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Vehicular saturation flow control device of natural gas fuel

A process control and natural gas technology, applied in the field of vehicle bottles, can solve the problems of vehicles not running, affecting engine power, intermittent and so on

Active Publication Date: 2014-03-19
NINGBO MINGXIN CHEM MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] To use natural gas to drive motor vehicles, a complete set of equipment is required for gas supply. Although natural gas has been promoted as a vehicle fuel in China, according to the existing domestic natural gas supply process and gas filling process, if the temperature of LNG at the gas filling station is low , its saturated vapor pressure will also be low, which will directly affect the engine power, and the vehicle will not be able to run, or it will run intermittently. Although some domestic manufacturers currently use external superchargers for supercharging, However, because the vehicle is always in motion, the internal liquid will stir, and the vapor will be cooled again, causing the pressure to drop again. Therefore, the pressure in the bottle will be unstable, and the liquid volume in the bottle will be less than half, and the pressurization system basically has no effect.

Method used

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  • Vehicular saturation flow control device of natural gas fuel

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Embodiment Construction

[0018] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] figure 1 Shown is the structural representation of the present invention.

[0020] The reference signs are: natural gas storage equipment for vehicles 1, water bath carburetor 2, buffer tank 3, pressure regulating valve 4, circuit solenoid valve 5, filter 6, engine 7, stop valve 8, return air coil 9, A coil assembly 10 , a temperature sensing device 11 , and an access solenoid valve 12 .

[0021] Such as figure 1 As shown, the present invention's

[0022] The vehicle natural gas fuel saturation process control device includes a vehicle natural gas storage device 1 with a built-in temperature sensing device 11, wherein the vehicle natural gas storage device 1 is connected in series with a water bath carburetor 2, a pressure regulating valve 4 and a buffer tank 3 through pipelines in sequence , the buffer tank 3 is connected to the coi...

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Abstract

The invention discloses a vehicular saturation flow control device of natural gas fuel. The vehicular saturation flow control device comprises vehicular natural gas storing equipment which is internally provided with a temperature sensing device, and is characterized in that the vehicular natural gas storing equipment is connected with a water-bath type carburetor, a pressure adjusting valve and a buffer tank in sequence and in series by pipelines; the buffer tank is connected with a coil pipe component in the vehicular natural gas storing equipment by a gas return coil pipe which is provided with a stop valve; the coil pipe component is arranged on a liquid-phase part of the vehicular natural gas storing equipment by a fixed bracket; and normal-temperature gas in the gas return coil pipe is transferred to the coil pipe component and carries out heat convection with low-temperature liquid in the vehicular natural gas storing equipment, so that the temperature and the pressure in the vehicular natural gas storing equipment can rise stably. The vehicular saturation flow control device has the advantages of quick pressure rising, stable pressure in a control cylinder, good effect and low cost.

Description

technical field [0001] The invention relates to the field of vehicle bottles for storing liquid fuels such as liquefied natural gas, in particular to a vehicle natural gas fuel saturation process control device. Background technique [0002] As countries around the world pay attention to the climate, especially the abnormal climate in the world in recent years, governments of all countries are trying their best to promote the use of new energy. Natural gas, as one of the new clean energy, is also more and more widely used in various sectors of the national economy. Fields, such as the use of natural gas instead of gasoline and diesel as vehicle fuel, are increasingly being promoted and used in many cities and regions in my country. At present, buses, long-distance vehicles and heavy trucks are the most widely used. The development of clean fuel transportation vehicles and heavy trucks has significant economic benefits, and natural gas buses can save energy costs by about 20%....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D19/02F02M21/02
CPCY02T10/32Y02T10/30
Inventor 廖建明薛秉康闻庆叶青
Owner NINGBO MINGXIN CHEM MACHINERY
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