CN2602179Y

CN2602179Y - Fuel feeding system for diesel engine

Info

Publication number: CN2602179Y
Application number: CN 02281516
Authority: CN
Inventors: 翟宝明
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-02
Filing date: 2002-12-02
Publication date: 2004-02-04
Anticipated expiration: 2012-12-02

Abstract

The utility discloses a diesel fuel-feeding system, consisting of two sets of separate fuel-storing and fuel-feeding systems storing diesel oil with a high index and a low index respectively. When a diesel is started, an attemperator and a heating apparatus can cause to melt the concretionary diesel oil with the high index and feed an engine lastingly. Compared with the prior art, the utility model is capable of using diesel oil with the high index all the year around, thereby achieving the cost saving and preventing the engine from getting cold suddenly for weather-related reasons and the failure to start the engine. The utility is simple in structure and applicable to varieties of diesel engines.

Description

A kind of confession oil-fired system of diesel engine

The utility model belongs to diesel engine fuel feeding technological facilities, is specifically related to a kind of diesel engine that allows and uses high model easily to solidify the device of diesel systems.

The fuel system for diesel engine that uses is owing to the device that does not prevent from because of low temperature fuel oil to be solidified at present, the following deficiency will be arranged: 1, in the winter time the time, when southern diesel car reaches the north, must change low model diesel oil, in case the fuel oil in the pipeline can't be driven a vehicle because of solidifying.2, weather changes easily suddenly cold when season in spring and autumn, will cause fuel oil in the pipeline to solidify and can't launching trolley.3, during summer, diesel engine can only be with No. 0 diesel oil, can not fuel cost can not fallen with the diesel oil of higher model again.4, during winter, northern diesel engine can only be used-35 models or following diesel oil, and fuel cost is increased.

The purpose of this utility model provides a kind of diesel engine that allows at all seasons can both be with the device of diesel oil more than No. 0 or No. 0.

The technical solution adopted in the utility model is: a kind of confession oil-fired system of diesel oil overlaps independently oil storage by two and fuel transfer system is formed.A cover fuel tank internal therein has heating and thermal insulation apparatus.This fuel tank leads to the transport pipe of motor, and oil is filtered and switch all has heating and thermal insulation apparatus.The low model diesel oil of the utility model utilization is not easy the principle of solidifying at a certain temperature, does not solidify when subzero 30 spend as negative No. 35 diesel oil.In the time of in the winter time, what deposit in the A fuel tank is negative No. 35 diesel oil.What deposit in the B fuel tank is diesel oil more than No. 0 or No. 0.When diesel engine starting, with be negative No. 35 liquid diesel in the A fuel tank, at engine start after a period of time, heat by No. 0 diesel oil among the heating system oil dropping apparatus B or the transport pipe that solidifies diesel oil and B fuel tank more than No. 0 and oil filter, the heating a period of time after, in the B fuel tank and the diesel oil in the oil circuit all become liquid condition by curdled appearance.Beginning is to engine long time fuel feeding.Before killing engine, allow motor with the diesel oil in a period of time A fuel tank again, the liquid diesel that makes the high pressure oil pump and the oil nozzle of its motor and advance, all be full of in the return line low model with convenient ato unit next time, thereby reaches the purpose of using height diesel oil.The contrast prior art the utlity model has following advantage: 1, the diesel oil that diesel car or train can use No. 0 throughout the year or 0 model is above.And only starting and when flame-out, with the diesel oil of low model, so can reach the purpose of the high model diesel oil of long-term use.2, in spring or autumn and winter, be low model diesel oil owing to what in the A fuel tank, deposit, the cataclysm so can there not be one night of vehicle parking owing to weather makes vehicle beat non-ignitable phenomenon.3, southern diesel car or train can all not changed the waste that high model diesel oil causes because of reaching the north.4,, thereby can not reach the phenomenon that the temperature difference that the mountain top exists causes the vehicle cisco unity malfunction at the bottom of the mountain because of vehicle in the high mountain area.The utility model is simple in structure, and is easy for installation, is fit to various diesel engines and uses.

Further specify structure of the present utility model below in conjunction with drawings and embodiments.

Books 1, Fig. 2 are structure diagram of the present utility model.

The principle of the utility model foundation: the low number diesel oil that solidifying point is low, when temperature was higher than its solidifying point, it did not solidify and still is liquid.When subzero 30 spent, it did not solidify as negative No. 35 diesel oil.Before engine start, and when starting, motor is used is diesel oil in the low number A fuel tank that does not solidify, when engine running after a period of time, make fuel tank by heating equipment at another group B, the diesel oil that solidifies in oil pipe and the oil filter, dissolving becomes liquid diesel, rotation by the triple valve switch makes the diesel oil in the B fuel tank use for motor, and before killing engine, rotate by triple valve again, allow motor use the diesel oil that hangs down in the model A fuel tank again, after running a period of time, make in the oil pump and high-pressure oil pipe of motor, and what be full of in high-pressure service pump and oil nozzle and the return tube all is the diesel oil of low model, thereby reaches the purpose of the high model diesel oil of long-term use.

Mode of execution is that a cover oil storage of original diesel engine and fuel transfer system are comprised that fuel tank, oil barrier switch, transport pipe and oil filter are increased to two and overlap independently oil storage and fuel transfer system.At first the fuel tank A in the first original cover system is fixed on by vehicle frame or the motor, afterwards the filler opening of oil filter 4 is linked into an integrated entity by the oil outlet of transport pipe 3 with the oil barrier switch 2 of fuel tank.Afterwards, the oil outlet and the transport pipe 5 of oil filter 4 are coupled together, a filler opening on the frame 6 of the other end of transport pipe 5 and a triple valve is connected again, and the other end oil outlet E of triple valve is connected with return tube with the oil pump of motor.Again among the second fuel tank B that overlaps in the oil storage system independently enter heating pipe 19 and temp controller 21 being installed.Again thermal insulating material on the outer packaging of

fuel tank B

13,20, fuel tank B is fixed on by vehicle frame or the motor.Heating pipe 19 has two to go out end on the frame 14 of fuel tank B respectively.The C that is that goes out end, but the heat dissipation circulating system of sending and receiving motivation and as water intake; Another goes out to hold oil outlet 15 and oil barrier switch 16 and the transport pipe 17 of heating pipe 18 near fuel tank, the other end 11 of transport pipe 17 is connected with the filler opening of oil filter 10, the other end oil outlet of oil filter 10 is connected by another filler opening on the frame 6 of transport pipe 9 and triple valve, temp controller 21 and heating pipe 19 and transport pipe 8,11 and oil filter 10 and triple valve closely close.Be beneficial to heat them.Being bundled together with thermal insulating material 9,20 near together transport pipe and heating pipe, oil filter and triple valve.Help preventing that heat from shedding.One end D of the heating pipe that wears out from the adiabator layer of triple valve can be connected with the water outlet of the heat dissipation circulating system of motor.The oil pipe of above-mentioned two covers is fixed with oil filter and triple valve, in fuel tank A, add subzero diesel oil to its inside by oil filler 1, both low number diesel oil or claim low model diesel oil, in fuel tank B by oil filler 12 to its inner diesel oil that adds high-solidification point both height diesel oil or claim high model diesel oil.The oil outlet tube E of the return tube of the filler opening of the oil transfer pump of the diesel engine that assembles or high-pressure service pump and oil nozzle and triple valve end is linked together, before ato unit, there is the action center body 7 of conduit to forward position shown in Figure 1 to the inside of triple valve.The direction that arrow refers among the figure is the direction that diesel oil flows.

In the winter time during engine start, owing to all be the liquid diesel of hanging down model in the high pressure oil pump of fuel tank A, transport pipe and oil filter and motor and the oil nozzle, so motor can start easily.After the startup, the hot water by engine cooling system number solidifies diesel oil to the height of the second cover fuel reserve tank B and oil pipe, oil filter and oil barrier switch and three road valve internals and is heated to be liquid, with the temperature of temp controller control heating.Afterwards, triple valve inside there is the action center body 7 of conduit, forwards the position shown in the figure two to, allow the engine long time with the diesel oil that is heated to form liquid in the height B fuel tank.Before will killing engine, again the centerbody 7 of triple valve is rotated back into position shown in Figure 1, allow low number liquid diesel among the engine oil case A.After running a period of time, when be full of in oil transfer pump, transport pipe, high-pressure service pump, oil nozzle and the return tube of diesel engine all be low number diesel oil in the A fuel tank of liquid the time, both can kill engine, to guarantee normally starting of it next time.With the opening and closing of rear engine, can realize allowing the engine long time use the purpose of height diesel oil running according to the aforesaid operations rules.

Heating pipe can be the water heating, also can be electric heating, heating pipe and temp controller can be installed in the inside of fuel tank B, also can be installed in the outside of fuel tank B, also can allow fuel tank B near the motor heating, electric heating also can allow the electric heating wire of isolation layer heat in the inside of transport pipe, also can be not according to the dress temperature controlling device in transport pipe and the oil filter, two fuel tanks that overlap in the oil storage system independently can respectively be one, can respectively be a plurality of also.Equally, transport pipe also can respectively be many, and used thermal insulating material can be foamed plastics such as asbestos, glass wool, polystyrene, PVC, urine aldehyde, polyamine ester or for this spongy rubber of joy etc.Purpose with temp controller is to prevent that temperature is too high and low excessively, and used temp controller can be made also and can buy.Triple valve can be bought in market and make, and its performance requirement has one can control three conduits that connect together by movable valve in the middle of being.When the valve of activity rotates, wherein two conduits are connected and another and it two can't be connected.

Claims

1, a kind of confession oil-fired system of diesel engine is connected with the fuel pump of diesel engine through a triple valve by defeated fuel pipe by two storage fuel tanks (A and B) and constitutes its feature

On the storage fuel tank (B) in two storage fuel tanks (A and B) of diesel engine heating and thermal insulation apparatus are arranged, storage fuel tank (A) is connected with a filler opening of triple valve by defeated fuel pipe, storage fuel tank (B) has the defeated fuel pipe of heat insulation and preservation device to be connected with another filler opening of triple valve by the outside, the oil outlet of triple valve is connected with the fuel pump of diesel engine.

2, the confession oil-fired system of a kind of diesel engine according to claim 1, it is characterized in that storing up fuel tank has temperature control apparatus.

3, the confession oil-fired system of a kind of diesel engine according to claim 1 is characterized in that defeated fuel pipe has temperature control apparatus.

4, according to claim 1 more a kind of confession oil-fired system of oily machine is characterized in that triple valve has temperature control apparatus.