CN109386340A - The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set - Google Patents

The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set Download PDF

Info

Publication number
CN109386340A
CN109386340A CN201811587809.3A CN201811587809A CN109386340A CN 109386340 A CN109386340 A CN 109386340A CN 201811587809 A CN201811587809 A CN 201811587809A CN 109386340 A CN109386340 A CN 109386340A
Authority
CN
China
Prior art keywords
cylinder head
oil
engine
cylinder
cam
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
Application number
CN201811587809.3A
Other languages
Chinese (zh)
Inventor
陈维加
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Pavamis Power Co Ltd
Original Assignee
Suzhou Pavamis Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Pavamis Power Co Ltd filed Critical Suzhou Pavamis Power Co Ltd
Priority to CN201811587809.3A priority Critical patent/CN109386340A/en
Publication of CN109386340A publication Critical patent/CN109386340A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/02Pressure lubrication using lubricating pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/10Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/16Controlling lubricant pressure or quantity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/06Dip or splash lubrication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M9/00Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10Lubrication of valve gear or auxiliaries
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/02Pressure lubrication using lubricating pumps
    • F01M2001/0207Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0238Rotary pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/10Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • F01M2001/105Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the layout of the purification arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The invention discloses a kind of engine cylinder head high-efficiency lubricating systems of inversion small-size double cylinder generating set, it is improved mainly for the cylinder head mechanism of the overhead-cam bi-block engine in unit, it is that a filling pump is set in crankcase that it, which improves core, the oil inlet of the filling pump immerses in cabinet in the engine oil pond of bottom, and oil outlet is connected with the cylinder head fuel feed hole being arranged on the cylinder head cavity of two sides with distributing valve respectively by the road, a cavity is equipped with as cam engine oil pond in the lower section of cam in the cylinder head cavity simultaneously, for putting aside the intracorporal machine oil of chamber flowed into, and it is rotated by cam and gets rid of machine oil to Valve Rocker Organization;Cylinder head oil outlet is additionally provided on the cylinder head cavity, the cylinder head oil outlet is connected through oil return pipe with the oil return hole being arranged on crankcase.The present invention is more efficient for the lubrication of cylinder head internal mechanism, while the simplification and heat dissipation that are conducive to cylinder head structure design are uniformly.

Description

The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set
Technical field
The present invention relates to a kind of engine cylinder head high-efficiency lubricating systems of inversion small-size double cylinder generating set.
Background technique
Its output frequency of conventional electric power generation unit is synchronous with the revolving speed of engine, and inverter generator group is by generator The AC rectification of sending converts thereof into the alternating current of required frequency (generally at direct current, then by the circuit of inversion 50HZ and 60HZ), thus the revolving speed of engine do not need it is synchronous with output voltage, it was found from the natural working condition of engine Then best torque point is higher for the smaller engine of displacement per cylinder, it is however generally that the engine best torque point of 50CC or so is at every point Clock 4500 turns left the right side, and the engine best torque o'clock of 100CC or so turns left the right side 4000, and 200cc is then in 3500 or so, 400CC Engine is then about 2500 or so.It is understood that the power of engine is that revolving speed multiplies torque, if by the engine of 50CC or so Its revolving speed of synchronous generator as manufacture 50HZ is 3000 revolutions per seconds, then the efficiency of engine and power are not all played much Out, being used as manufacture inverter generator group just i.e. can with the engine of same discharge capacity using high-revolving best torque To produce more powerful generating set, efficiency can also be significantly improved, if instead advantage be it will be apparent that using The engine of 400CC or so is not difficult to find out to manufacture inverter generator group, if completing to improve generator by improving revolving speed Group power is completely uneconomic.It can be seen that should can be started using inverter generator with higher rotation speed engine to improve The power of electricity group, manufactures more powerful generating set again, and the inversion that relatively high power is manufactured using the design of twin-tub is generated electricity Unit is the scheme extremely optimized, not only using the high revolving speed of the opposite best torque of small displacement engine, but also can be manufactured More powerful generating set.
However huge discharge bi-block engine still exposes following problem in practical applications at present:
Since the valve opening and closing driving mechanism of traditional bi-block engine generallys use tappet and link mechanism carrys out driving cylinder head tremor arm With valve activity, still there is very strong noise when running.And the requirement in small-sized inverter generator field for noise abatement at present It is higher and higher, so being replaced using overhead cam and corresponding transmission mechanism as transmission power to further eliminate noise Existing valve opening and closing driving mechanism is that the design in current small-size double cylinder generating set is leading.But equally also bring following ask Topic:
It is well known that known generating set is based on lightweight and the simplified design consideration of structure, the profit of internal engine Slide-through is often all using lubrication of splashing, but the disadvantage is that lubricant effect is often poor, particularly with the engine using overhead cam Speech, each parts in cylinder head are often not achieved in the machine oil thrown away from crankcase inside crankshaft, exist lubrication less than ask Topic.On the other hand, existing lubricating system is often all based on designed by original tappet driving mechanism, and structure is complicated, such as needs Oil return hole etc. is designed on tappet, influence cylinder head circularity and leakproofness.
In addition, as the engine speed increases, the resistance that crankshaft gets rid of oil generation is increasing, biggish power damage is generated It loses.Meanwhile crankshaft gets rid of oil will also make machine oil premature ageing, and is easy to be mixed into bubble among machine oil.Therefore existing small-size double cylinder The lubricating system of generating set is simultaneously not suitable with its development, it would be desirable to seek more efficiently, reasonable and reliable lubricating system.
Summary of the invention
Object of the present invention is to: for the existing lubricating system proposed in background technique deficiency and to provide a kind of inversion small-sized The engine cylinder head high-efficiency lubricating system of twin-tub generating set, it is more efficient for the lubrication of cylinder head internal mechanism, while benefit It is uniform in the simplification and heat dissipation of cylinder head structure design.
The technical scheme is that a kind of engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set, Including the overhead-cam bi-block engine being connected with generator coaxle, which includes crankcase, is set to crankcase Interior crankshaft, two cylinders being connected on crankcase and the cylinder head mechanism for being correspondingly arranged in each cylinder head, it is described Cylinder head mechanism includes cylinder head cavity and the cam being located therein and the Valve Rocker Organization with cam engagement, it is characterised in that described A filling pump is equipped in crankcase, the oil inlet of the filling pump immerses in crankcase in the engine oil pond of bottom, and oil outlet It is connected respectively with the cylinder head fuel feed hole being arranged on the cylinder head cavity of two sides with distributing valve by the road, while convex in the cylinder head cavity The lower section of wheel is equipped with a cavity as cam engine oil pond, for putting aside the intracorporal machine oil of cylinder head chamber flowed into, and by cam Rotation gets rid of machine oil to Valve Rocker Organization;Cylinder head oil outlet, the cylinder head oil outlet warp are additionally provided on the cylinder head cavity Oil return pipe is connected with the oil return hole being arranged on crankcase.
Further, it is provided with cylinder head pressure limiting valve on the inside of heretofore described each cylinder head fuel feed hole, and through the cylinder head Pressure limiting valve is connected with cylinder head inside cavity.
Further, two V-shaped distributions of cylinder of heretofore described bi-block engine.
Further, heretofore described cylinder head cavity is in tilted layout, and the position of cylinder head fuel feed hole is fuel-displaced higher than cylinder head The position in hole.
Further, heretofore described filling pump be gear pump, including pump case and be set to pump case in intermeshing one To driving and driven gear, driving gear therein is fixed on the crankshaft, is rotated with crankshaft-synchronous.
Further, the oil inlet of heretofore described filling pump is equipped with strainer.
Further, heretofore described distributing valve is triple valve, and the oil outlet of the filling pump send oil pipe and three through master Port valve is connected, and triple valve is connected through two dispensing oil pipes with the cylinder head fuel feed hole on two cylinder head cavitys again.
The invention has the advantages that
1. present invention is generally directed to implement to improve for the engine cylinder head lubricating system in inversion small-size double cylinder generating set, Core is while cam engine oil pond to be designed in cylinder head cavity by designing special filling pump in crankcase, it is ensured that bent The intracorporal machine oil of axle box can be endlessly delivered in cylinder head cavity, and splash by the operating of cam cover gas again Door rocker arm body, substantially increases the lubricant effect for cylinder head inner body, further ensures bi-block engine and apply to Feasibility and reliability in inverter generator group.
2. the present invention compares the lube system that original needs open up oil return hole on tappet for the improvement structure of lubricating system System is more simplified, and the improvement especially for cylinder head housing parts is small, without designing complicated oil-returning structure and being directed to cylinder head chamber The shell of body is particularly cast, and is not only easy to assemble in this way, simplifies structure, and can guarantee the globality and sealing of cylinder head Property, it is ensured that cylinder head heat dissipation is more uniform.
3. lubricating system of the invention can also avoid conventional crankshaft from getting rid of the resistance problem of oil experience well, reduce bent The power loss of axis.Machine oil premature aging due to crankshaft gets rid of oil is prevented simultaneously, and bubble is prevented to be mixed among machine oil.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is structural main section view of the invention.
Wherein: 1, crankcase;2, crankshaft;3, cylinder;4, cylinder head cavity;5, cam;6, Valve Rocker Organization;7, oiling Pump;8, oil inlet;9, oil outlet;10, cylinder head fuel feed hole;11, cam engine oil pond;12, cylinder head oil outlet;13, oil return pipe;14, Oil return hole;15, cylinder head pressure limiting valve;16, driven gear;17, strainer;18, triple valve;19, master send oil pipe;20, oil pipe is sent; 21, machine oil.
Specific embodiment
Embodiment: efficiently moisten for a kind of engine cylinder head of inversion small-size double cylinder generating set of the present invention as shown in connection with fig. 1 The specific embodiment of sliding system, main structure include the overhead-cam bi-block engine being connected with generator coaxle, should Engine has crankcase 1, the crankshaft 2 in crankcase 1, two cylinders 3 being connected on crankcase 1 and right It should be set to the cylinder head mechanism at each 3 top of cylinder, the cylinder head mechanism includes 5 He of cylinder head cavity 4 and the cam being located therein The Valve Rocker Organization 6 cooperated with cam 5.And as shown in fig. 1, the bi-block engine in the present embodiment is that V-arrangement is double Cylinder engine, two V-shaped distribution of cylinder 3.
Main improvement of the invention is: a filling pump 7 is equipped in the crankcase 1, as shown in Figure 1, the present embodiment In the filling pump 7 be conventional gear pumps, including pump case and be set to pump case in the intermeshing driving and driven gear 16 of a pair, wherein Driving gear (invisible in figure) be fixed on the crankshaft 2, with crankshaft 2 rotate synchronously.
In the immersion crankcase 1 of oil inlet 8 of above-mentioned filling pump 7 in the engine oil pond of bottom, machine oil 21 is inoculated in engine oil pond.And The oil outlet 9 of filling pump 7 is connected with the cylinder head fuel feed hole 10 being arranged on two sides cylinder head cavity 4 with distributing valve respectively by the road.This Distributing valve described in embodiment is specially triple valve 18, and the oil outlet 9 of the filling pump 7 send oil pipe 19 and 18 phase of triple valve through master Connect, and triple valve 18 is connected through two dispensing oil pipes 20 with the cylinder head fuel feed hole 10 on two cylinder head cavitys 4 again.
A cavity is equipped with as cam engine oil pond 11, for putting aside in the lower section of cam 5 in the cylinder head cavity 4 simultaneously Machine oil in the cylinder head cavity 4 of inflow, and rotated by cam 5 and get rid of machine oil to Valve Rocker Organization 6;Each cylinder head chamber Cylinder head oil outlet 12 is additionally provided on body 4, each cylinder head oil outlet 12 is through oil return pipe 13 and is arranged in 1 two sides of crankcase Two oil return holes 14 be respectively connected with.
Cylinder head pressure limiting valve 15 is provided on the inside of each cylinder head fuel feed hole 10 described in the present embodiment, and through the cylinder head pressure limiting It is connected inside valve 15 and cylinder head cavity 4.Cylinder head pressure limiting valve 15 is a kind of check valve, and effect is to prevent 4 inside of cylinder head cavity inverse To oil return.
Cylinder head cavity described in the present embodiment 4 is in tilted layout, and the position of cylinder head fuel feed hole 10 is higher than cylinder head oil outlet 12 Position, this structure design can preferably ensure that the machine oil in cam engine oil pond 11 is got rid of to by cam 5 and covers entire gas Door rocker arm body, greatly improves lubricant effect.
The oil inlet 8 of filling pump 7 described in the present embodiment is equipped with strainer 17, for filtering out remaining solid in machine oil 21 Impurity, it is ensured that lubricating system reliably working.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique People can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to this hair The modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.

Claims (7)

1. the engine cylinder head high-efficiency lubricating system of a kind of inversion small-size double cylinder generating set, including what is be connected with generator coaxle Overhead-cam bi-block engine, the engine include crankcase (1), the crankshaft (2) being set in crankcase (1), connection Two cylinders (3) on crankcase (1) and the cylinder head mechanism being correspondingly arranged at the top of each cylinder (3), the cylinder head Mechanism includes cylinder head cavity (4) and the cam (5) being located therein and the Valve Rocker Organization (6) with cam (5) cooperation, feature It is to be equipped with a filling pump (7) in the crankcase (1), the oil inlet (8) of the filling pump (7) immerses crankcase (1) In interior bottom engine oil pond, and oil outlet (9) by the road with distributing valve respectively with the cylinder head oil inlet that is arranged on two sides cylinder head cavity (4) Hole (10) is connected, while being equipped with a cavity as cam engine oil pond in the lower section of cam (5) in the cylinder head cavity (4) (11), it for putting aside the machine oil in the cylinder head cavity (4) flowed into, and is rotated by cam (5) and gets rid of machine oil to valve rocker machine Structure (6);It is additionally provided with cylinder head oil outlet (12) on the cylinder head cavity (4), the cylinder head oil outlet (12) is through oil return pipe (13) It is connected with the oil return hole (14) being arranged on crankcase (1).
2. the engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set according to claim 1, feature It is to be provided with cylinder head pressure limiting valve (15) on the inside of each cylinder head fuel feed hole (10), and through the cylinder head pressure limiting valve (15) and cylinder It is connected inside head cavity body (4).
3. the engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set according to claim 1, feature It is two V-shaped distributions of cylinder (3) of the bi-block engine.
4. the engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set according to claim 1, feature It is that the cylinder head cavity (4) is in tilted layout, and the position of cylinder head fuel feed hole (10) is higher than the position of cylinder head oil outlet (12).
5. the engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set according to claim 1, feature Be the filling pump (7) be gear pump, including pump case and be set to pump case in the intermeshing driving and driven gear of a pair (16), Driving gear therein is fixed on the crankshaft (2), is rotated synchronously with crankshaft (2).
6. the engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set according to claim 1 or 5, special Sign is that the oil inlet (8) of the filling pump (7) is equipped with strainer (17).
7. the engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set according to claim 1 or 2, special Sign is that the distributing valve is triple valve (18), and the oil outlet (9) of the filling pump (7) send oil pipe (19) and triple valve through master (18) it is connected, and triple valve (18) sends oil pipe (20) and the cylinder head fuel feed hole (10) on two cylinder head cavitys (4) through two again It is connected.
CN201811587809.3A 2018-12-25 2018-12-25 The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set Pending CN109386340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811587809.3A CN109386340A (en) 2018-12-25 2018-12-25 The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811587809.3A CN109386340A (en) 2018-12-25 2018-12-25 The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set

Publications (1)

Publication Number Publication Date
CN109386340A true CN109386340A (en) 2019-02-26

Family

ID=65430842

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811587809.3A Pending CN109386340A (en) 2018-12-25 2018-12-25 The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set

Country Status (1)

Country Link
CN (1) CN109386340A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738638A (en) * 2021-09-16 2021-12-03 中国北方发动机研究所(天津) Novel monoblock pump box structure
IT202000018943A1 (en) * 2020-08-03 2022-02-03 Energreen S P A SELF-DRIVEN SYSTEM INCLUDING A SELF-PROPELLED VEHICLE EQUIPPED WITH A COMBUSTION ENGINE STRUCTURE OF AN IMPROVED TYPE

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1294256A (en) * 1999-10-15 2001-05-09 本田技研工业株式会社 Top-arranged camshaft type v-2 engine
CN2898316Y (en) * 2006-03-02 2007-05-09 无锡市现代精工有限公司 External lubricating oil-way of engine
CN101451457A (en) * 2008-12-11 2009-06-10 重庆隆鑫机车有限公司 Lubricating structure for engine cam and rocker arm
CN101907005A (en) * 2010-06-01 2010-12-08 力帆实业(集团)股份有限公司 Engine lubricant passage
CN209195501U (en) * 2018-12-25 2019-08-02 苏州帕瓦麦斯动力有限公司 The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1294256A (en) * 1999-10-15 2001-05-09 本田技研工业株式会社 Top-arranged camshaft type v-2 engine
US6343576B1 (en) * 1999-10-15 2002-02-05 Honda Giken Kogyo Kabushiki Kaisha Overhead camshaft V-2 engine
CN2898316Y (en) * 2006-03-02 2007-05-09 无锡市现代精工有限公司 External lubricating oil-way of engine
CN101451457A (en) * 2008-12-11 2009-06-10 重庆隆鑫机车有限公司 Lubricating structure for engine cam and rocker arm
CN101907005A (en) * 2010-06-01 2010-12-08 力帆实业(集团)股份有限公司 Engine lubricant passage
CN209195501U (en) * 2018-12-25 2019-08-02 苏州帕瓦麦斯动力有限公司 The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000018943A1 (en) * 2020-08-03 2022-02-03 Energreen S P A SELF-DRIVEN SYSTEM INCLUDING A SELF-PROPELLED VEHICLE EQUIPPED WITH A COMBUSTION ENGINE STRUCTURE OF AN IMPROVED TYPE
CN113738638A (en) * 2021-09-16 2021-12-03 中国北方发动机研究所(天津) Novel monoblock pump box structure
CN113738638B (en) * 2021-09-16 2023-12-22 中国北方发动机研究所(天津) Novel pump box structure of single pump

Similar Documents

Publication Publication Date Title
TWI277571B (en) Motorcycle
CN109386340A (en) The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set
CN201237072Y (en) Oil pump
CN209195501U (en) The engine cylinder head high-efficiency lubricating system of inversion small-size double cylinder generating set
CN110274143A (en) A kind of engine oil pump with air motor driving pre-lubrication device
CN204592821U (en) A kind of engine for motorcycle oil pump
CN212690200U (en) Engine and crankcase thereof
JP4647420B2 (en) Generator cooling structure for engine
CN103573623B (en) Rotary compressor
CN102606255A (en) Oil pump driving system for diesel engine
JP6146114B2 (en) Vehicle engine balancer lubrication structure
CN101943080A (en) Motorcycle engine
CN202521203U (en) Oil pump and diesel engine with oil pump
CN202852385U (en) Rotor type electric oil pump
CN208702485U (en) Diesel engine twin-tub camshaft lubrication system
CN201650399U (en) Oil pump base shell structure on engine lower box body
CN204283546U (en) Logical machine cylinder head lubricating structure
CN208750384U (en) A kind of road breaker operating mechanism single channel lubricating system
CN204476587U (en) The horizontally-opposed piston of a kind of two-stroke, opposed-cylinder engine gear chamber assembly
JP3464154B2 (en) Internal combustion engine lubrication system
JP2012002093A (en) Engine structure
JP5356356B2 (en) Generator cooling structure for engine
CN207892692U (en) The horizontally-opposed twin-tub electrification all-in-one machine of water cooling
CN104863707A (en) Internal combustion engine with double-crank mechanism
CN103184911A (en) Lubrication unit of vehicle power device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination