CN109026763A - Cooling tower exempts from electric fan - Google Patents
Cooling tower exempts from electric fan Download PDFInfo
- Publication number
- CN109026763A CN109026763A CN201810771488.6A CN201810771488A CN109026763A CN 109026763 A CN109026763 A CN 109026763A CN 201810771488 A CN201810771488 A CN 201810771488A CN 109026763 A CN109026763 A CN 109026763A
- Authority
- CN
- China
- Prior art keywords
- slot
- groove
- sliding
- fixture block
- spring
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses cooling towers to exempt from electric fan, including tower body, the hydraulic turbine and fan blade, the hydraulic turbine is set in tower body, the output shaft of the hydraulic turbine is connected with fixed block, fixed block opens up fluted far from the side of output shaft, the convex block to match with groove is inserted in groove, side of the convex block far from groove slot bottom is fixedly connected with the rotation axis of fan blade, card slot is symmetrically offered in the two sides phase back side wall of convex block, the inner sidewall of groove, which corresponds to, offers sliding groove at the position of card slot, the slot bottom of sliding groove is fixedly connected with the first spring, the other end of first spring is fixedly connected with the trapezoidal fixture block to match with sliding groove, and trapezoidal fixture block is slidably connected with sliding groove, trapezoidal fixture block passes through the notch of sliding groove far from one end of the first spring and extends in corresponding card slot, and trapezoidal fixture block matches with card slot.It is more convenient that the invention enables the dismounting of fan blade, and then facilitates the replacement of fan blade.
Description
Technical field
The present invention relates to heat exchange equipment technologies more particularly to cooling tower to exempt from electric fan.
Background technique
The main function of cooling tower is that the cooling water for carrying waste heat is carried out heat exchange inside tower body, is transferred to waste heat
Air is simultaneously spilt into atmosphere.The characteristics of counterflow cooling tower is that water flow is vertically fallen in tower, airflow direction and water (flow) direction phase
Instead.
Through retrieving, Chinese patent grant number is the patent of CN207365742U, and disclosing a kind of streaming glass reinforced plastic, to exempt from electricity cold
But tower, including round tower body, water inlet pipe, the hydraulic turbine, fan blade, water distributor, air inlet and packing layer, water inlet pipe and water wheels
The water inlet of machine connects, and the water outlet of water distributor and the hydraulic turbine connects, and the output shaft of the hydraulic turbine is connect with fan blade, packing layer
Set on the lower section of the hydraulic turbine, the packing layer arced configuration low in intermediate high surrounding, the inner sidewall of tower body is equipped with helicla flute, the spiral shell
Spin slot is located at the lower section of packing layer, and air inlet is tangentially set on tower body.Streaming glass reinforced plastic in above-mentioned patent is exempted from electric cooling tower and is deposited
In following deficiency: fan blade is chronically exposed to outer, is easy burn into occurs because of rainwater to get rusty, fan blade needs to carry out
When replacement, dismounting is inconvenient, time-consuming and laborious.
Summary of the invention
The purpose of the present invention is to solve streaming glass reinforced plastics in the prior art to exempt from the fan blade dismounting of electric cooling tower not
Just, time-consuming and laborious problem, and the cooling tower proposed exempts from electric fan.
To achieve the goals above, present invention employs following technical solutions:
Cooling tower exempts from electric fan, including tower body, the hydraulic turbine and fan blade, and the hydraulic turbine is set in tower body, the water
The output shaft of turbine is connected with fixed block, and the fixed block opens up fluted far from the side of output shaft, plugs in the groove
There is the convex block to match with groove, side of the convex block far from groove slot bottom is fixedly connected with the rotation axis of fan blade, institute
It states and symmetrically offers card slot in the two sides phase back side wall of convex block, the inner sidewall of the groove, which corresponds to, offers cunning at the position of card slot
Dynamic slot, the slot bottom of the sliding groove are fixedly connected with the first spring, and the other end of first spring is fixedly connected with and slides
The trapezoidal fixture block that slot matches, and trapezoidal fixture block is slidably connected with sliding groove, the described one end of trapezoidal fixture block far from the first spring
Across sliding groove notch and extend in corresponding card slot, and trapezoidal fixture block matches with card slot, and the trapezoidal fixture block is close
The side of sliding groove slot bottom is fixedly connected with slide bar, and the slot bottom of the sliding groove corresponds to be offered and slide bar phase at the position of slide bar
Matched slide opening, the slide bar sequentially pass through the first spring and slide opening far from one end of trapezoidal fixture block and extend to outside sliding groove
Side, and slide bar is slidably connected with slide opening.
Preferably, it is opened up on the inner wall of the slide opening there are two symmetrical sliding slot, it is fixed on the lateral wall of the slide bar
There are two the sliding blocks to match with sliding slot for connection, and sliding block is slidably connected with corresponding sliding slot, and the sliding block is close to sliding slot slot bottom
Side offer limiting slot, the slot bottom of the limiting slot is fixedly connected with second spring, and the other end of the second spring is solid
Surely it is connected with the arc bump to match with limiting slot, and arc bump is slidably connected with limiting slot, the slot bottom of the sliding slot is remote
From offering the arc groove to match with arc bump at the position of arc bump.
Preferably, the slide bar is fixedly connected with handle far from one end of trapezoidal fixture block.
Preferably, the convex block is arranged with non-slip mat on the side wall of groove slot bottom.
Preferably, the slot bottom of the arc groove is connected with rubber pad.
Preferably, anti-skid chequer is offered on the lateral wall of the fan blade rotation axis.
Compared with prior art, the present invention provides cooling towers to exempt from electric fan, have it is following the utility model has the advantages that
1, the cooling tower exempts from electric fan, by the way that the hydraulic turbine, fan blade, fixed block, groove, convex block, card slot, sliding is arranged
Convex block in fan blade rotation axis, is corresponded to the groove location of fixed block, pressed by slot, the first spring, trapezoidal fixture block and slide bar
The rotation axis of fan blade slides convex block towards the slot bottom direction of groove, extruding of the trapezoidal fixture block by convex block, thus towards
The slot bottom direction of sliding groove is slided, and squeezing the first spring will be trapezoidal by the first spring when the slot bottom of convex block and groove offsets
Fixture block, which is sprung into, completes clamping in corresponding card slot, the installation between fan blade and hydraulic turbine output shaft can be rapidly completed, draw
Moving slide-bar slides trapezoidal fixture block towards the slot bottom direction of sliding groove, compresses the first spring, when trapezoidal fixture block and card slot are detached from
When, quickly fan blade can be disassembled from hydraulic turbine output shaft, so that the dismounting of fan blade is more convenient, Jin Erfang
Fan blade replacement.
2, the cooling tower exempts from electric fan, by the way that slide bar, trapezoidal fixture block, the first spring, card slot, sliding slot, sliding block, limit is arranged
Slot, second spring, arc bump and arc groove, when sliding bar, band movable slider is slided along sliding slot, when trapezoidal fixture block and card
When slot is detached from, the side wall of sliding block and sliding slot offsets, and is sprung into the arc bump in limiting slot in arc groove by second spring
Clamping is completed, because arc bump and arc groove are clamped, slide bar will not be slided with slide opening, so that fan blade
More convenient, promotion slide bar is dismantled, arc bump is under the action of arc groove, compression second spring, when arc bump and arc
When connected in star is detached from, by the first spring trapezoidal fixture block is automatically reset.
Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art, the invention enables
The dismounting of fan blade is more convenient, and then facilitates the replacement of fan blade.
Motor power is from shaft power；And the cooling tower exempts from electric fan, and carrys out axis caused by self-circulating water potential energy
Power includes stream power and hydraulic pressure power sum of the two.In general, water pump is linearly that unused lift can all be converted into water flow
Amount, therefore it is potential for recycling water potential energy, but be not easy to be found, it can but substitute into the hydraulic turbine water flow section area of different size
It calculates and obtains.Flow velocity is calculated by potential energy inverse operator and Bernoulli equation, it is well-designed, customized, with minimum consume by water
Potential energy is fully converted to mechanical energy.The shaft power caused by the potential water potential energy is not less than the shaft power of motor, the cooling tower
Exempt from electric fan and have the kinetic energy condition for replacing motor acting, exempts from electricity completely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that cooling tower proposed by the present invention exempts from electric fan；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 2.
In figure: 1 tower body, 2 hydraulic turbines, 3 fan blades, 4 fixed blocks, 5 grooves, 6 convex blocks, 7 card slots, 8 sliding grooves, 9 first
Spring, 10 trapezoidal fixture blocks, 11 slide bars, 12 sliding slots, 13 sliding blocks, 14 limiting slots, 15 second springs, 16 arc bumps, 17 arcs are recessed
Slot, 18 handles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, cooling tower exempts from electric fan, including tower body 1, the hydraulic turbine 2 and fan blade 3, and the hydraulic turbine 2 is set to tower body
In 1, the output shaft of the hydraulic turbine 2 is connected with fixed block 4, and fixed block 4 opens up fluted 5 far from the side of output shaft, 5 interpolation of groove
Equipped with the convex block 6 to match with groove 5, convex block 6 is fixedly connected far from the side of 5 slot bottom of groove with the rotation axis of fan blade 3,
Symmetrically offer card slot 7 in the two sides phase back side wall of convex block 6, the inner sidewall of groove 5 corresponds to and offers sliding at the position of card slot 7
Slot 8, the slot bottom of sliding groove 8 are fixedly connected with the first spring 9, and the other end of the first spring 9 is fixedly connected with and 8 phase of sliding groove
The trapezoidal fixture block 10 matched, and trapezoidal fixture block 10 is slidably connected with sliding groove 8, trapezoidal fixture block 10 is worn far from one end of the first spring 9
It crosses the notch of sliding groove 8 and extends in corresponding card slot 7, and trapezoidal fixture block 10 matches with card slot 7, trapezoidal fixture block 10 is close
The side of 8 slot bottom of sliding groove is fixedly connected with slide bar 11, and the slot bottom of sliding groove 8 corresponds to be offered and slide bar at the position of slide bar 11
11 slide openings to match, slide bar 11 sequentially pass through the first spring 9 and slide opening far from one end of trapezoidal fixture block 10 and extend to sliding
8 outside of slot, and slide bar 11 is slidably connected with slide opening, by groove 5 of the corresponding fixed block 4 of convex block 6 in 3 rotation axis of fan blade
It sets, presses the rotation axis of fan blade 3, slide convex block 6 towards the slot bottom direction of groove 5, trapezoidal fixture block 10 is by convex block 6
It squeezes, to slide towards the slot bottom direction of sliding groove 8, squeezes the first spring 9, when the slot bottom of convex block 6 and groove 5 offsets,
Trapezoidal fixture block 10 is sprung by the first spring 9 and completes to be clamped in corresponding card slot 7, fan blade 3 and water can be rapidly completed
Installation between 2 output shaft of turbine pulls slide bar 11, slides trapezoidal fixture block 10 towards the slot bottom direction of sliding groove 8, compression the
One spring 9, when trapezoidal fixture block 10 is detached from card slot 7, under can quickly dismantling fan blade 3 from 2 output shaft of the hydraulic turbine
Come, so that the dismounting of fan blade 3 is more convenient, and then facilitates the replacement of fan blade 3.
Opened up on the inner wall of slide opening there are two symmetrical sliding slot 12, be fixedly connected on the lateral wall of slide bar 11 there are two with
The sliding block 13 that sliding slot 12 matches, and sliding block 13 is slidably connected with corresponding sliding slot 12, sliding block 13 close to 12 slot bottom of sliding slot one
Side offers limiting slot 14, and the slot bottom of limiting slot 14 is fixedly connected with second spring 15, and the other end of second spring 15 is fixed to be connected
It is connected to the arc bump 16 to match with limiting slot 14, and arc bump 16 is slidably connected with limiting slot 14, the slot bottom of sliding slot 12
The arc groove 17 to match with arc bump 16 is offered at position far from arc bump 16, when slide bar 11 slides, is driven
Sliding block 13 is slided along sliding slot 12, and when trapezoidal fixture block 10 is detached from card slot 7, sliding block 13 and the side wall of sliding slot 12 offset, and pass through
Second spring 15, which springs into the arc bump 16 in limiting slot 14, to be completed to be clamped in arc groove 17, because of arc bump 16 and arc
Connected in star 17 is clamped, so slide bar 11 will not be slided with slide opening, so that the disassembly of fan blade 3 is more convenient, is pushed and is slided
Bar 11, arc bump 16 compress second spring 15 under the action of arc groove 17, when arc bump 16 and arc groove 17 are de-
From when, by the first spring 15 trapezoidal fixture block 10 is automatically reset.
Slide bar 11 is fixedly connected with handle 18 far from one end of trapezoidal fixture block 10, and control slide bar 11 is facilitated to move.
Convex block 6 is arranged with non-slip mat on the side wall of 5 slot bottom of groove, improves the stability that convex block 6 is connect with groove 5.
The slot bottom of arc groove 17 is connected with rubber pad, improves the stabilization being clamped between arc bump 16 and arc groove 17
Property.
Anti-skid chequer is offered on the lateral wall of 3 rotation axis of fan blade, avoids occurring to beat during dismounting fan blade 3
Sliding phenomenon.
In the present invention, by 5 position of groove of the corresponding fixed block 4 of convex block 6 in 3 rotation axis of fan blade, blower leaf is pressed
The rotation axis of piece 3 slides convex block 6 towards the slot bottom direction of groove 5, extruding of the trapezoidal fixture block 10 by convex block 6, thus towards
The slot bottom direction of sliding groove 8 is slided, and the first spring 9 is squeezed, and when the slot bottom of convex block 6 and groove 5 offsets, passes through the first spring 9
Trapezoidal fixture block 10 is sprung into and completes clamping in corresponding card slot 7, can be rapidly completed fan blade 3 and 2 output shaft of the hydraulic turbine it
Between installation, pull slide bar 11, make trapezoidal fixture block 10 towards sliding groove 8 slot bottom direction slide, compress the first spring 9, work as ladder
When shape fixture block 10 and card slot 7 are detached from, quickly fan blade 3 can be disassembled from 2 output shaft of the hydraulic turbine, so that blower leaf
The dismounting of piece 3 is more convenient, and then facilitates the replacement of fan blade 3, and when slide bar 11 slides, band movable slider 13 is sliding along sliding slot 12
Dynamic, when trapezoidal fixture block 10 is detached from card slot 7, sliding block 13 and the side wall of sliding slot 12 offset, by second spring 15 by limiting slot
Arc bump 16 in 14, which is sprung into, completes clamping in arc groove 17, because arc bump 16 and arc groove 17 are clamped,
Slide bar 11 will not be slided with slide opening, so that the disassembly of fan blade 3 is more convenient, push slide bar 11, arc bump 16 exists
Under the action of arc groove 17, second spring 15 is compressed, when arc bump 16 and the disengaging of arc groove 17, passes through the first spring
15 make trapezoidal fixture block 10 automatically reset.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. cooling tower exempts from electric fan, including tower body (1), the hydraulic turbine (2) and fan blade (3), which is characterized in that the hydraulic turbine
(2) it is set in tower body (1), the output shaft of the hydraulic turbine (2) is connected with fixed block (4), and the fixed block (4) is far from output shaft
Side open up fluted (5), the convex block (6) to match with groove (5) is inserted in the groove (5), the convex block (6) is remote
Side from groove (5) slot bottom is fixedly connected with the rotation axis of fan blade (3), in the two sides phase back side wall of the convex block (6)
It symmetrically offers card slot (7), the inner sidewall of the groove (5) corresponds to be offered sliding groove (8) at the positions of card slot (7), described
The slot bottom of sliding groove (8) is fixedly connected with the first spring (9), and the other end of first spring (9) is fixedly connected with and slides
The trapezoidal fixture block (10) that slot (8) matches, and trapezoidal fixture block (10) is slidably connected with sliding groove (8), the trapezoidal fixture block (10)
One end far from the first spring (9) passes through the notch of sliding groove (8) and extends in corresponding card slot (7), and trapezoidal fixture block
(10) match with card slot (7), the trapezoidal fixture block (10) is fixedly connected with slide bar close to the side of sliding groove (8) slot bottom
(11), the slot bottom of the sliding groove (8) corresponds to the slide opening for offering at the positions of slide bar (11) and matching with slide bar (11), described
Slide bar (11) sequentially passes through the first spring (9) and slide opening far from the one end of trapezoidal fixture block (10) and extends on the outside of sliding groove (8),
And slide bar (11) is slidably connected with slide opening.
2. cooling tower according to claim 1 exempts from electric fan, which is characterized in that there are two being opened up on the inner wall of the slide opening
Symmetrical sliding slot (12), is fixedly connected with that there are two the sliding blocks to match with sliding slot (12) on the lateral wall of the slide bar (11)
(13), and sliding block (13) is slidably connected with corresponding sliding slot (12), and the sliding block (13) is opened close to the side of sliding slot (12) slot bottom
Equipped with limiting slot (14), the slot bottom of the limiting slot (14) is fixedly connected with second spring (15), the second spring (15)
The other end is fixedly connected with the arc bump (16) to match with limiting slot (14), and arc bump (16) and limiting slot (14) are sliding
Dynamic connection offers at position of the slot bottom far from arc bump (16) of the sliding slot (12) and to match with arc bump (16)
Arc groove (17).
3. cooling tower according to claim 1 exempts from electric fan, which is characterized in that the slide bar (11) is far from trapezoidal fixture block
(10) one end is fixedly connected with handle (18).
4. cooling tower according to claim 1 exempts from electric fan, which is characterized in that the convex block (6) is close to groove (5) slot bottom
Side wall on be arranged with non-slip mat.
5. cooling tower according to claim 2 exempts from electric fan, which is characterized in that the slot bottom of the arc groove (17) connects
There is rubber pad.
6. cooling tower according to claim 1 exempts from electric fan, which is characterized in that outside fan blade (3) rotation axis
Anti-skid chequer is offered on side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771488.6A CN109026763A (en) | 2018-07-13 | 2018-07-13 | Cooling tower exempts from electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771488.6A CN109026763A (en) | 2018-07-13 | 2018-07-13 | Cooling tower exempts from electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026763A true CN109026763A (en) | 2018-12-18 |
Family
ID=64642256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771488.6A Pending CN109026763A (en) | 2018-07-13 | 2018-07-13 | Cooling tower exempts from electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526250A (en) * | 2022-02-09 | 2022-05-24 | 日照盈德气体有限公司 | Low-energy-consumption cooling tower fan and low-energy-consumption method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011122745A (en) * | 2009-12-08 | 2011-06-23 | Gyohai O | Double impeller power type cooling tower water turbine and cooling tower |
| CN204672527U (en) * | 2015-06-08 | 2015-09-30 | 莆田市荣兴机械有限公司 | A kind of protective coating device |
| CN207365742U (en) * | 2017-09-19 | 2018-05-15 | 溧阳市金土地节能科技有限公司 | A kind of reverse-flow fiberglass exempts from electric cooling tower |
| CN207456545U (en) * | 2017-12-07 | 2018-06-05 | 重庆众誉材工科技有限公司 | Character wheel box construction in liquid-sealing water meter |
| CN207507697U (en) * | 2017-11-07 | 2018-06-19 | 广西玉林实力钢建有限公司 | A kind of spraying equipment for color steel tile production and processing |
| CN207594623U (en) * | 2017-12-19 | 2018-07-10 | 上海同造欧式建筑科技股份有限公司 | A kind of decoration with heat insulation function |
-
2018
- 2018-07-13 CN CN201810771488.6A patent/CN109026763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011122745A (en) * | 2009-12-08 | 2011-06-23 | Gyohai O | Double impeller power type cooling tower water turbine and cooling tower |
| CN204672527U (en) * | 2015-06-08 | 2015-09-30 | 莆田市荣兴机械有限公司 | A kind of protective coating device |
| CN207365742U (en) * | 2017-09-19 | 2018-05-15 | 溧阳市金土地节能科技有限公司 | A kind of reverse-flow fiberglass exempts from electric cooling tower |
| CN207507697U (en) * | 2017-11-07 | 2018-06-19 | 广西玉林实力钢建有限公司 | A kind of spraying equipment for color steel tile production and processing |
| CN207456545U (en) * | 2017-12-07 | 2018-06-05 | 重庆众誉材工科技有限公司 | Character wheel box construction in liquid-sealing water meter |
| CN207594623U (en) * | 2017-12-19 | 2018-07-10 | 上海同造欧式建筑科技股份有限公司 | A kind of decoration with heat insulation function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526250A (en) * | 2022-02-09 | 2022-05-24 | 日照盈德气体有限公司 | Low-energy-consumption cooling tower fan and low-energy-consumption method |
| CN114526250B (en) * | 2022-02-09 | 2024-07-16 | 日照盈德气体有限公司 | Low-energy-consumption cooling tower fan and low-energy-consumption method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |