CN108252795A - A kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system - Google Patents
A kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system Download PDFInfo
- Publication number
- CN108252795A CN108252795A CN201810226463.8A CN201810226463A CN108252795A CN 108252795 A CN108252795 A CN 108252795A CN 201810226463 A CN201810226463 A CN 201810226463A CN 108252795 A CN108252795 A CN 108252795A
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- oil
- clutch
- cylinder block
- weight ratio
- bent axle
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- 238000005183 dynamical system Methods 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 72
- 239000010687 lubricating oil Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0284—Pressure lubrication using lubricating pumps mounting of the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1808—Number of cylinders two
Abstract
The invention discloses a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical systems, including engine body, clutch and retarder, the engine body includes the first cylinder block, the second cylinder block, crankcase, bent axle, engine filter, oil sump, lubricating oil pump and water pump；The lubricating oil pump becomes one with bent axle, and including driving wheel, driven wheel and pump case, one end of the bent axle is connected with driving wheel；In the lower section of pump case, equipped with an inlet space；An oil discharge passage is equipped in oil sump；Oil Guide channel is equipped on the side wall of oil sump and crankcase；The clutch is connected with the other end of bent axle, is equipped with clutch protective shell in the hull outside of clutch, the housing of the retarder is connected by several support plates with clutch protective shell.Structure of the present invention is compacter, and volume smaller, weight is lower, power to weight ratio can be increased to 1.37 ~ 1.8, power to weight ratio improves, so as to greatly promote the performance of engine.
Description
Technical field
The present invention relates to technical field of engines more particularly to a kind of high power to weight ratio technical grade unmanned plane piston engines
Motor-driven Force system.
Background technology
For unmanned plane of the gas take-off weight at 200 ~ 300 kilograms, mostly using whirlpool axle type engine, because of its volume
Small, light-weight, stable working and it is very popular, according to its power to weight ratio of watt level up to 2 ~ 4 kilowatts/kilogram, but its fuel oil disappears
Consumption rate will be higher by 1 ~ 2 times compared with piston-mode motor, up to 900 grams/kilowatt-hour or more.And in the service life and in price, whirlpool
Axle type engine inner vanes shock resistance difference is easily damaged, bearing life then becomes fatefulue problem：Because rotating speed is high, greatly
Jet engine is using the air bearing service life up to thousands of hours, but small-sized whirlpool axis machine can only use contact because of cost problem
Bearing, then the service life can only at most maintain 20 ~ 50 hours；And current imported engine, although lasting a long time, price is very high
It is expensive.
The existing technical grade small-sized piston formula aero-engine in market have the long-life, high reliability, high-efficiency low energy consumption spy
Point, rate of fuel consumption are about 380 ~ 400 grams/kilowatt-hour.But current engine is mostly 2 valves, single spark plug combustion chamber structure,
Make that its air inlet is insufficient, the reasons such as pinking easily occur for large-diameter, if it has to using compared with low compression ratio, so as to reduce burning
The thermal efficiency, the power to weight ratio of final non-supercharged engine only have 0.8 ~ 0.96 kilowatt/kilogram.Simultaneously as existing piston engine
Machine is in assembling process, lubricating oil pump, water pump, clutch and retarder etc., is assembled using ripe product, because
This, in the structure of engine, needs reserved sufficiently large space, so as to cause the volume of entire engine larger；Also,
The weight for causing entire engine is larger so that the power to weight ratio of entire engine is relatively low.
Invention content
For deficiencies of the prior art, it is an object of the invention to big, the weight that solves available engine volume
Greatly, it is motor-driven to provide a kind of high power to weight ratio technical grade unmanned plane piston engine for the problem of power to weight ratio is low, poor performance, price is high
Force system, structure is compacter, and volume smaller, weight is lower, and power to weight ratio can be increased to 1.37 ~ 1.8, and power to weight ratio improves,
So as to greatly promote the performance of engine.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is such：A kind of high power to weight ratio technical grade
Unmanned plane piston-mode motor dynamical system, including engine body, clutch and retarder, the engine body packet
Include the first cylinder block, the second cylinder block, crankcase, bent axle, engine filter, oil sump, lubricating oil pump and water pump；Wherein, described
One cylinder block and the second cylinder block are piston cylinder body, and the V-shaped distribution of two cylinder blocks；It is characterized in that：The machine oil
Pump becomes one with bent axle, and including driving wheel, driven wheel and pump case, the bent axle passes through pump case close to one end of oil sump
It is connected afterwards with driving wheel, and driving wheel can be driven to rotate；
Several pillars are provided in oil sump, the pump case is connected by connecting bolt with pillar；It is corresponding in the lower section of pump case
The position of oil inlet, equipped with an inlet space；The inlet space includes both side plate, a top plate and a strainer, wherein, both side plate is in V
Shape is distributed, and one end is connected, and oil duct on one is formed in the junction of both side plate, the both ends of the strainer and both side plate it is another
One end is connected；The top plate is connected with both side plate, and the upside closing in the space that both side plate and strainer are surrounded, and the top plate
It is close on the downside of upside and pump case；On top plate, the position of oil duct is equipped with an oil-through hole in correspondence, and the oil-through hole and pump case
Oil inlet is connected；An oil discharge passage is equipped in oil sump, one end of the oil discharge passage has oil duct, the lower oil duct
Upper end be connected with the oil outlet of pump case；The Oil Guide channel being connected is equipped on side wall of the oil sump with crankcase, this is led
The upper end of oily channel is connected with the oil inlet end of engine filter；The other end of the oil discharge passage extends to oil sump close to engine filter
Side, and be connected with the lower end of Oil Guide channel；
The other end phase of the clutch and bent axle, wherein, the clutch be centrifugal friction transmission clutch, the clutch
Centrifugal friction piece assembly be connected with bent axle and can be rotated with crankshaft-synchronous；The housing of clutch and the input shaft of retarder
It is connected, and the input shaft of retarder can be driven to rotate；Clutch protective shell is equipped in the hull outside of clutch, which protects
The side of protective case is molded as one with crankcase；The housing of the retarder protects shell phase by several support plates and clutch
Even.
Further, the housing of the water pump is molded as one with crankcase.
Further, the one end of the air inlet pipe of two cylinder blocks far from cylinder block is connected after being connected with inlet manifold；Two vapour
The one end of the exhaust pipe of cylinder body far from cylinder block is connected after being connected with exhaust main；Wherein, the air inlet pipe and exhaust pipe
The equal arc transition in bending place.
Further, the angle between the axial line of the piston of the first cylinder block and the second cylinder block is 90 °.
Further, first cylinder block and the second cylinder block are respectively provided with two inlet valves and two exhaust valves.
Further, first cylinder block and the second cylinder block are respectively provided with two spark plugs, wherein, a spark plug is located at
The middle part for ceiling of burning, another spark plug is between two exhaust valves.
Compared with prior art, the invention has the advantages that：
1st, components multiple in dynamical system reasonably integrate with the principle of high integration, wherein, lubricating oil pump is integrated in
On bent axle, water pump shell is integrated in cylinder body（On crankcase）, clutch is integrated in crankshaft output end, retarder is integrated in clutch
On protective shell, power output then can neatly meet horizontal and vertical axis output both of which, so as to reduce steering shaft and
The parts such as spiral bevel gear, simplify power assembly, greatly reduce the volume of engine, and reduce weight and be manufactured into
This.
2nd, engine power to weight ratio is greatly improved, better reliability, longer life expectancy, and overall price is lower.
3rd, the bent axle of the engine power system can level put, when for unmanned helicopter, can directly export
Driving rotor obtains main shaft, without increasing power output steering.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the assembling structure schematic diagram of lubricating oil pump.
Fig. 3 is the structure diagram of oil sump.
In figure：1-the first cylinder block, the 2-the second cylinder block, 3-crankcase, 4-bent axle, 5-oil sump, 6-machine oil
Pump, 7-water pump, 8-clutch protective shell, 9-retarder, 10-inlet space, 11-oil discharge passage, 12-Oil Guide channel,
13-air inlet pipe.
Specific embodiment
Below in conjunction with accompanying drawings and embodiments, the invention will be further described.
Embodiment：Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of high power to weight ratio technical grade unmanned plane piston engine mechanomotive force
System, including engine body, clutch and retarder 9, the engine body includes the first cylinder block 1, the second cylinder
Body 2, crankcase 3, bent axle 4, engine filter, oil sump 5, lubricating oil pump 6 and water pump 7.Wherein, first cylinder block 1 and second
Cylinder block 2 is piston cylinder body, and the V-shaped distribution of two cylinder blocks；Using the twin-rotor housing of V-type, it can effectively improve and start
The power output of machine.The housing of the water pump 7 is molded as one with crankcase 3.During actual processing, 1 He of the first cylinder block
Angle between the axial line of the piston of second cylinder block 2 is 90 °；So as to make engine balance more preferable, preferably to subtract
Few vibrations.First cylinder block, 1 and second cylinder block 2 is respectively provided with two inlet valves and two exhaust valves.Two cylinder blocks use water
Cold four strokes form cylinder block, so as to avoid due to overheat caused by insufficient lubrication and scuffing of cylinder bore damage.
The lubricating oil pump 6 becomes one with bent axle 4, and including driving wheel, driven wheel and pump case, the bent axle 4 is close
One end of oil sump 5 is connected, and driving wheel can be driven to rotate after passing through pump case with driving wheel；Lubricating oil pump 6 and bent axle 4 are integrated
Together, the composition of lubricating oil pump 6 is not only reduced, and effectively reduces transmission parts, so as to reduce overall volume, is also dropped
Low overall weight.
Several pillars are provided in oil sump 5, the pump case is connected by connecting bolt with pillar.Under pump case
Side, the position of corresponding oil inlet, equipped with an inlet space 10；The inlet space 10 includes both side plate, a top plate and a strainer,
In, the V-shaped distribution of both side plate, one end is connected, and oil duct on one, the both ends of the strainer are formed in the junction of both side plate
It is connected with the other end of both side plate；The top plate is connected with both side plate, and the upper side seal in the space that both side plate and strainer are surrounded
It closes, and is close on the downside of the upside of the top plate and pump case.On top plate, the position of oil duct is equipped with an oil-through hole in correspondence, and should
Oil-through hole is connected with the oil inlet of pump case.An oil discharge passage 11 is equipped in oil sump 5, one end of the oil discharge passage 11 has
There is oil duct, the upper end of the lower oil duct is connected with the oil outlet of pump case.It is equipped on the side wall of oil sump 5 and crankcase 3
The Oil Guide channel 12 being connected, the oil inlet end of the upper end engine filter of the Oil Guide channel 12 are connected；The oil discharge passage 11 it is another
One end extends to oil sump 5 close to the side of engine filter, and is connected with the lower end of Oil Guide channel 12.By the oil inlet of lubricating oil pump 6
Room 10 is integrated in into oil discharge passage 11 and Oil Guide channel 12 on oil sump 5 and crankcase 3, whole so as to create a further reduction
The weight of a engine, and overall structure stability is more preferable, can effectively improve the service life of engine.
The clutch is connected with the other end of bent axle 4, wherein, the clutch is centrifugal friction transmission clutch,
The centrifugal friction piece assembly of the clutch is connected with bent axle 4 and can be rotated synchronously with bent axle 4；The housing of clutch and deceleration
The input shaft of device 9 is connected, and the input shaft of retarder 9 can be driven to rotate；It is protected in the hull outside of clutch equipped with clutch
Shell 8, side and the crankcase 3 of the clutch protective shell 8 are molded as one；The housing of the retarder 9 passes through several support plates
It is connected with clutch protective shell 8.
Lubricating oil pump 6 is integrated on bent axle 4 by the present invention, 7 shell of water pump is integrated in cylinder body（On crankcase 3）, clutch collection
Into in 4 output terminal of bent axle, retarder 9 be integrated on clutch protective shell 8, power output then can neatly satisfaction it is horizontal and vertical
D-axis exports both of which, so as to reduce the parts such as steering shaft and spiral bevel gear, simplifies power assembly, greatly reduces hair
The volume of motivation, and reduce weight and manufacture cost；Meanwhile engine power to weight ratio is greatly improved, better reliability,
Longer life expectancy, and overall price is lower.
In specific implementation process, the one end of air inlet pipe 13 far from cylinder block of two cylinder blocks be connected after with inlet manifold's phase
Connection；The one end of the exhaust pipe of two cylinder blocks far from cylinder block is connected after being connected with exhaust main；Wherein, the air inlet pipe 13
With the equal arc transition in bending place of exhaust pipe；By air inlet-outlet pipe using " in point " structure, so as to prevent two cylinders from mutually " robbing
Has channeling gas ", and air inlet-outlet pipe smoothly transits and efficiently avoids the linear loss and local losses of air-flow.To improve engine
Efficiency, 1 and second cylinder block 2 of the first cylinder block are respectively provided with two spark plugs, wherein, a spark plug is located at burning ceiling
Middle part, another spark plug is between two exhaust valves.In this way, the control respectively for passing through time of ignition so that timesharing shape in cylinder
Into two flame kernels, center spark plug is promoted for main flame kernel flame from combustion chamber center to edge, mounted on two exhausts
Between door（It is secondary）Plug ignition, effectively prevents the generation of end gas natural contral pinking, and dual ignition plug accelerates fire
Flame is propagated without pinking, and effectively improves mechanical efficiency.
It is strong meeting in terms of material selection and process further to reduce the weight and price of entire engine
Quality-high and inexpensive light material is selected under the premise of degree requirement, as air inlet pipe 13 and oil return pipe use nylon66 fiber or PA12, part tooth
Wheel selects PA66 i.e. reduction, and weight reduces noise and impact again, cover board and support element then selects PA6 etc., and main screw lift has obtained greatly
Amplitude declines.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than restriction technologies side
Case, it will be understood by those of ordinary skill in the art that, those are modified or replaced equivalently technical scheme of the present invention, and
The objective and range of the technical program are not departed from, is intended to be within the scope of the claims of the invention.
Claims (6)
1. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system, including engine body, clutch with
And retarder, the engine body include the first cylinder block, the second cylinder block, crankcase, bent axle, engine filter, oil sump, machine
Oil pump and water pump；Wherein, first cylinder block and the second cylinder block are piston cylinder body, and two cylinder blocks are V-shaped
Distribution；It is characterized in that：The lubricating oil pump becomes one with bent axle, including driving wheel, driven wheel and pump case, the bent axle
One end of close oil sump is connected, and driving wheel can be driven to rotate after passing through pump case with driving wheel；
Several pillars are provided in oil sump, the pump case is connected by connecting bolt with pillar；It is corresponding in the lower section of pump case
The position of oil inlet, equipped with an inlet space；The inlet space includes both side plate, a top plate and a strainer, wherein, both side plate is in V
Shape is distributed, and one end is connected, and oil duct on one is formed in the junction of both side plate, the both ends of the strainer and both side plate it is another
One end is connected；The top plate is connected with both side plate, and the upside closing in the space that both side plate and strainer are surrounded, and the top plate
It is close on the downside of upside and pump case；On top plate, the position of oil duct is equipped with an oil-through hole in correspondence, and the oil-through hole and pump case
Oil inlet is connected；An oil discharge passage is equipped in oil sump, one end of the oil discharge passage has oil duct, the lower oil duct
Upper end be connected with the oil outlet of pump case；The Oil Guide channel being connected is equipped on side wall of the oil sump with crankcase, this is led
The upper end of oily channel is connected with the oil inlet end of engine filter；The other end of the oil discharge passage extends to oil sump close to engine filter
Side, and be connected with the lower end of Oil Guide channel；
The clutch is connected with the other end of bent axle, wherein, the clutch be centrifugal friction transmission clutch, the clutch
The centrifugal friction piece assembly of device is connected with bent axle and can be rotated with crankshaft-synchronous；The input of the housing and retarder of clutch
Axis is connected, and the input shaft of retarder can be driven to rotate；Clutch protective shell, the clutch are equipped in the hull outside of clutch
The side of protective shell is molded as one with crankcase；The housing of the retarder protects shell phase by several support plates and clutch
Even.
2. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, special
Sign is：The housing of the water pump is molded as one with crankcase.
3. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, special
Sign is：The one end of the air inlet pipe of two cylinder blocks far from cylinder block is connected after being connected with inlet manifold；The exhaust of two cylinder blocks
The one end of pipe far from cylinder block is connected after being connected with exhaust main；Wherein, the bending place of the air inlet pipe and exhaust pipe is round
Arc transition.
4. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, special
Sign is：Angle between the axial line of the piston of first cylinder block and the second cylinder block is 90 °.
5. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 1, special
Sign is：First cylinder block and the second cylinder block are respectively provided with two inlet valves and two exhaust valves.
6. a kind of high power to weight ratio technical grade unmanned plane piston-mode motor dynamical system according to claim 5, special
Sign is：First cylinder block and the second cylinder block are respectively provided with two spark plugs, wherein, a spark plug is located at burning ceiling
Middle part, another spark plug is between two exhaust valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226463.8A CN108252795B (en) | 2018-03-19 | 2018-03-19 | Piston type engine power system for high-power-weight-ratio industrial unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226463.8A CN108252795B (en) | 2018-03-19 | 2018-03-19 | Piston type engine power system for high-power-weight-ratio industrial unmanned aerial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108252795A true CN108252795A (en) | 2018-07-06 |
| CN108252795B CN108252795B (en) | 2024-03-26 |
Family
ID=62746943
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810226463.8A Active CN108252795B (en) | 2018-03-19 | 2018-03-19 | Piston type engine power system for high-power-weight-ratio industrial unmanned aerial vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN108252795B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213221A (en) * | 2000-11-16 | 2002-07-31 | Honda Motor Co Ltd | Oil pump mounting structure of engine |
| KR101173255B1 (en) * | 2012-05-03 | 2012-08-10 | 국방과학연구소 | Oil pan and oil supplying system having the same |
| US20130255617A1 (en) * | 2012-03-28 | 2013-10-03 | Honda Motor Co., Ltd. | Engine having oil pump |
| CN105257404A (en) * | 2015-11-24 | 2016-01-20 | 白云龙 | Horizontally opposed range extender |
| CN207934986U (en) * | 2018-03-19 | 2018-10-02 | 李洋涛 | High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
-
2018
- 2018-03-19 CN CN201810226463.8A patent/CN108252795B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213221A (en) * | 2000-11-16 | 2002-07-31 | Honda Motor Co Ltd | Oil pump mounting structure of engine |
| US20130255617A1 (en) * | 2012-03-28 | 2013-10-03 | Honda Motor Co., Ltd. | Engine having oil pump |
| KR101173255B1 (en) * | 2012-05-03 | 2012-08-10 | 국방과학연구소 | Oil pan and oil supplying system having the same |
| CN105257404A (en) * | 2015-11-24 | 2016-01-20 | 白云龙 | Horizontally opposed range extender |
| CN207934986U (en) * | 2018-03-19 | 2018-10-02 | 李洋涛 | High power to weight ratio technical grade unmanned plane piston-mode motor dynamical system |
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| Publication number | Publication date |
|---|---|
| CN108252795B (en) | 2024-03-26 |
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