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Refueling machine and method for preventing oil groove from spraying oil

A fuel dispenser and oil tank technology, applied in special distribution devices, packaging, distribution devices, etc., can solve the problems of fuel spraying outside the fuel dispenser, excessive fuel accumulation, etc., and achieve the effect of improving safety.

Inactive Publication Date: 2013-01-02
GILBARCO CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a fuel dispenser and a method for preventing fuel injection from the fuel tank, which solves the problem that the fuel accumulates too much inside the fuel tank, causing the fuel to spray out of the fuel dispenser from the gas outlet of the fuel tank

Method used

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  • Refueling machine and method for preventing oil groove from spraying oil
  • Refueling machine and method for preventing oil groove from spraying oil
  • Refueling machine and method for preventing oil groove from spraying oil

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as figure 2 As shown, the oil pump 4 is an actuator for pumping liquid fuel from the oil storage tank 1 into the fuel dispenser through the oil return check valve 3 at the inlet of the dispenser. When the oil pump 4 is running, the vane or the gear pair generates a vacuum, and the fuel enters the oil pump 4 from the oil storage tank 1 through the oil inlet pipe 2 of the fuel dispenser and opens the anti-oil return check valve 3 . The fuel passes through the oil and gas separator 5, and the fuel without oil and gas enters the flow meter through the oil supply pipe 6 of the flow meter. The separated gas-liquid mixture containing a large amount of gas enters the oil tank 8 through the oil tank oil supply pipe 7 . Oil and gas enter the atmosphere through the gas outlet 9 of the oil tank. The fuel in the mixture is deposited in the o...

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Abstract

The invention discloses a refueling machine and a method for preventing a fuel groove from spraying fuel. The refueling machine comprises a return-preventing check valve arranged on a fuel inlet of a fuel pump, wherein the fuel groove is prevented from spraying fuel through controlling a starting pressure of the return-preventing check valve. By applying the invention, the problem that fuel is sprayed outside the refueling machine from a fuel outlet of the fuel groove when directly reversely entering the fuel groove through a fuel return pipe from an inlet of the fuel pump when fuel pressure is overhigh is solved; and meanwhile, the flow of fuel returned to the fuel pump from the fuel groove is increased due to the adoption of the return-preventing check valve, the problem that the fuel is sprayed outside the refueling machine from the fuel outlet of the fuel groove when being accumulated inside the fuel groove excessively is solved, and the safety of the refueling machine is improved.

Description

technical field [0001] The invention relates to the field of fuel dispensers, in particular to a fuel dispenser and a method for preventing fuel spray from an oil tank. Background technique [0002] A fuel dispenser is a device that adds liquid fuel such as gasoline and diesel to a motor vehicle from a storage tank. [0003] Such as figure 1 As shown, the oil pump 4 is an actuator for pumping liquid fuel from the oil storage tank 1 into the fuel dispenser. When the liquid fuel enters the oil pump 4, due to various reasons, there will be a large amount of gas inside. If the liquid fuel with gas is directly input into the flowmeter, it will cause inaccurate measurement and increase the noise during the refueling process. [0004] To solve the above problems, before the liquid fuel enters the flow meter, the gas-liquid separation device 5 separates the oil and gas into the oil tank 8, and the oil and gas enter the atmosphere through the gas outlet 9 of the oil tank. The oil...

Claims

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Application Information

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IPC IPC(8): B67D7/04B67D7/06
Inventor 吴继延陈文虎贾传文
Owner GILBARCO CHINA
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