CN104989522A - Four-stroke engine of vertical shaft OHC structure - Google Patents
Four-stroke engine of vertical shaft OHC structure Download PDFInfo
- Publication number
- CN104989522A CN104989522A CN201510403394.XA CN201510403394A CN104989522A CN 104989522 A CN104989522 A CN 104989522A CN 201510403394 A CN201510403394 A CN 201510403394A CN 104989522 A CN104989522 A CN 104989522A
- Authority
- CN
- China
- Prior art keywords
- chamber
- cylinder head
- oil
- lubricating oil
- 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
Links
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a four-stroke engine of a vertical shaft OHC structure. The four-stroke engine of the vertical shaft OHC structure comprises an engine body and a timing transmission mechanism arranged above the engine body. The engine body mainly comprises a crankcase, a cylinder body and a cylinder head. The timing transmission mechanism is mainly composed of a driving belt wheel, a timing belt and a driven belt wheel which are located above the oil face of lubrication oil, and further mainly comprises a gas distribution mechanism, a lubrication mechanism and an oil-gas separation and lubrication oil recycling mechanism. The gas distribution mechanism is mainly composed of a cam, a cam rocker, a cam transmission shaft and an inlet and exhaust valve. The lubrication mechanism mainly comprises a lubrication oil mist generation mechanism and a lubrication channel. The oil-gas separation and lubrication oil recycling mechanism mainly comprises a cylinder head cavity, a partition board and a returned oil sucker. The novel vertical shaft OHC structure is adopted and the oil mist lubrication mode is adopted; the structural design is reasonable and compact; the cost is low; the consumption of the lubrication oil can be effectively reduced; engine emission is optimized; the operation reliability of the engine is improved.
Description
technical field:
The present invention relates to petrol engine field, particularly a kind of engine output shaft supports the use the four-stroke gasoline engine of state vertically downward, is specifically related to a kind of vertical shaft OHC structure four stroke engine.
background technique:
The motor of output shaft using state is vertically downward mainly used in rotary tiller.Motor mainly two-stroke gasoline engine and the minority four stroke engine of the output shaft that uses of supporting rotary cultivator using state vertically downward in the past.Two-stroke gasoline engine can not meet the requirement of people to environmental protection and comfort greatly owing to discharging high, noise; The matching used four stroke engine of current institute general type often, owing to taking into account, different using states etc. are multiple supports the use requirement to its performance, for the poor-performing under output shaft vertically downward using state, particularly output shaft is vertically downward under using state, engine cylinder-body is in level, lubricant oil oversupply, increases bent axle running resistance on the one hand, increases power loss; On the other hand, easily cause lubricant oil to alter in cylinder head combustion chamber, cause the adverse effects such as lubrication oil consumption is excessive, cylinder head carbon distribution, motor deterioration of emission, operational reliability variation thus.
Summary of the invention
The object of the invention is to solve the poor-performing vertically downward under using state of engine output shaft in prior art, the technology such as lubrication oil consumption is excessive, operational reliability is poor
problem, provide "a kind of vertical shaft OHC structure four stroke engine ".This motor adopts a kind of novel vertical-axis OHC structure, adopt oil mist lubrication mode, reasonable in design, cost are low, effectively can reduce lubrication oil consumption, optimize motor discharge, improve the performance of engine output shaft vertically downward under using state, reduce the power loss of motor, improve motor operational reliability.
To achieve these goals, the present invention is achieved through the following technical solutions,
a kind of vertical shaft OHC structure four stroke enginecomprise engine main body and be arranged at the timing drive above engine main body, described engine main body mainly comprises crankcase, cylinder body and cylinder head, and described timing drive is primarily of being positioned at the driving pulley of lubricant oil ullage, timing belt and driven pulley composition.
Mainly also comprise distribution device, lubricating structure, Oil-gas Separation and lubricant oil recovering mechanism, described distribution device forms primarily of cam, cam rocker arm, cam drive axle and inlet and exhaust valve, described cam and cam rocker arm are positioned at the cylinder head chamber be jointly made up of cylinder head upper end portion and cylinder head cover, the two ends of cam drive axle run through driven pulley and cam respectively with support hole under supported hole on the cylinder head being placed in cylinder head apical position and cylinder head and be rotatably connected, cam drive axle is connected with driven pulley and cam with pin II respectively by pin I; Described lubricating structure mainly comprises lubricant mist and produces mechanism and lubrication channel, and described Oil-gas Separation and lubricant oil recovering mechanism mainly comprise cylinder head chamber, dividing plate, resuscitation apparatus chamber, oil return suction pipe, lubricating oil sump and gas-oil separation filter screen.
Further technological scheme is, be provided with the dividing plate for cylinder head chamber being separated into distribution device chamber and resuscitation apparatus chamber near cylinder head cover inner top position in cylinder head chamber, dividing plate intercommunicating pore and dividing plate backflow aperture is respectively equipped with in the side of dividing plate and lower position, dividing plate intercommunicating pore is for being communicated with distribution device chamber and resuscitation apparatus chamber, the output port of intercommunicating pore is provided with gas-oil separation filter screen, in cylinder head chamber inlet and exhaust valve and lower end position be provided with lubricating oil sump.
Further technological scheme is, described lubricant mist produces mechanism and arranges like this, and lubricating oil tank room is arranged on above engine main body, and motor output mechanism is arranged on below engine main body, bent axle
verticallyto be supported on crankcase and to be arranged on crankcase chamber, crankshaft output end is to downward-extension and be connected with the motor output mechanism be arranged on below engine main body, the other end upwards extends through lubricating oil tank room and driving pulley is arranged, run through bent axle and be upwards provided with the intercommunicating pore for being communicated with lubricating oil tank room and crankcase chamber in position, extension, the upper end open of intercommunicating pore is positioned at above driving pulley and exchange premium lubricating oil tank room tip portion inwall and arranges, and the throwing oil skipper stretched in lubricant oil is arranged on the below of timing driving pulley and affixed with bent axle.
Further technological scheme is, described lubrication channel arranges like this, and one-way valve is arranged on the bottom of crankcase chamber, and its delivery outlet is communicated with conveyance conduit entrance, and conveyance conduit outlet is communicated with cylinder head chamber, and described conveyance conduit outlet is pressed close to cam and arranged; Lubrication channel is formed successively by upper end open, intercommunicating pore, crankcase chamber, one-way valve, conveyance conduit, conveyance conduit outlet, cylinder head chamber.
Further technological scheme is, described oil-gas separation mechanism forms via cylinder head chamber, dividing plate intercommunicating pore, resuscitation apparatus chamber, gas-oil separation filter screen, dividing plate backflow aperture and lubricating oil sump.
Further technological scheme is, described lubricant oil recovering mechanism arranges like this, the suitable position of timing belt is provided with the belt guidance for being communicated with lubricating oil tank room in chamber, outside, belt guidance lower end surface is arranged higher than lubrication oil surface level, chamber, described outside is the cavity structure be jointly made up of belt guidance and cylinder head cover, and driven pulley is in chamber, outside; Be provided with inlet opening, cylinder head chamber in the side in cylinder head chamber, the side in chamber, outside is provided with chamber, the outside intercommunicating pore communicated with inlet opening, cylinder head chamber, lubricating oil return suction pipe is provided with in cylinder head chamber, the two ends of described lubricating oil return suction pipe are communicated with lubricating oil bath with inlet opening, cylinder head chamber respectively, form lubricant oil recovering mechanism thus via lubricating oil sump, oil return suction pipe suction port, lubricating oil return suction pipe, inlet opening, cylinder head chamber, chamber, outside and lubricating oil tank room.
The present invention compared with prior art tool has the following advantages:
1, the present invention adopts a kind of novel vertical-axis OHC structure, adopt oil mist lubrication mode, reasonable in design is compact, cost is low, effectively can reduce lubrication oil consumption, optimize motor discharge, improve the performance of engine output shaft vertically downward under using state, reduce the power loss of motor, improve motor operational reliability.
2, producing mechanism because being provided with lubricant mist, under motor vertical operation state, effectively can prevent the larger lubricant oil oil droplet of not atomization from excessively entering engine crankcase indoor, reducing lubricant oil abnormal consumption.
3, OHC distribution device is provided with because improving, determined by this structural design, conveyance conduit outlet is pressed close to cam and is arranged, establish good lubrication channel, miscellaneous part in engine cam and distribution device obtains sufficient lubrication, effectively reduce the unit exception wearing and tearing such as cam, improve motor operational reliability, increasing service life of engine.
4, the present invention is because being provided with oil-gas separation mechanism and lubricant oil recovering mechanism, reaches further and both lubricates appropriateness, guarantees that again lubricating oil separation reclaims, and reaches energy-saving and cost-reducing object.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is lubricant oil recovering mechanism structural representation of the present invention.
In figure: 11, crankcase, 111, crankcase chamber, 12, cylinder body, 13, bent axle, 131, crankshaft output end, 14, connecting rod, 15, piston, 21, driving pulley, 22, timing belt, 221, belt guidance, 23, driven pulley, 31, cylinder head, 311, supported hole on cylinder head, 312, hole is supportted under cylinder head, 32, cylinder head cover, 33, cylinder head chamber, 34, cam, 35, cam drive axle, 351, pin I, 352, pin II, 36, chamber, outside, 37, resuscitation apparatus chamber, 38, dividing plate, 381, dividing plate intercommunicating pore, 382, dividing plate backflow aperture, 39, inlet and exhaust valve, 391, valve rocker, 41, intercommunicating pore, 42, upper end open, 43, throw oil skipper, 44, lubricant oil pasta, 45, lubricating oil tank room, 46, one-way valve, 47, conveyance conduit, 471, conveyance conduit exports, 51, lubricating oil return suction pipe, 511, chamber, outside intercommunicating pore, 512, inlet opening, cylinder head chamber, 52, lubricating oil sump, 521, oil return suction pipe suction port, 53, gas-oil separation filter screen.
Embodiment
Set forth the present invention further below by non-limiting example, understand the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of vertical shaft OHC structure four stroke engine, main technological scheme is, comprises engine main body and is arranged at the timing drive above engine main body.Described engine main body mainly comprises crankcase, cylinder body and cylinder head.Described timing drive is primarily of being positioned at the driving pulley of lubricant oil ullage, timing belt and driven pulley composition.Mainly also comprise distribution device, lubricating structure, Oil-gas Separation and lubricant oil recovering mechanism.Described distribution device forms primarily of cam, cam rocker arm, cam drive axle and inlet and exhaust valve, described cam and cam rocker arm are positioned at the cylinder head chamber be jointly made up of cylinder head upper end portion and cylinder head cover, the two ends of cam drive axle run through driven pulley and cam respectively with support hole under supported hole on the cylinder head being placed in cylinder head apical position and cylinder head and be rotatably connected, cam drive axle is connected with driven pulley and cam with pin II respectively by pin I, to transmit driving torque.Described lubricating structure produces mechanism and lubrication channel composition primarily of lubricant mist.Described Oil-gas Separation and lubricant oil recovering mechanism mainly comprise cylinder head chamber, dividing plate, resuscitation apparatus chamber, oil return suction pipe, chamber, outside, belt guidance, oil sump and gas-oil separation filter screen.
Be provided with the dividing plate for cylinder head chamber being separated into distribution device chamber and resuscitation apparatus chamber near cylinder head cover inner top position in cylinder head chamber, dividing plate intercommunicating pore and dividing plate backflow aperture is respectively equipped with in the side of dividing plate and lower position, dividing plate intercommunicating pore is for being communicated with distribution device chamber and resuscitation apparatus chamber, the output port of intercommunicating pore is provided with gas-oil separation filter screen, and in distribution device chamber, the lower end position of inlet and exhaust valve and valve rocker 391 is provided with lubricating oil sump.
Lubricating oil sump collects the lubricant oil from distribution device chamber, resuscitation apparatus chamber separate and subside; The lubricating oil sump of below is directly pooled at the lubricant oil of distribution device chamber separate and subside; Lubricating oil sump is flow into from the dividing plate of dividing plate lower position backflow aperture under gravity at the lubricant oil of resuscitation apparatus chamber separate and subside.
Described lubricant mist produces mechanism and arranges like this, and lubricating oil tank room is arranged on above engine main body, and motor output mechanism is arranged on below engine main body, bent axle
verticallyto be supported on crankcase and to be arranged on crankcase chamber, crankshaft output end is to downward-extension and be connected with the motor output mechanism be arranged on below engine main body, the other end upwards extends through lubricating oil tank room and driving pulley is arranged, upwards the intercommunicating pore for being communicated with lubricating oil tank room and crankcase chamber is provided with in position, extension at bent axle, the upper end open of intercommunicating pore to be positioned at above timing driving pulley and to press close to lubricating oil tank room tip portion inwall and arranges, the throwing oil skipper stretched in lubricant oil is arranged on the timing below of driving pulley and affixed with bent axle, lubricant mist is produced for stirring lubricant oil.
Described lubrication channel arranges like this, one-way valve is arranged on the bottom of crankcase chamber, its delivery outlet is communicated with conveyance conduit entrance, conveyance conduit outlet is communicated with cylinder head chamber, forms lubrication channel successively by T-shaped upper end open, intercommunicating pore, crankcase chamber, one-way valve, conveyance conduit, conveyance conduit outlet, cylinder head chamber.
Described oil-gas separation mechanism forms via cylinder head chamber, dividing plate intercommunicating pore, resuscitation apparatus chamber, gas-oil separation filter screen, dividing plate backflow aperture and lubricating oil sump.
Described lubricant oil recovering mechanism arranges like this, the suitable position of timing belt is provided with the belt guidance for being communicated with lubricating oil tank room in chamber, outside, belt guidance lower end surface is arranged higher than lubrication oil surface level, chamber, described outside is the cavity structure be jointly made up of belt guidance and cylinder head cover, and driven pulley is in chamber, outside; Be provided with inlet opening, cylinder head chamber in the side in cylinder head chamber, be provided with chamber, the outside intercommunicating pore communicated with inlet opening, cylinder head chamber in the side in chamber, outside, lubricating oil return suction pipe is provided with in cylinder head chamber, the two ends of described lubricating oil return suction pipe are communicated with lubricating oil bath with inlet opening, cylinder head chamber respectively, form lubricant oil recovering mechanism thus via lubricating oil sump, oil return suction pipe suction port, lubricating oil return suction pipe, inlet opening, cylinder head chamber, chamber, outside and lubricating oil tank room.
Further illustrate below and adopt arrangement works running designed by the present invention.
Under the pulsating vacuum pressure effect of engine crankcase room, at the mist of oil of the indoor generation of lubricating oil tank by bent axle enters into crankcase chamber after intercommunicating pore upper end open, intercommunicating pore, lubrication is realized to cylinder body 12, bent axle 13, connecting rod 14 and piston 15.Under motor vertical operation state, because intercommunicating pore upper end open is in higher position, thrown in lubricating oil tank room under the larger Lubricating Oil spattered drops in Action of Gravity Field and concentrated on bottom, lubricating oil tank room, so just effectively prevent larger lubricant oil oil droplet from entering into crankcase chamber by intercommunicating pore upper end open, prevent the lubricant oil of crankcase chamber excessive, reduce the operate power loss of the moving elements such as the bent axle caused because lubricant oil is excessive, also prevent the excessive lubricant oil caused of lubricant oil from altering cylinder head carbon distribution, deterioration of emission and the lubricant oil abnormal consumption caused into cylinder head combustion chamber.
When crankcase chamber fluctuation pressure is malleation, the mist of oil of crankcase chamber, the oil droplet of crankcase chamber sedimentation and cylinder body gas leakage enter in cylinder head chamber by one-way valve, conveyance conduit, conveyance conduit outlet successively, press close to cam due to conveyance conduit outlet to arrange, first mist of oil, oil droplet carry out sufficient lubrication to cam, the burn wearing and tearing preventing cam lack of lubrication from causing; Mist of oil, oil droplet and cylinder head gas leakage enter into distribution device chamber, and by the port hole on dividing plate, enter into breathing chamber, after the separated mist of oil of gas-oil separation filter screen, are separated clean gas leakage from breathing chamber outlet removal of lubricant; The mixed gas of mist of oil, oil droplet and cylinder body gas leakage composition is by gas-oil separation filter screen Oil-gas Separation process in distribution device chamber, resuscitation apparatus chamber, and lubricant oil progressively separates formation oil droplet from mist of oil gas; In distribution device chamber, isolated oil droplet is pooled to lubricating oil sump under gravity, flow into lubricating oil sump under gravity at the lubricant oil of resuscitation apparatus chamber separate and subside from the dividing plate of dividing plate lower position backflow aperture.
Under the pulsating vacuum pressure effect of engine crankcase room, negative pressure is delivered to oil return suction pipe suction port by intercommunicating pore that bent axle is arranged, lubricating oil tank room, belt guidance, chamber, outside, chamber, outside intercommunicating pore, lubricating oil return suction pipe, be pooled in cylinder head chamber in lubricating oil sump, after the lubricant oil of separate and subside is inhaled into chamber, outside by lubricating oil return suction pipe, gets back to lubricating oil tank indoor.
In sum, the present invention adopts a kind of novel vertical-axis OHC structure, adopt oil mist lubrication mode, reasonable in design is compact, cost is low, effectively can reduce lubrication oil consumption, optimize motor discharge, improve the performance of engine output shaft vertically downward under using state, reduce the power loss of motor, improve motor operational reliability.
Claims (6)
1. a vertical shaft OHC structure four stroke engine, comprise engine main body and be arranged at the timing drive above engine main body, described engine main body mainly comprises crankcase (11), cylinder body (12) and cylinder head (31), described timing drive is primarily of the driving pulley (21) being positioned at lubricant oil pasta (44) top, timing belt (22) and driven pulley (23) composition, it is characterized in that, mainly also comprise distribution device, lubricating structure, Oil-gas Separation and lubricant oil recovering mechanism, described distribution device is primarily of cam (34), cam rocker arm (391), cam drive axle (35) and inlet and exhaust valve (39) composition, described cam (34) and cam rocker arm (391) are positioned at the cylinder head chamber (33) be jointly made up of cylinder head (31) upper end portion and cylinder head cover (32), the two ends of cam drive axle (35) run through timing driven pulley (23) and cam (34) respectively with support hole (312) under supported hole (311) on the cylinder head being placed in cylinder head (31) apical position and cylinder head and be rotatably connected, cam drive axle (35) is connected with timing driven pulley (23) and cam (34) with pin II (352) respectively by pin I (351), described lubricating structure mainly comprises lubricant mist and produces mechanism and lubrication channel, and described Oil-gas Separation and lubricant oil recovering mechanism mainly comprise cylinder head chamber (33), dividing plate (38), resuscitation apparatus chamber (37), oil return suction pipe (51), lubricating oil sump (52) and gas-oil separation filter screen (53).
2. a kind of vertical shaft OHC structure four stroke engine according to claim 1, it is characterized in that, be provided with the dividing plate (38) for cylinder head chamber (33) being separated into distribution device chamber and resuscitation apparatus chamber (37) near cylinder head cover (32) inner top position in cylinder head chamber (33), dividing plate intercommunicating pore (381) and dividing plate backflow aperture (382) is respectively equipped with in the side of dividing plate (38) and lower position, dividing plate intercommunicating pore (381) is for being communicated with distribution device chamber and resuscitation apparatus chamber (37), the output port of intercommunicating pore (381) is provided with gas-oil separation filter screen (53), in cylinder head chamber (33), the lower end position of inlet and exhaust valve (39) is provided with lubricating oil sump (52).
3. a kind of vertical shaft OHC structure four stroke engine according to claim 1, it is characterized in that, described lubricant mist produces mechanism and arranges like this, lubricating oil tank room (45) is arranged on above engine main body, motor output mechanism is arranged on below engine main body, bent axle (13) vertical support goes up at crankcase (11) and is arranged in crankcase chamber (111), crankshaft output end (131) is to downward-extension and be connected with the motor output mechanism be arranged on below engine main body, the other end upwards extends through lubricating oil tank room (45) and driving pulley (21) is arranged, run through bent axle (13) and be upwards provided with the intercommunicating pore (41) for being communicated with lubricating oil tank room (45) and crankcase chamber (111) in position, extension, the upper end open (42) of intercommunicating pore (41) is positioned at driving pulley (21) top and exchange premium lubricating oil tank room (45) tip portion inwall is arranged, the throwing oil skipper (43) stretched in lubricant oil is arranged on the below of driving pulley (21) and affixed with bent axle (13).
4. a kind of vertical shaft OHC structure four stroke engine according to claim 1, it is characterized in that, described lubrication channel arranges like this, one-way valve (46) is arranged on the bottom of crankcase chamber (111), its delivery outlet is communicated with conveyance conduit (47) entrance, conveyance conduit outlet (471) is communicated with cylinder head chamber (33), described conveyance conduit outlet (471) is pressed close to cam (34) and is arranged, successively by upper end open (42), intercommunicating pore (41), crankcase chamber (111), one-way valve (46), conveyance conduit (47), conveyance conduit outlet (471), cylinder head chamber (33) forms lubrication channel.
5. a kind of vertical shaft OHC structure four stroke engine according to claim 1, it is characterized in that, described oil-gas separation mechanism forms via cylinder head chamber (33), dividing plate intercommunicating pore (381), resuscitation apparatus chamber (37), gas-oil separation filter screen (53), dividing plate backflow aperture (382) and lubricating oil sump (52).
6. a kind of vertical shaft OHC structure four stroke engine according to claim 1, it is characterized in that, described lubricant oil recovering mechanism arranges like this, the belt guidance (221) for chamber, outside (36) being communicated with lubricating oil tank room (45) is provided with in timing belt (22) suitable position, belt guidance (221) lower end surface is arranged higher than lubrication pasta (44) position, chamber, described outside (36) is the cavity structure be jointly made up of with cylinder head cover (32) belt guidance (221), and driven pulley (23) is in chamber, outside (36), inlet opening, cylinder head chamber (512) is provided with in the side of cylinder head chamber (33), the side in chamber, outside (36) is provided with the chamber, outside intercommunicating pore (511) communicated with inlet opening, cylinder head chamber (512), lubricating oil return suction pipe (51) is provided with in cylinder head chamber (33), the two ends of described lubricating oil return suction pipe (51) are communicated with lubricating oil bath (52) with inlet opening, cylinder head chamber (512) respectively, thus via lubricating oil sump (52), oil return suction pipe suction port (521), lubricating oil return suction pipe (51), inlet opening, cylinder head chamber (512), chamber, outside (36) and lubricating oil tank room (45) forms lubricant oil recovering mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403394.XA CN104989522A (en) | 2015-07-11 | 2015-07-11 | Four-stroke engine of vertical shaft OHC structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510403394.XA CN104989522A (en) | 2015-07-11 | 2015-07-11 | Four-stroke engine of vertical shaft OHC structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989522A true CN104989522A (en) | 2015-10-21 |
Family
ID=54301389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510403394.XA Pending CN104989522A (en) | 2015-07-11 | 2015-07-11 | Four-stroke engine of vertical shaft OHC structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989522A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901306A (en) * | 2021-01-22 | 2021-06-04 | 重庆鼎工机电有限公司 | Lubricating oil circuit system of rocker arm type side cam gasoline engine |
| CN112901307A (en) * | 2021-01-22 | 2021-06-04 | 重庆鼎工机电有限公司 | Power assembly for small variable frequency generator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309878A (en) * | 1993-03-22 | 1994-05-10 | Tecumseh Products Company | Pulsed pressure lubrication system for an overhead valve engine |
| US20010029921A1 (en) * | 2000-03-14 | 2001-10-18 | Keita Ito | Handheld type four-cycle engine |
| EP1172529A1 (en) * | 2000-07-11 | 2002-01-16 | Honda Giken Kogyo Kabushiki Kaisha | 4-cycle engine |
| CN2777203Y (en) * | 2004-10-27 | 2006-05-03 | 天津朝霞摩托车技术开发有限公司 | Four stroke 360 degree turning petro engine |
| CN101749070A (en) * | 2008-12-14 | 2010-06-23 | 杨祥稳 | Arbitrary turnover four-stroke engine |
| CN101956587A (en) * | 2009-07-15 | 2011-01-26 | 江苏苏美达五金工具有限公司 | Random overturning type miniature four-stroke gasoline engine |
| CN204877673U (en) * | 2015-07-11 | 2015-12-16 | 江苏林海动力机械集团公司 | Vertical axis OHC structure four -stroke engine |
-
2015
- 2015-07-11 CN CN201510403394.XA patent/CN104989522A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309878A (en) * | 1993-03-22 | 1994-05-10 | Tecumseh Products Company | Pulsed pressure lubrication system for an overhead valve engine |
| US20010029921A1 (en) * | 2000-03-14 | 2001-10-18 | Keita Ito | Handheld type four-cycle engine |
| EP1172529A1 (en) * | 2000-07-11 | 2002-01-16 | Honda Giken Kogyo Kabushiki Kaisha | 4-cycle engine |
| CN2777203Y (en) * | 2004-10-27 | 2006-05-03 | 天津朝霞摩托车技术开发有限公司 | Four stroke 360 degree turning petro engine |
| CN101749070A (en) * | 2008-12-14 | 2010-06-23 | 杨祥稳 | Arbitrary turnover four-stroke engine |
| CN101956587A (en) * | 2009-07-15 | 2011-01-26 | 江苏苏美达五金工具有限公司 | Random overturning type miniature four-stroke gasoline engine |
| CN204877673U (en) * | 2015-07-11 | 2015-12-16 | 江苏林海动力机械集团公司 | Vertical axis OHC structure four -stroke engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901306A (en) * | 2021-01-22 | 2021-06-04 | 重庆鼎工机电有限公司 | Lubricating oil circuit system of rocker arm type side cam gasoline engine |
| CN112901307A (en) * | 2021-01-22 | 2021-06-04 | 重庆鼎工机电有限公司 | Power assembly for small variable frequency generator |
| CN112901307B (en) * | 2021-01-22 | 2022-06-10 | 重庆鼎工机电有限公司 | Power assembly for small variable frequency generator |
| CN112901306B (en) * | 2021-01-22 | 2022-06-21 | 重庆鼎工机电有限公司 | Lubricating oil circuit system of rocker arm type side cam gasoline engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005026504A1 (en) | A small four-stroke gasoline engine with oil mist lubrication | |
| CN101270683A (en) | Gas oil separation structure of internal combustion engine crankcase ventilation system | |
| CN202810991U (en) | Lubricating oil-way system of multi-cylinder aerodynamic engine | |
| CN101598046A (en) | The lubricating fitting of air-cooled general-purpose engine | |
| CN204877673U (en) | Vertical axis OHC structure four -stroke engine | |
| CN104989522A (en) | Four-stroke engine of vertical shaft OHC structure | |
| CN101280704B (en) | Arbitrary overturn four-stroke cycle engine | |
| CN101749074A (en) | Lubricating method and lubricating structure of four-stroke gasoline engine | |
| CN100501137C (en) | Vertical type single-cylinder diesel engine | |
| US6199532B1 (en) | Four-stroke engine | |
| CN201016309Y (en) | Upright single-cylinder diesel engine | |
| CN103206280A (en) | Lubricating oil path system of multi-cylinder aerodynamic engine | |
| CN201354658Y (en) | Engine lubricating device | |
| CN113047923B (en) | Outboard engine and separated lubricating system thereof | |
| CN105697141B (en) | Air-cooled Λ type two-stroke double stopper type diesel supercharging engine | |
| CN214887277U (en) | Outboard engine and separated type lubricating system thereof | |
| CN102840007A (en) | Crankcase ventilation system | |
| CN204283546U (en) | Logical machine cylinder head lubricating structure | |
| JPH11107734A (en) | Blow-by gas recirculation device for outboard engine | |
| CN201310396Y (en) | Lubricating system structure of four-stroke petrol engine | |
| CN201496119U (en) | Diaphragm pump lubricating four-stroke-cycle 360-degree turning gasoline engine | |
| CN206129428U (en) | Cylinder end lid respiratory | |
| CN202091146U (en) | Matching structure of air-suction silencer and cylinder cover of compressor | |
| CN201027555Y (en) | Vertical single-cylinder diesel engine | |
| CN206468391U (en) | Four-stroke engine lubricating 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151021 |