CN104989545A - Multifunctional timing gear chamber dual cycle cooling system of diesel engine - Google Patents
Multifunctional timing gear chamber dual cycle cooling system of diesel engine Download PDFInfo
- Publication number
- CN104989545A CN104989545A CN201510390284.4A CN201510390284A CN104989545A CN 104989545 A CN104989545 A CN 104989545A CN 201510390284 A CN201510390284 A CN 201510390284A CN 104989545 A CN104989545 A CN 104989545A
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- China
- Prior art keywords
- timing gear
- housing
- cooling
- outlet pipe
- timing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/007—Adaptations for cooling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a multifunctional timing gear chamber dual cycle cooling system of a diesel engine. The multifunctional timing gear chamber dual cycle cooling system comprises a timing gear chamber. One side of the timing gear chamber is connected with an engine body which is connected with a cylinder cover. The cylinder cover is connected with a large circular water outlet pipe. A small circular water outlet pipe is connected to the left edge of the cylinder cover. The timing gear chamber is connected with the small circular water outlet pipe. A timing gear chamber cover is arranged on the other side face of the timing gear chamber and connected with a water pump. The multifunctional timing gear chamber dual cycle cooling system is compact in structure, smaller in size and low in weight, improves the matching applicability of the diesel engine, and reduces the cost of the diesel engine.
Description
Technical field
The invention belongs to technical field of internal combustion engines, particularly a kind of diesel engine machine multifunctional housing for timing gear dual cycle cooling system.
Background technique
Although the defects such as it is large that internal-combustion engine himself exists noise, seriously polluted, possess the advantages such as the thermal efficiency is high, power character is excellent, power range is broad, reliable durable, have been widely used in industry, agricultural, communications and transportation and national defense construction cause due to it.Current environmental pollution is on the rise, Harmful Emissions of Diesel Engine receives the great attention of people to the harm that environment causes, common rail diesel engine uses cooling EGR+DOC+POC effectively can reduce NOX and generates, and transforms particle, and reduces the discharge amount of CO, HC further.But DOC+POC, as reducing the after-treatment device of diesel emission, occupies space and weight, therefore require that diesel engine the machine structure is compact and reduce weight further.
Multi-functional housing for timing gear is one of basis of whole diesel engine, is one of principal element determining overall performance, strengthening ability and reliability, is again the basis that whole timing gear system is installed simultaneously.Timing gear system comprises bent axle master gear, main idle pulley gear, camshaft gas wiring gear, fuel injection pump gear, water pump gear, oil pump idle gear and oil pump gear.Bent axle master gear, the number of teeth between camshaft gas wiring gear and fuel injection pump gear and phase relationship determine the valve timing of whole diesel engine, namely control the time relationship of the air inlet of whole diesel engine, exhaust and fuel feeding.The water pump of traditional diesel engine cooling system is by belt transmission, and this kind of structure exists many defects.
Summary of the invention
The present invention provides a kind of compact structure for solving in known technology the technical problem that exists, volume reduces, lightweight, to improve diesel engine coupling applicability, reduces the diesel engine machine multifunctional housing for timing gear dual cycle cooling system of the complete machine cost of diesel engine simultaneously.
The technological scheme that the present invention takes for the technical problem existed in solution known technology is:
A kind of diesel engine machine multifunctional housing for timing gear dual cycle cooling system, comprise housing for timing gear, a connecting engine body of described housing for timing gear, described engine body is connected with cylinder cap, described cylinder cap connects major cycle outlet pipe, and described housing for timing gear is provided with major cycle mounting hole; The described cylinder cap left side connects short circle outlet pipe, and described housing for timing gear connects above-mentioned short circle outlet pipe, and described housing for timing gear is provided with short circle mounting hole; Timing-gear chamber cover is installed in the another side of described housing for timing gear, and described timing-gear chamber cover is connected with water pump;
Above-mentioned housing for timing gear is connected with the water intake of engine body, described housing for timing gear top is connected with short circle outlet pipe simultaneously, the cooling water that such water pump drinks up directly enters engine block cooling, the water of engine block enters Cooling of Cylinder Head again, if during the open temp that the cooling water temperature having cooled cylinder cap sets lower than thermostat, thermostat closes, cooling water flows to the top of housing for timing gear by the short circle outlet pipe on cylinder cap, cooling water flows to water pump by housing for timing gear top, cooling water is sucked engine block by housing for timing gear by water pump more again, such formation short circle cooling circuit, if when the cooling water temperature having cooled cylinder cap is higher than thermostat open temp, thermostat is opened, cooling water flows to water tank by the major cycle outlet pipe on cylinder cap, cooling water enters water pump again after water tank cooling, cooling water is sucked engine block by housing for timing gear by water pump more again, forms a major cycle cooling circuit like this.
The advantage that the present invention has and good effect are: the present invention adopts technique scheme, namely by design two cyclic processes, the present invention completes by the passage on multifunctional gear room the function that water pump enters backwater, make compact integral structure, volume reduces, reduce complete machine weight, reduce complete machine cost simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is housing for timing gear structural representation.
In figure: 1, multi-functional timing room, 1-1, major cycle mounting hole; 1-2, short circle mounting hole; 2. body, 3. timing-gear chamber cover, 4. water pump, 5. short circle outlet pipe, 6. cylinder cap, 7. major cycle outlet pipe.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 and Fig. 2, a kind of diesel engine machine multifunctional housing for timing gear dual cycle cooling system, comprise housing for timing gear 1, a connecting engine body 2 of described housing for timing gear, described engine body is connected with cylinder cap 6, described cylinder cap 6 connects major cycle outlet pipe 7, described housing for timing gear is provided with major cycle mounting hole 1-1, described cylinder cap 6 left side connects short circle outlet pipe 5, described housing for timing gear connects above-mentioned short circle outlet pipe 5, and described housing for timing gear is provided with short circle mounting hole 1-2; Timing-gear chamber cover 3 is installed in the another side of described housing for timing gear, and described timing-gear chamber cover 3 is connected with water pump 4;
Above-mentioned housing for timing gear 1 is connected with the water intake of engine body, described housing for timing gear 1 top is connected with short circle outlet pipe 5 simultaneously, the cooling water that such water pump drinks up directly enters engine block cooling, the water of engine block enters cylinder cap 6 again and cools, if during the open temp that the cooling water temperature having cooled cylinder cap sets lower than thermostat, thermostat closes, cooling water flows to the top of housing for timing gear by the short circle outlet pipe on cylinder cap, cooling water flows to water pump by housing for timing gear top, cooling water is sucked engine block by housing for timing gear by water pump more again, such formation short circle cooling circuit, if when the cooling water temperature having cooled cylinder cap is higher than thermostat open temp, thermostat is opened, cooling water flows to water tank by the major cycle outlet pipe on cylinder cap, cooling water enters water pump again after water tank cooling, cooling water is sucked engine block by housing for timing gear by water pump more again, forms a major cycle cooling circuit like this.
The water pump of diesel engine cooling system of the present invention is by gear transmission, therefore multi-functional timing goes out to take turns room not only will increase water pump gear, also to increase the water inlet and outlet passage of water pump, be arranged on the cooling water that water pump that multi-functional housing for timing gear covers drinks up and enter body cooling water inlet by the passage on multi-functional housing for timing gear, the cooling water having cooled body enters cylinder cap again, if cooled the cooling water temperature of cylinder cap lower than thermostat open temp, thermostat closes, cooling water flows to multi-functional timing room upper channel by the short circle outlet pipe on cylinder cap and flows back to water pump again, cooling water is sucked body by multi-functional timing room by water pump more again, this completes a short circle cooling procedure, this process completes by the passage on multifunctional gear room the function that water pump enters backwater, make compact integral structure, volume reduces, reduce complete machine weight, reduce complete machine cost simultaneously.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (1)
1. a diesel engine machine multifunctional housing for timing gear dual cycle cooling system, comprise housing for timing gear, a connecting engine body of described housing for timing gear, described engine body is connected with cylinder cap, described cylinder cap connects major cycle outlet pipe, and described housing for timing gear is provided with major cycle mounting hole; The described cylinder cap left side connects short circle outlet pipe, and described housing for timing gear connects above-mentioned short circle outlet pipe, and described housing for timing gear is provided with short circle mounting hole; Timing-gear chamber cover is installed in the another side of described housing for timing gear, and described timing-gear chamber cover is connected with water pump;
