CN2556260Y - Glue-removing machine set for runway of airport - Google Patents
Glue-removing machine set for runway of airport Download PDFInfo
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- CN2556260Y CN2556260Y CN 02262508 CN02262508U CN2556260Y CN 2556260 Y CN2556260 Y CN 2556260Y CN 02262508 CN02262508 CN 02262508 CN 02262508 U CN02262508 U CN 02262508U CN 2556260 Y CN2556260 Y CN 2556260Y
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- nozzle
- glue
- removes
- airfield runway
- glue unit
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Abstract
The name of the utility model is airport runway glue-removing machine set, which belongs to a cleaning equipment, in particular to a aero tire aircraft tire glue removing equipment used in various airport runways. The object of the utility model is to solve the problems of the prior art that the investment cost of technique equipment is high and the cleaning adaptability to different road faces is bad. The utility model consists of a vehicle carried mainframe and a fluid pressure driven automatic advance plane cleanser. The utility model is characterized in that a speed regulating device, which is cooperated with the work state of the plane cleanser, is arranged on a diesel engine; a rotating spray head and walking mechanisms, which are driven by a hydraulic motor and can be mutually replaced, are arranged on the plane cleanser. The utility model reduces the complete machine cost, is adaptable with the glue-removing work on road faces made of different materials and is suitable and is suitable for the glue-removing need of the airport runway in china.
Description
Technical field
The utility model belongs to a kind of cleaning equipment, specifically a kind of equipment that is used for all kinds of airfield runway aero tyre glue marks removings.
Background technology
On civil aviaton and military aircraft runway, because takeoff and landing friction, cause rubber tire heat to come unstuck, this glue-line firmly invests on the runway, in the course of time, glue-line thickens (airport that has has reached 5mm thickness) day by day, and frictional force reduces when causing takeoff and landing, strengthened the distance of aircraft taxi, made it be easy to gun off the runway; Moreover the inhomogeneities of glue-line has also been aggravated the vibration of aircraft taxi.
Begin the exploitation of high-pressure water jet airfield runway glue-removing equipment latter stage from the eighties abroad, now developed into the mature equipment that has different cultivars, plurality of specifications.Its major parameter is pressure: 70～250MPa, flow 22～190L/min, the power of the assembling unit 110～200kW.Main pattern comprises: all vehiculars, main frame vehicular, main frame trailer-type are three kinds.
Though all vehicular unit automaticity height is invested greatly, can only be used for the large tracts of land washing and cleaning operation, can not in time adjust cleaning speed according to glue-line.Main frame vehicular unit must the water distribution car or is pulled waterwheel, invests higher.Though it is less that the main frame trailer-type is invested, can only the hand push operation, must many people's operations, comparatively loaded down with trivial details.
The Capital Airport, Hongqiao Airport, Shanghai are at the equipment of the nineties Britain HARBEN company that respectively spent ten thousand dollars of imports surplus in the of 50 in succession and German WOMA company, the equipment in the Capital Airport is through for many years use, now problem takes place frequently, import accessory difficulty in addition, maintenance cost is high, is difficult to normal use.
Summary of the invention
The purpose of this utility model will solve the problem that exists in the prior art, promptly will reduce the unit cost of investment when keeping higher automatization level, can clean different materials or different-thickness glue-line airfield runway, and it is even to remove glue speed.
The technical solution of the utility model comprises on-vehicle host and automatic travel plane washer two parts of hydraulic-driven, on-vehicle host mainly comprises fore pump, diesel engine, high pressure reciprocating pump, electrical control cabinet, hydraulic system and square chest trailer, the chief component gear pump of hydraulic system, strainer, fuel tank, cooler and control valve group are installed in the main frame compartment, driving mechanisms such as valve group, driving hydraulic motor are installed on the cleaning machine of plane, connect with snap joint by flexible pipe between the two, it is characterized in that:
A, diesel engine have disposed the arrangements for speed regulation with the interlock of plane cleaner duty;
Interchangeable rotary nozzle by fluid motor-driven has been installed on b, the plane cleaner, a high pressure rotary sealing has been arranged between hydraulic motor and shower nozzle;
Walking mechanism by fluid motor-driven has been installed on c, the plane cleaner.
Arrangements for speed regulation include cylinder barrel, piston, plunger and adjusting nut and form.One end of cylinder barrel has a high pressure chest interface, and the other end has an end cap, on the casing wall in the middle of the cylinder barrel notch is arranged; Piston is positioned at the cylinder barrel chamber, is with spring on it, and driving lever is fixed on the piston head, and plunger is between high pressure chest interface and piston, and plunger is provided with black box, reconciles nut and is arranged on the end cap.
The operating principle of adjusting device is: when closing plane washer unloader, the high-pressure pump output pressure increases and by acting on plunger with the joining high-pressure rubber pipe of high pressure chest interface, make piston in cylinder barrel, overcome spring force and be moved to the left, diesel engine speed is risen thereby make driving lever drive the diesel engine throttle rising; When opening the plane cleaner unloader, the high-pressure pump output pressure reduces, piston resets under the effect of spring force, and it is idle that the motion of drive driving lever is reduced to diesel engine speed, reduces diesel fuel consumption and equipment attrition thereby reach at high-pressure pump release run duration.The effect of reconciling nut is that the jet pressure when removing glue and cleaning is regulated the setting diesel engine speed.
Hydraulic control walking mechanism and shower nozzle force two hydraulic motors of rotating mechanism to be equipped with flow speed control valve, establish one way valve between two hydraulic motor oil-outs respectively, and the hydraulic motor of walking mechanism is provided with reversal valve.
High pressure rotary sealing includes axis of rotation, bottom end cover, upper end cover, seal, airtight and watertight padding layer and shading ring.Upper end cover, bottom end cover, axis of rotation and seal are formed annular seal space jointly, end cap is established the airtight and watertight padding layer respectively about leaning in the chamber, establishes shading ring and separate between the airtight and watertight padding layer, and screwed hole is established at the seal middle part, pod apertures is established at the shading ring middle part, and runner is established at the helical axis middle part.
During work, axis of rotation 26 is by the hydraulic motor driven rotary, and water under high pressure enters seal 29 through joint from the screwed hole that is positioned at the seal middle part, and the runner that enters on the axis of rotation 26 through the pod apertures at shading ring 30 middle parts flows into the spray boom of installing on the axis of rotation again.Because between axis of rotation and the shading ring is matched in clearance, water under high pressure can enter the gap between ring and between centers and ring and seal by the pod apertures on the shading ring, but because the gap is very little, the direction that the pressure of water under high pressure falls along pressure decays terribly, last remaining not decay pressure is by packing seal, and water under high pressure can be from end caps leakage up and down yet under the maximum pressure even guaranteed to be operated in.
Interchangeable shower nozzle is boundling shower nozzle or atomizer, is connected on the axis of rotation of high pressure rotary sealing.Atomizer is made up of spray boom and pulverizing nozzle, is arranged with 20-30 pulverizing nozzle on the cross spray boom.
Pulverizing nozzle includes nozzle body, sheath and nozzle core to be formed, and in the middle of the nozzle core diameter being arranged is the spray orifice of 0.3-0.5mm, and nozzle core and sheath thereof are embedded in the nozzle body.The material of nozzle body is a stainless steel, and the material of sheath is engineering plastics, and the material of nozzle core is a ruby.
Operating principle of the present utility model: diesel engine drives high pressure reciprocating pump work by shaft coupling, the normal temperature clear water enters reciprocating pump by water inlet pipe after fore pump pressure filtration, be delivered to the shower nozzle that plane cleaner is installed through throttling pressure regulator valve, high-pressure hose on it, form high-pressure water jet, to destructions such as the flushing of dirt layer, stripping layer, fragmentations, finish cleaning to the road face by high-speed jet except that the glue operation.Simultaneously, the part power band hydrodynamic pressure oil pump that diesel engine is told is delivered to the hydraulic motor of installing on the plane cleaner through hydraulic oil pipe, and the driven rotary motor drives the shower nozzle rotation, drives running motor driving plane cleaner and walks automatically.
The utility model configuration is simple and practical, and washer separates with main frame, and main frame is a trailer-type, does not take vehicle, has greatly reduced the complete machine expense.Simultaneously, owing to adopted cluster fluidic and two kinds of interchangeable shower nozzles of dispersed jet, what make that washer adapts to different materials road face removes the glue operation.In addition, even velocity helps guaranteeing removing uniformly the colloid amount.Through use proof, the utility model to reach external level for a long time on the airport, be fit to Chinese airfield runway and remove the glue needs with the constant power unit.
Description of drawings:
Fig. 1, airfield runway remove glue unit schematic diagram.
Fig. 2, arrangements for speed regulation structure diagram, wherein 1, adjusting nut, 2, end cap, 3, spring, 4, piston, 5, driving lever, 6, cylinder barrel, 7, plunger, 8, seal, 9, the high pressure chest interface.
Fig. 3, hydraulic system schematic diagram, wherein 10, one way valve, 11, work control reversal valve, 12, flexible pipe and snap joint, 13, pressure meter, 14, reversal valve, 15, overflow valve, 16, fine filter, 17, flow speed control valve, 18, oil pump, 19, hydraulic motor, 20, reversal valve, 21, cooler, 22, coarse filter, 23, fuel tank, 24, one way valve, 25, one way valve.
Fig. 4, high pressure rotary sealing sectional view, wherein: 26, axis of rotation, 27, bottom end cover, 28, airtight and watertight padding, 29, seal, 30, shading ring, 31, upper end cover, 32, pod apertures, 33, runner.
Fig. 5, atomizing nozzle structure schematic diagram, wherein 34, nozzle core, 35, sheath, 36, nozzle body.
Fig. 6, plane cleaner structure schematic diagram, wherein 37, flow speed control valve, 38, hand-operated direction valve, 39, the valve piece, 40, travelling car, 41, hydraulic hose, 42, the shower nozzle rotary hydraulic motor, 43, rotatory sealing, 44, spray boom, 45, the carriage walking hydraulic motor, 46, chain drive.
The specific embodiment:
Referring to Fig. 1,3,6, the utility model is divided into on-vehicle host and automatic travel plane washer two parts, and on-vehicle host is equipped with fore pump, diesel engine, high pressure reciprocating pump and electrical control cubicles.Major part gear pump, strainer, fuel tank, cooler and the control valve of hydraulic system also are installed in the on-vehicle host.Two hydraulic motors installing on the plane cleaner and control valve group, a walking that is used for the control plane washer, direction is by hand-operated direction valve 20 controls; One is used to drive the rotary nozzle rotation, and the rotating speed of two motors can be regulated by flow speed control valve 17 respectively, isolates by two one way valves 24,25 between its oil-out, avoids interfering with each other.
Hydraulic system adopts high-pressure gear pump as pressure oil-source, rated operating pressure 14MPa, and actual working pressure generally is located at 10MPa.Gear pump is installed on the pump bracket, by the belt pulley of installing on the intermediate propeller shaft, obtains driving force from diesel engine output shaft front end, must not provide prime mover for gear pump separately.For regulating belt transmission center to center distance, connect the oil-in of gear pump and the pipeline of oil suction strainer and oil-out and high pressure filter and adopted hydraulic hose.
The operation of glue car is many to be carried out at night owing to remove, and often was in high pressure and removes the operating mode that glue operation and running unloaded alternate, and arrangements for speed regulation (referring to Fig. 2) can be regulated the rotating speed of diesel engine more conveniently, with the different operating situation of coupling washer.The cylinder barrel 6 of arrangements for speed regulation has a high pressure chest interface 9, it is connected with high-pressure pump, on the casing wall at cylinder barrel 6 middle parts a notch is arranged, driving lever 5 can slippage in notch, and the other end of cylinder barrel has an end cap 2, one piston 4 is arranged in the cylinder barrel chamber, be with spring on it, driving lever 5 is contained on the piston head, and plunger 7 is between high pressure chest interface and piston 7, move to piston 4 directions during plunger 7 pressurizeds, plunger 7 is established black box 8.
The water under high pressure that high pressure rotary sealing (referring to Fig. 4) is responsible for high-pressure hose is transported is transported in the spray boom of rotation, is the critical component in the plane cleaner, is made up of axis of rotation 26, bottom end cover 27, seal 29 and airtight and watertight padding 28 and shading ring 30.Upper end cover 31, bottom end cover 27, axis of rotation 26 and the seal 29 common annular seal spaces of forming, has installed respectively between two-layer airtight and watertight padding 28, two place's fillers and has separated with shading ring 30 at close end cap place up and down in the chamber, avoids filler play in annular seal space.
Shower nozzle comprises spray boom and nozzle, and perpendicular spray boom upper end is connected with axis of rotation 26, and the lower end connects five-way.On other four holes of five-way, connect four spray booms, constitute cross.Shower nozzle has two kinds of boundling shower nozzle and atomizers, can exchange as required.By the reasonable close atomizer of putting in about 2/3 position, end, shower nozzle is provided with 26 to atomizer altogether on the cross spray boom, is exclusively used in asphalt track and removes glue.Pulverizing nozzle (referring to Fig. 5) is by body of stainless steel 36, and ruby nozzle core 34 and engineering plastics nozzle protector are formed.Injection diameter in the middle of the nozzle is 0.4mm.
The plane cleaner is the end effector of whole glue-removing equipment, and it mainly is made up of rotary nozzle, hydraulic control valve piece, hydraulically powered walking mechanism and the pressure control mechanism of fluid motor-driven, and its structure as shown in Figure 6.The turning to of hydraulic motor that drives rotary nozzle fixed, and the motor that drives walking mechanism is the directional control valve control that turns to by installing on the valve piece, the joystick of the moving direction valve of preceding pushing hands, and washer advances, back spanner handle, washer retreats; The speed of travel of plane cleaner and the rotary speed of shower nozzle, just the rotating speed of two motors is by two flow speed control valve stepless time adjustments of installing on the valve piece, the regulating handle that turns clockwise, and motor rotary speed is accelerated gradually, be rotated counterclockwise regulating handle, motor rotary speed reduces gradually.The operating pressure of water jet system can be boosted and pressure release by the pressure control mechanism control of installing on the plane cleaner after main pump has been set.
When using plane cleaner to carry out runway except that the glue washing and cleaning operation, at first should connect two oil pipes removing rear portion, glue Main Engine compartment and two snap joints on the plane cleaner according to the mark in the snap joint of hydraulic oil pipe two ends is correct, when connecting snap joint, recessed end (being connected on valve piece and rear portion, the compartment hard tube) slip cap of joint should be retreated to the root of joint, again joint nose (being connected the two ends of hydraulic hose) is inserted the recessed end of joint depths, then slip cap is firmly resetted, wait to hear slight click sound, representing promptly that snap joint has connected finishes, and can use.
Before the system works, the control of the water under high pressure pressure on plane cleaner trigger should be placed on vent position, the speed adjusting lever of hydraulic motor is rotated counterclockwise on earth, and the handle of direction of travel control valve places vertical stop position.Treat that system host starts, after having water to flow to plane cleaner and overflow in the high-pressure water pipe, just can slowly rotate the speed adjusting lever that drives hydraulic motor clockwise, whether observe revolution flexible, have or not the jam phenomenon, observing rotatory sealing has the leakproof phenomenon, and whether the viewing plane washer speed of travel is even, and whether commutation is controlled freely.After all are normal, can change cleaning over to.Attention: in rotatory sealing anhydrous by the time, forbid to start the hydraulic motor that drives the shower nozzle rotation, in order to avoid rotatory sealing is owing to the water-free lubrication dry friction damages!
After cleaning is finished, after main frame speed is transferred the end, pull the pressure release trigger and let out, the handle of hydraulic motor flow speed control valve is rotated counterclockwise on earth except that system works pressure, treat that motor stops operating after, Shutdown Hosts fully again.
The utility model important technological parameters: pressure 70Mpa, power 110KW removes glue speed 8-10m/min, cleaning width 0.6m.
Claims (10)
1, airfield runway removes the glue unit, comprises the automatic travel plane washer of on-vehicle host and hydraulic-driven two parts, and on-vehicle host mainly comprises fore pump and multistorey strainer mesh, diesel engine, high-pressure pump, electrical control cabinet, hydraulic system and square railway carriage or compartment trailer; The major part gear pump of hydraulic system, strainer, fuel tank, cooler and control valve group are installed in the main frame railway carriage, and valve group, hydraulic motor are installed on the plane cleaner, connect with snap joint by flexible pipe between the two, it is characterized in that:
A, diesel engine have disposed the arrangements for speed regulation with the interlock of plane cleaner duty;
Interchangeable rotary nozzle by fluid motor-driven has been installed on b, the plane cleaner, a high pressure rotary sealing has been arranged between hydraulic motor and shower nozzle;
Walking mechanism by fluid motor-driven has been installed on c, the plane cleaner.
2, airfield runway according to claim 1 removes the glue unit, it is characterized in that arrangements for speed regulation include cylinder barrel (6), piston (4), plunger (7) and adjusting nut (1).
3, airfield runway according to claim 2 removes the glue unit, cylinder barrel one end that it is characterized in that adjusting device is provided with a high pressure chest interface (9), the other end has an end cap (2), one notch is arranged on the casing wall at the middle part of cylinder barrel, piston (4) is positioned at the cylinder barrel chamber, be with spring on it, driving lever (5) is fixed on piston crown, and plunger (7) is with seal (8), and adjusting nut (1) is arranged on the end cap (2).
4, airfield runway according to claim 1 removes the glue unit, two hydraulic motors that it is characterized in that hydraulic control walking mechanism and shower nozzle pressure rotating mechanism are equipped with flow speed control valve, establish one way valve between two hydraulic motor oil-outs respectively, the hydraulic motor of walking mechanism is provided with reversal valve.
5, airfield runway according to claim 1 removes the glue unit, it is characterized in that high pressure rotary sealing includes axis of rotation (26), bottom end cover (27), upper end cover (31), seal (29), airtight and watertight padding layer (28) and shading ring (30).
6, airfield runway according to claim 5 removes the glue unit, it is characterized in that bottom end cover (27), upper end cover (31) and seal (29) form annular seal space jointly, establish airtight and watertight padding layer (28) respectively by upper and lower end cap in the chamber, establishing shading ring (30) between the airtight and watertight padding layer separates, seal (29) middle part is provided with screwed hole, shading ring (30) middle part is provided with pod apertures, and runner is established at axis of rotation (26) middle part.
7, airfield runway according to claim 1 removes the glue unit, it is characterized in that interchangeable shower nozzle for fast shower nozzle of collection or atomizer, is connected on the axis of rotation of high pressure rotary sealing.
8, airfield runway according to claim 8 removes the glue unit, it is characterized in that atomizer is made up of spray boom and pulverizing nozzle, is arranged with 20-30 pulverizing nozzle on the cross spray boom.
9, airfield runway according to claim 8 removes the glue unit, it is characterized in that pulverizing nozzle includes nozzle body (36), sheath (35) and nozzle core (34), in the middle of the nozzle core diameter being arranged is the spray orifice of 0.3-0.5mm, and nozzle core and sheath thereof are embedded in the nozzle body.
10, airfield runway according to claim 8 removes the glue unit, and the material that it is characterized in that nozzle body is a stainless steel, and the material of sheath is engineering plastics, and the material of nozzle core is a ruby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262508 CN2556260Y (en) | 2002-06-14 | 2002-06-14 | Glue-removing machine set for runway of airport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262508 CN2556260Y (en) | 2002-06-14 | 2002-06-14 | Glue-removing machine set for runway of airport |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2556260Y true CN2556260Y (en) | 2003-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02262508 Expired - Fee Related CN2556260Y (en) | 2002-06-14 | 2002-06-14 | Glue-removing machine set for runway of airport |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2556260Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966966A (en) * | 2014-04-29 | 2014-08-06 | 福建龙马环卫装备股份有限公司 | Cleaning and sweeping vehicle rotary type high-pressure cleaning device |
| CN104307788A (en) * | 2014-09-30 | 2015-01-28 | 武汉大学深圳研究院 | Ice particle, and method and device for removing rubber from airport runway by using ice particles |
| CN105887736A (en) * | 2016-04-21 | 2016-08-24 | 中国民航大学 | Automatic airfield runway glue removal system |
| CN105964577A (en) * | 2016-05-10 | 2016-09-28 | 中国民航大学 | Multi-degree-of-freedom automatic cleaning device for recessed lamps of airport runways and control method |
| CN106540829A (en) * | 2015-09-21 | 2017-03-29 | 天津市通洁高压泵制造有限公司 | A kind of novel high-pressure cleaning cut-off rifle |
| CN106540832A (en) * | 2015-09-21 | 2017-03-29 | 天津市通洁高压泵制造有限公司 | A kind of superelevation pressurized overflow cleaning device |
| CN104699059B (en) * | 2015-03-04 | 2017-04-12 | 中国民航大学 | Remote-control automatic degumming system based on image recognition technology and control method thereof |
| CN106968210A (en) * | 2017-04-22 | 2017-07-21 | 河南广宇场道工程有限公司 | A kind of high-pressure water jet airport runway removes gluing method |
| CN109058751A (en) * | 2018-10-12 | 2018-12-21 | 西安昊池环保工程有限公司 | Wind power generating set lubricating oil refined filtration case and filtration system |
| CN113186862A (en) * | 2021-05-01 | 2021-07-30 | 河南新路航交通科技有限公司 | Special glue removing vehicle for runway pavement of airport |
| CN114054409A (en) * | 2021-10-08 | 2022-02-18 | 合肥通用机械研究院有限公司 | Rotation speed adjustable self-rotating plane cleaner with hydraulic damping speed limit |
-
2002
- 2002-06-14 CN CN 02262508 patent/CN2556260Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966966B (en) * | 2014-04-29 | 2016-01-13 | 福建龙马环卫装备股份有限公司 | Sweeper rotating type high-pressure cleaning device |
| CN103966966A (en) * | 2014-04-29 | 2014-08-06 | 福建龙马环卫装备股份有限公司 | Cleaning and sweeping vehicle rotary type high-pressure cleaning device |
| CN104307788A (en) * | 2014-09-30 | 2015-01-28 | 武汉大学深圳研究院 | Ice particle, and method and device for removing rubber from airport runway by using ice particles |
| CN104699059B (en) * | 2015-03-04 | 2017-04-12 | 中国民航大学 | Remote-control automatic degumming system based on image recognition technology and control method thereof |
| CN106540832A (en) * | 2015-09-21 | 2017-03-29 | 天津市通洁高压泵制造有限公司 | A kind of superelevation pressurized overflow cleaning device |
| CN106540829A (en) * | 2015-09-21 | 2017-03-29 | 天津市通洁高压泵制造有限公司 | A kind of novel high-pressure cleaning cut-off rifle |
| CN105887736A (en) * | 2016-04-21 | 2016-08-24 | 中国民航大学 | Automatic airfield runway glue removal system |
| CN105964577A (en) * | 2016-05-10 | 2016-09-28 | 中国民航大学 | Multi-degree-of-freedom automatic cleaning device for recessed lamps of airport runways and control method |
| CN106968210A (en) * | 2017-04-22 | 2017-07-21 | 河南广宇场道工程有限公司 | A kind of high-pressure water jet airport runway removes gluing method |
| CN109058751A (en) * | 2018-10-12 | 2018-12-21 | 西安昊池环保工程有限公司 | Wind power generating set lubricating oil refined filtration case and filtration system |
| CN109058751B (en) * | 2018-10-12 | 2023-12-22 | 大唐灵宝风力发电有限责任公司 | Lubricating oil fine filtering box and filtering system for wind generating set |
| CN113186862A (en) * | 2021-05-01 | 2021-07-30 | 河南新路航交通科技有限公司 | Special glue removing vehicle for runway pavement of airport |
| CN114054409A (en) * | 2021-10-08 | 2022-02-18 | 合肥通用机械研究院有限公司 | Rotation speed adjustable self-rotating plane cleaner with hydraulic damping speed limit |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEFEI GENERAL MACHINERY INSTITUTE Free format text: FORMER NAME OR ADDRESS: HUATE JET TECH. ENGINEERING CO., LTD, HEFEI |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Hefei General Machinery research Institute Patentee before: Huate Jet Tech. Engineering Co., Ltd, Hefei |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |