CN207795746U - A kind of hydraulic cooling device - Google Patents
A kind of hydraulic cooling device Download PDFInfo
- Publication number
- CN207795746U CN207795746U CN201721723244.8U CN201721723244U CN207795746U CN 207795746 U CN207795746 U CN 207795746U CN 201721723244 U CN201721723244 U CN 201721723244U CN 207795746 U CN207795746 U CN 207795746U
- Authority
- CN
- China
- Prior art keywords
- air cooler
- cooling device
- hole
- hydraulic
- transmission shaft
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000017525 heat dissipation Effects 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 31
- 238000010586 diagram Methods 0.000 description 5
- 239000010729 system oil Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model is related to a kind of hydraulic cooling devices, including double end motor, double end motor one end connects hydraulic pump by first shaft coupling, and the other end connects Air cooler by second shaft coupling, Air cooler connection oil pipeline one end, the other end of the oil pipeline connect hydraulic pump.The utility model has the advantages that the utility model by using double end motor, drives Air cooler operation, without giving Air cooler separately adaptation of motor, reduce hydraulic system cost while driving hydraulic pump；The fan assembly of Air cooler uses new structure, operates steadily, cooling air quantity is abundant, and compact-sized, occupies little space.
Description
Technical field
The utility model is related to a kind of device to hydraulic oil cooling, specially a kind of hydraulic cooling devices.
Background technology
Since there are the friction loss of fluid and local pressure loss and elements in hydraulic system processing
Mechanical friction loss etc. so that a part of hydraulic energy transfer is thermal energy, if the portion of energy, hydraulic system could not be discharged in time
To will produce corresponding Wen Sheng, and system temperature raising can cause the volumetric efficiency of system to reduce, fluid aoxidize it is too fast etc. no
Sharp phenomenon occurs, at this time, it may be necessary to access the present apparatus in systems to take away extra heat, to which system temperature is maintained at one
Determine in range.It is smaller in complete machine power, or loss energy it is less when, it is common practice in system oil return or hydraulic pump
A typhoon cold is sealed on drain line, which is driven by an individual motor, do so it is not only of high cost, but also make be
System is not compact enough, and occupied space is big.
The existing unauthorized Chinese patent document CN 104100605A that announced disclose a kind of hydraulic cooling device, master
Solve the problems, such as be：Heat exchange pipe is located at the inside of hydraulic press, must its assembling and maintenance/dimension in terms of hydraulic oil cooling device
Repair difficulty.It is solved the problems, such as from the utility model different.
Utility model content
The purpose of this utility model is to solve the above problems, and provides a kind of hydraulic cooling device, can reduce hydraulic system
Cost, and it is compact-sized, it occupies little space.
To achieve the above object, the utility model provides the following technical solutions：
A kind of hydraulic cooling device, including double end motor, double end motor one end connect hydraulic pressure by first shaft coupling
Pump, the other end connect Air cooler by second shaft coupling, Air cooler connection oil pipeline one end, the oil pipeline it is another
One end connects hydraulic pump.
Wherein, the Air cooler includes shell and bottom plate, and the case top both sides are equipped with oil inlet and oil outlet, described
If the vertical direction that enclosure interior and oil inlet, oil outlet communicate position is equipped with the parallel heat dissipation cored slab of dried layer.
Wherein, fan assembly, the fan assembly blowing side are equipped with heat dissipation cored slab adjacent inside the Air cooler
To with fluid heat dissipation cored slab internal flow direction it is vertical, the fan assembly includes transmission shaft, is installed on the transmission shaft
There are impeller, impeller radial circumference direction to be evenly equipped with several blades, the transmission shaft rear and front end is equipped with rolling bearing, the rolling
Dynamic bearing is fixed by its corresponding bearing block respectively, and the bearing block is fixedly connected with the casing.
Wherein, the transmission shaft is stretched out far from heat dissipation cored slab one end outside shell, and opens up key in the end part of driving shaft
Slot；On the housing, the transmission shaft extended position is equipped with protective cover.
