CN101907005A - Engine lubricant passage - Google Patents

Engine lubricant passage Download PDF

Info

Publication number
CN101907005A
CN101907005A CN2010101892347A CN201010189234A CN101907005A CN 101907005 A CN101907005 A CN 101907005A CN 2010101892347 A CN2010101892347 A CN 2010101892347A CN 201010189234 A CN201010189234 A CN 201010189234A CN 101907005 A CN101907005 A CN 101907005A
Authority
CN
China
Prior art keywords
oil
fuel tank
external fuel
outlet
filler opening
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.)
Granted
Application number
CN2010101892347A
Other languages
Chinese (zh)
Other versions
CN101907005B (en
Inventor
田亚平
程志明
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.)
Lifan Technology Group Co Ltd
Original Assignee
Lifan Industry Group 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 Lifan Industry Group Co Ltd filed Critical Lifan Industry Group Co Ltd
Priority to CN2010101892347A priority Critical patent/CN101907005B/en
Publication of CN101907005A publication Critical patent/CN101907005A/en
Application granted granted Critical
Publication of CN101907005B publication Critical patent/CN101907005B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The invention relates to an engine lubricant passage. An oil inlet of a first cavity of an oil pump is communicated with an oil outlet of an once oil filter, an oil outlet of the first cavity of the oil pump is communicated with an oil inlet of an external oil tank, a first oil outlet of the external oil tank is communicated with an oil inlet of a second cavity of the oil pump, a second oil outlet of the external oil tank is communicated with an external oil inlet of a cylinder head, an oil outlet of the second cavity of the oil pump is communicated with an oil inlet of an oil filter, a crankcase cover oil passage communicated with an oil outlet of the oil filter is divided into two passages, one passage is communicated with an oil inlet passage of a crank roller pin, the other passage is connected with an oil inlet of an external three-way oil pipe, a first oil outlet of the external three-way oil pipe is communicated with oil holes of a main shaft and a secondary shaft, and a second oil outlet of the external three-way oil pipe is communicated with a camshaft oil channel. The invention not only achieves the purpose of lubricating an engine, but also can obviously reduce the cylinder temperature and the oil temperature of the engine, improves engine operating conditions and increases engine power.

Description

A kind of engine oil gallery
Technical field
The invention belongs to the engine lubrication technical field, specifically, the particularly engine lubrication oil cooling system on the motorcycle.
Background technique
The lubricant oil that general motorcycle engine all will be lubricated with cooling system is stored in the engine crankcase, with lubricant oil each oil duct by engine interior, is delivered to bent axle needle roller → cylinder-bore, piston by the oil pump in the crankcase respectively; The cam of cylinder head and rocking arm or rocking arm and push rod → lower shake-changing arm and cam; Each rotary part of major-minor axle; Bearing; And the rotation of each gear each gear of oil lubrication, sprocket wheel and the chain etc. that splash, reach the purpose of lubricating engine.Adopt the lubricated mode of inner oil duct to need engine crankcase that enough volumes are arranged,, can cause the volume of motor bigger like this, be not suitable for the requirement of cross country motorcycle the motor volume to hold the lubricating oil capacity of different displacements motor regulation.Simultaneously, it is many to make the required material of engine crankcase, and cost can increase, and the cooling effect of lubricant oil is not obvious, and the gentle oil temperature of the cylinder of motor is higher, is unfavorable for the normal operation of motor, can reduce the power of motor, not be suitable for big discharge capacity air cooling engine.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of engine oil gallery that can effectively reduce crankcase volume, with the gentle oil temperature of the cylinder that reduces motor, improves the operating conditions of motor, improves the power of motor.
Technological scheme of the present invention is as follows: a kind of engine oil gallery, side at crankcase is installed crankcase cover, oil filter, bent axle needle roller, main shaft, countershaft, oil pump and an oil strainer are equipped with in the inside of crankcase, the top of described crankcase is provided with cylinder block, on this cylinder block cylinder head is installed, its key is:
A, the outer installment of described crankcase have external fuel tank and outside oil pipe;
The inner and outer rotors that two covers differ in size is housed in B, the described oil pump, wherein big inner and outer rotors is positioned at first chamber of oil pump, little inner and outer rotors is positioned at second chamber of oil pump, the oil outlet of an oil strainer of the filler opening of described oil pump first chamber and crankcase intrinsic motivation communicates, the oil outlet of oil pump first chamber directly is connected with the oil outlet of crankcase cover, and the filler opening by the first outer oil pipe and external fuel tank joins;
First oil outlet of C, described external fuel tank is connected with the filler opening of crankcase cover by the second outer oil pipe, the filler opening of this crankcase cover communicates with the filler opening of oil pump second chamber, and second oil outlet of external fuel tank joins by the external filler opening of the 3rd outer oil pipe and cylinder head;
The oil outlet of D, oil pump second chamber communicates with the oil inlet hole of oil filter, the crankcase cover oil duct that is communicated with the oil filter oil outlet is divided into two-way, one the tunnel communicates with the oil input channel of bent axle needle roller, the filler opening of the outer oil pipe of another road and threeway joins, first oil outlet of the outer oil pipe of described threeway is connected with the crankcase filler opening, and communicate with the oilhole of major and minor axle, second oil outlet of the outer oil pipe of threeway is connected with the filler opening of cylinder block, passes through cylinder block oil duct, cylinder head oil duct and is communicated with camshaft oil gallery on the cylinder head.
The present invention has simplified in-engine oil duct on the basis of conventional construction, oil pipe outside the outside of motor is provided with external fuel tank and special use, special-purpose two inner and outer rotors oil pump in motor, have been equipped with, big inner and outer rotors is with the lubricant oil after once filtering in the engine crankcase, oil pipe pumps into external fuel tank outside oil pump first chamber, first, after nature or forced air cooling, become cooled lubricant oil; The little inner and outer rotors of oil pump is with lubricant oil oil pipe blowback oil pump second chamber, crankcase inner engine oil filter cleaner chamber outside second of cooling rear section in the external fuel tank, behind the oil filter secondary filter, pump is to crankcase cover and crankshaft oil gallery on the one hand, enter the bent axle needle roller, lubricated bent axle needle roller, cylinder-bore, piston and piston ring; The opposing party's face-pumping oil pipe to threeway, first oil outlet of the outer oil pipe of threeway is connected with the crankcase filler opening, enters major-minor axle oil inlet hole, lubricated each rotary part of major-minor axle; Second oil outlet of the outer oil pipe of threeway is connected with the cylinder block filler opening, enters camshaft oil gallery through cylinder block oil duct, cylinder head oil duct, lubricates cam and rocking arm, rocking arm and push rod or lower shake-changing arm and cam friction pair, reaches the purpose of lubricating engine; Cooled all the other lubricant oil enter the external filler opening at cylinder head top by second oil outlet oil pipe through the 3rd outside of external fuel tank in the external fuel tank, flow into the rocker arm chamber of cylinder head, take away the high temperature oil of cylinder head, reach the purpose of cooling air cylinder head reduction cylinder temperature.
The present invention is stored in most of lubricant oil in the external fuel tank, has reduced the volume of engine crankcase, makes engine structure compact more, is more suitable for using in cross country motorcycle.The crankcase consumptive material still less simultaneously, processing is easier, technology is simpler, can effectively reduce production costs.Blowback motor again after lubricant oil cools off outside motor can obviously lower the gentle oil temperature of cylinder of motor, compares with conventional construction, and oily temperature can reduce about 30 ℃.
Have the oil rule mounting hole at the top of described external fuel tank, so that the fitting machine dipstick, detect the height of pasta in the external fuel tank by oil rule; The bottom of external fuel tank has the 3rd oil outlet, and the 3rd oil outlet is by sealing plug screw shutoff, described sealing plug screw and external fuel tank screw-thread fit.It is firm, easy to operate that the sealing plug screw is installed, and with the sealing plug screw the 3rd oil outlet sealed at ordinary times, pulls down the sealing plug screw, can clean machine oil impurity in the external fuel tank by the 3rd oil outlet.
Described external fuel tank is integrated on the head-tube of vehicle frame front end.The lower end of head-tube is made into case structure by plate, forms external fuel tank, implement easily on the one hand, the place of changing on vehicle frame is few, and reforming cost is lower; On the other hand, external fuel tank is at the front end of vehicle frame, and the effect of the cooling of facining the wind is remarkable.
Described external fuel tank is arranged in the oil cooler, also can be arranged on other positions of motorcycle front end, also can reach favorable cooling effect.
Be provided with inside and outside two chambers that communicate with each other in the described external fuel tank, the filler opening of wherein external fuel tank inner cavity chamber communicates by the oil outlet of the first outer oil pipe with oil pump first chamber, first oil outlet of external fuel tank outer chamber communicates by the filler opening of the second outer oil pipe with oil pump second chamber, and second oil outlet of external fuel tank outer chamber joins by the external filler opening of the 3rd outer oil pipe and cylinder head.The deep fat that pumps in oil pump first chamber is introduced into the inner cavity chamber of external fuel tank, cooled lubricant oil enters outer chamber, in little inner and outer rotors blowback oil pump second chamber of a part by oil pump, another part flows to cylinder head, can effectively avoid deep fat directly to flow back to motor without cooling, lubricated and cooling-down effect is good.
Beneficial effect: the present invention has not only reached the purpose of lubricating engine, and has reduced the volume of engine crankcase, makes the more compact structure of motor, is more suitable for using in cross country motorcycle; The present invention can obviously reduce the gentle oil temperature of cylinder of motor, has improved the operating conditions of motor, has improved the power of motor.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, engine oil gallery is made of crankcase 1, oil filter 2, bent axle needle roller 3, cylinder block 4, cylinder head 5, main shaft 6, countershaft 7, external fuel tank 8, oil pump 9, oil strainer 10, first outer oil pipe 11, second outer Shan pipe the 12, the 3rd outer oil pipe 13 and the outer oil pipe 14 of threeway, wherein the dual-side of crankcase 1 all is equipped with crankcase cover, an oil strainer 10 is installed in bottom in crankcase 1, and oil filter 2, bent axle needle roller 3, main shaft 6, countershaft 7 and oil pump 9 also are equipped with in the inside of crankcase 1.At the top of described crankcase 1 cylinder block 4 is set, cylinder head 5 is installed on this cylinder block 4.Described in-engine drive mechanism and working principle are same as the prior art, do not do at this and give unnecessary details.
As can be known from Fig. 1, the outer installment of crankcase 1 have external fuel tank 8 and outside oil pipe.Have inside and outside two chamber 8a, 8b that communicate with each other in the wherein external fuel tank 8, this external fuel tank 8 can be integrated on the head-tube of vehicle frame front end; Perhaps be arranged in the oil cooler; Perhaps be arranged on other positions of motorcycle front end.The inner and outer rotors that two covers differ in size is housed in the described oil pump 9, and the pump oil mass of big inner and outer rotors is bigger than little inner and outer rotors, is preferably twice.Wherein big inner and outer rotors is positioned at first chamber of oil pump 9, little inner and outer rotors is positioned at second chamber of oil pump 9, the filler opening of described oil pump first chamber communicates with the oil outlet of an oil strainer 10 of crankcase 1 intrinsic motivation, the oil outlet of oil pump first chamber directly is connected with the oil outlet of crankcase cover, and the oil outlet of crankcase cover joins by the filler opening of the external fuel tank inner cavity chamber of the first outer oil pipe 11 and external fuel tank 8 middle and upper parts.
From Fig. 1 also as can be known, first oil outlet of the external fuel tank outer chamber of external fuel tank 8 bottoms is connected with the filler opening of crankcase cover by the second outer oil pipe 12, the filler opening of this crankcase cover communicates with the filler opening of oil pump second chamber, and second oil outlet of the external fuel tank outer chamber on external fuel tank 8 tops joins by the external filler opening of the 3rd outer oil pipe 13 with cylinder head 5 tops.Have the oil rule mounting hole at the top of described external fuel tank 8, so that the fitting machine dipstick; The bottom of external fuel tank 8 has the 3rd oil outlet, and the 3rd oil outlet is by sealing plug screw shutoff, described sealing plug screw and external fuel tank 8 screw-thread fit.
From Fig. 1 further as can be known, the oil outlet of oil pump second chamber communicates with the oil inlet hole of oil filter 2, the crankcase cover oil duct that is communicated with oil filter 2 oil outlets is divided into two-way, one the tunnel communicates with the oil input channel of bent axle needle roller 3, the filler opening of the outer oil pipe 14 of another road and threeway joins, first oil outlet of the outer oil pipe 14 of described threeway is connected with crankcase 1 filler opening, and by oil duct and master, countershaft 6,7 oilhole communicates, second oil outlet of the outer oil pipe 14 of threeway is connected with the filler opening of cylinder block 4, through cylinder block oil duct 4a, cylinder head oil duct 5a is communicated with camshaft oil gallery 5b on the cylinder head 5.
Working principle of the present invention is as follows:
Lubricant oil after big inner and outer rotors in the oil pump 9 filters engine crankcase 1 an interior oil strainer 10 pumps, and oil pipe 11 pumps into external fuel tank 8 outside oil pump first chamber, first, after nature or forced air cooling, becomes cooled lubricant oil.
Little inner and outer rotors in the oil pump, with lubricant oil through second outside oil pipe 12 blowback oil pump second chamber, the crankcase inner engine oil filter cleaner chamber of 1 times flow with cooling back 1/2 in the external fuel tank 8, behind oil filter 2 secondary filters, pump is to crankcase cover and crankshaft oil gallery on the one hand, enter bent axle needle roller 3, lubricated bent axle needle roller, cylinder-bore, piston and piston ring; The opposing party's face-pumping is oil pipe 14 to threeway, and first oil outlet of the outer oil pipe 14 of threeway is connected with the crankcase filler opening, enters major and minor axle 6,7 oil inlet holes, lubricated each rotary part of major-minor axle; Second oil outlet of the outer oil pipe 14 of threeway is connected with cylinder block 4 filler openings, enter camshaft oil gallery 5b through cylinder block oil duct 4a, cylinder head oil duct 5a, lubricate cam and rocking arm, rocking arm and push rod or lower shake-changing arm and cam friction pair, reach the purpose of lubricating engine.
Cooled all the other 1/2 lubricant oil enter the filler opening at cylinder head 5 tops in the external fuel tank 8 by second oil outlet oil pipe 13 outside the 3rd on external fuel tank 8 tops, flow into the rocker arm chamber of cylinder head, take away the high temperature oil of cylinder head, reach the purpose that the cooling air cylinder head reduces the cylinder temperature.

Claims (5)

1. engine oil gallery, side at crankcase (1) is installed crankcase cover, oil filter (2), bent axle needle roller (3), main shaft (6), countershaft (7), oil pump (9) and an oil strainer (10) are equipped with in the inside of crankcase (1), the top of described crankcase (1) is provided with cylinder block (4), this cylinder block (4) goes up installs cylinder head (5), it is characterized in that:
A, the outer installment of described crankcase (1) have external fuel tank (8) and outside oil pipe;
The inner and outer rotors that two covers differ in size is housed in B, the described oil pump (9), wherein big inner and outer rotors is positioned at first chamber of oil pump (9), little inner and outer rotors is positioned at second chamber of oil pump (9), the filler opening of described oil pump first chamber communicates with the oil outlet of crankcase (a 1) oil strainer of intrinsic motivation (10), the oil outlet of oil pump first chamber directly is connected with the oil outlet of crankcase cover, joins by the filler opening of the first outer oil pipe (11) with external fuel tank (8);
First oil outlet of C, described external fuel tank (8) is connected with the filler opening of crankcase cover by the second outer oil pipe (12), the filler opening of this crankcase cover communicates with the filler opening of oil pump second chamber, and second oil outlet of external fuel tank (8) joins by the external filler opening of the 3rd outer oil pipe (13) with cylinder head (5);
D, the oil outlet of oil pump second chamber communicates with the oil inlet hole of oil filter (2), the crankcase cover oil duct that is communicated with oil filter (2) oil outlet is divided into two-way, one the tunnel communicates with the oil input channel of bent axle needle roller (3), the filler opening of the outer oil pipe (14) of another road and threeway joins, first oil outlet of the outer oil pipe (14) of described threeway is connected with crankcase (1) filler opening, and with the master, countershaft (6,7) oilhole communicates, second oil outlet of the outer oil pipe (14) of threeway is connected with the filler opening of cylinder block (4), through cylinder block oil duct (4a), cylinder head oil duct (5a) is communicated with camshaft oil gallery (5b) on the cylinder head (5).
2. engine oil gallery according to claim 1, it is characterized in that: the top at described external fuel tank (8) has the oil rule mounting hole, the bottom of external fuel tank (8) has the 3rd oil outlet, the 3rd oil outlet is by sealing plug screw shutoff, described sealing plug screw and external fuel tank (8) screw-thread fit.
3. engine oil gallery according to claim 1 and 2 is characterized in that: described external fuel tank (8) is integrated on the head-tube of vehicle frame front end.
4. engine oil gallery according to claim 1 and 2 is characterized in that: described external fuel tank (8) is arranged in the oil cooler.
5. engine oil gallery according to claim 1 and 2, it is characterized in that: be provided with inside and outside two chambers that communicate with each other (8a, 8b) in the described external fuel tank (8), the filler opening of wherein external fuel tank (8) inner cavity chamber communicates with the oil outlet of oil pump first chamber by the first outer oil pipe (11), first oil outlet of external fuel tank (8) outer chamber communicates with the filler opening of oil pump second chamber by the second outer oil pipe (12), and second oil outlet of external fuel tank (8) outer chamber joins by the external filler opening of the 3rd outer oil pipe (13) with cylinder head (5).
CN2010101892347A 2010-06-01 2010-06-01 Engine lubricant passage Expired - Fee Related CN101907005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101892347A CN101907005B (en) 2010-06-01 2010-06-01 Engine lubricant passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101892347A CN101907005B (en) 2010-06-01 2010-06-01 Engine lubricant passage

Publications (2)

Publication Number Publication Date
CN101907005A true CN101907005A (en) 2010-12-08
CN101907005B CN101907005B (en) 2012-06-13

Family

ID=43262569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101892347A Expired - Fee Related CN101907005B (en) 2010-06-01 2010-06-01 Engine lubricant passage

Country Status (1)

Country Link
CN (1) CN101907005B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661183A (en) * 2012-05-08 2012-09-12 力帆实业(集团)股份有限公司 Oil circuit system of geared motor with external balance shaft
CN102705036A (en) * 2012-06-11 2012-10-03 上海三一重机有限公司 System and method for lubricating crankshaft during inclination of engine
CN104047663A (en) * 2014-06-24 2014-09-17 力帆实业(集团)股份有限公司 Lubrication system of air-cooled engine of motorcycle
CN104074568A (en) * 2014-06-24 2014-10-01 力帆实业(集团)股份有限公司 Motorcycle engine oil cooling and lubricating system
CN105401999A (en) * 2015-12-01 2016-03-16 力帆实业(集团)股份有限公司 Motorcycle engine
CN109139173A (en) * 2018-05-15 2019-01-04 重庆大江动力设备制造有限公司 Engine cool and lubricating system
CN109386340A (en) * 2018-12-25 2019-02-26 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
CN109488414A (en) * 2018-12-20 2019-03-19 常州卡斯特铝精密铸造科技有限公司 Novel splicing formula adapter
CN111305926A (en) * 2020-02-19 2020-06-19 重庆鼎工机电有限公司 General engine capable of meeting use of large inclination angle
CN112392571A (en) * 2020-10-30 2021-02-23 广西玉柴机器股份有限公司 Engine oil pump and engine
CN113175371A (en) * 2021-03-26 2021-07-27 重庆鼎工机电有限公司 Silent diesel engine capable of realizing miniaturization and lightweight

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834399B1 (en) * 1978-08-05 1979-10-31 Purolator Filter Gmbh Filter housing with lubricating oil filter and cooler for internal combustion engines of vehicles
JPS63131812A (en) * 1987-02-13 1988-06-03 Honda Motor Co Ltd Oil pan device for engine
US5533554A (en) * 1995-05-22 1996-07-09 Young; Michael E. Engine oil draining system
JP3343800B2 (en) * 1994-12-28 2002-11-11 本田技研工業株式会社 Arrangement structure of oil supply passage to valve train
JP3887070B2 (en) * 1997-06-04 2007-02-28 本田技研工業株式会社 Engine lubrication equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834399B1 (en) * 1978-08-05 1979-10-31 Purolator Filter Gmbh Filter housing with lubricating oil filter and cooler for internal combustion engines of vehicles
JPS63131812A (en) * 1987-02-13 1988-06-03 Honda Motor Co Ltd Oil pan device for engine
JP3343800B2 (en) * 1994-12-28 2002-11-11 本田技研工業株式会社 Arrangement structure of oil supply passage to valve train
US5533554A (en) * 1995-05-22 1996-07-09 Young; Michael E. Engine oil draining system
JP3887070B2 (en) * 1997-06-04 2007-02-28 本田技研工業株式会社 Engine lubrication equipment

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661183B (en) * 2012-05-08 2014-02-26 力帆实业(集团)股份有限公司 Oil circuit system of geared motor with external balance shaft
CN102661183A (en) * 2012-05-08 2012-09-12 力帆实业(集团)股份有限公司 Oil circuit system of geared motor with external balance shaft
CN102705036A (en) * 2012-06-11 2012-10-03 上海三一重机有限公司 System and method for lubricating crankshaft during inclination of engine
CN102705036B (en) * 2012-06-11 2014-06-25 上海三一重机有限公司 System and method for lubricating crankshaft during inclination of engine
CN104047663B (en) * 2014-06-24 2016-05-18 力帆实业(集团)股份有限公司 motorcycle air cooling engine lubricating system
CN104047663A (en) * 2014-06-24 2014-09-17 力帆实业(集团)股份有限公司 Lubrication system of air-cooled engine of motorcycle
CN104074568A (en) * 2014-06-24 2014-10-01 力帆实业(集团)股份有限公司 Motorcycle engine oil cooling and lubricating system
CN105401999B (en) * 2015-12-01 2018-08-17 力帆实业(集团)股份有限公司 Motorcycle engine
CN105401999A (en) * 2015-12-01 2016-03-16 力帆实业(集团)股份有限公司 Motorcycle engine
CN109139173A (en) * 2018-05-15 2019-01-04 重庆大江动力设备制造有限公司 Engine cool and lubricating system
CN109139173B (en) * 2018-05-15 2023-09-22 重庆大江动力设备制造有限公司 Engine cooling and lubricating system
CN109488414A (en) * 2018-12-20 2019-03-19 常州卡斯特铝精密铸造科技有限公司 Novel splicing formula adapter
CN109488414B (en) * 2018-12-20 2024-01-23 常州卡斯特铝精密铸造科技有限公司 Novel spliced adapter
CN109386340A (en) * 2018-12-25 2019-02-26 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
CN111305926A (en) * 2020-02-19 2020-06-19 重庆鼎工机电有限公司 General engine capable of meeting use of large inclination angle
CN112392571A (en) * 2020-10-30 2021-02-23 广西玉柴机器股份有限公司 Engine oil pump and engine
CN112392571B (en) * 2020-10-30 2024-04-05 广西玉柴机器股份有限公司 Engine oil pump and engine
CN113175371A (en) * 2021-03-26 2021-07-27 重庆鼎工机电有限公司 Silent diesel engine capable of realizing miniaturization and lightweight

Also Published As

Publication number Publication date
CN101907005B (en) 2012-06-13

Similar Documents

Publication Publication Date Title
CN101907005B (en) Engine lubricant passage
CN203097995U (en) Cylinder cover oil way integration structure for micro-automobile engine
US6332444B1 (en) Lubricating device for internal combustion engine
CN103452619B (en) The oil-way system of air-powered motor
US6314934B1 (en) Lubricating device for internal combustion engine
CN202810991U (en) Lubricating oil-way system of multi-cylinder aerodynamic engine
CN201671797U (en) Automobile water-cooling air compressor
CN101832252B (en) Energy-saving automobile water-cooling air compressor
CN101943080B (en) Motorcycle engine
CN201696138U (en) Motorcycle engine lubricating oil cooling system
CN102392753B (en) Gear chamber structure of internal combustion engine
US7121163B2 (en) Lubricating system for power unit for vehicle with internal combustion engine
US7264086B2 (en) Lubricating system for internal combustion engine
US6974315B2 (en) Reduced friction gerotor
US7188697B2 (en) Power unit for vehicle with internal combustion engine
CN103206280A (en) Lubricating oil path system of multi-cylinder aerodynamic engine
JP2008274772A (en) Oil cooling device of water-cooled internal combustion engine
CN203685341U (en) Internal-combustion engine
CN206581996U (en) A kind of engine dry lubricating device
CN102758688B (en) Structure of inserting partial bulge of engine gearbox into oil pan
CN201794754U (en) Oil ejector without independent power oil pump
CN202273772U (en) Gear chamber structure of internal combustion engine
CN202811063U (en) Partial protrusion insertion oil pan structure of engine gearbox
CN103256093A (en) Combustion engine lubricating system
CN202560341U (en) Air power engine oil system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120613

CF01 Termination of patent right due to non-payment of annual fee