CN2320803Y - Internal combustion engine using gas fuel changed by diesel engine - Google Patents
Internal combustion engine using gas fuel changed by diesel engine Download PDFInfo
- Publication number
- CN2320803Y CN2320803Y CN 98201644 CN98201644U CN2320803Y CN 2320803 Y CN2320803 Y CN 2320803Y CN 98201644 CN98201644 CN 98201644 CN 98201644 U CN98201644 U CN 98201644U CN 2320803 Y CN2320803 Y CN 2320803Y
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- pit
- combustion engine
- internal
- cylinder head
- diesel engine
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Abstract
The utility model relates to an internal combustion engine which uses gas fuel and is changed from a diesel engine, comprising a cylinder head and a piston. The utility model is characterized in that an original combustion chamber 2 formed by a cylinder head 1 and a piston 4 is expanded and provided with a spark ignition instrument; the combustion chamber 2 is composed of a pit 5 in the cylinder head and a pit 11 on the top of the piston, and the pit 5 and the pit 11 are partially overlapped; the pit 5 forms a hemisphere shape and the section of the pit 11 forms an omega shape. The utility model has the advantages that the content of harmful ingredient in exhaust air is evidently reduced, so the problem of exhaust pollution is effectively solved; the internal combustion engine is suitable for industry and communications and transportation, particularly for the areas where diesel oil is expensive and requirement for environmental protection is strict.
Description
The utility model relates to a kind of internal-combustion engine of using gases fuel, particularly a kind of internal-combustion engine that is become using gases fuel by diesel engine refitted.
Diesel engine is a kind of widely used internal-combustion engine, and its advantage is to use the life-span long, and the maintaining cost is low, and under the high strength use condition, above-mentioned advantage is particularly remarkable.But the shortcoming of diesel engine is that harmful components content is higher in the discharging waste gas, and environmental pollution is bigger.Traditional solution is to insert an electronic control system to reduce harmful components content in the discharging waste gas between the fuel supply system of motor and firing chamber.But because the character of diesel engine own is limit and factor such as operating conditions complexity, very difficult its emission pollution problem that solves effectively.
The utility model purpose provides and a kind ofly becomes the internal-combustion engine of using gases fuel, this internal combustion function to make that harmful components content significantly reduces in the discharging waste gas by diesel engine refitted, thereby has solved emission pollution problem effectively.Adopt this internal-combustion engine can also fuel saving and lube stock expense in addition.
The utility model is realized by following technological scheme.This internal-combustion engine includes cylinder head and piston, the firing chamber that forms between original cylinder head and the piston is enlarged, make and be fit to using gases fuel to reduce its compression ratio, and be equipped with spark ignition equipment, this spark ignition equipment can be the technical products that the spark ignition of existing petrol engine is used.Firing chamber after the expansion can be formed by adjacent biasing pit on the pit of the piston head of this internal-combustion engine and the cylinder head.Replaceable or revise original cylinder head, process the pit on this cylinder head thereon; According to required combustion chamber volume, both can use original piston, also can on original piston, process required pit.Between the pit of pit on the cylinder head and piston head, form and overlap.Lap between the pit of cylinder head pit and piston head can be less than the width of pit on the cylinder head.Lap on the cylinder head between the pit of pit and piston head equals three/for the moment of pit width on the cylinder head substantially, and effect is best.
Also can only change original piston head enlarging former combuster, and needn't on cylinder cap, process pit.Promptly only piston head is processed pit or the original pit of piston head is enlarged the firing chamber that formation enlarges.
Above-mentioned restructures, and can be used on single cylinder or the multi-cylinder engine.The fuel that uses can be rock gas or LPG or methyl alcohol.
Become the internal-combustion engine of using gases fuel by diesel engine refitted, also can be equipped with arrangements for speed regulation, with ignition mechanism, control gas valve jointly, to limit the rotating speed of this internal-combustion engine.
Do concrete introduction with steyr WD (STEYR WD) serial diesel engine as the embodiment who reequips below.
Fig. 1 is a generalized section of the present utility model,
Fig. 2 is the schematic top view of structure shown in Figure 1, the position relation between each pit of expression firing chamber, spark plug, inlet and exhaust valve,
Fig. 3 is the overlapping situation schematic representation between cylinder head pit and the piston head pit,
Fig. 4 is the speed governing of the internal-combustion engine after reequiping and the skeleton diagram of ignition mechanism,
Fig. 5 is the schematic representation that is provided with of speed regulator output and gas valve,
Fig. 6,7 and 8 is the schematic representation that former combuster is enlarged.
