CN110397486A - Four-stroke gasoline engine lubrication system with impeller pump - Google Patents
Four-stroke gasoline engine lubrication system with impeller pump Download PDFInfo
- Publication number
- CN110397486A CN110397486A CN201910825364.6A CN201910825364A CN110397486A CN 110397486 A CN110397486 A CN 110397486A CN 201910825364 A CN201910825364 A CN 201910825364A CN 110397486 A CN110397486 A CN 110397486A
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- engine
- impeller pump
- rotor
- 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
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 78
- 239000010721 machine oil Substances 0.000 claims abstract description 18
- 239000010687 lubricating oil Substances 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000010705 motor oil Substances 0.000 abstract description 17
- 230000001050 lubricating effect Effects 0.000 abstract description 11
- 239000003595 mist Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0238—Rotary pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0488—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to four-stroke gasoline engine technical fields, specifically, it is related to a kind of four-stroke gasoline engine lubrication system with impeller pump, the lubrication system includes an impeller pump combination with oil suction, pump oil function, relative to passing, four-stroke gasoline engine lubrication system is splashed by oil, shift fork, the forms such as vibration form lubricant mist and lubricate, the lubrication system can independently lubricate engine according to specific lubrication route and lubricating system by the pump oil function that impeller pump combines first is that can realize that lubricating oil is detached from the limitation of engine negative pressure condition；Second is that engine oil gas separation chamber can be connected to composition circuit by the lubrication system with engine oil chamber, so that engine oil gas, which is separated indoor machine oil, is recycled to oil storage room, reduces engine motor oil consumption, reduce the discharge of engine harmful substance.
Description
Technical field
The present invention relates to four-stroke gasoline engine technical fields, in particular to a kind of four stroke vapour with impeller pump
Oil machine lubrication system.
Background technique
The lubricating system of current four-stroke gasoline engine is mainly splashed by oil, shift fork, the forms formation lubricating oil such as vibration
Mist, the lubricant mist of generation are distributed in mist of oil needed for engine in the case where engine piston reciprocating motion is formed by suction function
Position, because engine oil storage chamber internal pressure is fluctuation pressure, therefore the lubricating system needs to increase part check valve, check valve one
As be rubber parts, check valve failure easy to aging under high temperature environment for a long time, and when machine oil is there are when impurity, check valve is easily
Blocking failure.And at present in the lubricating system of four-stroke gasoline engine, Oil-gas Separation room is generally connected to engine aspirating system, spray
Partial lubrication mist of oil out enters combustion chamber with fuel mixture and is consumed, cause which engine lubrication oilconsumption compared with
Greatly, also increase the discharge of engine harmful substance, therefore, it is necessary to a kind of the operation is stable, can sufficiently will be in Oil-gas Separation room
Separated lubricating oil resorption reduces the lubrication system of engine lubrication oilconsumption, to oil storage room to meet the profit of engine
Sliding and reduction emission request.
Summary of the invention
Purpose disclosed by the invention includes, for example, providing a kind of four-stroke gasoline engine lubrication system with impeller pump, containing
Have one with oil suction, pump oil function rotor pump structure, it can be achieved that lubricating oil be detached from engine negative pressure condition limitation, Neng Goutong
The pump oil function of crossing impeller pump independently lubricates engine according to specific lubrication route and lubricating system, and the lubrication knot
Engine oil gas separation chamber can be connected to composition circuit by structure with engine oil chamber, be recycled so that engine oil gas is separated indoor machine oil
To oil storage room, reduce engine motor oil consumption, to reduce the discharge of engine harmful substance.
Embodiment disclosed by the invention is achieved in that
The technical solution adopted by the present invention is that:
A kind of four-stroke gasoline engine lubrication system with impeller pump, including side cover main body 1, impeller pump combination 2, rotor transmission shaft
3, rotor pump closure 4, camshaft 5, oil filtration body 6, machine oil pipe 7；
Oil passageway 8, internal path 14 are equipped in the side cover main body 1；Suction passage 9 is equipped in the rotor pump closure 4；Institute
State pump oil access 11, the relief hole 12 for being equipped with and being connected in camshaft 5；Logical oily channel 10 is equipped in the machine oil pipe 7；
12 quantity of relief hole can be 1 or multiple；
The impeller pump combination 2 is mounted in 1 upper groove of side cover main body, and the rotor pump closure 4 is assembled in side cover main body 1,
Space needed for impeller pump combines 2 work is cooperatively formed with side cover main body 1；
3 side of rotor transmission shaft combines the sub- pump group of 2 connecting band turns with impeller pump and closes 2 rotations, and the other side passes through impeller pump
Cover board 4 is connect with cam wheel 17；
The cam wheel 17 and 16 engaged transmission of crankshaft toothed wheel on crankshaft 15；
The camshaft 5 passes through cam wheel 17, rotor transmission shaft 3, rotor pump closure 4 and connect with side cover main body 1；
The oil filtration body 6 is connect by machine oil pipe 7 with rotor pump closure 4；
The described impeller pump combination 2, once side cover main body 1 built-in oil passageway 8 from 19 oil suction of Oil-gas Separation room, thus will
The lubricating oil resorption isolated in Oil-gas Separation room is to oil storage room 20, secondly suction passage 9 and machine oil pipe through rotor pump closure 4
Logical oily channel 10 in 7, sucking is through the filtered lubricating oil of oil filtration body 6 from oil storage room 20；
The impeller pump combines 2 pump lubricating oils, logical once the internal path 14 of side cover main body 1 and the pump oil of camshaft 5
Road 11 is pumped into inboard wall of cylinder block 18, so that the lubrication of piston, crankshaft group etc. is completed, secondly pumping through the relief hole 12 in camshaft 5
Return oil storage room 20.
Optionally, 12 quantity of relief hole is 2, and bilateral symmetry.
Optionally, the side cover main body 1 is equipped with positive stop lug boss 13 and is used to fix oil filtration body 6.
The invention has the advantages that should contain one with rotor pump type side cover oil storage lubricating system has oil suction, pump oil
The rotor pump structure of function can pass through the pump oil of impeller pump first is that realizing that lubricating oil is detached from the limitation of engine negative pressure condition
Function independently lubricates engine according to specific lubrication route and lubricating system；Second is that should be stored up with rotor pump type side cover
Engine oil gas separation chamber is connected to composition circuit by oil lubrication system with oil storage room, and engine oil gas is separated indoor machine oil and is returned
It receives to oil storage room, engine motor oil consumption is reduced, to reduce the discharge of engine harmful substance.
Detailed description of the invention
Fig. 1 is general illustration of the invention
Fig. 2 is that impeller pump combines pump oil access and principle of dynamics figure
Fig. 3 is combined for impeller pump and is connected to schematic diagram with Oil-gas Separation room
Fig. 4 is cutting direction A-A, B-B schematic diagram of the present invention
Fig. 5 is cutting direction C-C schematic diagram of the present invention
Fig. 6 is that rotor pump group closes schematic diagram in the present invention
Fig. 7 is side cover body interior space access figure
Fig. 8 is oil suction path profile of the impeller pump combination from engine Oil-gas Separation room
Fig. 9 is oil suction path profile of the impeller pump combination from oil storage room
Number explanation in attached drawing: 1. side cover main bodys；2. impeller pump combines；2-1. impeller pump internal rotor；2-2. impeller pump outer rotor；
3. rotor transmission shaft；4. rotor pump closure；5. camshaft；6. oil filtration body；7. machine oil pipe；8. oil passageway；9. oil suction is logical
Road；10. logical oil channel；11. pump oil access；12. relief hole；13. positive stop lug boss；14. internal path；15. crankshaft；16. crankshaft
Gear；17. cam wheel；18. inboard wall of cylinder block；19. Oil-gas Separation room；20. oil storage room；21. regional space A；22. regional space
B。
Specific embodiment
As shown in Figures 1 to 9, a kind of four-stroke gasoline engine lubrication system with impeller pump, including side cover main body 1 turn
Sub- pump group conjunction 2, rotor transmission shaft 3, rotor pump closure 4, camshaft 5, oil filtration body 6, machine oil pipe 7.
Wherein impeller pump combination 2 is mounted in 1 upper groove of side cover main body, and rotor pump closure 4 is assembled to side cover by bolt
In main body 1, space needed for forming 2 work of impeller pump combination, 3 side of rotor transmission shaft combines 2 connecting band turns with impeller pump
Sub- pump group closes 2 rotations, and the other side passes through rotor pump closure 4 and connect with cam wheel 17, and the camshaft 5 passes through cam wheel
17, rotor transmission shaft 3, rotor pump closure 4 are connect with side cover main body 1.
The oil filtration body 6 is mounted at air filter body positive stop lug boss 13, and is connected by machine oil pipe 7 and rotor pump closure 4
It connects.
Oil passageway 8, internal path 14 are equipped in the side cover main body 1；Suction passage is equipped in the rotor pump closure 4
9；Pump oil access 11, the relief hole 12 being connected are equipped in the camshaft 5；Logical oily channel 10 is equipped in the machine oil pipe 7；
The pressure release hole number is 2, and internal diameter is identical, bilateral symmetry；Institute
The intercommunicating pore that the suction passage 9 stated, built-in oil passageway 8 combine 2 working regions with impeller pump is in impeller pump internal rotor
It is minimum and near at increase tendency that 2-1 and impeller pump outer rotor 2-2 are formed by space.
Machine operation state is as shown in Fig. 2, 15 rotary motion of crankshaft when operating, and power is through the crankshaft toothed wheel 16 on crankshaft 15
After 17 engaged transmission of cam wheel, it is transferred to rotor transmission shaft 3, so that 2 operating of impeller pump combination be driven to carry out oil suction, pump
Oil,
The impeller pump combines 2 working principles are as follows: rotor transmission shaft 3 drive impeller pump internal rotor 2-1 in impeller pump combination,
Impeller pump outer rotor 2-2 carries out counter-clockwise rotary motion around camshaft 5, according to the working principle of impeller pump, regional space A 21
It is gradually increased with rotary motion, completes the oil absorptive function of impeller pump combination 2；Regional space B 22 is gradually reduced with rotary motion,
Complete the pump oil function of impeller pump combination 2.
The described impeller pump combination 2, once side cover main body 1 built-in oil passageway 8 from 19 oil suction of Oil-gas Separation room, from
And the abundant resorption of lubricating oil that will be isolated in Oil-gas Separation room；
The described impeller pump combination 2 is secondly logical oily channel 10 in suction passage 9 and machine oil pipe 7 through rotor pump closure 4, from storing up
Sucking is through the filtered lubricating oil of oil filtration body 6 in grease chamber 20, to provide tool enough lubricating oil for engine.
As shown in figure 9, the impeller pump combines 2 pump lubricating oils, once the internal path 14 and camshaft of side cover main body 1
5 pump oil access 11, so that the lubrication of piston, crankshaft group etc. is completed, secondly returning to oil storage through the relief hole 12 in camshaft 5
Room 20, plays the role of pressure release.
Compared with conventional, four-stroke gasoline engine lubricating structure, a tool should be contained with rotor pump type side cover oil storage lubricating system
There is the rotor pump structure of oil suction, pump oil function, one is that by the limitation that lubricating oil is detached from engine negative pressure condition, by turning
The pump oil function of son pump independently lubricates engine according to specific lubrication route and lubricating system；Second is that rotor should be had
Engine oil gas separation chamber is connected to composition circuit by pump type side cover oil storage lubricating system with oil storage room, by engine oil gas separation chamber
Interior machine oil is recycled to oil storage room, reduces engine motor oil consumption, common hand four stroke engine oil consumption
About (3.0 ~ 5.0) g/kWh, using the inventive structure hand four stroke engine oil consumption only (1.5 ~
2.7) between g/kWh；Because of the reduction of oil consumption, so that the discharge of engine harmful substance is greatly lowered, common hand
Hold formula four-stroke engine emission CH+NOXAbout (30 ~ 40) g/kWh is sent out using the hand four stroke of the inventive structure
Motivation machine emission CH+NOXOnly (20 ~ 30) g/kWh.
Claims (3)
1. a kind of four-stroke gasoline engine lubrication system with impeller pump, it is characterised in that: including side cover main body (1), impeller pump
It combines (2), rotor transmission shaft (3), rotor pump closure (4), camshaft (5), oil filtration body (6), machine oil pipe (7)；
Oil passageway (8), internal path (14) are equipped in the side cover main body (1)；Oil suction is equipped in the rotor pump closure (4)
Channel (9)；Pump oil access (11), the relief hole (12) being connected are equipped in the camshaft (5)；It is set in the machine oil pipe (7)
There is logical oily channel (10)；
The impeller pump combination (2) is mounted in side cover main body (1) upper groove, and the rotor pump closure (4) is assembled to side cover master
On body (1), space needed for impeller pump combines (2) work is cooperatively formed with side cover main body (1)；
Rotor transmission shaft (3) side combines the sub- pump group of (2) connecting band turn with impeller pump and closes (2) rotation, and the other side passes through
Rotor pump closure (4) is connect with cam wheel (17)；
Crankshaft toothed wheel (16) engaged transmission on the cam wheel (17) and crankshaft (15)；
The camshaft (5) passes through cam wheel (17), rotor transmission shaft (3), rotor pump closure (4) and side cover main body (1) and connects
It connects；
The oil filtration body (6) is connect by machine oil pipe (7) with rotor pump closure (4)；
When machine run, the impeller pump combines (2), and the built-in oil passageway (8) once side cover main body (1) divides from oil gas
From room (19) oil suction, thus the lubricating oil resorption that will be isolated in Oil-gas Separation room (19), secondly the suction through rotor pump closure (4)
Logical oily channel (10) in oily channel (9) and machine oil pipe (7), from the interior sucking of oil storage room (20) after oil filtration body (6) filtering
Lubricating oil；
The impeller pump combines (2) institute pump lubricating oils, internal path (14) and camshaft (5) once side cover main body (1)
Pump oil access (11), inboard wall of cylinder block (18) are pumped into, so that the lubrication of piston, crankshaft group etc. is completed, secondly through camshaft (5)
In relief hole (12) blowback oil storage room (20).
2. the four-stroke gasoline engine lubrication system according to claim 1 with impeller pump, it is characterised in that: the side
Lid main body (1) is equipped with positive stop lug boss (13) and is used to fix oil filtration body (6).
3. the four-stroke gasoline engine lubrication system according to claim 1 with impeller pump, it is characterised in that: the pressure release
Hole (12) quantity is 2, and bilateral symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910825364.6A CN110397486A (en) | 2019-09-03 | 2019-09-03 | Four-stroke gasoline engine lubrication system with impeller pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910825364.6A CN110397486A (en) | 2019-09-03 | 2019-09-03 | Four-stroke gasoline engine lubrication system with impeller pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110397486A true CN110397486A (en) | 2019-11-01 |
Family
ID=68329662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910825364.6A Pending CN110397486A (en) | 2019-09-03 | 2019-09-03 | Four-stroke gasoline engine lubrication system with impeller pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110397486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335936A (en) * | 2023-04-23 | 2023-06-27 | 嘉兴晨人一信仪表有限公司 | Gear pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6408812B1 (en) * | 2000-09-19 | 2002-06-25 | The Lubrizol Corporation | Method of operating spark-ignition four-stroke internal combustion engine |
| AU5279302A (en) * | 1998-03-05 | 2002-08-15 | Mtd Products Inc. | Multiple-position, operator-carried, four-stroke engine |
| EP2525055A2 (en) * | 2011-05-16 | 2012-11-21 | Bayerische Motoren Werke Aktiengesellschaft | Combustion engine |
| US20150020760A1 (en) * | 2011-09-22 | 2015-01-22 | Etg Limited | Four-cycle Internal Combustion Engine |
| DE102014017864A1 (en) * | 2014-12-03 | 2016-06-09 | Daimler Ag | Oil separation device for a combustion engine |
| CN210460787U (en) * | 2019-09-03 | 2020-05-05 | 山东华盛农业药械有限责任公司 | Four-stroke gasoline engine lubricating structure with rotor pump |
-
2019
- 2019-09-03 CN CN201910825364.6A patent/CN110397486A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5279302A (en) * | 1998-03-05 | 2002-08-15 | Mtd Products Inc. | Multiple-position, operator-carried, four-stroke engine |
| US6408812B1 (en) * | 2000-09-19 | 2002-06-25 | The Lubrizol Corporation | Method of operating spark-ignition four-stroke internal combustion engine |
| EP2525055A2 (en) * | 2011-05-16 | 2012-11-21 | Bayerische Motoren Werke Aktiengesellschaft | Combustion engine |
| US20150020760A1 (en) * | 2011-09-22 | 2015-01-22 | Etg Limited | Four-cycle Internal Combustion Engine |
| DE102014017864A1 (en) * | 2014-12-03 | 2016-06-09 | Daimler Ag | Oil separation device for a combustion engine |
| CN210460787U (en) * | 2019-09-03 | 2020-05-05 | 山东华盛农业药械有限责任公司 | Four-stroke gasoline engine lubricating structure with rotor pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116335936A (en) * | 2023-04-23 | 2023-06-27 | 嘉兴晨人一信仪表有限公司 | Gear pump |
| CN116335936B (en) * | 2023-04-23 | 2024-04-09 | 嘉兴晨人一信仪表有限公司 | Gear pump |
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