CN102313126B - Integrated lubricating grease recovery system - Google Patents
Integrated lubricating grease recovery system Download PDFInfo
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- CN102313126B CN102313126B CN 201110312380 CN201110312380A CN102313126B CN 102313126 B CN102313126 B CN 102313126B CN 201110312380 CN201110312380 CN 201110312380 CN 201110312380 A CN201110312380 A CN 201110312380A CN 102313126 B CN102313126 B CN 102313126B
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- oil
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- cylinder
- waste oil
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- 239000004519 grease Substances 0.000 title claims abstract description 35
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 230000001050 lubricating effect Effects 0.000 title abstract description 5
- 239000002699 waste material Substances 0.000 claims abstract description 202
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000005461 lubrication Methods 0.000 claims description 30
- 239000002828 fuel tank Substances 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007443 liposuction Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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Abstract
The invention relates to an integrated lubricating grease recovery system, which comprises a pressure oil pump, a two-position four-way electromagnetic valve, a waste oil discharge and suction control oil pipe, an electronic control device and the like, wherein an oil inlet opening of the two-position four-way electromagnetic valve is communicated with an oil outlet path of the pressure oil pump, an oil return opening is communicated with an oil tank of the pressure oil pump, the waste oil discharge and suction control oil pipe is respectively communicated with the other two oil openings of the two-position four-way electromagnetic valve, a waste oil cavity, a waste oil discharge pressure oil cavity and a waste oil suction pressure oil cavity are respectively arranged in each hydraulic piston pump, four interfaces are respectively communicated with a waste oil discharge interface, the waste oil suction interface and a waste oil discharge and suction pressure interface of the waste oil cavity, the waste oil cavity of the hydraulic piston pump is conducted with a waste oil collection pipe in one way through the waste oil discharge interface and a one-way valve for discharging oil to the waste oil collection pipe, the waste oil cavity of the hydraulic piston pump is conducted with a waste oil outlet opening arranged on a friction pair in one way through the waste oil suction interface, the waste oil discharge pressure oil interface and the waste oil suction pressure oil interface are respectively communicated onto a waste oil control oil pipe and the waste oil suction control oil pipe, and the waste oil collection pipe is connected into a waste oil collection container.
Description
Technical field
The invention belongs to lubrication technical field, relate to a kind of grease recovery system, relate in particular to a kind of centralized lubrication grease recovery system.
Background technique
In recent years, in the grease lubrication technical field, the grease lubrication technology has obtained widely development.Especially at regular time and quantity centralized lubrication technology has more scientifically solved the grease lubrication problem of machinery friction pair, has obtained popularization and application.But existing centralized lubrication product all is consumption-type mostly, and after new grease added the lubricant housings, waste and old grease was extruded, and arbitrarily drippage is discarded, seldom reclaims.Seriously polluted to machinery equipment and operating environment, the waste and old grease that also makes some originally can reclaim the reprocessing utilization wastes.Therefore, be necessary to develop the technology that when the centralized lubrication operation, can collect simultaneously waste oil, thereby realize low-carbon environment-friendly, reach the purpose of benefiting the nation and the people.
Summary of the invention
The purpose of this invention is to provide a kind of centralized lubrication grease recovery system, the waste and old grease that in time friction pair is discharged in the automatic recovery centralized lubrication process makes its regeneration, satisfies environmental requirement and economizes on resources.
The present invention adopts following technical proposals to achieve the above object: a kind of centralized lubrication grease recovery system, comprise the pressure oil pump with fuel tank, two position four-way solenoid valves, waste discharge oil control oil pipe, waste suction oil control oil pipe, carried out the fluid-operated piston pump of liposuction and row's fat by described waste discharge oil control oil pipe and waste suction oil control oil pipe driven, the electric control device of waste oil collecting pipe and the operation of control whole system etc., the filler opening cut-in pressure oil pump vent line of two position four-way solenoid valves, and the fuel tank of its return opening cut-in pressure oil pump, the front end of waste discharge oil control oil pipe and waste suction oil control oil pipe is connected respectively in addition two hydraulic fluid ports of two position four-way solenoid valves, a waste oil chamber is arranged in each fluid-operated piston pump, a waste discharge oil pressure oil pocket and a waste suction oil pressure oil pocket, corresponding interface, be respectively the waste discharge oil interface and the waste suction oil interface that makes waste oil chamber suction waste oil that are used for discharging waste oil in the waste oil chamber that lead to the waste oil chamber, and the waste suction oil pressure oil interface of the waste discharge oil pressure of conducting waste discharge oil pressure oil pocket oil interface and conducting waste suction oil pressure oil pocket, the waste oil chamber of fluid-operated piston pump is by waste discharge oil interface with to the one-way valve one-way conduction waste oil collecting pipe of waste oil collecting pipe oil extraction, the waste oil chamber of fluid-operated piston pump is through portalling the waste oil that arranges on the oily interface one-way conduction of its waste suction that the sucks waste oil friction pair, its waste discharge oil pressure oil interface and waste suction oil pressure oil interface are connected on respectively on waste discharge oil control oil pipe and the waste suction oil control oil pipe, described waste oil collecting pipe access set waste oil container.
Described fluid-operated piston pump comprise one with the housing of single order step hole and with two sector holes of this step hole ladder piston of cooperating of slipper seal all, form the waste oil chamber between ladder piston small end face and housing aperture end face, form waste discharge oil pressure oil pocket between the large hole end surface of ladder piston large end face and housing, form waste suction oil pressure oil pocket between the shaft shoulder in the middle of the ladder piston and the shoulder in the middle of housing two sector holes.
Described fluid-operated piston pump comprises reciprocating pump and two-way cylinder, reciprocating pump comprises the piston that the piston pump housing and chamber slipper seal within it cooperate, the piston pump housing and piston one end form the waste oil chamber, the two-way cylinder two ends are respectively equipped with waste discharge oil pressure oil pocket and waste suction oil pressure oil pocket, two-way cylinder one end is provided with guide hole, the cylinder rod of two-way cylinder stretches out from guide hole, cylinder rod cooperates with the guide hole slipper seal, reciprocating pump is fixedly connected with along axis with two-way cylinder, and the cylinder rod external part is linked together along axis and the piston the other end.
Described fluid-operated piston pump comprises reciprocating pump and two-way cylinder, reciprocating pump comprises the piston pump housing, piston and return spring that chamber slipper seal within it cooperates, the piston pump housing and piston one end form the waste oil chamber, return spring leans between the piston pump housing and piston, the two-way cylinder two ends are respectively equipped with waste discharge oil pressure oil pocket and waste suction oil pressure oil pocket, two-way cylinder one end is provided with guide hole, the cylinder rod of two-way cylinder stretches out from guide hole, cylinder rod cooperates with the guide hole slipper seal, reciprocating pump is fixedly connected with along axis with two-way cylinder, and the cylinder rod external part leans at the piston the other end along axis.
Described collection waste oil container comprises two ends cylinder with cover, the large piston that cooperates with the cylinder bore slipper seal, be used for promoting push rod that large piston moves etc., the cylinder bore upper end cap forms sealing collection waste oil chamber with large piston space, the cylinder upper end cap is provided with the turnover oil interface be used to be tightly connected waste oil collecting pipe and discharging waste oil, the cylinder lower end cap is provided with along the guide hole of cylinder bore axial direction, push rod one end stretches into cylinder inner carrier one side by guide hole, and the other end stretches out outside the guide hole.
Further, in described cylinder, be provided with large piston supported spring along the cylinder bore axial direction between large piston and the lower end cap.
Described fluid-operated piston pump is connected to the indicating arm of indication waste oil chamber volume-variation limit position.
Described fluid-operated piston pump is connected to the automatically controlled sensor of indication waste oil chamber volume-variation limit position.
The present invention can reach following good effect after adopting said structure: can be to the timely the automatic recovery of waste and old grease of discharging, and not only environmental protection but also energy-conservation.Product adaptation of the present invention is in strict electromechanical equipments of all kinds of electromechanical equipments that need grease centralized lubricating, particularly environmental requirement such as food machinery, metallurgy, lifting transportations.
Description of drawings
Fig. 1 is centralized lubrication grease recovery system embodiment 1 structural representation of the present invention.
Fig. 2 is the fluid-operated piston pump structure schematic representation among the centralized lubrication grease recovery system embodiment 1 of the present invention.
Fig. 3 is the structural representation of the collection waste oil container among the centralized lubrication grease recovery system embodiment 1 of the present invention.
Embodiment
Below by accompanying drawing the present invention is described further.In centralized lubrication grease recovery system embodiment 1 structural representation shown in Figure 1, the centralized lubrication grease recovery system comprises the pressure oil pump 2 with fuel tank 1, two position four-way solenoid valves 4, waste discharge oil control oil pipe 6 and waste suction oil control oil pipe 7, carried out the fluid-operated piston pump 8 of liposuction and row's fat by described waste discharge oil control oil pipe 6 and waste suction oil control oil pipe 7 driven, waste oil collecting pipe 9, the electric control device 3 of collection waste oil container 5 and the operation of control whole system etc., the vent line of the oil inlet P cut-in pressure oil pump 2 of two position four-way solenoid valves 4, and the fuel tank 1 of its oil return inlet T cut-in pressure oil pump 2, the front end of waste discharge oil control oil pipe 6 and waste suction oil control oil pipe 7 is connected respectively in addition two hydraulic fluid ports of two position four-way solenoid valves 4, waste discharge oil control oil pipe 6 and waste suction oil control oil pipe 7 are connected on the fluid-operated piston pump 8, fluid-operated piston pump 8 is provided with waste suction oil interface and is connected on the lubrication friction pair, fluid-operated piston pump 8 is provided with waste discharge oil interface by one-way valve 10 access waste oil collecting pipes 9, passes into collection waste oil container 5 again.
In the fluid-operated piston pump structure schematic representation among grease centralized lubricating shown in Figure 2 and the reclaiming system embodiment 1, fluid-operated piston pump 8 comprise one with the housing 11 of single order step hole and with two sector holes of this step hole ladder piston 12 of cooperating of slipper seal all, form waste oil chamber a between ladder piston 12 small end faces and housing 11 aperture end faces, form waste discharge oil pressure oil pocket c between ladder piston 12 large end faces and housing 11 large hole end surfaces, form waste suction oil pressure oil pocket b between the shoulder in the middle of 11 liang of sector holes of the shaft shoulder in the middle of the ladder piston 12 and housing.Corresponding interface, be respectively the waste discharge oil interface d that is used for waste oil in the discharge waste oil chamber a that leads to waste oil chamber a and make waste oil chamber a suck the oily interface f of waste suction of waste oil, and waste discharge oil pressure oil interface g and waste suction oil pressure oil interface e, the waste discharge oil interface d of each fluid-operated piston pump 8 is by one-way valve 10 one-way conduction waste oil collecting pipes 9, the waste oil that arranges on its waste suction oil interface f conducting lubrication friction pair portals, its waste discharge oil pressure oil interface g and waste suction oil pressure oil interface e are connected on respectively on two-way control oil pipe 6 and 7, and waste oil collecting pipe 9 passes into collection waste oil container 5.Fluid-operated piston pump 8 also can be connected to the indicating arm of indication waste oil chamber a volume-variation limit position, perhaps is connected to the automatically controlled sensor of indication waste oil chamber a volume-variation limit position.
In the collection waste oil container structural representation among grease centralized lubricating shown in Figure 3 and the reclaiming system embodiment 1, collection waste oil container 5 comprises two ends cylinder with cover 14, the large piston 13 that cooperates with cylinder 14 inner chamber slipper seals, be used for promoting push rod 15 that large piston 13 moves etc., cylinder 14 inner chamber upper end caps and 13 in large piston form sealing collection waste oil chamber k, cylinder 14 upper end caps are provided with the turnover oil interface h be used to be tightly connected waste oil collecting pipe 9 and discharging waste oil, lower end cap is provided with along the guide hole m of cylinder 14 inner chamber axial directions, push rod 15 1 ends are in guide hole m stretches into cylinder 14, and the other end stretches out outside the guide hole m.Between cylinder 14 interior large pistons 13 and cylinder 14 lower end caps, along cylinder 14 inner chamber axial directions a large piston supported spring can also be set.
Under electric control device 3 controls, pressure oil pump 2 is at first switched on, pressure oil pump 2 is fuel-displaced to enter two position four-way solenoid valves 4 through oil inlet P, enter again the waste discharge oil pressure oil pocket c of fluid-operated piston pump 8 by waste discharge oil control oil pipe 6, oil pressure promotes ladder piston 12 and moves to the small end face direction from the large end face direction, grease is successively by waste suction oil pressure oil interface e in the waste suction oil pressure oil pocket b, the oil return inlet T of waste suction oil control oil pipe 7 and two position four-way solenoid valves 4 flows back to fuel tank 1, simultaneously, ladder piston 12 seals first behind the waste suction oil interface f the waste oil in a of waste oil chamber successively by the oily interface d of waste discharge and one-way valve 10, is pressed into waste oil collecting pipe 9 and is pooled to collect waste oil container 5.After the waste oil of waste oil chamber a is drained, the 4 energising commutations of two position four-way solenoid valves, pressure oil pump 2 is fuel-displaced to enter two position four-way solenoid valves 4 through oil inlet P, the waste suction oil pressure oil pocket b that enters fluid-operated piston pump 8 by the oily control oil pipe 7 of waste suction again pushes back ladder piston 12, grease is successively by waste discharge oil pressure oil interface g in the waste discharge oil pressure oil pocket c, the oil return inlet T of waste discharge oil control oil pipe 6 and two position four-way solenoid valves 4 flows back to fuel tank 1, simultaneously, the waste oil that arranges on a volume expansion of waste oil chamber and again conducting waste suction oil interface f and the lubrication friction pair portals, the waste and old grease of sucking-off in the lubrication friction pair, reduce to press in the lubrication friction pair, in order to better inject new grease.Fluid-operated piston pump 8 also can be made two-way cylinder and reciprocating pump two body fixed structures.
Further, waste oil in the waste oil collecting pipe 9 is by the turnover oil interface h indentation sealing collection waste oil chamber k of collection waste oil container 5, after collecting a certain amount of waste oil, take off waste oil collecting pipe 9 from the turnover oil interface h of collection waste oil container 5, manually press push rod 15, waste oil is extruded from passing in and out oily interface h, then connect waste oil collecting pipe 9.
Claims (8)
1. centralized lubrication grease recovery system, comprise band fuel tank (1) pressure oil pump (2), two position four-way solenoid valves (4), waste discharge oil control oil pipe (6) and waste suction oil control oil pipe (7), carry out fluid-operated piston pump (8), waste oil collecting pipe (9), the collection waste oil container (5) of liposuction and row's fat and control the electric control device (3) that whole system is moved by described waste discharge oil control oil pipe (6) and waste suction oil control oil pipe (7) driven; It is characterized in that: two position four-way solenoid valves (4) filler openings (P) cut-in pressure oil pumps (2) vent line, and the fuel tank (1) of its return opening (T) cut-in pressure oil pump (2), waste discharge oil control oil pipe (6) and waste suction oil control oil pipe (7) front end are connected respectively in addition two hydraulic fluid ports of two position four-way solenoid valves (4), a waste oil chamber (a) is arranged in the fluid-operated piston pump (8), a waste discharge oil pressure oil pocket (c) and a waste suction oil pressure oil pocket (b), corresponding interface, be respectively the waste discharge oil interface (d) that is used for the interior waste oil in discharge waste oil chamber (a) that leads to waste oil chamber (a) and make waste oil chamber (a) suck the waste suction oil interface (f) of waste oil, and the waste suction oil pressure oil interface (e) of the waste discharge oil pressure of conducting waste discharge oil pressure oil pocket (c) oil interface (g) and conducting waste suction oil pressure oil pocket (b), the waste oil chamber (a) of fluid-operated piston pump (8) is by waste discharge oil interface (d) with to one-way valve (10) the one-way conduction waste oil collecting pipe (9) of waste oil collecting pipe (9) oil extraction, the waste oil chamber (a) of fluid-operated piston pump (8) is through portalling the waste oil that arranges on oily interface (f) one-way conduction of its waste suction that the sucks waste oil friction pair, its waste discharge oil pressure oil interface (g) and waste suction oil pressure oil interface (e) are connected on respectively on waste discharge oil control oil pipe (6) and the waste suction oil control oil pipe (7), described waste oil collecting pipe (9) access set waste oil container (5).
2. centralized lubrication grease recovery system according to claim 1, it is characterized in that: described fluid-operated piston pump (8) comprise a housing with the single order step hole (11) and with two sector holes of this step hole ladder piston (12) of cooperating of slipper seal all, form waste oil chamber (a) between the aperture end face of the small end face of ladder piston (12) and housing (11), form waste discharge oil pressure oil pocket (c) between the large hole end surface of the large end face of ladder piston (12) and housing (11), form waste suction oil pressure oil pocket (b) between the shoulder in the middle of two sector holes of the shaft shoulder of the centre of ladder piston (12) and housing (11).
3. centralized lubrication grease recovery system according to claim 1, it is characterized in that: described fluid-operated piston pump (8) comprises reciprocating pump and two-way cylinder, reciprocating pump comprises the piston that the piston pump housing and chamber slipper seal within it cooperate, the piston pump housing and piston one end form the waste oil chamber, the two-way cylinder two ends are respectively equipped with waste discharge oil pressure oil pocket and waste suction oil pressure oil pocket, two-way cylinder one end is provided with guide hole, the cylinder rod of two-way cylinder stretches out from guide hole, cylinder rod cooperates with the guide hole slipper seal, reciprocating pump is fixedly connected with along axis with two-way cylinder, and the cylinder rod external part is linked together along axis and the piston the other end.
4. centralized lubrication grease recovery system according to claim 1, it is characterized in that: described fluid-operated piston pump (8) comprises reciprocating pump and two-way cylinder, reciprocating pump comprises the piston pump housing, piston and return spring that chamber slipper seal within it cooperates, the piston pump housing and piston one end form the waste oil chamber, return spring leans between the piston pump housing and piston, the two-way cylinder two ends are respectively equipped with waste discharge oil pressure oil pocket and waste suction oil pressure oil pocket, two-way cylinder one end is provided with guide hole, the cylinder rod of two-way cylinder stretches out from guide hole, cylinder rod cooperates with the guide hole slipper seal, reciprocating pump is fixedly connected with along axis with two-way cylinder, and the cylinder rod external part leans at the piston the other end along axis.
5. centralized lubrication grease recovery system according to claim 1, it is characterized in that: described collection waste oil container (5) comprises a cylinder (14) that two ends are with cover, the large piston (13) that cooperates with the inner chamber slipper seal of cylinder (14), be used for promoting the mobile push rod (15) of large piston (13), form sealing collection waste oil chamber (k) between the inner chamber upper end cap of cylinder (14) and the large piston (13), the upper end cap of cylinder (14) is provided with the turnover oil interface (h) be used to be tightly connected waste oil collecting pipe (9) and discharging waste oil, the lower end cap of cylinder (14) is provided with the guide hole (m) along the inner chamber axial direction of cylinder (14), push rod (15) one ends stretch into interior piston one side of cylinder (14) by guide hole (m), and the other end stretches out outside the guide hole (m).
6. centralized lubrication grease recovery system according to claim 5, it is characterized in that: the inner chamber axial direction along cylinder (14) between the large piston (13) in described cylinder (14) and the lower end cap is provided with large piston supported spring.
7. centralized lubrication grease recovery system according to claim 1 is characterized in that: described fluid-operated piston pump (8) is connected to the indicating arm of indication waste oil chamber (a) volume-variation limit position.
8. centralized lubrication grease recovery system according to claim 1 is characterized in that: described fluid-operated piston pump (8) is connected to the automatically controlled sensor of indication waste oil chamber (a) volume-variation limit position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312380 CN102313126B (en) | 2011-10-17 | 2011-10-17 | Integrated lubricating grease recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312380 CN102313126B (en) | 2011-10-17 | 2011-10-17 | Integrated lubricating grease recovery system |
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| Publication Number | Publication Date |
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| CN102313126A CN102313126A (en) | 2012-01-11 |
| CN102313126B true CN102313126B (en) | 2013-04-10 |
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| CN 201110312380 Active CN102313126B (en) | 2011-10-17 | 2011-10-17 | Integrated lubricating grease recovery system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006282A (en) * | 2014-05-27 | 2014-08-27 | 郑州奥特科技有限公司 | Two-way control grease absorber and waste grease recovery device |
| CN105092150B (en) * | 2015-06-08 | 2018-05-04 | 江苏方天电力技术有限公司 | A kind of fast-connecting type greasy dirt separation interface device of pressure-detecting device |
| CN107701901A (en) * | 2017-09-29 | 2018-02-16 | 郑州奥特科技有限公司 | Grease lubricating bearing system |
| CN109707982B (en) | 2017-10-25 | 2024-04-02 | 郑州奥特科技有限公司 | Grease pumping device |
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| CN2695764Y (en) * | 2004-05-14 | 2005-04-27 | 潘志岭 | Mechanically-driven pump group integral oil spray closed lubrication system |
| CN200952629Y (en) * | 2006-08-18 | 2007-09-26 | 北京京诚之星科技开发有限公司 | Multiroll mill back support roller back liner bearing lubricating device |
| CN101811372A (en) * | 2010-04-16 | 2010-08-25 | 武汉新威奇科技有限公司 | Lubrication protection and recovery system of electric screw press |
| CN202281023U (en) * | 2011-10-17 | 2012-06-20 | 赵大平 | Centralized lubrication grease recovery system |
-
2011
- 2011-10-17 CN CN 201110312380 patent/CN102313126B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695764Y (en) * | 2004-05-14 | 2005-04-27 | 潘志岭 | Mechanically-driven pump group integral oil spray closed lubrication system |
| CN200952629Y (en) * | 2006-08-18 | 2007-09-26 | 北京京诚之星科技开发有限公司 | Multiroll mill back support roller back liner bearing lubricating device |
| CN101811372A (en) * | 2010-04-16 | 2010-08-25 | 武汉新威奇科技有限公司 | Lubrication protection and recovery system of electric screw press |
| CN202281023U (en) * | 2011-10-17 | 2012-06-20 | 赵大平 | Centralized lubrication grease recovery system |
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Application publication date: 20120111 Assignee: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. Assignor: Zhao Daping Contract record no.: 2013410000054 Denomination of invention: Integrated lubricating grease recovery system Granted publication date: 20130410 License type: Exclusive License Record date: 20130621 |
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Effective date of registration: 20230330 Address after: 450001 No. 35, Jinsuo Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee after: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. Address before: 450001 Zhengzhou Aote Technology Co., Ltd. at the intersection of Hehuan Street and Lamei Road, High-tech Zone, Zhengzhou City, Henan Province Patentee before: Zhao Daping |
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Address after: No.450001, Hehuan street, Zhengzhou City, Henan Province Patentee after: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. Address before: 450001 No. 35, Jinsuo Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU AUTOL TECHNOLOGY Co.,Ltd. |