CN104500202A - Structure of engine cooling system - Google Patents
Structure of engine cooling system Download PDFInfo
- Publication number
- CN104500202A CN104500202A CN201410703010.1A CN201410703010A CN104500202A CN 104500202 A CN104500202 A CN 104500202A CN 201410703010 A CN201410703010 A CN 201410703010A CN 104500202 A CN104500202 A CN 104500202A
- Authority
- CN
- China
- Prior art keywords
- water
- cylinder
- pump
- water jacket
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/021—Cooling cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/024—Cooling cylinder heads
Abstract
A structure of an engine cooling system comprises a cylinder body water jacket, a cylinder cover water jacket, a cylinder cushion, a water pump, an engine oil cooler and a booster. The structure of the engine cooling system is technically characterized in that the water pump is provided with a spoon-shaped water pump cavity and a thermostat, the water pump, the water pump cavity and the thermostat are communicated sequentially, the thermostat is respectively provided with a water pump water inlet I and a water pump water inlet II, and the water pump water inlet II is communicated with a heat radiator of a vehicle; the cylinder body water jacket is communicated with the water pump through a water inlet of the cylinder body water jacket, a water inlet pipe of the engine oil cooler, a water outlet pipe of the booster and a water outlet pipe of a heating system are respectively communicated with a water inlet pipe of the water pump, and the water inlet pipe of the water pump is communicated with the water pump water inlet I; the rear portion of the cylinder cover water jacket is provided with a water outlet of the cylinder cover water jacket, and the water outlet of the cylinder cover water jacket is communicated with a water inlet pipe of the booster. By the structure of the engine cooling system, the problems of high heat load of the cylinder cover, poor comprehensive performance and the like of existing engines are solved radically.
Description
Technical field
The present invention relates to field of internal combustion engine, particularly relate to engine pack, is a kind of engine cooling system structure specifically.
Background technique
Automobile industry market competition is more and more fierce, and motor, as the core component of automobile, not only requires that performance is remarkable, this wherein contains the power performance of motor, economic performance, and travelling comfort in addition etc. will meet national regulation, also will meet NBS in environmental protection; Particularly reduce the discharge of carbon dioxide, usually adopt the motor of small displacement, then use reinforcement technique to promote its performance, reach the object of energy-saving and emission-reduction with this.It is one of strengthening means of being widely adopted in recent years that turbocharging technology is applied on petrol engine.It is that the exhaust gas-driven turbine utilizing motor to discharge carries out supercharging to air inlet, reaches the object of many air inlets, the final power performance improving motor.But bring engine heat load greatly to increase thus, on the one hand the intensity of engine component is had higher requirement, the cooling system of motor will accomplish more excellent design on the other hand, reduce engine performance and promote the increase bringing heat load to part.
Summary of the invention
The object of this invention is to provide a kind of engine cooling system structure, fundamentally solve the problems such as available engine cylinder cap heat load is high, combination property is poor.
The technical solution adopted in the present invention is: this engine cooling system structure comprises cylinder body water jacket, be assemblied in the cylinder cover water jacket on cylinder body water jacket, be assemblied in the cylinder pad between cylinder body water jacket and cylinder cover water jacket, be assemblied in the water pump of cylinder body front portion, be assemblied in the machine oil cooler of cylinder body sidepiece inlet end, be assemblied in the pressurized machine on cylinder body, its technological points is: described water pump is provided with a spoonful shape water pump chamber, thermostat, water pump, water pump chamber is communicated with in turn with thermostat, thermostat is respectively equipped with pump intake I and pump intake II, pump intake II is connected with the radiator of car load, cylinder body water jacket is connected with water pump by cylinder body water jacket water intake, cylinder body water jacket front portion is provided with cylinder body water jacket water intake, cylinder body water jacket water intake is connected with machine oil cooler outlet pipe, machine oil cooler outlet pipe, pressurized machine outlet pipe are connected with pump water inlet respectively with warm air system outlet pipe, and pump water inlet is connected with pump intake I, cylinder cover water jacket rear portion is provided with cylinder cover water jacket water outlet, and cylinder cover water jacket water outlet is connected with pressurized machine intake pipe.
Described cylinder pad is provided with some cylinder pad water holes, and the cooling water chamber of cylinder cover water jacket is connected by cylinder pad water hole with the cooling water chamber of cylinder body water jacket.
The advantage that the present invention has and positive technique effect are: by the design of the cooling system structure of motor own, effectively reduce engine performance and promote to component, the especially heat load of cylinder cap.Make full use of the assignment of traffic of engine cylinder-body, cylinder cap, cylinder pad geometrical construction adjustment cooling water, realizing gray iron needs more effective cooling because heat load increases.Guide most of cooling water flow into heat load larger cylinder cap by the jacket structure for water of pump intake, ensure that cylinder cap is fully cooled.By arranging size and the position in water hole on cylinder pad, reaching the object effectively regulating cylinder cap and cylinder block cooling water flow velocity, ensureing that heat can be taken away rapidly by cooling water, promoting engine stabilization; Cylinder cover water jacket structure allows more cooling water flow to exhaust side, ensures that cylinder cap inlet and outlet side obtains Homogeneous cooling.Motor makes performance get a promotion by strengthening means, then is designed by cooling system structure, makes engine component obtain effective cooling and reduces heat load, greatly improve engine stabilizer reliability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is working principle schematic diagram of the present invention;
Fig. 2 is surface structure schematic diagram I of the present invention;
Fig. 3 is surface structure schematic diagram II of the present invention;
Fig. 4 is the surface structure schematic diagram of cylinder body water jacket of the present invention;
Fig. 5 is the surface structure schematic diagram of cylinder pad of the present invention;
Fig. 6 is assembling schematic diagram of the present invention.
In figure, sequence number illustrates: 1 cylinder body water jacket, 2 cylinder cover water jackets, 3 cylinder pads, 4 water pumps, 5 machine oil cooler, 6 pressurized machine intake pipes, 7 pressurized machine outlet pipes, 8 pump water inlets, 9 thermostats, 10 warm air system outlet pipes, 11 machine oil cooler intake pipes, 12 cylinder body water jacket water intakes, 13 pump intake water jackets, 14 cylinder pad water holes, 15 cylinder cover water jacket water outlets, 16 pump intake I, 17 pump intake II, 18 water pump chambeies, 19 machine oil cooler outlet pipes.
Embodiment
Concrete structure of the present invention is described in detail according to Fig. 1 ~ 6.This engine cooling system structure comprises cylinder body water jacket 1, the cylinder cover water jacket 2 be assemblied on cylinder body water jacket, be assemblied in the parts such as the cylinder pad 3 between cylinder body water jacket and cylinder cover water jacket, the water pump 4 being assemblied in cylinder body front portion, the machine oil cooler 5 being assemblied in cylinder body sidepiece inlet end, the pressurized machine be assemblied on cylinder body, cylinder pad 3 is provided with some cylinder pad water holes 14, the cooling water chamber of cylinder cover water jacket is connected by cylinder pad water hole with the cooling water chamber of cylinder body water jacket, and pump intake is provided with pump intake water jacket 13.Wherein, water pump is provided with a spoonful shape water pump chamber 18, thermostat 9, water pump 4, water pump chamber 18 are communicated with in turn with thermostat 9, and thermostat 9 is respectively equipped with pump intake I 16 and pump intake II 17, pump intake II 17 is connected with the rising pipe of the radiator of car load.Cylinder body water jacket 1 is connected by the water outlet of cylinder body water jacket water intake 12 with water pump 4, cylinder body water jacket 1 front portion is provided with cylinder body water jacket water intake 12, cylinder body water jacket water intake 12 is connected with machine oil cooler outlet pipe 11, machine oil cooler outlet pipe 19, pressurized machine outlet pipe 7 are connected with pump water inlet 8 respectively with warm air system outlet pipe 10, and pump water inlet 8 is connected with pump intake I 16.Cylinder cover water jacket 2 rear portion is provided with cylinder cover water jacket water outlet 15, and cylinder cover water jacket water outlet 15 is connected with pressurized machine intake pipe 6.
During engine operation, according to temperature and the operating path of cooling water, be divided into cool cycles I or claim motor short circle (in Fig. 1 dotted line), cool cycles II & III or claim motor major cycle (in Fig. 1 solid line).Cool cycles I to III is all realized by the unlatching of thermostat.Cool cycles I is formed between water pump and cylinder cap and warm braw or pressurized machine; Cool cycles II is formed between water pump, cylinder cap, radiator, thermostat; Cool cycles III is formed between water pump, gray iron, radiator, thermostat.Be described in detail below in conjunction with each parts and pipeline.
, engine cooling circulation I:as cooling water temperature < 83 DEG C, thermostat 9 is in closed condition.Cooling water is through water pump chamber 18, and most of cooling water flows into cylinder cover water jacket 2, and fraction flows into cylinder body water jacket 1, and the cooling water of cylinder body water jacket 1, from respectively in one to four cylinder outer rim longitudinal flow, cools to cylinder body water jacket 1.The water hole 14 of a part of cooling water on cylinder pad 3 of cylinder body water jacket flows into cylinder cover water jacket 2, at the rear portion (the 4th cylinder) of cylinder cover water jacket 2, after cylinder body water jacket 1 and the cooling water in cylinder cover water jacket 2 converge, flow out from cylinder cover water jacket water outlet 15, flow to pressurized machine respectively, warm air system is lowered the temperature to appropriate section, after pump water inlet 8 converges, pump intake I 16 is flowed to again respectively through pressurized machine outlet pipe 7 and warm air system outlet pipe 10, a part for pump water inlet 8 has the cooling water ingress engine oil cooler 5 simultaneously of higher temperature, heating to machine oil pipeline prevents winter from freezing, then cylinder body water jacket 1 is entered by cylinder body water jacket water intake 12 after converging with water pump water outlet pipeline.
, engine cooling circulation II & III:as cooling water temperature > 83 DEG C, thermostat 9 is in semi-open state, the cooling water flowed out via cylinder cover water jacket water outlet 15 enters car load radiator (not shown in Fig. 2 ~ 6) simultaneously, to increase heat radiation, flow to the cooling water collected through pump water inlet 8 in the cooling water of car load radiator and cool cycles I, final converging at thermostat 9 place enters water pump, completes whole cool cycles.Thermostat the cooling water flow of controllable flow through car load radiator is set.When cooling water temperature reaches 95 ° of C, thermostat becomes full-gear, and the cooling water through radiator reaches geometry peak rate of flow.
Claims (2)
1. an engine cooling system structure, comprise cylinder body water jacket, the cylinder cover water jacket be assemblied on cylinder body water jacket, be assemblied in the cylinder pad between cylinder body water jacket and cylinder cover water jacket, the water pump being assemblied in cylinder body front portion, the machine oil cooler being assemblied in cylinder body sidepiece inlet end, the pressurized machine be assemblied on cylinder body, it is characterized in that: described water pump is provided with a spoonful shape water pump chamber, thermostat, water pump, water pump chamber are communicated with in turn with thermostat, thermostat is respectively equipped with pump intake I and pump intake II, pump intake II is connected with the radiator of car load; Cylinder body water jacket is connected with water pump by cylinder body water jacket water intake, cylinder body water jacket front portion is provided with cylinder body water jacket water intake, cylinder body water jacket water intake is connected with machine oil cooler outlet pipe, machine oil cooler intake pipe, pressurized machine outlet pipe are connected with pump water inlet respectively with warm air system outlet pipe, and pump water inlet is connected with pump intake I; Cylinder cover water jacket rear portion is provided with cylinder cover water jacket water outlet, and cylinder cover water jacket water outlet is connected with pressurized machine intake pipe.
2. engine cooling system structure according to claim 1, is characterized in that: described cylinder pad is provided with some cylinder pad water holes, and the cooling water chamber of cylinder cover water jacket is connected by cylinder pad water hole with the cooling water chamber of cylinder body water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410703010.1A CN104500202A (en) | 2014-11-29 | 2014-11-29 | Structure of engine cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410703010.1A CN104500202A (en) | 2014-11-29 | 2014-11-29 | Structure of engine cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500202A true CN104500202A (en) | 2015-04-08 |
Family
ID=52941641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410703010.1A Pending CN104500202A (en) | 2014-11-29 | 2014-11-29 | Structure of engine cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500202A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368847A (en) * | 2016-08-31 | 2017-02-01 | 长沙熙迈机械制造有限公司 | Daimler cylinder cover thermal treatment process radiating system |
| CN110985183A (en) * | 2019-12-31 | 2020-04-10 | 广西玉柴机器股份有限公司 | Engine with top-down cooling structure |
| CN111894721A (en) * | 2020-07-08 | 2020-11-06 | 东风商用车有限公司 | Engine cooling system |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020043224A1 (en) * | 2000-10-02 | 2002-04-18 | Wolfgang Richter | Thermostatic valve |
| CN103362623A (en) * | 2012-04-10 | 2013-10-23 | 现代自动车株式会社 | Engine cooling system, electronic thermostat control system and control method for the same |
| CN203308560U (en) * | 2013-05-30 | 2013-11-27 | 长城汽车股份有限公司 | Engine cooling recirculation system, and corresponding engine and automobile |
| CN203626939U (en) * | 2013-10-31 | 2014-06-04 | 长城汽车股份有限公司 | Cooling system of engine and engine |
| CN204357547U (en) * | 2014-11-29 | 2015-05-27 | 华晨汽车集团控股有限公司 | Engine cooling system structure |
-
2014
- 2014-11-29 CN CN201410703010.1A patent/CN104500202A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020043224A1 (en) * | 2000-10-02 | 2002-04-18 | Wolfgang Richter | Thermostatic valve |
| CN103362623A (en) * | 2012-04-10 | 2013-10-23 | 现代自动车株式会社 | Engine cooling system, electronic thermostat control system and control method for the same |
| CN203308560U (en) * | 2013-05-30 | 2013-11-27 | 长城汽车股份有限公司 | Engine cooling recirculation system, and corresponding engine and automobile |
| CN203626939U (en) * | 2013-10-31 | 2014-06-04 | 长城汽车股份有限公司 | Cooling system of engine and engine |
| CN204357547U (en) * | 2014-11-29 | 2015-05-27 | 华晨汽车集团控股有限公司 | Engine cooling system structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368847A (en) * | 2016-08-31 | 2017-02-01 | 长沙熙迈机械制造有限公司 | Daimler cylinder cover thermal treatment process radiating system |
| CN106368847B (en) * | 2016-08-31 | 2018-08-03 | 长沙熙迈机械制造有限公司 | A kind of Daimler cylinder cap heat treatment process cooling system |
| CN110985183A (en) * | 2019-12-31 | 2020-04-10 | 广西玉柴机器股份有限公司 | Engine with top-down cooling structure |
| CN111894721A (en) * | 2020-07-08 | 2020-11-06 | 东风商用车有限公司 | Engine cooling system |
| CN111894721B (en) * | 2020-07-08 | 2021-06-08 | 东风商用车有限公司 | Engine cooling system |
| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |