CN2074367U - Multi-purpose fuel device for gas automobile - Google Patents

Abstract

The utility model discloses a fuel device for combustible gas automobiles, comprising a fuel tank filter assembly, an evaporating pressure reducer assembly, an electromagnetic valve and mixer assembly, etc. A liquid supply angle valve is opened, and liquefied gas is fed into the electromagnetic valve filter assembly by a liquid supply copper pipe. The gas is preheated, evaporated and depressurized by the pressure reducer, and is fed into the mixer assembly by a gas supply rubber pipe. The gas is fed into the upper side and the lower side of a carburetor by a valve rod and a valve seat in the mixer, and is fed into an engine by the carburetor to be combusted. The multi-purpose fuel device for combustible gas automobile can be used on the engines of dongfeng and jiefang series automobiles and on the engines of 4920 series automobiles.

Description

Multi-purpose fuel device for gas automobile

The utility model belongs to the engine fuel supply system and device, is mainly used in petrol engine or liquefied petroleum gas (LPG) and compressed natural gas motor.

Because the gasoline processing charges is higher and worsening shortages in recent years, the motor user cost of burns gasoline is very high, and incomplete combustion, in the waste gas of burning back discharge 21 kinds of compositions that are detrimental to health is arranged, and befouling environment influences ecodevelopment.And liquefied petroleum gas (LPG) and combustion of natural gas are more complete, through only giving off nitrogen, water vapour and 3 kinds of gases of carbon dioxide gas after the burning, all harmless to human body and other biology, calorific value is than high about 1300 kilocalories of gasoline, oil-producing country and oil refinery all have abundant petroleum resources, according to statistics, in the oil per ton of underground storage 1000 cubic metres associated gas is just arranged, 1 ton of crude oil of every refining just can be produced 0.05 ton of liquefied petroleum gas (LPG), and petroleum gas is stored, transports all very convenient after liquefying, therefore, liquefied petroleum gas (LPG) is the ideal fuels that motor can be used to gasoline replacing.

The utility model has overcome deficiency of the prior art, thereby provides a kind of many with combustible gas automotive fuel device, and to reduce the user cost of motor car engine, saving gasoline is developed fuel-device, prevents the pollution of the environment.

Task of the present utility model is achieved in that from the visible fuel pot of block schematic diagram feed flow angle valve and air feed angle valve is housed, compositions such as filter assembly, evaporation step down transformer assembly, solenoid valve and mixer assembly.Open feed flow angle valve liquid gas and enter the filtering of solenoid valve filtering device by liquid inlet joint by the feed flow copper pipe, pass through the feed flow copper pipe to liquid inlet joint from the fluid joint, enter evaporation step down transformer assembly, by the preheating in preheating cavity of annular economizer bank, the annular economizer bank is enclosed in the preheating chamber, round, annular economizer bank one end communicates with liquid inlet joint, the other end communicates with vaporizer, liquid gas enters the vaporizer cavity of resorption after preheating in the preheating cavity, enter epicoele through passage, gas enters step down transformer from solenoid valve, step down transformer is connected through air input joint with the air feed sebific duct and enters the mixer assembly, enters above or below the Carburetor by opening valve rod in the mixed gas and valve seat, enters engine combustion through Carburetor again.

Natural pressurized gas and gas are to realize like this, open the air feed angle valve, enter vaporizer epicoele by the air feed sebific duct through control valve through dropping valve by the air feed angle valve, arrive step down transformer through solenoid valve, step down transformer is connected with the air feed sebific duct, enters the mixer assembly by air input joint, enters above or below the Carburetor by opening valve rod in the mixer assembly and valve seat, unvaporized raffinate enters the petrol tank of former car in jar, is mixed into to exercise with gasoline and uses.Because north temperature in winter is low, in two outsides of fuel pot tank body economizer bank and thermal insulating material case is housed, and there is inlet tube and outlet tube to communicate with the inlet/outlet pipe of evaporation step down transformer.

Accompanying drawing: Fig. 1 is many with combustible gas automotive fuel device square work schematic representation;

Fig. 2 is many each system's connection diagrams with combustible gas automotive fuel device;

Fig. 3 is many structural representations with the blue or green device assembly of electromagnetic valve filtration in the combustible gas automotive fuel device;

Fig. 4 be many with preheating evaporator assembly A in the combustible gas automotive fuel devices to sectional view;

Fig. 5 be many with preheating evaporator assembly B in the combustible gas automotive fuel devices to schematic representation;

Fig. 6 is many structural representations with solenoid valve assembly in the combustible gas automotive fuel device;

Fig. 7 is many schematic representation with mixer assembly in the combustible gas automotive fuel device;

Fig. 8 is the sectional view among Fig. 7;

Fig. 9 is that B among Fig. 7 is to sectional view.

Figure 10 is many structural representations with dropping valve in the combustible gas automotive fuel device.

Describe embodiment: Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 many system diagrams shown in being in detail in conjunction with above accompanying drawing with combustible gas automotive fuel devices.With 492Q British Standard, Automobile Series motor is that example: Fig. 1 is many with combustible gas automotive fuel device square work schematic representation, by compressed natural gas fuel pot 100, gaseous state gas 101 is through dropping valve 102, control valve 103, liquid gas 104 is through electromagnetism filter cleaner 105, solenoid valve preheating evaporator 106, dropping valve 107, preheating water pipe 108 enters mixer 109, idling tracheae 200, suction tude 201, motor 202, tank body economizer bank 203, switch starter 204, throw over switch 205, ignition switch 206, petrol tank 207, gasoline filter 208, petrol pump 209, fuel feeding cut-off valve 210, Carburetor 211, raffinate bleeder pipe 212 is formed square work schematic representation.Feed flow angle valve 1 and air feed angle valve 2 are housed on the fuel pot, and the outward appearance of fuel is that post is barrel-shaped, and HEATING BOX is a cuboid shape.Open feed flow angle valve 1, liquid liquefied petroleum gas enters electromagnetism filter assembly 10 by feed flow copper pipe 5 by liquid inlet joint 47, filter core 41 comes out the contaminant filter in the liquid, and electromagnetism filter assembly 10 is by attracting iron 30, wire terminal 31, coil carrier 32, coil 33, armature 34, magnetic isolating pad 35, seal ring 36, valve rod 37, pressure pad 38, support 39, return spring 40, filter core 41, screw 42, valve seat 43, seal rubber pad 44, O type cushion rubber 45, valve pad 46, liquid inlet joint 47, guide rod 48 to be integrated.Liquid liquefied petroleum gas is by the fluid joint 26 on the valve seat 43 of 10 li of electromagnetism filter assemblies, enter evaporation step down transformer assembly 11 by feed flow copper pipe 12 to liquid inlet joint 25, evaporation step down transformer assembly has annular economizer bank 50 and cover plate 27 for 11 li, liquid liquefied petroleum gas is heated for 50 li at annular economizer bank, help next step gasification and evaporation, adopt the purpose of the annular economizer bank 50 of a circle to be: liquid liquefied petroleum gas stays for some time in the preheating water of 49 li of preheating chambers more, to obtain sufficient preheating.Enter vaporizer cavity of resorption 54 after the preheating, the liquid liquefied petroleum gas start vaporizer, gasification, increased pressure, enter epicoele 56 through passage 55, gas enters step down transformer 52 from opening solenoid valve 7, solenoid valve 7 is by guide rod 57, tightening nut 58, attract iron 59, coil 60, valve casing 61, spring 62, armature 63, coil carrier 64, magnetic flux pad 65, valve seat 66, O type cushion rubber 67, valve rod 68, valve seat 69, wiring terminal 70 is integrated, step down transformer 52 is by valve rod 97, be decided to be dividing plate 98, spring 99 and air outlet adapter 53 are integrated, step down transformer 52 links to each other with air feed sebific duct 14 with air outlet adapter 53, to mixer assembly 17, this section air feed sebific duct 14 adopts high pressure oil resistant acid sebific duct through air input joint 87.Mixer assembly 17 is integrated by bolt 71, idling tracheae 72, D RunddichtringO 73, packing ring 74, idling air outlet adapter 75, steel ball spring 76, idling adjusting bolt 77, spring 78, valve body 79, gland nut 80, valve seat 81, rubber cushion 82, packing ring 83, O type cushion rubber 84,85, return spring 86, air input joint 87, valve rod 88, cotter pin 89, upper connecting rod 90, tee union 91, gland nut 92, adjustment swivel nut 93, lower link 94, pull bar joint arm 95.Valve rod 88 by 17 li of the mixer assemblies opened enters the Carburetor top through valve seat 81, enters engine combustion through Carburetor again, and mixer assembly 17 is contained in above the motor.Idling gas enters Carburetor by idling adjusting bolt 77 through the tee union 91 that steel ball spring 76, idling air outlet adapter 75 and idling tracheae 72 are connected.

When utilizing compressed natural gas and gaseous state compressed petroleum gas, open air feed angle valve 2, pass through air feed sebific duct 9 and control valve 4 by air feed angle valve 2 through dropping valve 3, because of all gases pressure, calorific value is different, so control valve 4 is housed, enter preheating evaporator epicoele 56 through air input joint 51, by solenoid valve 7 through dropping valve 52 step-down once more, the air outlet adapter 53 of dropping valve 52 1 ends is connected with air feed sebific duct 14, by air input joint 87 to mixer assembly 17, enter the Carburetor top by valve rod 88 and the valve seat 81 of opening 17 li of mixer assemblies, unvaporized raffinate enters the petrol tank 24 of former car through raffinate bleeder pipe 23.

Fig. 8, Fig. 9 are the mixers of liberation, Dongfeng Automobile series, are to be contained in the Carburetor below.

Fig. 7 is the mixer of 492Q British Standard, Automobile Series, is to be contained in the Carburetor top.

Many with on the combustible gas automotive fuel device connection diagram water inlet and outlet sebific duct 6 being housed, the economizer bank on the fuel pot communicates with water inlet and outlet sebific duct 6, has the water-cooling tube on Water supply switch valve 8 and the motor to communicate.Throw over switch 13 is that the conversion that is used for gasoline and gas circuit is used, and fuel feeding cut-off valve 19 also is housed, and works the supply of cutting off gasoline, and reverse opening is the use of air feeder.Petrol pump 20, gasoline filter 22, oil gauge 21, petrol tank 24, enable switch 28 are housed on the former car, and when using liquid gas work, enable switch 28 is startup effects of playing electromagnetism filter cleaner 10, and filling valve 29 is equipped with in the fuel pot outside.

Step down transformer 52 is the same with dropping valve 3, and difference is: do not have the dropping valve 52 of housing to be contained in 11 li of preheating evaporators, have the dropping valve 3 of housing 96 to be connected with air feed angle valve 2.

Many with combustible gas automotive fuel device, be used for petrol engine, incendivity liquid liquefied petroleum gas and natural pressurized gas, gaseous state gas, save Fuel Petroleum, reduce fuel cost, with homemade liberation CA-10B type motor car engine is example, with liquefied petroleum gas (LPG) as the fuel ratio fuel saving expense 2/5 that uses gasoline for the fuel, about 70% nitrogen that gives off after the burning, 12% water vapour, 18% carbon dioxide gas, nonpoisonous and tasteless, non-stimulated, human body and other biology all there are not harm, because liquefied petroleum gas (LPG) and combustion of natural gas are more complete, comburant almost all becomes gas and discharges, therefore do not produce knot carbon substantially in the cylinder, can reduce cylinder, piston, piston ring, the ablation of spark plug is avoided in the wearing and tearing of component such as valve, in addition, gasoline is vaporific after entering cylinder, and liquefied petroleum gas (LPG) is a gaseous state, and the liquefied petroleum gas (LPG) gas of scurrying into sump can not resemble and water down the machine oil in the sump the gasoline and reduce lubricating ability.Can guarantee that bent axle, bearing and lubrication system obtain good lubricating all the time, therefore, the combustion fluid liquefied oil gas can prolong the working life of motor, reduces maintenance work and component expense thereof.

Claims (3)

1, use combustible gas automotive fuel device more, form, it is characterized in that by filter assembly 10, evaporation step down transformer assembly 11, solenoid valve 7, dropping valve 53 and mixer assembly 17 etc.:

A, enter electromagnetism filter assembly 10 by feed flow copper pipe 5 by liquid inlet joint 47 by feed flow angle valve 1, enter evaporation step down transformer assembly 11 by feed flow copper pipe 12 to liquid inlet joint 25 by the fluid joint 28 on the electromagnetism filter assembly 10, gas after the evaporation enters step down transformer 52 from solenoid valve 7, step down transformer 52 links to each other with air feed sebific duct 14 with air outlet adapter 53, arrive mixer assembly 17 through air input joint 87, enter motor

B, by air feed angle valve 2 through dropping valve 3, by air feed sebific duct 9 through air input joint 51 to vaporizer 11, by solenoid valve 7 through dropping valve 52 step-down once more, the air outlet adapter 53 of dropping valve 52 1 ends is connected with air feed sebific duct 14, to mixer assembly 17, enter motor by air input joint 87

C, gas enter Carburetor by the valve rod 88 and the valve seat 81 of 17 li of mixer assemblies.Idling gas enters Carburetor by idle bolt 77 through the tee union 91 of 72 li of idling pipes.

2, according to claim 1 many with combustible gas automotive fuel device, it is characterized in that: evaporation step down transformer assembly has annular economizer bank 50 for 11 li, and the liquid gas after the preheating enters epicoele 56 by vaporizer cavity of resorption 54 through passage 55.

3, according to claim 1 many with combustible gas automotive fuel device, it is characterized in that: valve rod 88 and the valve seat 81 of opening 17 li of mixer assemblies enter the Carburetor top, or valve rod 88 and the valve seat 81 of opening 17 li of mixer assemblies enter the Carburetor below.

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