CN208456751U - Diesel engine energy storage and shunting starter - Google Patents
Diesel engine energy storage and shunting starter Download PDFInfo
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- CN208456751U CN208456751U CN201820664896.7U CN201820664896U CN208456751U CN 208456751 U CN208456751 U CN 208456751U CN 201820664896 U CN201820664896 U CN 201820664896U CN 208456751 U CN208456751 U CN 208456751U
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Abstract
The utility model relates to a kind of diesel engine energy storage and shunt starter, the sealing cylinder cap (8) including oil cylinder (2), piston (7) and cylinder upper end；The inner cavity of oil cylinder (2) is divided into oil suction chamber (16) and draining chamber (17) by piston (7) up and down；Above-mentioned oil suction chamber (16) upper end is set fuel feed hole (10), and draining chamber (17) lower end sets oil leak hole (1)；Above-mentioned oil cylinder (2) inside center of axis is provided with a control-rod (4)；Piston (7) is covered on control-rod (4) by sets of holes, is equipped with compressed spring (5) between the lower section and oil cylinder (2) bottom of piston (7).The utility model is just to start when diesel engine reaches fire speed or before and after reaching fire speed to Fuel Injection Mechanism of Diesel Engine；When servo motor starts the fuel feeding into diesel engine, the increased speed of servo motor stroke can be reduced, the speed of high-pressure oil pump fuel feeding into diesel engine is also just reduced.To improve the starting performance of diesel engine.
Description
Technical field
The utility model relates to a kind of starter of diesel engine more particularly to a kind of diesel engine energy storage and shunt starting dress
It sets, the diesel engine energy storage of Fuel Delivery for Diesel Engines is adjusted by hydraulic control servo motor stroke and shunts starter.
Background technique
Diesel engine is widely used in military, civilian every field as a kind of power device.Power and diesel engine are turned
The fast higher diesel engine of control accuracy requirement, generallys use through hydraulic control servo motor stroke and controls high-pressure oil pump groove
To adjust the control mode of Fuel Delivery for Diesel Engines.The diesel engine of this control mode, during diesel engine starting, due to design
Present on problem, generally all can before diesel engine is not up to its fire speed, servo motor i.e. start to Fuel Injection Mechanism of Diesel Engine, and
The increased speed of fuel feeding quickly, first is that causing before diesel engine is not up to its fire speed, has part fuel oil and sprays into diesel engine
It is interior；Second is that completing in start-up course in diesel engine, servo motor can be continuously increased the fuel feeding groove of high-pressure fuel pump of diesel engine, make height
The fuel delivery that pressure oil pump sprays into diesel engine cylinder in each working cycles of diesel engine constantly increases.Its consequence, first is that in bavin
Oil machine is not up to the fuel oil sprayed into diesel engine before its fire speed and wastes completely because that cannot burn；Second is that due to diesel engine
It can be supplied to that the oxygen that fuel oil burns is limited in cylinder, will cause the fuel oil sprayed into cylinder cannot largely burn, from
And over-emitting black exhaust serious phenomenon when generating diesel engine starting, under extreme case, such as when environment temperature is too low, the starting of diesel engine
Fire speed can correspondingly increase, so that time of the diesel engine from starting turning to reaching when fire speed is longer；Oil pump exists simultaneously
Oil pressure establishes speed also faster in the course of work, increases servo motor by high-pressure fuel pump of diesel engine fuel feeding groove speed also more
Fastly, to occur since the fuel oil sprayed into diesel engine is excessive, oxygen wretched insufficiency, will cause can not light a fire, diesel engine starting
Unsuccessful extreme case；Third is that the problem that the speed overshoot rate that will appear starting is excessively high.Therefore, one can improve diesel engine
The research and development of starting performance device, over-emitting black exhaust serious phenomenon when being allowed to not only alleviate diesel engine starting reduce diesel engine and open
The environmental pollution of dynamic process；Speed overshoot rate can also be reduced, diesel engine working performance is improved；Also it can guarantee diesel engine lower
Environment temperature under smoothly start, be completely it is necessary.
On 09 23rd, 2009, Chinese invention patent application publication No. CN101539086A disclosed a kind of small cylinder of single cylinder
Diameter high speed diesel oil engine fuel injection pump assembly piston, including the plunger being assemblied in plunger bushing, delivery valve seat is located at plunger bushing inner cavity
Top, in which: change the starting oil groove of fuel delivery when upper end head periphery is formed with for starting and injection pump can be changed
The pre- spray slit of fuel supply advance angle；Pre- spray slit is parallel with upper end face；Upper end head is formed with the oil-break slot extended downwardly；
Upper end head periphery is also formed with by the control oil groove of the oblique top of starting oil groove to oil-break slot.Due to the technical solution be from
Fuel Injection Mechanism of Diesel Engine side is directly changed fuel delivery when starting, it may be assumed that increases starting limit oil groove, the fuel feeding for changing oil spout pump loop is special
Property；This change can make the oil pressure of oil supply system unstable, cause fuel injection nozzle atomization uneven, so that the work for influencing diesel engine goes out
Power.
Utility model content
The purpose of this utility model provides a kind of bavin aiming at foregoing problems present in existing diesel start-up course
Oil machine energy storage and shunting starter.Guarantee during diesel engine starting: first is that when diesel engine reaches fire speed or reaching
Before and after to fire speed, just start to Fuel Injection Mechanism of Diesel Engine；Second is that can be reduced when servo motor starts the fuel feeding into diesel engine
The increased speed of servo motor stroke, also just reduces the speed of high-pressure oil pump fuel feeding into diesel engine.To improve diesel engine
Starting performance.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of diesel engine energy storage and shunting start
Device, the sealing cylinder cap including oil cylinder, piston and cylinder upper end；Piston will the inner cavity of the oil cylinder up and down be divided into oil suction chamber and
Draining chamber；Draining chamber lower part is provided with piston stroke limitation set；Above-mentioned oil suction chamber upper end sets fuel feed hole, and draining chamber lower end sets draining
Hole；The above-mentioned inside center of oil cylinder axis is provided with a control-rod；The upper end of the control-rod, which is supported, seals cylinder cap, in lower termination oil cylinder bottom
Portion；The central axial sets of holes being equipped with through piston in the upper surface of the piston, in piston upper surface, formation one is convex around sets of holes
Platform ring, piston are covered on control-rod by sets of holes, when piston stroking upward to piston boss ring being made to contact sealing cylinder cap, piston upper end
The oil suction chamber of minimum space can also be formed between face, oil cylinder inner wall and sealing cylinder cap；Between the lower section and oil cylinder bottom of piston
Equipped with compressed spring.
The control-rod upper side is provided with control-rod fuel feed hole, and control-rod overflow hole is arranged in middle part；Above-mentioned control-rod into
Oilhole and control-rod overflow hole pass through oil communication hollow in control-rod；The sets of holes of above-mentioned piston are actively covered in control-rod
On, spring force can be overcome to move up and down with respect to oil cylinder inner wall along control-rod；Sealing is abutted when piston is in boss ring
When cylinder cap, the sets of holes partial occlusion of piston closes control-rod fuel feed hole, and control-rod overflow hole is in open state；Work as piston overpowers
Spring force comes downwards to above boss ring when just exposing control-rod oil inlet hole site, and control-rod overflow hole is in open shape
State；When piston continues that spring force is overcome to come downwards to piston stroke limitation set also certain distance, control-rod overflow hole quilt
The set bore portion of piston gradually blocks；When piston continues to overcome spring force to come downwards to piston stroke limitation set to be blocked downlink,
Control-rod overflow hole is blocked closing completely by the set bore portion of piston or is in piston and oil cylinder as control-rod fuel feed hole
In the oil suction chamber being separated into.
Fuel feed hole set by above-mentioned oil suction chamber upper end, can be located at the upper lateral part of oil cylinder, can also be located on sealing cylinder cap.
Above-mentioned piston stroke limitation set both can be designed as the component for being sheathed on the control-rod lower part, also can use oil
Cylinder lower end inner wall thickness change is formed produced by integrated step.
Compared with prior art, the utility model can be delayed to Fuel Injection Mechanism of Diesel Engine in diesel engine starting and reduce confession
The speed of oil, preferably just starts when diesel engine reaches fire speed to Fuel Injection Mechanism of Diesel Engine, it is also possible to reach in diesel engine
Start before and after to fire speed to Fuel Injection Mechanism of Diesel Engine, to guarantee during diesel engine starting, when diesel engine speed is not up to
When certain revolving speed, servo motor will not into diesel engine fuel feeding；When servo motor starts the fuel feeding into diesel engine, due to originally
It is all introduced into the working oil of servo motor, a part passes through hollow in fuel feed hole-oil suction chamber-control-rod fuel feed hole-control-rod
Oil circuit-control-rod overflow hole-oil groove access branch in oil groove, some makes spring by fuel feed hole-oil suction chamber
Compression, piston, which moves down, to be branched to oil suction chamber and is in store；So that servo motor increases high-pressure fuel pump of diesel engine in start-up course
The speed of fuel feeding groove reduces, and can slow down high-pressure oil pump fuel feeding into diesel engine and increase speed.To improve diesel engine
Starting performance: over-emitting black exhaust serious phenomenon when alleviating diesel engine starting reduces the environmental pollution of diesel engine starting process；It reduces and turns
Fast overshoot rate improves diesel engine working performance；Guarantee that diesel engine smoothly starts under lower environment temperature.
Detailed description of the invention
Fig. 1 show the utility model structure diagram.
Fig. 2 show the structural schematic diagram that the utility model embodiment opens control-rod fuel feed hole state.
Fig. 3 show the structural schematic diagram of the utility model embodiment closing control-rod overflow hole state.
Mark explanation: 1 oil leak hole；2 oil cylinders；3 piston strokes limitation set；4 control-rods；5 compressed springs；6 control-rod overflows
Hole；7 pistons；8 sealing cylinder caps；9 control-rod fuel feed holes；10 fuel feed holes；11 overflow valves；12 diesel speed control mechanisms；13 watch
Take motor；14 oil pumps；15 oil grooves；16 oil suction chambers；17 draining chambers；18 boss rings.
Specific embodiment
The utility model is described further below with reference to figure.
As shown in Figure 1, a kind of diesel engine energy storage and shunting starter, including the close of oil cylinder 2, piston 7 and cylinder upper end
Seal cylinder cap 8；The inner cavity of the oil cylinder 2 is divided into oil suction chamber 16 and draining chamber 17 up and down by piston 7, and 17 lower part of draining chamber is provided with
Piston stroke limitation set 3；Above-mentioned 16 upper end of oil suction chamber sets fuel feed hole 10, and 17 lower end of draining chamber sets oil leak hole 1；
The inside center of above-mentioned 2 axis of oil cylinder is provided with a control-rod 4；Sealing cylinder cap 8, lower end are supported in the upper end of the control-rod 4
It connects in the middle part of 2 bottom of oil cylinder.
The central axial sets of holes being equipped with through piston in the upper surface of the piston 7, in piston upper surface shape around sets of holes
At a boss ring 18, piston 7 is covered on control-rod 4 by sets of holes, and piston 7 is made to go upward to the contact sealing cylinder cap of piston boss ring 18
When 8, the oil suction chamber 16 of minimum space can also be formed between 7 upper surface of piston, 2 inner wall of oil cylinder and sealing cylinder cap 8；Piston 7
Compressed spring 5 is equipped between 2 bottom of lower section and oil cylinder.
Further, in order to realize that working oil shunts, 4 upper side of control-rod is provided with control-rod fuel feed hole 9, middle part
Control-rod overflow hole 6 is set；Above-mentioned control-rod fuel feed hole 9 and control-rod overflow hole 6 are connected by oil circuit hollow in control-rod 4
It is logical；The sets of holes of above-mentioned piston 7 actively cover on control-rod 4, can overcome 5 bullet of spring with respect to 2 inner wall of oil cylinder along control-rod 4
Power moves up and down；When piston 7, which is in boss ring 18, abuts sealing cylinder cap 8, the sets of holes partial occlusion of piston 7 closes control-rod
Fuel feed hole 9, control-rod overflow hole 6 are in open state；As shown in Fig. 2, when piston 7 overcomes 5 elastic force of spring to come downwards to boss ring
When 9 position of control-rod fuel feed hole is just exposed in 18 tops, control-rod overflow hole 6 is in open state；As shown in figure 3, working as
When piston 7 continues to overcome 5 elastic force of spring to come downwards to piston stroke limitation set 3 to be blocked downlink, control-rod overflow hole 6 is by piston 7
Set bore portion all block closing or as control-rod fuel feed hole 9 in the oil suction chamber 16 that piston and oil cylinder are separated into.
Further, fuel feed hole 10 set by 16 upper end of oil suction chamber, can be located at the upper lateral part of oil cylinder 2, can also be with
It is located on sealing cylinder cap 8.
Further, piston stroke limitation set 3 both can be designed as being sheathed on the component inside oil cylinder 2, can also be with
It is formed produced by integrated step using 2 lower end inner wall thickness change of oil cylinder.
The mode of action of the utility model energy storage and shunting, can be with individualism, for example an energy storage does not shunt, i.e. control-rod
4 upper side control-rod fuel feed holes 9, middle part control-rod overflow hole 6, oil circuit hollow in control-rod 4 are cancelled one or are all taken
Disappear；Or simply remove controls bar 4 and the central axial sets of holes through piston being equipped in 7 upper surface of piston.With energy storage and it can also divide
The common existing mode of stream is had an effect.
The energy storage of the utility model diesel engine and starter is shunted for when controlling diesel engine starting, working oil to be to servo horse
Fuel feed hole 10 is connect the overflow valve 11 in servo motor work oil return line by the time for starting fuel feeding up to 13 and flow, and oil leak hole 1 connects
Oil groove 15；The oil groove 15 is through 14 sequential connection overflow valve 11 of oil pump, diesel speed control mechanism 12 and servo motor 13；It overflows
Flow the current by pass reflux oil groove 15 of valve 11 and diesel speed control mechanism 12.
In diesel engine starting, diesel engine rotates oil pump 14 at the beginning and starts to work, and the original oil pressure that system is established is just
It can be entered by the fuel feed hole 10 of oil cylinder 2 in oil cylinder 2 and the oil suction chamber 16 of 7 upper surface of piston formation；As shown in Figure 1, due to
The energy storage of the utility model diesel engine with shunt starter at this time piston 7 be in boss ring 18 abut seal 8 position of cylinder cap, piston
7 sets of holes partial occlusion closes control-rod fuel feed hole 9, and the length of spring 5 is maximum at this time, and piston 7 overcomes the mobile institute of 5 elastic force of spring
It is required that fluid pressure than push servo motor required by fluid pressure it is low；Under piston 7 starts rapidly prior to servo motor 13
Row movement.As the oil pressure that oil pump 14 is established constantly increases, piston 7 overcomes 5 elastic energy accumulation downlink of spring, when 7 downlink of piston is moved
After dynamic certain distance, as shown in Fig. 2, the control-rod fuel feed hole 9 on control-rod 4 is opened, the part work that oil pump 14 is provided
Oil, hollow oil circuit-control-rod 6-draining of overflow hole in 9-control-rod of fuel feed hole 10-control-rod fuel feed hole 4 through oil cylinder 2
The access of 17-oil leak hole of chamber, 1-oil groove 15 is back to oil groove 15；Because of the aerial drainage of part working oil oil mass, oil pump 14 establishes oil pressure
Speed slow down, piston 7 overcomes 5 elastic force downstream rate of spring to slow down.As the oil pressure that oil pump 14 is established constantly increases, piston 7
After overcoming 5 elastic energy accumulation downlink a distance of spring again, the oil pressure that oil pump 14 is established is had reached required by pushing servo motor
Fluid pressure, a part of working oil continues to press on the movement of 7 downlink of piston at this time, and a part of working oil continues on through the oil inlet of oil cylinder 2
Hollow oil circuit-17-oil leak hole of control-rod overflow hole 6-draining chamber 1-in hole 10-control-rod fuel feed hole, 9-control-rod 4
The access of oil groove 15 is back to oil groove 15, and a part of working oil starts constantly to push servo motor, keeps high-pressure oil pump groove continuous
Increase, be continuously increased the diesel oil amount supplied to diesel engine, diesel ignition work by combustion improves diesel engine speed rapidly, diesel engine
Start start-up course of lighting a fire.As shown in figure 3, being hindered when piston 7 continues to overcome 5 elastic force of spring to come downwards to piston stroke limitation set 3
When keeping off downlink, control-rod overflow hole 6 is all blocked closing by the set bore portion of piston 7 or is in living as control-rod fuel feed hole
In the oil suction chamber that plug is separated into oil cylinder, the current by pass of part working oil is closed, and the oil pressure of system is quickly raised to system
Required design value is simultaneously only controlled by overflow valve 11, and piston 7 is maintained at travel limit under the action of system oil pressure and covers 3 positions
It no longer moves, to close control-rod overflow hole 6, keeps diesel engine energy storage and shunting starter worked after diesel engine
Cheng Zhong no longer has an effect.At this time since the working oil of oil pump 14 is all introduced into servo motor, the speed of servo motor is pushed
Accelerate, the increased speed of high-pressure oil pump groove also rises, so that diesel engine speed be made to be rapidly reached minimum basicly stable revolving speed simultaneously
Machine process is opened in completion.
In working process of diesel engine, when the actual value of diesel engine speed is higher than given value, diesel speed control machine
Structure 12 opens the drain path of servo motor 13, to reduce the fuel delivery of diesel engine, declines diesel engine speed；When diesel engine turns
When the actual value of speed is lower than given value, diesel speed control mechanism 12 opens the oil inlet passage of servo motor 13, to increase bavin
The fuel delivery of oil machine, rises diesel engine speed；When the actual value of diesel engine speed is equal to given value, diesel speed control
Mechanism 12 closes oil inlet and the drain path of servo motor 13, keeps the state of servo motor 13 constant, to keep diesel engine
Fuel delivery is constant, to keep diesel engine speed constant.
The method of the utility model is, first is that passing through the mobile required liquid pressure of present apparatus piston overpowers spring force
Power is lower than pushing fluid pressure required by servo motor, and present apparatus piston is made to start rapid downlink movement prior to servo motor
(energy storage) and part working oil at the time of with delay to Fuel Injection Mechanism of Diesel Engine, can be guaranteed in diesel oil with the design of aerial drainage to oil groove
Machine revolving speed just starts fuel feeding before and after reaching fire speed；Second is that servo motor start it is mobile to Fuel Injection Mechanism of Diesel Engine when, by making
A part of working oil continues to press on the movement of present apparatus piston downlink, and a part of working oil can be enabled to enter with aerial drainage to oil groove
The work oil mass of servo motor is reduced, and supplies increased speed to reduce to diesel engine fuel oil.To reach purpose below:
First is that spraying into the fuel oil wasted in diesel engine before the installation present apparatus before diesel engine is not up to fire speed, this is being installed
It is no longer wasted after device；Second is that the increased speed of Fuel Delivery for Diesel Engines slows down due in diesel engine ignition process, make diesel engine point
Fuel supply amount is more matched with the fuel burning required air quantity that diesel oil function provides during fire, is opened to mitigate diesel engine
The serious phenomenon of over-emitting black exhaust during dynamic；Second is that when diesel engine starting process is just completed, since Fuel Delivery for Diesel Engines is relatively pacified
It is reduced before the dress present apparatus, so that the regulated quantity of Diesel Engine Control mechanism is also reduced at this time, to make the speed overshoot rate of diesel engine
Decline.
The diesel engine energy storage and shunting starter of the utility model, are tried out on a kind of diesel installation, effect is good
It is good, fully meet design requirement.
The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of diesel engine energy storage and shunting starter, the sealing cylinder cap including oil cylinder (2), piston (7) and cylinder upper end
(8)；The inner cavity of the oil cylinder (2) is divided into oil suction chamber (16) and draining chamber (17) by piston (7) up and down；It is characterized by: letting out
Oil pocket (17) lower part is provided with piston stroke limitation set (3)；Above-mentioned oil suction chamber (16) upper end is set fuel feed hole (10), draining chamber (17)
Lower end sets oil leak hole (1)；Above-mentioned oil cylinder (2) inside center of axis is provided with a control-rod (4)；The upper end of the control-rod (4) is supported
It seals cylinder cap (8), in the middle part of lower termination oil cylinder (2) bottom；The central axial set being equipped with through piston in the upper surface of the piston (7)
Hole, forms a boss ring (18) in piston upper surface around sets of holes, and piston (7) is covered on control-rod (4) by sets of holes, makes to live
When plug (7) goes upward to boss ring (18) contact sealing cylinder cap (8) of piston, piston (7) upper surface, oil cylinder (2) inner wall and sealing
The oil suction chamber (16) of minimum space can also be formed between cylinder cap (8)；It is equipped between the lower section and oil cylinder (2) bottom of piston (7)
Compressed spring (5).
2. diesel engine energy storage according to claim 1 and shunting starter, it is further characterized in that: the control-rod (4)
Upper side is provided with control-rod fuel feed hole (9), and control-rod overflow hole (6) are arranged in middle part；Above-mentioned control-rod fuel feed hole (9) and control
Bar overflow hole (6) passes through oil communication hollow in control-rod (4)；The sets of holes of above-mentioned piston (7) are actively covered in control-rod (4)
On, it can be relatively oily along control-rod (4) according to the equilibrium relation of compressed spring (5) elastic force and upper piston area working oil pressure
Cylinder (2) inner wall moves up and down；When piston (7), which is in boss ring (18), abuts sealing cylinder cap (8), the set hole portion of piston (7)
Divide and block closing control-rod fuel feed hole (9), control-rod overflow hole (6) is in open state；When piston (7) overcomes compressed spring
(5) elastic force comes downwards to above boss ring (18) when just exposing control-rod fuel feed hole (9) position, and control-rod overflow hole (6) is still
In open state；When piston (7) continues that compressed spring (5) elastic force is overcome to come downwards to and piston stroke limitation set (3) also one
When set a distance, control-rod overflow hole (6) is gradually blocked by the set bore portion of piston (7)；Piston (7) continues to overcome compressed spring
(5) elastic force comes downwards to piston stroke limitation set (3) when being blocked downlink, and control-rod overflow hole (6) is by the set hole portion of piston (7)
Divide and blocks closing completely or with control-rod fuel feed hole (9) equally in the oil suction chamber (16) that piston and oil cylinder are separated into.
3. according to claim 1 or diesel engine energy storage as claimed in claim 2 and shunt starter, it is further characterized in that: institute
It states fuel feed hole (10) set by oil suction chamber (16) upper end and is located at the upper lateral part of oil cylinder (2), or be located in sealing cylinder cap (8).
4. according to claim 1 or diesel engine energy storage as claimed in claim 2 and shunt starter, it is further characterized in that: institute
It states piston stroke limitation set (3) to be designed as being sheathed on the internal component of oil cylinder (2), or is designed as using in oil cylinder (2) lower end
Wall thickness changes to be formed produced by integrated step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664896.7U CN208456751U (en) | 2018-05-07 | 2018-05-07 | Diesel engine energy storage and shunting starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664896.7U CN208456751U (en) | 2018-05-07 | 2018-05-07 | Diesel engine energy storage and shunting starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208456751U true CN208456751U (en) | 2019-02-01 |
Family
ID=65150715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820664896.7U Active CN208456751U (en) | 2018-05-07 | 2018-05-07 | Diesel engine energy storage and shunting starter |
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| Country | Link |
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| CN (1) | CN208456751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386302A (en) * | 2018-05-07 | 2018-08-10 | 长沙燕通生物科技有限公司 | Diesel engine energy storage and shunting starter |
-
2018
- 2018-05-07 CN CN201820664896.7U patent/CN208456751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386302A (en) * | 2018-05-07 | 2018-08-10 | 长沙燕通生物科技有限公司 | Diesel engine energy storage and shunting starter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 410205 room 420, 4th floor, project incubation building, Hunan University Science and Technology Park, 186 Guyuan Road, high tech Development Zone, Changsha City, Hunan Province Patentee after: Changsha Yanjing Bioengineering Co.,Ltd. Address before: 410205 room 420, 4th floor, project incubation building, Hunan University Science and Technology Park, 186 Guyuan Road, high tech Development Zone, Changsha City, Hunan Province Patentee before: Changsha Yanjing Electromechanical Engineering Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410205 room 420, 4th floor, project incubation building, Hunan University Science and Technology Park, 186 Guyuan Road, high tech Development Zone, Changsha City, Hunan Province Patentee after: Changsha Yanjing Electromechanical Engineering Co.,Ltd. Address before: 410013 room 418-420, fortune Silicon Valley, building 001, torch City, tongzipo T-junction, yinpenling street, Yuelu District, Changsha City, Hunan Province Patentee before: CHANGSHA YANTONG BIOTECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Diesel engine energy storage and shunt starting device Effective date of registration: 20230222 Granted publication date: 20190201 Pledgee: Hunan Jinxin Financing Guarantee Co.,Ltd. Pledgor: Changsha Yanjing Bioengineering Co.,Ltd. Registration number: Y2023980033218 |