Wherein, the bearing block includes from top to bottom support ring, support plate and pedestal base, is provided in the support plate
First through hole.
Further, the Air cooler can be fixed by bottom bolts, or pass through pair of peripheral hardware bell-jar and flanged disk
Head motor rigid connection realizes that it is fixed.
Further, the bell-jar includes cover cylinder, and the cover barrel dliameter is provided with third through-hole upwards, the bell-jar with
The second through-hole is provided on the contact surface of Air cooler.
As a kind of optimal technical scheme of the utility model, the Air cooler bottom symmetrical is equipped with mounting base, described
Installation mounting hole is provided on mounting base.
As a kind of optimal technical scheme of the utility model, the aperture of second through-hole is 100mm~200mm, institute
It states third through-hole and is at least 1, aperture is not less than 40mm.
As a kind of optimal technical scheme of the utility model, the installation mounting hole is straight trough hole.
As a kind of optimal technical scheme of the utility model, the blade is 3-5.
As a kind of optimal technical scheme of the utility model, the first through hole is Openworks shape.
The beneficial effects of the utility model are：
The hydraulic cooling device of the utility model, Air cooler coming oil can be directly from the drain taps of hydraulic pump, can also
As independent loops cooling device from the oil outlet of hydraulic pump, also or hydraulic system oil return is come from；First through hole is in engrave
Empty shape to mitigate weight, and can reduce the influence to fan airstream channel；Second through-hole aperture is 100mm~200mm,
Ensure transmission shaft can by while, enough air duct latus rectums are also provided for the present apparatus；By the motor-driven fan dress of double end
It sets to the blowing of heat dissipation cored slab or air draught, airflow direction is vertical in heat dissipation cored slab internal flow direction with fluid, improves scattered
The thermal efficiency；The utility model drives Air cooler operation, without giving by using double end motor while driving hydraulic pump
Air cooler separately adaptation of motor reduces hydraulic system cost；The fan assembly of Air cooler uses new structure, operates steadily, cold
But air quantity is abundant, and compact-sized, occupies little space.
Description of the drawings
It is required in being described below to embodiment to make in order to illustrate more clearly of the utility model embodiment technical solution
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model in order to more clearly
Illustrate the utility model embodiment or technical solution in the prior art, for those of ordinary skill in the art, is not paying
Under the premise of going out creative work, other drawings may also be obtained based on these drawings.
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is that the fixation of Air cooler bottom bolts connects pump draining cooling schematic diagram；
Fig. 3 is that the fixation of Air cooler bell-jar connects pump draining cooling schematic diagram；
Fig. 4 is Air cooler stereogram；
Fig. 5 is Air cooler front view；
Fig. 6 is the Air cooler AA sectional views of Fig. 5；
Fig. 7 is Air cooler vertical view；
Fig. 8 is bell-jar structural schematic diagram；
Fig. 9 is bearing block structure schematic diagram.
Specific implementation mode
A kind of hydraulic cooling device as shown in Figs. 1-3, including double end motor 1, described 1 one end of double end motor pass through first
Shaft coupling 2 connects hydraulic pump 3, and the other end connects Air cooler 5 by second shaft coupling 4, and the Air cooler 5 connects oil pipeline 6
The other end of one end, the oil pipeline 6 connects hydraulic pump 3.
As shown in figs. 4-7, the Air cooler 5 includes shell 51 and bottom plate 54, and 51 top both sides of the shell are equipped with oil inlet
Mouth 56 and oil outlet 57, if the vertical direction that 51 inside of the shell communicates position with oil inlet 56, oil outlet 57 is equipped with dried layer
Parallel heat dissipation cored slab 52；5 inside of the Air cooler is equipped with fan assembly 55, the fan with heat dissipation 52 adjacent of cored slab
55 blowing direction of device is vertical in heat dissipation 52 internal flow direction of cored slab with fluid, and the fan assembly 55 includes transmission shaft
553, impeller 551 is installed on the transmission shaft 553,551 radial circumference direction of impeller is evenly equipped with several blades 555, the biography
553 rear and front end of moving axis is equipped with rolling bearing 552, and the rolling bearing 552 is consolidated by its corresponding bearing block 554 respectively
Fixed, the bearing block 554 is fixedly connected with shell 51；The transmission shaft 553 stretches out shell 51 far from 52 one end of heat dissipation cored slab
Outside, and in 553 end of the transmission shaft keyway 5531 is opened up；On the shell 51,553 extended position of the transmission shaft is equipped with
Protective cover 53.
As shown in figure 9, the bearing block 554 includes from top to bottom support ring 5541, support plate 5542 and pedestal base
5543, first through hole 5544 is provided in the support plate 5542.
Further, the Air cooler 5 can be fixed by bottom bolts, or pass through peripheral hardware bell-jar 7 and flanged disk 8
The rigid connection of double end motor 1 realizes that it is fixed.
As shown in figure 8, the bell-jar 7 includes cover cylinder 71, the cover cylinder 71 is radially provided with third through-hole 73, described
Bell-jar 7 is provided with the second through-hole 72 on the contact surface of Air cooler 5.
5 coming oil of Air cooler can also be used as independent loops cooling directly from the drain tap of hydraulic pump 3
Device and from the oil outlet of hydraulic pump 3 57, also or come from hydraulic system oil return；
As a kind of optimal technical scheme of the utility model, 5 bottom symmetrical of the Air cooler is equipped with mounting base 58, institute
It states and is provided with installation mounting hole 581 on mounting base 58.
As a kind of optimal technical scheme of the utility model, the aperture of second through-hole 72 is 100mm~200mm,
Ensure transmission shaft 553 can by while, enough air duct latus rectums are also provided for the present apparatus；The third through-hole 73 is at least
1, aperture is not less than 40mm, this hole is as air inlet or air outlet.
As a kind of optimal technical scheme of the utility model, the installation mounting hole 581 is straight trough hole.
As a kind of optimal technical scheme of the utility model, the blade 555 is 3-5, and quantity is preferably odd number.
As a kind of optimal technical scheme of the utility model, the first through hole 5544 is Openworks shape, to mitigate weight
Amount, and the influence to fan airstream channel can be reduced.
The present apparatus is installed and operational process：
In hydraulic system processing, a kind of applying working condition：It is by oil pipeline 6 that the fluid of 3 drain tap of hydraulic pump is straight
The oil inlet 56 for introducing the present apparatus is connect, fluid returns to system by present apparatus oil outlet 57 after cooling；Second of applying working condition：Make
For independent loops cooling device, the fluid of 3 drain tap of hydraulic pump is introduced directly into the oil inlet of the present apparatus by oil pipeline 6
56, fluid returns to system by present apparatus oil outlet 57 after cooling；The third applying working condition：System is returned by oil pipeline 6
Oil is introduced directly into the oil inlet 56 of the present apparatus, and fluid returns to system by present apparatus oil outlet 57 after cooling；
Three of the above operating mode, fluid from present apparatus oil inlet 56 entrance after, flow through up and down it is disposed in parallel respectively radiate it is hollow
After plate 52, the oil outlet 57 of the present apparatus is converged to, enters the oil return filter of system by oil pipeline 6 by present apparatus oil outlet 57
Device is directly entered fuel tank；From the fan assembly 55 that double end motor 1 drives to heat dissipation cored slab 52 blowing or air draught, airflow direction
It is vertical in heat dissipation 52 internal flow direction of cored slab with fluid, improve radiating efficiency；The impeller 551 of fan assembly 55 is mounted on
It being rotated together with transmission shaft 553 on its transmission shaft 553, transmission shaft 553 is supported by the rolling bearing 552 being arranged at its both ends,
And it by the way that keyway 5531 and the formation cooperation of second shaft coupling 4 in its external part is arranged, is driven and is rotated by double end motor 1；Two rollings
Dynamic bearing 552 is then rigidly fixed by the bearing block 554 being correspondingly arranged, and the bearing block 554 includes support ring 5541, support plate
5542 and pedestal base 5543,5541 inner ring of support ring is tight fit with 552 outer ring of rolling bearing, is provided in support plate 5542
Quantity is no less than 1 first through hole 5544, is in Openworks shape, pedestal base 5543 is connected through a screw thread or welding manner is solid
It is scheduled in Air cooler shell 51.
Under above-described three kinds of operating modes, the installation of Air cooler 5 can be with bolt by being arranged on its bottom plate
Installation mounting hole 581 is fixed on external frame body；It can also be fixed on double end motor 1 using bell-jar 7, at this time
Double end motor 1 need to be the mounting flange 8 for passing through bolt and double end motor 1 with 8 form of mounting flange, 7 one end of bell-jar
Connection, the other end are connect by bolt with Air cooler 5, offer the second through-hole 72 on bell-jar 7 on the face opposite with the present apparatus,
Through-hole diameter is 100mm~200mm, ensure transmission shaft 553 can by while, it is logical also to provide enough air ducts for the present apparatus
Diameter；Bell-jar 7 offers the third through-hole 73 that quantity is no less than 1 in 71 radial direction of cover cylinder, and aperture is not less than 40mm, this hole
As air inlet or air outlet.
From the fan assembly 55 that double end motor 1 drives to the blowing of heat dissipation cored slab or air draught, airflow direction is being dissipated with fluid
52 internal flow direction of hot cored slab is vertical, improves radiating efficiency；The utility model is being driven by using double end motor 1
It drives Air cooler 5 to run while hydraulic pump 3, without giving the separately adaptation of motor of Air cooler 5, reduces hydraulic system cost；
The fan assembly 55 of Air cooler 5 uses new structure, operates steadily, cooling air quantity is abundant, and compact-sized, occupied space
It is small.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of hydraulic cooling device, which is characterized in that including double end motor (1), described double end motor (1) one end passes through first
Shaft coupling (2) connects hydraulic pump (3), and the other end connects Air cooler (5), Air cooler (5) connection by second shaft coupling (4)
Oil pipeline (6) one end, the other end connection hydraulic pump (3) of the oil pipeline (6)；
The Air cooler (5) includes shell (51) and bottom plate (54), at the top of the shell (51) both sides be equipped with oil inlet (56) and
Oil outlet (57), the internal vertical direction that position is communicated with oil inlet (56), oil outlet (57) of the shell (51) are equipped with several
The parallel heat dissipation cored slab (52) of layer；
The Air cooler (5) is internal to be equipped with fan assembly (55), the fan assembly (55) with heat dissipation cored slab (52) adjacent
Blowing direction is vertical in heat dissipation cored slab (52) internal flow direction with fluid, and the fan assembly (55) includes transmission shaft
(553), impeller (551) is installed, impeller (551) radial circumference direction is evenly distributed with several blades on the transmission shaft (553)
(555), transmission shaft (553) rear and front end is equipped with rolling bearing (552), and the rolling bearing (552) is right by its respectively
The bearing block (554) answered is fixed, and the bearing block (554) is fixedly connected with shell (51)；
The transmission shaft (553) stretches out shell (51) outside far from heat dissipation cored slab (52) one end, and is held in the transmission shaft (553)
Portion opens up keyway (5531)；On the shell (51), transmission shaft (553) extended position is equipped with protective cover (53)；
The bearing block (554) includes from top to bottom support ring (5541), support plate (5542) and pedestal base (5543), institute
It states and is provided with first through hole (5544) in support plate (5542).
2. a kind of hydraulic cooling device according to claim 1, which is characterized in that the Air cooler (5) can pass through bottom
Bolt is fixed, or realizes that it is fixed by peripheral hardware bell-jar (7) and double end motor (1) rigid connection of flanged disk (8).
3. a kind of hydraulic cooling device according to claim 2, which is characterized in that the bell-jar (7) includes cover cylinder
(71), the cover cylinder (71) is radially provided with third through-hole (73), on the contact surface of the bell-jar (7) and Air cooler (5)
It is provided with the second through-hole (72).
4. a kind of hydraulic cooling device according to claim 1, which is characterized in that Air cooler (5) bottom symmetrical is set
There is mounting base (58), installation mounting hole (581) is provided on the mounting base (58).
5. a kind of hydraulic cooling device according to claim 3, which is characterized in that the aperture of second through-hole (72) is
100mm~200mm, the third through-hole (73) are at least 1, and aperture is not less than 40mm.
6. a kind of hydraulic cooling device according to claim 4, which is characterized in that the installation mounting hole (581) is straight
Slot.
7. a kind of hydraulic cooling device according to claim 1, which is characterized in that the blade (555) is 3-5.
8. a kind of hydraulic cooling device according to any one of claims 1 to 7, which is characterized in that the first through hole
(5544) it is Openworks shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723244.8U CN207795746U (en) | 2017-12-12 | 2017-12-12 | A kind of hydraulic cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723244.8U CN207795746U (en) | 2017-12-12 | 2017-12-12 | A kind of hydraulic cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795746U true CN207795746U (en) | 2018-08-31 |
Family
ID=63283770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721723244.8U Active CN207795746U (en) | 2017-12-12 | 2017-12-12 | A kind of hydraulic cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006018A (en) * | 2017-12-12 | 2018-05-08 | 陕西德立机电科技有限公司 | A kind of hydraulic cooling device |
-
2017
- 2017-12-12 CN CN201721723244.8U patent/CN207795746U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006018A (en) * | 2017-12-12 | 2018-05-08 | 陕西德立机电科技有限公司 | A kind of hydraulic cooling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108006018A (en) | A kind of hydraulic cooling device | |
| CN103175420B (en) | Core rotation type shell-and-tube heat exchanger | |
| CN207795746U (en) | A kind of hydraulic cooling device | |
| CN209376126U (en) | A kind of novel water-cooling shell | |
| WO2022166226A1 (en) | Phase-change cooling type permanent magnet direct-drive blower | |
| CN201974095U (en) | Sealing device for water evaporation and refrigeration tube heat exchanger | |
| CN207939885U (en) | A kind of moisture-proof computer cabinet of multi-function dust-proof | |
| CN211879186U (en) | Oil-immersed transformer oil tank | |
| CN207363960U (en) | High temperature magnetic drive pump | |
| CN202468556U (en) | Oil temperature cooling device for pressure die-casting machine | |
| CN212380257U (en) | Anti-blocking sand-discharging type oil-water cooling device | |
| CN209680804U (en) | A kind of Aluminium Sheet Casts Rolling Mill roll cooling back installation | |
| CN211737826U (en) | Liquid turbine retarder with heat dissipation function | |
| CN200993547Y (en) | Baffle plate with special hole | |
| CN206972479U (en) | A kind of air compressor | |
| CN111829369A (en) | Energy-saving environment-friendly radiator | |
| CN202070277U (en) | Air-cooled water knockout drum | |
| CN207377646U (en) | A kind of combined IC engine cooler | |
| CN102179141B (en) | Air cooling water separator | |
| CN111351194A (en) | Water cooling unit | |
| CN212752046U (en) | Side circulation wind power air-to-air cooler | |
| CN220581661U (en) | Novel air cooler | |
| CN212627459U (en) | Heat dissipation device of disc type permanent magnet direct drive motor | |
| CN220435103U (en) | Magnetic drive pump radiator | |
| CN217282498U (en) | Water jacket cooling structure of high-power-level offshore wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hydraulic cooling device Effective date of registration: 20190822 Granted publication date: 20180831 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2019990000115 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201106 Granted publication date: 20180831 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2019990000115 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic cooling device Effective date of registration: 20210128 Granted publication date: 20180831 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021990000118 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211025 Granted publication date: 20180831 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021990000118 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic cooling device Effective date of registration: 20211109 Granted publication date: 20180831 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021610000314 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231009 Granted publication date: 20180831 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021610000314 |