CN111645868A - Large-scale freight transportation unmanned aerial vehicle starting system - Google Patents
Large-scale freight transportation unmanned aerial vehicle starting system Download PDFInfo
- Publication number
- CN111645868A CN111645868A CN202010541104.9A CN202010541104A CN111645868A CN 111645868 A CN111645868 A CN 111645868A CN 202010541104 A CN202010541104 A CN 202010541104A CN 111645868 A CN111645868 A CN 111645868A
- Authority
- CN
- China
- Prior art keywords
- lead
- starting
- flywheel
- motor
- electromagnet
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D31/00—Power plant control systems; Arrangement of power plant control systems in aircraft
- B64D31/02—Initiating means
- B64D31/04—Initiating means actuated personally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D31/00—Power plant control systems; Arrangement of power plant control systems in aircraft
- B64D31/14—Transmitting means between initiating means and power plants
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention relates to the technical field of starting systems, and discloses a large freight transport unmanned aerial vehicle starting system which comprises a friction clutch, a reset spring, a flywheel, a clutch, a motor, an electromagnet, a storage battery, an electromagnetic switch, an automatic protection switch, a starting button, an ignition coil, a hand-operated transmission shaft and a ratchet wheel, wherein the friction clutch is arranged on the front end of the clutch; the driving shaft of the motor is in transmission connection with the clutch, and the flywheel is in transmission connection with the ratchet wheel through the friction clutch; the electromagnet is in transmission connection with a return spring, and the return spring is in transmission connection with the friction clutch; the hand-operated transmission shaft is in transmission connection with the friction clutch; the starting button is connected with the ignition coil through a lead; the starting button is connected with the electromagnet through a lead; the electromagnet is connected with the storage battery through a lead; the storage battery is connected with the electromagnetic switch through a lead; the electromagnetic switch is connected with the ignition coil through a lead. This large-scale freight transportation unmanned aerial vehicle starting system has the effect that the safety starts, is convenient for start and does benefit to the popularization.
Description
Technical Field
The invention relates to the technical field of starting systems, in particular to a large-scale freight transportation unmanned aerial vehicle starting system.
Background
Some unmanned aerial vehicles are improved by unmanned research and development design of a prototype, key technologies of the general design of the unmanned aerial vehicle improved by the human are broken through, the matching of an aircraft-engine-control system, the identification of aircraft pneumatic parameters, the testing of the quality characteristics of the whole unmanned aerial vehicle and the comprehensive testing of the system are broken through, the unmanned aerial vehicle has the unique performance advantages of large freight load, long endurance time, astonishing take-off and landing capability and the like, and has huge market prospect and commercial value potential.
After a manned aircraft is changed into an unmanned aerial vehicle, a starting system of the unmanned aerial vehicle is changed, and therefore a large-size freight unmanned aerial vehicle starting system is provided.
Disclosure of Invention
Objects of the invention
In order to solve the technical problem in the background technology, the invention provides a large freight unmanned aerial vehicle starting system.
(II) technical scheme
In order to solve the problems, the invention provides a large freight transport unmanned aerial vehicle starting system which comprises a friction clutch, a reset spring, a flywheel, a clutch, a motor, an electromagnet, a storage battery, an electromagnetic switch, an automatic protection switch, a starting button, an ignition coil, a hand-operated transmission shaft and a ratchet wheel, wherein the friction clutch is arranged on the front end of the clutch;
the driving shaft of the motor is in transmission connection with the clutch, and the flywheel is in transmission connection with the ratchet wheel through the friction clutch; the electromagnet is in transmission connection with a return spring, and the return spring is in transmission connection with the friction clutch;
the hand-operated transmission shaft is in transmission connection with the friction clutch;
the starting button is connected with the ignition coil through a lead; the starting button is connected with the electromagnet through a lead; the electromagnet is connected with the storage battery through a lead; the storage battery is connected with the electromagnetic switch through a lead; the electromagnetic switch is connected with the ignition coil through a lead; the storage battery is respectively connected with the motor and the starting button through leads; the automatic protection switch is arranged on a lead between the storage battery and the starting button.
Preferably, the return spring is in transmission connection with a hand pull steel cable.
A large-scale freight transportation unmanned aerial vehicle starting system comprises the following specific use method:
s1, when the engine is started, the storage battery and the automatic protection switch are switched on, the starting button handle is pulled, the electromagnetic switch works to switch on the circuit of the motor, the motor drives the flywheel to rotate to accumulate energy, and after 9-13 seconds, the flywheel rotates uniformly, the starting button handle is pushed;
s2, disconnecting the electromagnetic switch, stopping the motor, disconnecting the flywheel from the motor and continuing to rotate at high speed according to the inertia effect; starting the electromagnet to push out the ratchet wheel to be meshed with the tooth claw at the tail part of the transmission shaft of the engine accessory to drive the crankshaft to rotate; the circuit of the ignition coil is switched on to generate an induced high-voltage potential, and the induced high-voltage potential is transmitted to a distributor of a right magneto to be ignited by a front row of nozzles to ignite the mixed gas in the cylinder, so that the engine is started; after the propeller rotates for 1.5-2 turns, the magneto switch is placed at the position of 1+2, the engine can work independently, when the engine works stably, the starting button handle is released, the electric inertia starting device stops working, and the ratchet wheel is pulled back by the return spring to be separated from the accessory transmission shaft.
Preferably, the flywheel 3 stores energy by increasing the rotation speed from low to high.
Preferably, after 9-13 seconds, particularly 9-10 seconds in summer and 10-13 seconds in winter, the flywheel 3 rotates uniformly, and then the starting button handle is pushed.
Preferably, after the propeller rotates for 1.5-2 turns, the magneto switch is put to the position of "1 + 2".
Preferably, the rotation speed of the engine for stable operation is 700 and 800 rpm.
The technical scheme of the invention has the following beneficial technical effects:
this large-scale freight transportation unmanned aerial vehicle starting system has the effect that the safety starts, is convenient for start and does benefit to the popularization.
Drawings
Fig. 1 is a schematic diagram of a large-scale freight unmanned aerial vehicle starting system provided by the invention.
Reference numerals: 1. a friction clutch; 2. a return spring; 3. a flywheel; 4. a clutch; 5. an electric motor; 6. an electromagnet; 7. a storage battery; 8. an electromagnetic switch; 9. an automatic protection switch; 10. pulling a steel cable by hand; 11. an ignition coil; 12. a start button; 13. a transmission shaft is driven by hand; 14. and (4) ratchet wheels.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the large freight unmanned aerial vehicle starting system provided by the invention comprises a friction clutch 1, a return spring 2, a flywheel 3, a clutch 4, a motor 5, an electromagnet 6, a storage battery 7, an electromagnetic switch 8, an automatic protection switch 9, a starting button 11, an ignition coil 12, a hand-operated transmission shaft 13 and a ratchet wheel 14;
the driving shaft of the motor 5 is in transmission connection with the clutch 4, and the flywheel 3 is in transmission connection with the ratchet wheel 14 through the friction clutch 1; the electromagnet 6 is in transmission connection with the reset spring 2, and the reset spring 2 is in transmission connection with the friction clutch 1;
the hand-operated transmission shaft 13 is in transmission connection with the friction clutch 1;
the starting button 11 is connected with an ignition coil 12 through a lead; the starting button 11 is connected with the electromagnet 6 through a lead; the electromagnet 6 is connected with the storage battery 7 through a lead; the storage battery 7 is connected with the electromagnetic switch 8 through a lead; the electromagnetic switch 8 is connected with an ignition coil 12 through a lead; the storage battery 7 is respectively connected with the motor 5 and the starting button 11 through leads; the automatic protection switch 9 is installed on a wire between the battery 7 and the start button 11.
In an alternative embodiment, the return spring 2 is drivingly connected to a pull cable 10.
A large-scale freight transportation unmanned aerial vehicle starting system comprises the following specific use method:
s1, when the engine is started, the storage battery 7 and the automatic protection switch 9 are switched on, the handle of the starting button 11 is pulled, the electromagnetic switch 8 works to switch on the circuit of the motor 5, the motor 5 drives the flywheel 3 to rotate to accumulate energy, and after 9-13 seconds, the flywheel 3 rotates uniformly, and then the handle of the starting button 11 is pushed;
s2, the electromagnetic switch 8 is switched off, the motor 5 stops working, and the flywheel 3 is disconnected from the motor 5 and continues to rotate at a high speed according to the inertia effect; starting the electromagnet 6, pushing out the ratchet wheel 14, meshing with a tooth claw at the tail part of a transmission shaft of an engine accessory, and driving the crankshaft to rotate; the circuit of the ignition coil 12 is switched on to generate induced high-voltage potential, and the induced high-voltage potential is transmitted to a distribution plate of a right magneto to be ignited by a front row of nozzles to ignite mixed gas in a cylinder, so that the engine is started; after the propeller rotates for 1.5-2 turns, the magneto switch is placed at the position of 1+2, the engine can work independently, when the engine works stably, the handle of the starting button 11 is released, the electric inertia starting device stops working, and the ratchet wheel 14 is pulled back by the return spring 2 and is separated from the accessory transmission shaft.
In an alternative embodiment, the flywheel 3 rotates from a low speed to a high speed, and energy is accumulated.
In an alternative embodiment, the start button 11 handle is pushed after the flywheel 3 rotates with a uniform sound over 9-13 seconds, specifically 9-10 seconds in summer and 10-13 seconds in winter.
In an alternative embodiment, after 1.5-2 revolutions of the propeller, the magneto switch is placed in the "1 + 2" position.
In an alternative embodiment, the engine is operated at a steady state speed of 800 rpm and 700 rpm.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A large freight transport unmanned aerial vehicle starting system is characterized by comprising a friction clutch (1), a reset spring (2), a flywheel (3), a clutch (4), a motor (5), an electromagnet (6), a storage battery (7), an electromagnetic switch (8), an automatic protection switch (9), a starting button (11), an ignition coil (12), a hand-operated transmission shaft (13) and a ratchet wheel (14);
the driving shaft of the motor (5) is in transmission connection with the clutch (4), and the flywheel (3) is in transmission connection with the ratchet wheel (14) through the friction clutch (1); the electromagnet (6) is in transmission connection with the reset spring (2), and the reset spring (2) is in transmission connection with the friction clutch (1);
the hand-operated transmission shaft (13) is in transmission connection with the friction clutch (1);
the starting button (11) is connected with an ignition coil (12) through a lead; the starting button (11) is connected with the electromagnet (6) through a lead; the electromagnet (6) is connected with the storage battery (7) through a lead; the storage battery (7) is connected with the electromagnetic switch (8) through a lead; the electromagnetic switch (8) is connected with an ignition coil (12) through a lead; the storage battery (7) is respectively connected with the motor (5) and the starting button (11) through leads; the automatic protection switch (9) is arranged on a lead between the storage battery (7) and the starting button (11).
2. The large freight drone starting system according to claim 1, characterized in that: the return spring (2) is connected with a hand-pulling steel cable (10) in a transmission way.
3. A large freight drone starting system according to claims 1-2, characterised in that: the specific use method is as follows:
s1, when the engine is started, the storage battery (7) and the automatic protection switch (9) are switched on, the handle of the starting button (11) is pulled, the electromagnetic switch (8) works to switch on the circuit of the motor (5), the motor (5) drives the flywheel (3) to rotate and accumulate energy, and after 9-13 seconds, the flywheel (3) rotates uniformly, the handle of the starting button (11) is pushed;
s2, the electromagnetic switch (8) is switched off, the motor (5) stops working, and the flywheel (3) and the motor (5) are disconnected and continue to rotate at a high speed according to the inertia effect; the electromagnet (6) is started to push out the ratchet wheel (14) to be meshed with a tooth claw at the tail part of a transmission shaft of an engine accessory to drive the crankshaft to rotate; the circuit of the ignition coil (12) is switched on to generate an induced high-voltage potential, and the induced high-voltage potential is transmitted to a distributor of a right magneto to be ignited by a front row of nozzles, so that the mixed gas in the cylinder is ignited, and the engine is started; after the propeller rotates for 1.5-2 turns, the magneto switch is placed at the position of 1+2, the engine can work independently, when the engine works stably, the handle of the starting button (11) is released, the electric inertia starting device stops working, and the ratchet wheel (14) is pulled back by the return spring (2) and is separated from the accessory transmission shaft.
4. The use method of the large freight drone starting system according to claim 3, characterised in that: the flywheel (3) accumulates energy by increasing the rotation speed from low to high.
5. The use method of the large freight drone starting system according to claim 3, characterised in that: after 9-13 seconds, specifically 9-10 seconds in summer and 10-13 seconds in winter, the flywheel (3) rotates uniformly, and then the handle of the starting button (11) is pushed.
6. The use method of the large freight drone starting system according to claim 3, characterised in that: after the propeller rotates for 1.5-2 turns, the magneto switch is put to the position of '1 + 2'.
7. The use method of the large freight drone starting system according to claim 3, characterised in that: the rotating speed of the engine for stable operation is 700 and 800 revolutions per minute.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010541104.9A CN111645868A (en) | 2020-06-15 | 2020-06-15 | Large-scale freight transportation unmanned aerial vehicle starting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010541104.9A CN111645868A (en) | 2020-06-15 | 2020-06-15 | Large-scale freight transportation unmanned aerial vehicle starting system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111645868A true CN111645868A (en) | 2020-09-11 |
Family
ID=72343912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010541104.9A Pending CN111645868A (en) | 2020-06-15 | 2020-06-15 | Large-scale freight transportation unmanned aerial vehicle starting system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111645868A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113212764A (en) * | 2021-06-15 | 2021-08-06 | 四川省天域航通科技有限公司 | Loading mechanism for unmanned aerial vehicle |
Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1848361A (en) * | 1929-09-06 | 1932-03-08 | Eclipse Machine Co | Engine starting mechanism |
GB370504A (en) * | 1930-01-23 | 1932-04-14 | Gerard Post Herrick | Improvements in or relating to aeroplanes |
GB480576A (en) * | 1937-07-17 | 1938-02-24 | Blackburn Aircraft Ltd | Improvements relating to electrically operated inertia starters for internal combustion engines |
GB511959A (en) * | 1937-02-27 | 1939-08-28 | Bosch Gmbh Robert | Improvements in or relating to starters of internal combustion engines |
GB699873A (en) * | 1951-06-12 | 1953-11-18 | Victor Silberstein | Inertia starter |
GB735728A (en) * | 1953-01-12 | 1955-08-24 | Inertia Starter Developments L | Starters for internal combustion engines |
GB2047816A (en) * | 1979-04-27 | 1980-12-03 | Luk Lamellen & Kupplungsbau | A method of and an apparatus for operating a motor vehicle with an internal combustion engine |
GB2106187A (en) * | 1981-08-31 | 1983-04-07 | Nissan Motor | Inertial apparatus for starting an engine e.g. of a vehicle |
CN1221474A (en) * | 1996-11-07 | 1999-06-30 | 罗伯特-博希股份公司 | Starter for internal combustion engine |
JP2001173487A (en) * | 1999-12-17 | 2001-06-26 | Mitsubishi Motors Corp | Direct cylinder injection type engine starting device |
US6323562B1 (en) * | 1997-01-28 | 2001-11-27 | Robert Bosch Gmbh | Circuit for a latching relay |
EP1486666A1 (en) * | 2003-06-10 | 2004-12-15 | Ford Global Technologies, LLC, A subsidary of Ford Motor Company | Starting supporting device |
US20060211537A1 (en) * | 2005-03-16 | 2006-09-21 | Takayuki Miyao | Method of controlling vehicle driving system and vehicle driving apparatus |
US20090308674A1 (en) * | 2008-06-17 | 2009-12-17 | Gm Global Technology Operations, Inc. | Hybrid powertrain auto start control system with engine pulse cancellation |
CN102953892A (en) * | 2011-08-19 | 2013-03-06 | 现代自动车株式会社 | Engine restart apparatus |
CN103318169A (en) * | 2012-03-20 | 2013-09-25 | F·波尔希名誉工学博士公司 | Engine starting method |
CN103380291A (en) * | 2011-11-22 | 2013-10-30 | Dti集团有限公司 | Starting method and starting device for starting a combustion engine and/or driving a vehicle |
CN108698499A (en) * | 2016-02-24 | 2018-10-23 | 宝马股份公司 | Drive system and its operation method for hybrid vehicle |
WO2019007619A1 (en) * | 2017-07-03 | 2019-01-10 | Zf Friedrichshafen Ag | Flywheel starting clutch assembly, torsional damper assembly and motor vehicle |
CN110821731A (en) * | 2019-12-03 | 2020-02-21 | 福建永强力加动力设备有限公司 | Starting motor |
-
2020
- 2020-06-15 CN CN202010541104.9A patent/CN111645868A/en active Pending
Patent Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1848361A (en) * | 1929-09-06 | 1932-03-08 | Eclipse Machine Co | Engine starting mechanism |
GB370504A (en) * | 1930-01-23 | 1932-04-14 | Gerard Post Herrick | Improvements in or relating to aeroplanes |
GB511959A (en) * | 1937-02-27 | 1939-08-28 | Bosch Gmbh Robert | Improvements in or relating to starters of internal combustion engines |
GB480576A (en) * | 1937-07-17 | 1938-02-24 | Blackburn Aircraft Ltd | Improvements relating to electrically operated inertia starters for internal combustion engines |
GB699873A (en) * | 1951-06-12 | 1953-11-18 | Victor Silberstein | Inertia starter |
GB735728A (en) * | 1953-01-12 | 1955-08-24 | Inertia Starter Developments L | Starters for internal combustion engines |
GB2047816A (en) * | 1979-04-27 | 1980-12-03 | Luk Lamellen & Kupplungsbau | A method of and an apparatus for operating a motor vehicle with an internal combustion engine |
GB2106187A (en) * | 1981-08-31 | 1983-04-07 | Nissan Motor | Inertial apparatus for starting an engine e.g. of a vehicle |
CN1221474A (en) * | 1996-11-07 | 1999-06-30 | 罗伯特-博希股份公司 | Starter for internal combustion engine |
US6323562B1 (en) * | 1997-01-28 | 2001-11-27 | Robert Bosch Gmbh | Circuit for a latching relay |
JP2001173487A (en) * | 1999-12-17 | 2001-06-26 | Mitsubishi Motors Corp | Direct cylinder injection type engine starting device |
EP1486666A1 (en) * | 2003-06-10 | 2004-12-15 | Ford Global Technologies, LLC, A subsidary of Ford Motor Company | Starting supporting device |
US20060211537A1 (en) * | 2005-03-16 | 2006-09-21 | Takayuki Miyao | Method of controlling vehicle driving system and vehicle driving apparatus |
US20090308674A1 (en) * | 2008-06-17 | 2009-12-17 | Gm Global Technology Operations, Inc. | Hybrid powertrain auto start control system with engine pulse cancellation |
CN102953892A (en) * | 2011-08-19 | 2013-03-06 | 现代自动车株式会社 | Engine restart apparatus |
CN103380291A (en) * | 2011-11-22 | 2013-10-30 | Dti集团有限公司 | Starting method and starting device for starting a combustion engine and/or driving a vehicle |
CN103318169A (en) * | 2012-03-20 | 2013-09-25 | F·波尔希名誉工学博士公司 | Engine starting method |
CN108698499A (en) * | 2016-02-24 | 2018-10-23 | 宝马股份公司 | Drive system and its operation method for hybrid vehicle |
WO2019007619A1 (en) * | 2017-07-03 | 2019-01-10 | Zf Friedrichshafen Ag | Flywheel starting clutch assembly, torsional damper assembly and motor vehicle |
CN110821731A (en) * | 2019-12-03 | 2020-02-21 | 福建永强力加动力设备有限公司 | Starting motor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113212764A (en) * | 2021-06-15 | 2021-08-06 | 四川省天域航通科技有限公司 | Loading mechanism for unmanned aerial vehicle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10336461B2 (en) | Aircraft engine and associated method for driving the fan with the low pressure shaft during taxi operations | |
US8961366B2 (en) | Hybrid system of engine and motor generator | |
US6659910B2 (en) | Hybrid power system with continuously variable speed | |
US8517892B2 (en) | Method and apparatus for controlling hybrid electric vehicles | |
CN101804866B (en) | Flywheel energy storage accelerating carrier-based aircraft ejector | |
CN103707755A (en) | Hybrid electric vehicle and method of controlling driving of the same | |
WO2010067172A2 (en) | Apparatus and method for energy recovery on jet-powered airplanes on approach for landing | |
EP2522538A1 (en) | Dual engine hybrid vehicle drive system | |
CN105730446B (en) | A kind of accumulator and flywheel association type idling and brake energy recovering system | |
CN111645868A (en) | Large-scale freight transportation unmanned aerial vehicle starting system | |
CN206158907U (en) | Engine start device and engine thereof | |
KR20130020318A (en) | Engine restart apparatus | |
US6438962B1 (en) | System and method for starting an engine | |
CN111746806B (en) | Unmanned aerial vehicle heuristic system and integrated control method | |
US20030098188A1 (en) | Hybrid power system with external auxiliary motor | |
CN202900505U (en) | Mini-tiller starter | |
EP2472100B1 (en) | An engine startup device | |
CN201816716U (en) | Buffered overrunning clutch and electric hub | |
CN102877998A (en) | Mini-tiller starter | |
CN206158908U (en) | Engine start power drive assembly | |
CN202250384U (en) | Hybrid power automobile charging engine | |
CN103189636B (en) | The guard method of high moment of inertia starter | |
CN113479334B (en) | Rapid starting method for power system of ejection type unmanned aerial vehicle | |
CN202360272U (en) | Flashlight start power device of novel power parachute | |
CN201283774Y (en) | Energy conversion device of hybrid power vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |