CN202295269U - 360-degree all rotation outboard and inboard double-motor contra-rotating propeller propelling device - Google Patents
360-degree all rotation outboard and inboard double-motor contra-rotating propeller propelling device Download PDFInfo
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- CN202295269U CN202295269U CN2011203107500U CN201120310750U CN202295269U CN 202295269 U CN202295269 U CN 202295269U CN 2011203107500 U CN2011203107500 U CN 2011203107500U CN 201120310750 U CN201120310750 U CN 201120310750U CN 202295269 U CN202295269 U CN 202295269U
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Abstract
The utility model relates to a 360-degree all rotation outboard and inboard double-motor contra-rotating propeller propelling device, which has the core technology of contra-rotating propellers at high speed of high-speed boats and ships. The energy saving rate, the sailing speed and the propelling efficiency are improved by about 10 percent. The propelling device adopts a coder, a servo motor, a speed reducer, a large cylindrical gear and a small cylindrical gear to be connected with a lower box body through a rotary sleeve to realize the 360-degree all rotation. The turning of a boat is flexible, the reversing speed is 1.6 to 1.8 times higher than that in the prior art, and the sailing is safe. A hydraulic or electromagnetic clutch and an electronic gear shifting hydraulic control valve are adopted. Two frequency-variable motor oil pump units are adopted for supplying oil, and the effects of safety and energy saving are reached. A Haff type square box body with additionally-added heat radiation fins is connected with a conical support frame and a boat body, absorbs the propelling force, the vibration and the collision force, and protects the support frame. The front side and the back side of the lower box body are in a flow line type, and the middle section of the lower box body is in a wing type, so the resistance is reduced. The structure is novel and compact, the appearance dimension is small, and the weight is light. The propelling device adopts the core technology that the coder and a frequency-variable motor are communicated with a cab touch instrument visual screen through a driver and a programmable logic controller (PLC) single cable, a host accelerator and a clutch are electronically controlled, and the double-motor 360-degree synchronous full process operation and control is reached.
Description
Technical field
The present invention relates to power driven vessel, ship Powerpush Unit, particularly a kind of 360 ° of full circle swinging two-shipper synchronized operations are best to be advanced and handles effect and adopt the inside and outside two-shipper of the advanced side of a ship in the world that can save power (saving oil consumption) in a large number at a high speed to changeing the marine propulsion of oar technology.
1. be that the energy of the horn-like spray spin loss of bow oar is absorbed by the back oar and becomes the straight horizontal wire and produce more macro-energy to changeing oar fuel-economizing principle, make thrust be much higher than single-blade.The present invention is on many dissimilar boats and ships reach 10 years to the contrast test of slow spin oar and navigation practical basis; Adopt the high performance airscrew collection of illustrative plates and designed high speed to changeing oar through Theoretical Calculation; Its energy-conservation value, the speed of a ship or plane and propulsion coefficient improve about 10%, high speed vessel, yacht, public affair ship, the ship of war of operating ship speed more than 15～20 joints.This is a core technology of the present invention.
2. another core technology of the present invention is to adopt a kind of motor of special use through slowing down and 360 ° of full circle swingings of corresponding mechanism realization oar rudder gyro-rotor rotating part; Thereby make the boats and ships cast, tune is flexible, and boats and ships can both reach maximum thrust in any direction; The maximum energy-saving value; Most important be to change oar planar Rotate 180 ° open ahead running and realize reversing, fast 1.6～1.8 times than tradition of its back-up speeds make navigation safer.
3. boats and ships sets sail and stops then by clutch control.Since omit reverse-gear and reverse clutch, its control cock customized design, and structure is simpler, omits wherein move backward spool and reversing passage.Drive pump fuel feed by two energy-conservation variable-frequency motors, safety is energy-conservation again.To the structure, material, reliability, the expeditious measures that design power-transfer clutch voluntarily, general design, weight, profile have significant improvement, stable working, and noise is low.
4. propelling unit upper box and fixing rack structure have been made significant improvement; Mainly be that propulsive force and vibration are born by original support and changed by hull bear novel except that structure, compact, the easy accessibility; Particularly its impact can be protected the propelling unit support effectively also by hull bear when screw propeller receives external force collision.
For reduce resistance, steering moment of torsion, weight to lower box linear and inherent parts made significant improvement, make that the lower box streamline contour is level and smooth, neat in edge, clear, attractive in appearance, degree of finish improves.Complete machine weight saving, anti-corrosion, durable.
6. the most important core technology of the present invention is to have adopted 360 ° of synchronous electronics whole process of full circle swinging two-shipper to control.It is not only mechanically and breaks through, electronic code especially, important breakthrough in the programming.When adopting two above propelling units, no matter be that boats and ships set sail, turn, reverse end for end, can both reach most convenient from going to dock and moveing backward, safe and reliable, operating pattern also is the important breakthrough of marine operation safety efficiently.Adopt electromechanical integration technology to design whole project and reach most advanced level.
7. existing electric propulsion scheme and patent are put into effect (seeing the patent No. of having authorized: ZL200410052768.X and ZL201020247439.1) before the patent application of the present invention; Therefore can realize the hybrid power scheme; When the speed of a ship or plane is low, adopt electric propulsion, rather than diesel powered, consumption of fuel can be reduced; Eliminate exhaust emissions; Equally also needn't be at a high speed or overload operation for the high-speed ship driving engine of high-speed auger oar, can prolong the diesel engine life-span thus, hybrid power has a clear superiority in accelerating the ultra energy-conservation and zero-emission boats and ships of propelling unit simultaneously.Therefore patent of the present invention not only makes the energy-conservation optimum value that reaches of propelling unit, and to the energy-conservation improvement project and the operational feasibility of having proposed of diesel engine.
8. patent structure of the present invention is novel, compact, oad is little, in light weight, compares in light weight 20～30% with machine inside and outside the side of a ship of external equal-wattage.
9. because power is shared by two screw propellers, diameter reduces 12～16% than single-blade, is fit to the shallow draft waterway navigation.
Background technology
The conventional push motion device be by the combustion engine in the cabin connect just have, the gear case of reversing and speed changing function, drive single screw through tween drive spindle, stern tube shaft, do not possess energy saving effect.See that from cost the conventional push motion device all has 1.5～3m even longer stern tube shaft stern guard system, and weight is big, cost is high.The gear case noise vibrates greatly in addition, and the gear transmission loss in efficiency is big, and bearing load is big, complex structure.Mainly be that conventional art (being gear case) is difficult to realize to changeing oar mode of operation and technical requirements.
Patent of invention " 360 ° of full circle swinging boats and ships are to the rotating oar propulsive unit " (number of patent application: 200910045713.9) be only applicable to low-tach freighter, passenger boat, cruise liner, auxiliary vessel, inshore fishing of application before the present invention.Be not suitable for for high speed vessel, ship, the public affair ship of the speed of a ship or plane more than 15～20 joints.This external cause complete machine structure is compact inadequately, and fixing rack structure and oad are bigger; For the propelling unit that two units are installed, its 360 ° of full circle swinging unit stationary problems do not propose solution and concrete way; In addition to the big boats and ships of power and tonnage because to changeing oar at the casing rear, steering moment is bigger, and lower box is linear not good enough, and resistance increases, it is attractive in appearance that outward appearance is owed; It has been original inapplicable to changeing the theoretical collection of illustrative plates of oar for high-speed ship.Hydraulic efficiency pressure system does not relate to safer, energy-conservation scheme and electronic control mode yet; 360 of operator's compartment ° of synchronous whole process of full circle swinging is controlled and is electronically controlledly looked screen is not mentioned also to rest on traditional level during duplex running.Moreover, though the energy-conservation higher level that reached of propelling unit, to the energy-conservation improvement project that do not propose of diesel engine.
Summary of the invention
The present invention's " 360 ° of inside and outside two-shippers of the full circle swinging side of a ship are to rotating oar propulsive unit " comprises the rudder oar gyro-rotor that is fixed on the ship stern; Drive first messenger chain of the tween drive spindle in the oar rudder gyro-rotor; Drive second messenger chain of the rotating part in the oar rudder gyro-rotor, 360 ° of full circle swinging two-shipper synchronized operation electron steering driver trains reach and primary mover bonded assembly high elastic coupling.
Driving engine directly links to each other with oar rudder gyro-rotor through high elastic coupling (saving plunging joint), and rudder oar gyro-rotor comprises that one is fixed on the square upper box of being made up of the upper and lower casing of outer radiation fin under the ship stern deck of Hough formula; Comprise in the upper box that one rotatably is located between the upper box upper and lower casing, its axis is vertical with tween drive spindle, and an end stretches out the outer rotating shaft of upper box; One be fixed in the upper box rotating shaft with the king bolt bevel gear ingear small spiral bevel gear that is fixed on tween drive spindle upper end; Whether it meshes by the clutch control in the upper box; With hydraulic clutch or magnetic clutch; Can design or select the home or overseas product voluntarily, its control cock available hydraulic control cock, electric liquid electromagnetic change-over valve or electron gear shifting fluid control valve; The control cock customized design is removed reversing spool and passage, and the hydraulic oil of power-transfer clutch gets into cooling vessel control cock pipeline by two energy-conservation variable-frequency motor oil pump units (wherein subsequent use) fuel feeding.
One with the conical stent that upper box lower end circular slab base is fixed and the bottom links to each other with fixed muffle, fixed muffle is through the bottom gland packing, conical stent links to each other with conical hull shell frame; One is rotatably installed in the conical stent, and its upper end is stretched in the cavity of upper box lower end, and the turnbarrel of fixed muffle is passed in the lower end; One is fixed on the streamline contour lower box of turnbarrel lower end; Its leading portion lengthening, the inside is bearing case and anchor shaft, the section casing is level and smooth before and after making; Linear good, the stage casing changes the wing stream line pattern into by circle; And use the aluminum alloy material expendable weight, with High molecular material oil sealing corrosion-proof wear, the life-span is long; One upper and lower side is rotatable respectively to be arranged in upper box and the lower box cavity, and the stage casing is positioned at the tween drive spindle of turnbarrel; (comprising the stage casing elastic coupling), one rotatably is located in the lower box, and its axis and end vertical with tween drive spindle stretches out the first outer prop shaft of lower box; One is installed in first high performance airscrew on the first prop shaft external part; One rotatably is located in the lower box, second prop shaft that its axis overlaps with first prop shaft; One is installed in second high performance airscrew of the second prop shaft external part; Two be installed in respectively bevel gear wheel and that first and second prop shafts are positioned at the lower box two ends be fixed on the tween drive spindle lower end respectively with two bevel gear wheel ingear bevel pinions.(being screw bevel gear)
Inside and outside above-mentioned 360 ° of full circle swinging sides of a ship two-shipper to rotating oar propulsive unit in 360 ° of full circle swinging driver trains of second messenger chain comprise that the servomotor that is fixed on three band coders on the upper box lower case circular slab base joins retarder, be fixed on the small cylinder gear on the reducer output shaft; The big column gear that is fixed on circular slab base below by three small cylinder gears drives; Be fixed on the conical swivel of big column gear bottom; And its underpart is installed in the turnbarrel between fixed muffle and the tween drive spindle; Turnbarrel is connected with stream line pattern lower box stage casing airfoil type structural screws and adds the stage casing elastic coupling; Can be convenient to maintenance easily with going up lower box separately.
360 ° of full circle swinging two-shipper synchronized operation electron steering driver trains comprise and energy-conservation variable-frequency motor and servomotor coder bonded assembly actuator; PLC; Main battery charge and discharge box; PLC touches instrument through the logical operator's compartment of single cable and looks screen and the two oar effectors of two-shipper, and also through 360 ° of steering bearing circle, 360 ° of bearing indicators reach 360 ° of synchronous electronics whole process of two-shipper and control except that the control energy-conservation variable-frequency motor of oil pump and ECD electronic control diesel throttle and power-transfer clutch.
Description of drawings
Describe the embodiment of the invention in detail so that clearer understanding its purpose, characteristics and advantage below in conjunction with accompanying drawing.
Fig. 1 is that the side of a ship of the present invention inside and outside (two-shipper) is made primary mover ship stern schematic side view to the rotating oar propulsive unit diesel engine;
Fig. 2 is that the side of a ship of the present invention inside and outside (unit) is made primary mover ship stern schematic top plan view to the rotating oar propulsive unit diesel engine;
Fig. 3 is the side-looking structural representation of the side of a ship of the present invention inside and outside (unit) to rotating oar propulsive unit one embodiment;
Fig. 4 is that the side of a ship of the present invention inside and outside (unit) is to rotating oar propulsive unit structure left view shown in Figure 3;
Fig. 5 is that the side of a ship of the present invention inside and outside (two-shipper) is installed 2 propelling unit birds-eye vieies to rotating oar propulsive unit structure shown in Figure 1;
For the sake of clarity, identical identical parts and the structure of symbolic representation in institute's drawings attached.
The specific embodiment
Referring to Fig. 1, the inside and outside two-shipper of 360 ° of full circle swinging sides of a ship of the present invention comprises rotating oar propulsive unit: the oar rudder gyro-rotor 18 that is fixed on the ship stern; Protection oar rudder gyro-rotor 18 be fixed on the ship stern housing 2 by the outer radiation fin Hough formula square box formed of housing 11 and 10 and be spirally connected as support top and lower cone shape support 3 up and down with circular slab base 10; Drive first messenger chain of the tween drive spindle 19 in the oar rudder gyro-rotor 18, drive second messenger chain of rotating part in the oar rudder gyro-rotor 18,360 ° of full circle swingings (two-shipper) synchronized operation electron steering driver train 17 reaches and primary mover bonded assembly high elastic coupling 15.
Referring to Fig. 1 and 3,4, when primary mover is diesel engine, comprise in the upper box that one rotatably is located between the upper and lower casing 10,11 vertical the and end of its axis and tween drive spindle 19 and stretches out the outer rotating shaft 34 of upper box; One be fixed in the upper box rotating shaft 34 with the auger screw bevel gear that is fixed on tween drive spindle 19 upper ends 36 ingear conelet screw bevel gears 35; Its engagement is controlled by the power-transfer clutch in the upper box 14 with disengagement, at circular slab base the right and left of upper box lower case 10 an oil pump unit that is driven oil pump 9 by energy-conservation variable-frequency motor 7 through coupler 8 is installed respectively.During oil pump 9 work; Power fluid is from upper box 10; The cooling vessel 12 of oil sump on coarse filtration (not drawing among the figure) force feed to upper box lid 46 and the oil cylinder of the control cock 13 entering power-transfer clutchs 14 of fil (not drawing among the figure) on power fluid after the cooling is leaded up to upper box lid 46 in 11; The operation pressure valve of another road in control cock 13 overflows (low pressure) to each lubricant housings, and major part is then returned the upper box oil sump.
Upper and lower two sections of tween drive spindle 19 minutes is linked to each other by coupler 49, and its upper end can be rotatably set in the upper box lower case 10, and the lower end can be rotatably set in the cavity of lower box 20, and the stage casing is positioned at turnbarrel 48; First screw shaft 45 can be rotatably set in the lower box 20, and the vertical and end of its axis and tween drive spindle 19 stretches out outside the lower box 20.First high performance airscrew 21 is installed on the external part of first prop shaft 45; And a king bolt bevel gear 44 is installed on the end that first screw shaft 45 is positioned at lower box 20; Second prop shaft 42 can be rotatably set in the lower box 20; Its axis overlaps with first prop shaft 45 and an end stretches out outside the lower box 20; Other has a king bolt bevel gear 41 to be installed on the end that second prop shaft 42 is positioned at lower box 20, and second high performance airscrew 22 is installed on the external part of second prop shaft 42, two king bolt bevel gears 41 and 44 respectively with the small spiral bevel gear that is installed in tween drive spindle 19 lower ends 40 engagements.
In the place ahead of lower box 20 streamlined shell 43 has been installed, the bearing shell 51 and anchor shaft 52 of second prop shaft 42 arranged in the housing 43.
Second messenger chain of oar rudder gyro-rotor 18 rotating parts comprises: be fixed on the retarder 4 on the upper box lower case 10 circular slab bases, and servomotor 5,6 three units of coder are formed; The output shaft of retarder 4 is installed three small cylinder gears 37 respectively and is meshed with the big column gear that is installed in circular slab base below 38 jointly.Be fixed on big column gear 38 bottoms and top be the turnbarrel 48 of conical bottom between fixed muffle 47 and tween drive spindle 19; Turnbarrel 48 its lower ends are passed fixed muffle 47 and are linked to each other with the airfoil type housing 39 of fixed muffle gland 50 with lower box 20 stage casings.
Comprise and three coders 6 and energy-conservation variable-frequency motor 7 bonded assembly actuators 24 referring to Fig. 2,5 said 360 ° of full circle swinging two-shipper synchronized operation electron steering driver trains 17; PLC25; Main battery charge and discharge box 26, PLC25 touches instrument through single cable 27 logical operator'ies compartment and looks screen 17 and the two oar effectors 32 of two-shipper, or unit 32I; The touch instrument is looked screen 17 the energy-conservation variable-frequency motor 29 of control left and right sides oil pump is installed; 30,360 ° of bearing indicators of 360 ° of steering bearing circle 31 and main frame throttle electron steering 28, power-transfer clutch electron steering 33 and other instrument.Main battery charge and discharge box 26 connects illumination peculiar to vessel, navigational signals, radio telephone, emergency dynamo, hybrid-power battery group again except that connecting actuator 24 and PLC25, be not described further at this because of drawing among the figure.
It is that the rotating part of oar rudder gyro-rotor 18 rotates 180 ° that the reversing of ship of the present invention, ship makes 360 ° of bearing indicators 31 forward 180 ° to from 0 ° through 360 ° of steering bearing circle 30 in the slewing maneuver driver train 17; Start ahead running ship, ship reverse travel even commentaries on classics oar 21,22 is forwarded to the place ahead of tween drive spindle 19 axis; In 15～20 seconds, accomplish reversing and meet ship inspection standard; Easy operation, fast 1.6～1.8 times than tradition of reversings are navigated by water safer.
Claims (3)
1. the inside and outside two-shipper of 360 ° of full circle swinging sides of a ship is to rotating oar propulsive unit; The oar rudder gyro-rotor that comprises the ship stern; Drive first messenger chain of the tween drive spindle in the oar rudder gyro-rotor; Drive second messenger chain of oar rudder gyro-rotor rotating part, 360 ° of full circle swinging two-shipper synchronized operation electron steering driver trains reach and primary mover bonded assembly high elastic coupling;
(1) the present invention adopts at a high speed and improves about 10% to changeing its energy-conservation value of oar, the speed of a ship or plane and propulsion coefficient;
(2) two-shipper of ship stern; Every servomotor by three band coders connects reductor and drives three small cylinder gears respectively and drive a big column gear more jointly; The big column gear connects conical swivel, connects the turnbarrel that passes fixed muffle again and realizes 360 ° of full circle swingings;
(3) engagement of a pair of screw bevel gear is adopted hydraulic clutch, magnetic clutch, its control cock available hydraulic control cock, electric liquid electromagnetic change-over valve, electron gear shifting control cock with disengagement in the upper box; Form oil pump unit fuel feeding by two energy-conservation variable-frequency motors;
(4) the Hough formula square box of being made up of upper and lower casing outer radiation fin is made upper box, and does support top with the circular slab base, connects lower cone shape support and conical hull shell frame and fixes;
(5) the special improvement designed inherent parts of stream line pattern lower box and stage casing airfoil type structure;
(6) 360 ° of full circle swinging two-shipper synchronized operation electron steering driver trains comprise and energy-conservation variable-frequency motor and servomotor coder bonded assembly actuator, PLC, main battery charge and discharge box; PLC touches instrument through the logical operator's compartment of single cable and looks screen and the two oar effectors of two-shipper; Except that controlling oil pump variable-frequency motor and ECD electronic control diesel throttle, power-transfer clutch; Also through 360 ° of steering bearing circle, 360 ° of bearing indicators reach 360 ° of synchronous electronics whole process of two-shipper and control.
2. like two-shipper inside and outside right 1 said 360 ° of full circle swinging sides of a ship rotating oar propulsive unit first messenger chain is meshed by the conelet screw bevel gear of upper box internal fixation in rotating shaft and the auger screw bevel gear that is fixed on the tween drive spindle upper end; First and second prop shaft in the lower box; Two be installed in respectively king bolt bevel gear and that first and second prop shafts are positioned at the lower box two ends be fixed on the tween drive spindle lower end respectively with two king bolt bevel gear ingear small spiral bevel gears.
3. like two-shipper inside and outside right 1 or the 2 said 360 ° of full circle swinging sides of a ship rotating oar propulsive unit is characterized in that the design-calculated clutch control valve saves reversing spool and respective channel in the upper box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203107500U CN202295269U (en) | 2011-08-25 | 2011-08-25 | 360-degree all rotation outboard and inboard double-motor contra-rotating propeller propelling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203107500U CN202295269U (en) | 2011-08-25 | 2011-08-25 | 360-degree all rotation outboard and inboard double-motor contra-rotating propeller propelling device |
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| CN202295269U true CN202295269U (en) | 2012-07-04 |
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| CN2011203107500U Expired - Fee Related CN202295269U (en) | 2011-08-25 | 2011-08-25 | 360-degree all rotation outboard and inboard double-motor contra-rotating propeller propelling device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390508A (en) * | 2011-08-25 | 2012-03-28 | 肖鑫生 | 360-degree full revolving inboard and outboard (dual-machine) contrarotating propeller propulsion device |
| CN103043200A (en) * | 2012-12-12 | 2013-04-17 | 舟山海川船舶机械有限公司 | Full-rotary device |
| CN103661901A (en) * | 2013-12-27 | 2014-03-26 | 青岛造船厂有限公司 | VSP propeller protecting device and manufacturing and installing process thereof |
| CN104608899A (en) * | 2014-12-20 | 2015-05-13 | 舟山海川船舶机械有限公司 | Control device of full-revolving propeller |
| CN104828231A (en) * | 2015-06-02 | 2015-08-12 | 肖鑫生 | Whole structure of 360-degree full-circle-swinging inside-and-outside-ship-side (dual engine) contra-rotating propeller propelling plant |
| CN105083516A (en) * | 2015-09-11 | 2015-11-25 | 宁波东方船舶设计院有限公司 | Ship with engaging and disengaging gear |
| CN105579341A (en) * | 2013-09-11 | 2016-05-11 | Zf腓德烈斯哈芬股份公司 | Boat drive |
| CN108146605A (en) * | 2016-12-06 | 2018-06-12 | 柳州市向日葵智能机械科技有限公司 | A kind of electric plating propulsion |
| CN108438188A (en) * | 2018-03-30 | 2018-08-24 | 莆田三帆设备制造有限公司 | A kind of outboard tail machine that split type 360 degree of variable-ratio freely turns to |
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2011
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390508A (en) * | 2011-08-25 | 2012-03-28 | 肖鑫生 | 360-degree full revolving inboard and outboard (dual-machine) contrarotating propeller propulsion device |
| CN103043200A (en) * | 2012-12-12 | 2013-04-17 | 舟山海川船舶机械有限公司 | Full-rotary device |
| CN103043200B (en) * | 2012-12-12 | 2016-08-03 | 舟山海川船舶机械有限公司 | All-rotation device |
| CN105579341A (en) * | 2013-09-11 | 2016-05-11 | Zf腓德烈斯哈芬股份公司 | Boat drive |
| CN105579341B (en) * | 2013-09-11 | 2017-09-22 | Zf 腓德烈斯哈芬股份公司 | Ship driver |
| CN103661901A (en) * | 2013-12-27 | 2014-03-26 | 青岛造船厂有限公司 | VSP propeller protecting device and manufacturing and installing process thereof |
| CN103661901B (en) * | 2013-12-27 | 2015-12-30 | 青岛造船厂有限公司 | VSP propelling unit fender guard and making thereof, mounting process |
| CN104608899A (en) * | 2014-12-20 | 2015-05-13 | 舟山海川船舶机械有限公司 | Control device of full-revolving propeller |
| CN104828231A (en) * | 2015-06-02 | 2015-08-12 | 肖鑫生 | Whole structure of 360-degree full-circle-swinging inside-and-outside-ship-side (dual engine) contra-rotating propeller propelling plant |
| CN105083516A (en) * | 2015-09-11 | 2015-11-25 | 宁波东方船舶设计院有限公司 | Ship with engaging and disengaging gear |
| CN108146605A (en) * | 2016-12-06 | 2018-06-12 | 柳州市向日葵智能机械科技有限公司 | A kind of electric plating propulsion |
| CN108438188A (en) * | 2018-03-30 | 2018-08-24 | 莆田三帆设备制造有限公司 | A kind of outboard tail machine that split type 360 degree of variable-ratio freely turns to |
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| C14 | Grant of patent or utility model | ||
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| DD01 | Delivery of document by public notice |
Addressee: Xiao Xinsheng Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20120825 |