Be the structure of the firing chamber after the repacking as shown in Figure 1, 2, the expansion that between cylinder head 1 and piston 4, forms firing chamber 2, this firing chamber is formed by biasing pit 5 adjacent on the pit 11 at piston 4 tops and the cylinder head, cell 6 is near pit 5, spark plug 7 is installed in this cell 6, original inlet and exhaust valve 8,9 is positioned at the both sides of spark plug 7, has cooling jacket 10 on the cylinder head 1, the pit 11 of piston head can utilize the piston of the band pit of original steyr WD (STEYR WD) serial diesel engine, also original piston head pit processing can be enlarged.Cylinder head can be changed or revised, at the pit 5 that processes on the cylinder head 1 is pit 11 overlaid parts hemispheric and that cut shape with the Omega on the top 3 of piston 4 substantially, the shape of pit 5 and pit 11 and size all can change according to usage requirement, and diagram is only as the usefulness of giving an example.Be illustrated in figure 3 as on the cylinder head the overlapping situation of pit 11 on the pit 5 and piston head, width is between the pit 5 of D and the pit 11 one section overlap distance D1 to be arranged, and this overlap distance D1 is also littler than half of width D, and preferred D1 is about 1/3rd of D.The a kind of of speed governing that Fig. 4,5 uses for the utility model internal-combustion engine and ignition mechanism may form, this system comprises an engine speed and flywheel position transducer 20, a rotating speed electric pressure converter 21,22, one vacuum advance controlling devices 24 of a speed regulator output unit and a speed shift to an earlier date controlling device 25.Speed regulator output unit 22 control gas valves 23, device 24 and 25 and the spark coil 27 of SPOUT Spark Output 26 and engine spark plug can carry out information exchange.Speed regulator output unit 22 is noted rotating speed voltage, and the comparator 28 of device in 22 controlled relay J in the gas valve 23 by triode T, and removes to control this gas valve 23 by a solenoid valve F, to limit this internal-combustion engine rotational speed.Like this, the input of combustion gas just is subjected to the control of arrangements for speed regulation.
Fig. 6,7 and 8 is depicted as this firing chamber and various possible alter mode, is suitable for combustion gas fuel such as rock gas, LPG or methyl alcohol in order to reduce the original compression ratio of this diesel engine, to make.
Mode shown in Figure 6 is the firing chamber 2 that is formed by cylinder head pit 5 and piston head pit 11, but only changes on cylinder head 1, promptly processes a biasing pit 5 on cylinder head 1, and Omega shape pit 11 is that piston 4 tops are original.
Mode shown in Figure 7 is that the change of firing chamber 2 is only carried out on piston 4, does not make the change of relevant firing chamber on cylinder head 1 in addition.Firing chamber 2 is formed by the pit 11 of be positioned at piston 4 tops one Omega tee section that has strengthened, and dotted line is depicted as the pit of original piston head, does not have pit on cylinder head 1.Mode shown in Figure 8 is that firing chamber 2 is formed by pit on the cylinder head 5 and piston head pit 11, both changed piston 4, change cylinder head 1 again, change place is expanded into the pit 11 that shape is cut in the Omega for the biasing pit 5 that processes with at piston head with original pit processing on cylinder head 1, dotted line is depicted as the pit of original piston head.
In above-mentioned variety of way, all there is spark plug 7 to extend in the firing chamber 2.
Geng Gai diesel engine in a manner described, with steyr WD serial diesel engine is example, the change after the test, its combustion process is greatly improved, so that need not the electronic control system that is used to control discharge of noxious gases content is installed on this internal-combustion engine, can reach the emission standard of regulation; And the gaseous fuel expense that consumes is compared with diesel oil, also significantly descends; In addition, also prolonged the life time of lubricant oil.
In sum, the utility model adopts the measure that burning chamber of diesel engine is enlarged, and reduces its compression ratio; Be equipped with ignition mechanism, make it become the internal-combustion engine of energy using gases fuel, and outfit and ignition mechanism are united the control gear of use, thereby control its rotating speed to control its gas valve, and be that embodiment has illustrated various possible change modes with steyr WD (STEYR WD) serial diesel engine, the internal combustion function burning that makes this using gases fuel that becomes by diesel engine refitted fully, in toxic emission, harmful components content reduces significantly, thereby has solved the emission pollution problem of internal-combustion engine effectively.In addition, adopting gaseous fuel also can reduce the life-span of fuel cost and prolongation lubricant oil, also is desirable economically.
The utility model becomes the internal-combustion engine of using gases fuel to be suitable for industry, traffic transport industry use by diesel engine refitted, is suitable for especially expensive the reaching of diesel oil the area of environmental requirement strictness being used.
Claims (12)
1. become the internal-combustion engine of using gases fuel by diesel engine refitted, comprise cylinder head, piston, it is characterized in that: formed firing chamber between original cylinder head and the piston is enlarged, and be equipped with spark ignition device.
2. the internal-combustion engine that becomes using gases fuel by diesel engine refitted according to claim 1, it is characterized in that: the firing chamber after the described expansion is that the pit by biasing adjacent on the pit of piston head and the cylinder head is formed, and has formed the overlapping of part between the pit of pit on the cylinder head and piston head.
3. according to claim 2ly become the internal-combustion engine of using gases fuel, it is characterized in that by diesel engine refitted: form between the pit of pit on the described cylinder head and piston head overlapping less than cylinder head on the width of pit.
4. the internal-combustion engine that becomes using gases fuel by diesel engine refitted according to claim 3, it is characterized in that: what form between the pit of pit on the described cylinder head and piston head is overlapping, its width approximate pit on the cylinder head width 1/3rd.
5. according to claim 1ly become the internal-combustion engine of using gases fuel by diesel engine refitted, it is characterized in that: the firing chamber of described expansion is that the original pit by piston head enlarges and forms.
According in the claim 1 to 5 any one describedly become the internal-combustion engine of using gases fuel by diesel engine refitted, it is characterized in that: described internal-combustion engine has one or more cylinders.
According in the claim 1 to 5 any one describedly become the internal-combustion engine of using gases fuel by diesel engine refitted, it is characterized in that: also include the control gear that jointly controls this internal-combustion engine gas valve with ignition mechanism.
8. according to claim 6ly become the internal-combustion engine of using gases fuel, it is characterized in that: also include the control gear that jointly controls this internal-combustion engine gas valve with ignition mechanism by diesel engine refitted.
According in the claim 1 to 5 any one describedly become the internal-combustion engine of using gases fuel by diesel engine refitted, it is characterized in that: the cross section of the pit of described piston head is an Omega shape.
10. according to claim 6ly become the internal-combustion engine of using gases fuel by diesel engine refitted, it is characterized in that: the cross section of the pit of described piston head is an Omega shape.
11. according to each describedly becomes the internal-combustion engine of using gases fuel by diesel engine refitted in the claim 1 to 4, it is characterized in that: the pit on the described cylinder head is substantially hemisphere.
12. according to claim 6ly become the internal-combustion engine of using gases fuel by diesel engine refitted, it is characterized in that: the pit on the described cylinder head is substantially hemisphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201644 CN2320803Y (en) | 1998-02-27 | 1998-02-27 | Internal combustion engine using gas fuel changed by diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201644 CN2320803Y (en) | 1998-02-27 | 1998-02-27 | Internal combustion engine using gas fuel changed by diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2320803Y true CN2320803Y (en) | 1999-05-26 |
Family
ID=33958869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98201644 Expired - Fee Related CN2320803Y (en) | 1998-02-27 | 1998-02-27 | Internal combustion engine using gas fuel changed by diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2320803Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091215A (en) * | 2017-06-19 | 2017-08-25 | 河北纳德机械有限公司 | The air compressor machine reequiped based on diesel technology |
-
1998
- 1998-02-27 CN CN 98201644 patent/CN2320803Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091215A (en) * | 2017-06-19 | 2017-08-25 | 河北纳德机械有限公司 | The air compressor machine reequiped based on diesel technology |
| CN107091215B (en) * | 2017-06-19 | 2020-03-20 | 河北纳德机械有限公司 | Air compressor machine based on diesel engine repacking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: PEIXIN NATURAL GAS EQUIPMENT CO., LTD. Free format text: FORMER NAME OR ADDRESS: NEW ZEALAND TRANSPORTATION COMBUSTION SYSTEM CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Hongkong, China Patentee after: Pui sing natural gas equipment Co., Ltd. Address before: Auckland Patentee before: New Zealand transportation Combustion Systems Ltd |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |