CN104533606A - Liquefied fuel engine - Google Patents
Liquefied fuel engine Download PDFInfo
- Publication number
- CN104533606A CN104533606A CN201510014386.6A CN201510014386A CN104533606A CN 104533606 A CN104533606 A CN 104533606A CN 201510014386 A CN201510014386 A CN 201510014386A CN 104533606 A CN104533606 A CN 104533606A
- Authority
- CN
- China
- Prior art keywords
- base
- gas tank
- liquefied gas
- crankcase body
- liquefied
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides a liquefied fuel engine and belongs to the technical field of engines. The liquefied fuel engine solves the problem that an existing engine is tedious in fueling operation. The liquefied fuel engine comprises a crankshaft box in which an output shaft is arranged. The liquefied fuel engine further comprises a liquefied gas tank which is arranged on the crankshaft box and located above the output shaft, and the liquefied gas tank is detachably and fixedly connected with the crankshaft box through a fixing structure. The liquefied fuel engine is safe and convenient to use in the using process.
Description
Technical field
The invention belongs to technical field of engines, relate to a kind of liquefied fuel motor.
Background technique
The Work machines such as agricultural ploughing machine, microtilling machine, mowing machine, ice removing machine are used widely in agricultural field, for microtilling machine, with small diesel engine or petrol engine for power, have lightweight, the features such as volume is little, and structure is simple, are widely used in the nonirrigated farmland, paddy field, orchard etc. on Plain, mountain area, hills, as the machinery of a platform independent, usually need installation motor as Power output.
As Chinese utility model patent application (application number: 200920206914.8) disclose a kind of microtilling machine, comprise frame, motor, engine cylinder head, fuel tank, transmission case, standpipe, the fuel tank of this microtilling machine is rear-mounted, namely described fuel tank is arranged at the top of described engine cylinder head, the motor of this microtilling machine is arranged in frame, and fuel tank is fixed on engine cylinder-body.And the motor of use independently can be sold as one, as Chinese utility model patent application (application number: 200920118728.9) disclose a kind of general purpose engine, comprise a crankcase body and one be connected on crankcase body, with crankcase body in the cylinder block necessarily to upper angle, the top that silencing apparatus with silencer cylinder is installed on cylinder block is connected with firing chamber, the corresponding silencing apparatus compartment of terrain of air filter is arranged at an end position of cylinder block, lower wind scooper, side wind deflector, the large cover of wind-guiding and stay cord cover are installed on the surrounding of crankcase body and cylinder block respectively, the outer side surface of crankcase body and cylinder block is furnished with radiating fin, heatsink transverse sheet is all provided with at the two ends up and down of radiating fin, this motor is same with the motor on above-mentioned microtilling machine adopts fuel tank, the profile of fuel tank is processed to adapt with the external structure of cylinder body, and fuel tank is directly fixed on cylinder body, need after fuel oil in fuel tank uses to refuel to fuel tank, fuel tank and outer surface of cylinder block not only can be made to be covered with oil stain, shelter evil people and countenance evil practices, and refueling process troublesome poeration, time-consuming, work continuity is caused to reduce.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of liquefied fuel motor, the using process of this liquefied fuel motor is safe, convenient.
Object of the present invention realizes by following technical proposal: a kind of liquefied fuel motor, comprise crankcase body, output shaft is provided with in described crankcase body, it is characterized in that, also comprise liquefied gas tank, described liquefied gas tank is arranged on crankcase body, and liquefied gas tank is positioned at the top of output shaft, and described liquefied gas tank is removably fixed with by a fixed structure and crankcase body.
Liquefied gas tank is independently parts, a motor can be equipped with multiple liquefied gas tank, liquefied gas tank can independently be annotated propane voluntarily, also can arrive working terminal to change, multiple liquefied gas tank can be carried to job site during work, namely the liquefied gas tank be finished manually can more be reengined, convenient and swift, keep work continuity; Be installed to after on the farm equipments such as microtilling machine by this motor, because liquefied gas tank is arranged on crankcase body, therefore weight is more concentrated simultaneously, overcomes the defect of operation effort when fuel tank is fixed on handle by existing part agricultural ploughing machine.
In above-mentioned liquefied fuel motor, also comprise laminal base, one edge of described base is bent to form downwards has flexible connection flange one, the another side of described base is V-shape along being bent to form cross section and having flexible connection flange two, described connection flange one be connected flange two and be connected mutually with crankcase body respectively, and base keeps level, have gap between base bottom and crankcase body outer side wall, above-mentioned liquefied gas tank is arranged on base.Because the propane in liquefied gas tank is different from common fuel tank internal combustion oil, after propane adopts compression, liquid form is stored in liquefied gas tank, Security when therefore using liquefied gas tank proposes higher requirement, motor in use can produce continual vibrations, if these vibrations continue, significantly be delivered on liquefied gas tank, potential safety hazard can be produced, therefore this motor arranges base, this base is by connecting flange one and being connected flange two and crankcase body is connected, and there is between Its lower side face and crankcase body outer side wall gap, namely the middle part of base is unsettled, liquefied gas tank is fixed on base by fixed structure, namely the bottom of liquefied gas tank is pressed on base upper side, the vibrations that motor produces can be filtered by base, alleviate, base is horizontally disposed with simultaneously, the displacement that liquefied gas tank produces to side in vibrations process is avoided to tend to, also make the vibrations of liquefied gas tank even, crankcase body comprises crankshaft room and firing chamber, the vibrations produced in crankshaft room can become far away along with distance and amplify, above firing chamber, silencing apparatus is set, liquefied gas tank is positioned at above crankshaft room, to reduce vibrations, improve Safety performance.
In above-mentioned liquefied fuel motor, angle between described connection flange one and base is acute angle, described crankcase body outer side wall has some legs, described leg has the attachment face of inclination, above-mentioned connection flange one and attachment face are affixed merga pass screw and are connected mutually.The vibrations that crankcase body produces are passed to by leg and connect flange one, have angle, have cushioning effect between the two, thus the vibrations connected on flange one filtered, reduce the shock momentum be delivered on base owing to connecting flange one with base horizontal component.
In above-mentioned liquefied fuel motor, described crankcase body has connection projection, above-mentioned connection flange two be connected projection and be connected mutually by screw.Cross section is V-shape, namely can compress or the connection flange two that stretches by trace, base is made to have horizontal play space at horizontal position, also make base have upper and lower bradyseism space simultaneously, be connected flange one to reduce vibrations, connect flange one and the outside being connected flange two and being all positioned at liquefied gas tank simultaneously, make vibrations need to be transmitted by base, namely can be alleviated by base, reduce the impact on liquefied gas tank.
In above-mentioned liquefied fuel motor, described base upper side is vertically fixed with two strip connecting plates, and the lower end of this two connecting plate is all connected mutually by screw and Base edge, and described fixed structure is arranged between two connecting plates.Namely base supports liquefied gas tank, and the fixed structure between connecting plate is fixed liquefied gas tank, screw is adopted to be connected between connecting plate with base, and the integral structure that non punching is formed, what energy minimizing shook is directly delivered on connecting plate, and then be delivered on liquefied gas tank, base is rectangular, connect flange one and is connected flange two lay respectively at two relative edges edges locate, two connecting plates lay respectively at two other relative edges along place, namely away from the tie point of base and crankcase body, increase vibrations and transmit distance, reduce shock momentum.
In above-mentioned liquefied fuel motor, described fixed structure comprises loose collar, the edge, side, upper end of connecting plate described in two is bent to form the joint of L font, the outer side wall of above-mentioned loose collar is connected in the two ends of joint by welding, described loose collar is set on the outer side wall of liquefied gas tank, and the two ends of loose collar are connected mutually by fixing bolt.Loose collar is a kind of common secure component, that adopt a strip, that there is bar shaped fixed plate, this fixed plate is bent into ring-type, its two ends are connected by fixing bolt, be tightened bolt time, liquefied gas tank can be held tightly by loose collar, when unclamping fixing bolt, the diameter of loose collar becomes large, liquefied gas tank can take out, and therefore the replacing of liquefied gas tank is convenient and swift, and connecting plate is connected with locking ring mutually by the joint of L-type, a connecting plate and locking ring have two tie points, and namely joint plays structural strengthening effect to loose collar.Certain as fixing liquefied gas tank, fixed structure also can adopt some holding down bolts, and some screws are offered in the upper end of connecting plate, and holding down bolt passes screw and the end of holding down bolt is pressed on the sidewall of liquefied gas tank.
Compared with prior art, this liquefied fuel motor has the following advantages:
1, because this motor adopts liquefied fuel propane as fuel, be equipped with liquefied gas tank, liquefied gas tank can independently be annotated propane voluntarily, also can arrive working terminal to change, multiple liquefied gas tank can be carried to job site during work, namely the liquefied gas tank be finished manually can more be reengined, convenient and swift, keep work continuity.
2, because base is by connecting flange one and being connected flange two and being connected with crankcase body, and the middle part of base is unsettled, the vibrations that motor produces can by base, connect flange one and connect flange two and filter, alleviate, to reduce vibrations, raising Safety performance.
3, because the cross section connecting flange two is V-shape, namely can compress or the connection flange two that stretches by trace, base is made to have horizontal play space at horizontal position, also make base have upper and lower bradyseism space simultaneously, therefore the vibrations on crankcase body can be alleviated by base, reduce the impact on liquefied gas tank.
Accompanying drawing explanation
Fig. 1 is the perspective view of this liquefied fuel motor.
Fig. 2 is the structure side view of this liquefied fuel motor.
Fig. 3 is the perspective view of crankcase body.
Fig. 4 is the perspective view of this liquefied fuel motor when not installing liquefied gas tank.
In figure, 1, crankcase body; 11, leg; 12, projection is connected; 13, output shaft; 14, silencing apparatus; 2, base; 21, flange one is connected; 22, flange two is connected; 3, liquefied gas tank; 4, fixed structure; 41, loose collar; 42, fixing bolt; 5, connecting plate; 51, joint.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, a kind of liquefied fuel motor, comprise crankcase body 1, the base 2 of tabular and liquefied gas tank 3, crankcase body 1 comprises crankshaft room and firing chamber, bent axle is provided with in crankshaft room, bent axle is connected with output shaft 13, crankcase body 1 outer side wall is fixed with silencing apparatus 14, the edge of base 2 is connected mutually with crankcase body 1, this base 2 is positioned at the top of output shaft 13, silencing apparatus 14 is positioned at the side of base 2, base 2 upper side keeps level, and between base 2 downside and crankcase body 1 outer side wall, there is gap, liquefied gas tank 3 is arranged on the upper side of base 2, and liquefied gas tank 3 is removably fixed with base 2 by a fixed structure 4.Liquefied gas tank 3 is in tubular shape, independently parts, a motor can be equipped with multiple liquefied gas tank 3, liquefied gas tank 3 can independently be annotated propane voluntarily, also can arrive working terminal to change, multiple liquefied gas tank 3 can be carried during work to job site, namely manually can more reengine the liquefied gas tank 3 be finished, convenient and swift, keep work continuity, because the propane in liquefied gas tank 3 is different from common fuel tank internal combustion oil, after propane adopts compression, liquid form is stored in liquefied gas tank 3, Security when therefore using liquefied gas tank 3 proposes higher requirement, motor in use can produce continual vibrations, if these vibrations continue, significantly be delivered on liquefied gas tank 3, potential safety hazard can be produced, therefore this motor is arranged base 2, this base 2 is connected by edge and crankcase body 1, and there is between base 2 downside and crankcase body 1 outer side wall gap, namely the middle part of base 2 is unsettled, liquefied gas tank 3 is fixed on base 2 by fixed structure 4, namely the bottom of liquefied gas tank 3 is pressed on base 2 upper side, the vibrations that motor produces can be filtered by base 2, alleviate, the vibrations produced in crankshaft room can become far away along with distance and amplify, therefore silencing apparatus 14 is positioned at above firing chamber, liquefied gas tank 3 is positioned at above crankshaft room, to reduce vibrations, improve Safety performance.
Specifically, composition graphs 2, shown in Fig. 3, base 2 is rectangular, one edge of this base 2 is bent to form downwards and connects flange 1, angle between this connection flange 1 and base 2 is acute angle, crankcase body 1 outer side wall have two legs 11, leg 11 has the attachment face of inclination, connection flange 1 is affixed merga pass screw with attachment face and is connected mutually, the vibrations that crankcase body 1 produces are passed to by leg 11 and connect flange 1, with base 2 horizontal component, there is angle owing to connecting flange 1, there is cushioning effect between the two, thus the vibrations connected on flange 1 are filtered, reduce the shock momentum be delivered on base 2.The relative edge of base 2 is along being bent to form the connection flange 2 22 that cross section is V-shape, crankcase body 1 has and connects projection 12, connect flange 2 22 and be connected projection 12 and be connected mutually by screw, cross section is V-shape, namely can compress or the connection flange 2 22 that stretches by trace, base 2 is made to have horizontal play space at horizontal position, also make base 2 have upper and lower bradyseism space simultaneously, be connected flange 1 to reduce vibrations, connect flange 1 and the outside being connected flange 2 22 and being all positioned at liquefied gas tank 3 simultaneously, vibrations are made to need to be transmitted by base 2, namely can be alleviated by base 2, reduce the impact on liquefied gas tank 3.
Shown in composition graphs 4, fixed structure 4 comprises loose collar 41, base 2 upper side is vertically fixed with two strip connecting plates 5, the lower end of this two connecting plate 5 is all connected mutually by screw and base 2 edge, the edge, side, upper end of connecting plate 5 described in two is bent to form the joint 51 of L font, the outer side wall of loose collar 41 is connected in the two ends of joint 51 by welding, loose collar 41 is set on the outer side wall of liquefied gas tank 3, and the two ends of loose collar 41 are connected mutually by fixing bolt 42.Loose collar 41 is a kind of common secure components, that adopt a strip, that there is bar shaped fixed plate, this fixed plate is bent into ring-type, its two ends are connected by fixing bolt 42, be tightened bolt 42 time, liquefied gas tank 3 can be held tightly by loose collar 41, when unclamping fixing bolt 42, the diameter of loose collar 41 becomes large, and liquefied gas tank 3 can take out, and therefore the replacing of liquefied gas tank 3 is convenient and swift.Base 2 pairs of liquefied gas tanks 3 support, and the fixed structure 4 pairs of liquefied gas tanks 3 between connecting plate 5 are fixed, screw is adopted to be connected between connecting plate 5 with base 2, and the integral structure that non punching is formed, what energy minimizing shook is directly delivered on connecting plate 5, and then be delivered on liquefied gas tank 3, base 2 is rectangular, connect flange 1 and is connected flange 2 22 lay respectively at two relative edges edges locate, two connecting plates 5 lay respectively at two other relative edges along place, namely away from the tie point of base 2 with crankcase body 1, increase vibrations and transmit distance, reduce shock momentum, and connecting plate 5 is connected with locking ring mutually by the joint 51 of L-type, a connecting plate 5 has two tie points with locking ring, namely joint 51 pairs of loose collars 41 play structural strengthening effect.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ crankcase body 1, leg 11 herein, connect the terms such as projection 12, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. a liquefied fuel motor, comprise crankcase body (1), output shaft (13) is provided with in described crankcase body (1), it is characterized in that, also comprise liquefied gas tank (3), described liquefied gas tank (3) is arranged on crankcase body (1), and liquefied gas tank (3) is positioned at the top of output shaft (13), described liquefied gas tank (3) is removably fixed with by a fixed structure (4) and crankcase body (1).
2. liquefied fuel motor according to claim 1, it is characterized in that, also comprise laminal base (2), one edge of described base (2) is bent to form downwards has flexible connection flange one (21), the another side of described base (2) is V-shape along being bent to form cross section and having flexible connection flange two (22), described connection flange one (21) be connected flange two (22) and be connected mutually with crankcase body (1) respectively, and base (2) keeps level, between base (2) bottom and crankcase body (1) outer side wall, there is gap, above-mentioned liquefied gas tank (3) is arranged on base (2).
3. liquefied fuel motor according to claim 2, it is characterized in that, angle between described connection flange one (21) and base (2) is acute angle, described crankcase body (1) outer side wall have some legs (11), described leg (11) has the attachment face of inclination, above-mentioned connection flange one (21) is affixed merga pass screw with attachment face and is connected mutually.
4. liquefied fuel motor according to claim 2, it is characterized in that, described crankcase body (1) has connection projection (12), above-mentioned connection flange two (22) be connected projection (12) and be connected mutually by screw.
5. the liquefied fuel motor according to Claims 2 or 3 or 4, it is characterized in that, described base (2) upper side is vertically fixed with two strip connecting plates (5), the lower end of this two connecting plate (5) is all connected mutually by screw and base (2) edge, and described fixed structure (4) is arranged between two connecting plates (5).
6. liquefied fuel motor according to claim 5, it is characterized in that, described fixed structure (4) comprises loose collar (41), the edge, side, upper end of connecting plate described in two (5) is bent to form the joint (51) of L font, the outer side wall of above-mentioned loose collar (41) is connected in the two ends of joint (51) by welding, described loose collar (41) is set on the outer side wall of liquefied gas tank (3), and the two ends of loose collar (41) are connected mutually by fixing bolt (42).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014386.6A CN104533606B (en) | 2015-01-12 | 2015-01-12 | A kind of liquefied fuel engine |
| PCT/CN2015/071209 WO2016112556A1 (en) | 2015-01-12 | 2015-01-21 | Liquefied fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014386.6A CN104533606B (en) | 2015-01-12 | 2015-01-12 | A kind of liquefied fuel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533606A true CN104533606A (en) | 2015-04-22 |
| CN104533606B CN104533606B (en) | 2018-01-30 |
Family
ID=52849199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014386.6A Active CN104533606B (en) | 2015-01-12 | 2015-01-12 | A kind of liquefied fuel engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104533606B (en) |
| WO (1) | WO2016112556A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11897326B2 (en) * | 2021-10-08 | 2024-02-13 | Toyota Jidosha Kabushiki Kaisha | Fuel tank |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234298U (en) * | 1985-08-19 | 1987-02-28 | ||
| CN203022877U (en) * | 2012-04-27 | 2013-06-26 | 杨华昌 | Portable small-size gas power generation unit |
| US20130263821A1 (en) * | 2012-01-16 | 2013-10-10 | Nagesh Siddabasappa Mavinahally | Gaseous Fuel Tank and Power Tool |
| CN103459802A (en) * | 2011-02-03 | 2013-12-18 | 伯纳多·赫泽 | Portable gas powered internal combustion engine arrangement |
| CN203584568U (en) * | 2013-10-16 | 2014-05-07 | 重庆大江动力设备制造有限公司 | Gas power generation unit |
| CN204511647U (en) * | 2015-01-12 | 2015-07-29 | 温岭正峰动力有限公司 | A kind of liquefied fuel motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3351492B2 (en) * | 1994-05-06 | 2002-11-25 | 株式会社日本ウォルブロー | Liquefied petroleum fuel supply system for internal combustion engine |
| US7878170B1 (en) * | 2007-10-24 | 2011-02-01 | Herzer Bernardo J | LPG fueled internal combustion engine powered devices |
| CN201180591Y (en) * | 2008-03-04 | 2009-01-14 | 中山市威胜金属制造有限公司 | Gas engine |
-
2015
- 2015-01-12 CN CN201510014386.6A patent/CN104533606B/en active Active
- 2015-01-21 WO PCT/CN2015/071209 patent/WO2016112556A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234298U (en) * | 1985-08-19 | 1987-02-28 | ||
| CN103459802A (en) * | 2011-02-03 | 2013-12-18 | 伯纳多·赫泽 | Portable gas powered internal combustion engine arrangement |
| US20130263821A1 (en) * | 2012-01-16 | 2013-10-10 | Nagesh Siddabasappa Mavinahally | Gaseous Fuel Tank and Power Tool |
| CN203022877U (en) * | 2012-04-27 | 2013-06-26 | 杨华昌 | Portable small-size gas power generation unit |
| CN203584568U (en) * | 2013-10-16 | 2014-05-07 | 重庆大江动力设备制造有限公司 | Gas power generation unit |
| CN204511647U (en) * | 2015-01-12 | 2015-07-29 | 温岭正峰动力有限公司 | A kind of liquefied fuel motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11897326B2 (en) * | 2021-10-08 | 2024-02-13 | Toyota Jidosha Kabushiki Kaisha | Fuel tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104533606B (en) | 2018-01-30 |
| WO2016112556A1 (en) | 2016-07-21 |
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Address after: 317500, No. 1, science Road, Chengdong street, Wenling, Zhejiang, Taizhou Patentee after: Qianjiang Group Wenling Zhengfeng Power Co., Ltd Address before: 317500, No. 1, science Road, Chengdong street, Wenling, Zhejiang, Taizhou Patentee before: Wenling Zhengfeng Power Co., Ltd. |
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