Above-mentioned housing for timing gear is connected with the water intake of engine body, described housing for timing gear top is connected with short circle outlet pipe simultaneously, the cooling water that such water pump drinks up directly enters engine block cooling, the water of engine block enters Cooling of Cylinder Head again, if during the open temp that the cooling water temperature having cooled cylinder cap sets lower than thermostat, thermostat closes, cooling water flows to the top of housing for timing gear by the short circle outlet pipe on cylinder cap, cooling water flows to water pump by housing for timing gear top, cooling water is sucked engine block by housing for timing gear by water pump more again, such formation short circle cooling circuit, if when the cooling water temperature having cooled cylinder cap is higher than thermostat open temp, thermostat is opened, cooling water flows to water tank by the major cycle outlet pipe on cylinder cap, cooling water enters water pump again after water tank cooling, cooling water is sucked engine block by housing for timing gear by water pump more again, forms a major cycle cooling circuit like this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390284.4A CN104989545A (en) | 2015-07-06 | 2015-07-06 | Multifunctional timing gear chamber dual cycle cooling system of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390284.4A CN104989545A (en) | 2015-07-06 | 2015-07-06 | Multifunctional timing gear chamber dual cycle cooling system of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989545A true CN104989545A (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390284.4A Pending CN104989545A (en) | 2015-07-06 | 2015-07-06 | Multifunctional timing gear chamber dual cycle cooling system of diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104989545A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351120A (en) * | 2015-11-27 | 2016-02-24 | 天津雷沃动力有限公司 | Diesel engine complex function air intake manifold and cooling circulation system thereof |
| CN109209599A (en) * | 2018-09-13 | 2019-01-15 | 湖北谊立舜达动力科技有限公司 | A kind of multi-functional housing for timing gear dual cycle cooling system of diesel engine |
| CN114526170A (en) * | 2022-03-09 | 2022-05-24 | 广西玉柴机器股份有限公司 | V-shaped diesel engine cylinder body water jacket structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238321Y (en) * | 1994-12-31 | 1996-10-23 | 长沙汽车发动机总厂 | Gasoline engine |
| US20020073951A1 (en) * | 2000-12-15 | 2002-06-20 | Deere & Company, A Delaware Corporation | Engine timing gear cover with integral coolant flow passages |
| CN101240754A (en) * | 2008-03-18 | 2008-08-13 | 昆明理工大学 | Horizontal diesel engine cooling water-inlet chamber |
| CN201209472Y (en) * | 2008-06-13 | 2009-03-18 | 安徽江淮汽车股份有限公司 | Cooling system of gasoline engine |
| CN102782278A (en) * | 2009-12-31 | 2012-11-14 | 马来西亚国家石油公司 | Coolant pump and ducts arrangement of an engine |
| CN204900096U (en) * | 2015-07-06 | 2015-12-23 | 天津雷沃动力有限公司 | Two circulative cooling systems in multi -functional timing gear room of diesel engine |
-
2015
- 2015-07-06 CN CN201510390284.4A patent/CN104989545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238321Y (en) * | 1994-12-31 | 1996-10-23 | 长沙汽车发动机总厂 | Gasoline engine |
| US20020073951A1 (en) * | 2000-12-15 | 2002-06-20 | Deere & Company, A Delaware Corporation | Engine timing gear cover with integral coolant flow passages |
| CN101240754A (en) * | 2008-03-18 | 2008-08-13 | 昆明理工大学 | Horizontal diesel engine cooling water-inlet chamber |
| CN201209472Y (en) * | 2008-06-13 | 2009-03-18 | 安徽江淮汽车股份有限公司 | Cooling system of gasoline engine |
| CN102782278A (en) * | 2009-12-31 | 2012-11-14 | 马来西亚国家石油公司 | Coolant pump and ducts arrangement of an engine |
| CN204900096U (en) * | 2015-07-06 | 2015-12-23 | 天津雷沃动力有限公司 | Two circulative cooling systems in multi -functional timing gear room of diesel engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351120A (en) * | 2015-11-27 | 2016-02-24 | 天津雷沃动力有限公司 | Diesel engine complex function air intake manifold and cooling circulation system thereof |
| CN109209599A (en) * | 2018-09-13 | 2019-01-15 | 湖北谊立舜达动力科技有限公司 | A kind of multi-functional housing for timing gear dual cycle cooling system of diesel engine |
| CN109209599B (en) * | 2018-09-13 | 2020-10-02 | 湖北谊立舜达动力科技有限公司 | Multifunctional timing gear chamber double-circulation cooling system of diesel engine |
| CN114526170A (en) * | 2022-03-09 | 2022-05-24 | 广西玉柴机器股份有限公司 | V-shaped diesel engine cylinder body water jacket structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 300402 Beichen science and Technology Park, Beichen District, high tech Avenue, No. 77, No. Applicant after: Tianjin LOVOL Engine Co. Ltd. Address before: 300402 Beichen science and Technology Park, Beichen District, high tech Avenue, No. 77, No. Applicant before: Tianjin Lovol Engines Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |
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| RJ01 | Rejection of invention patent application after publication |