used
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Embodiment Construction
[0085] figure 1 and 2A side view and a schematic cross-sectional view of a fuel tank filling device in a preferred embodiment of the present invention, respectively, the inner surface of the end portion of the device has a conical portion to guide the fuel flow to the side wall. The fuel tank filling device is numbered 1 in the figure, which can prevent the liquid fuel in the fuel tank equipped with the device from being stolen. The device 1 contains an accessory 2 which allows the device 1 to be securely attached to a fuel tank or filler neck; the fuel injection body 5 for the reception of fuel, the fuel injection body 5 contains an injection port 12 for fuel injection , and also contains an outlet to output fuel to the tank. The fuel injection body 5 also has a side wall 7 which extends from the first end of the device near or inside the injection port 12 to the other end portion 9 connected to the second end portion of the device 1 . The end portion 9 contains an inner s...
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An inlet device (1) for a tank, the device comprising an attachment portion (2) adapted to allow the device to be secured to a tank or filler neck thereof and an inlet body (5) portion for the receipt of liquid, the inlet body portion comprising an inlet (12) for the ingress of liquid and an outlet for the egress of liquid into a tank, the inlet body portion comprising a wall portion (7) depending from a first end of the device at or in the vicinity of the inlet to an end portion (9) associated with a second end of the device, the end portion having an inner surface (9a) for the receipt of liquid and an outer surface (9b), the outlet being provided by a plurality of bores (10a-10e) in a part (21) of the wall portion associated with the end portion and the inner surface of the end portion being shaped so as to direct liquid towards one or more of said bores, the inner surface of the end portion being provided with a surface of revolution for directing liquid towards one or more of said bores, one or more of said bores extending from a bore inlet (18) for the receipt of liquid to a bore outlet (19) for the egress of liquid, wherein the bore outlet has a greater cross-sectional area than the corresponding bore inlet.
Description
technical field [0001] The present invention relates to a fuel tank filling device, in particular to a fuel tank filling device which can prevent fuel from being stolen from the fuel tank. Background technique [0002] The tank filling device is used to prevent the theft of fuel in the tank. Many of these devices consist of an accessory, which is used to securely attach the device to the fuel tank, and a body, which receives the injected fuel, and which, in use, extends into the fuel tank (usually the vehicle's fuel tank). The body should be of sufficient size to accommodate the fuel transfer system. The body generally has holes through which fuel flows into the tank. The holes in the body are very small to prevent the fuel in the tank from being sucked out of the tank through a hose or the like. This type of device is generally prone to reverse flow. When the transmission speed of fuel through the small hole into the fuel tank is insufficient, a back pressure will be for...
Claims
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IPC IPC(8): B60K15/04
CPCB60K15/0403
Inventor 理查德·奈杰尔·福勒
Owner TRUCKPROTECT