CN108317079A - A kind of roots blower - Google Patents
A kind of roots blower Download PDFInfo
- Publication number
- CN108317079A CN108317079A CN201810276350.9A CN201810276350A CN108317079A CN 108317079 A CN108317079 A CN 108317079A CN 201810276350 A CN201810276350 A CN 201810276350A CN 108317079 A CN108317079 A CN 108317079A
- Authority
- CN
- China
- Prior art keywords
- main body
- fan main
- blast pipe
- air inlet
- pipe
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention relates to a kind of roots blowers, including fan main body, inlet tube, outlet, piping, butterfly valve；The fan main body includes air inlet and air outlet, and the air inlet is arranged in the upper surface of the fan main body, and the air outlet is arranged in the left side or right side of the fan main body；The first end of the blast pipe is connect with the air inlet of the fan main body；The first end of the discharge pipe is connect with the air outlet of the fan main body；The first end of the piping is connect with the middle part of the blast pipe, and the second end of the piping is connect with the middle part of the discharge pipe；The butterfly valve is arranged in the junction of the piping and the blast pipe.It the advantage is that, using piping by the air inlet of fan main body and air outlet unicom, and install butterfly valve additional, by the automatic shutter of butterfly valve, change the pressure of wind turbine inlet and outlet, realizes the operating mode of interruption sex work, the frequent start-stop of wind turbine is avoided, is prolonged the service life, the use occasion of roots blower is expanded.
Description
Technical field
The present invention relates to wind turbine technical field more particularly to a kind of roots blowers.
Background technology
Roots blower category positive displacement wind turbine, principle are performed relative motion in cylinder using two lobed rotors to compress
With the rotary compressor of conveying gas.This blower fan structure is simple, easily manufactured, is widely used in aquaculture oxygenation, dirt
Water treatment aeration, cement transportation are more suitable for gas conveying and the compression system of low-pressure occasion, it is also possible to make vacuum pump etc..
In existing roots blower, due to working condition, it may appear that the situation of frequent start-stop seriously affects sieve
The service life of thatch wind turbine makes roots blower that can not be suitable for the working condition of frequent start-stop, to make the use occasion of roots blower
It is restricted with use condition, and then influences manufacturing schedule, production efficiency and increase production cost.
Therefore, the working condition of frequent start-stop is can adapt to there is an urgent need for a kind of, and does not reduce service life of a machine, not by use occasion
With the roots blower of use condition limitation.
Invention content
The purpose of the present invention is being directed to deficiency in the prior art, a kind of roots blower is provided.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of roots blower, including fan main body, inlet tube, outlet, piping, butterfly valve；
The fan main body includes air inlet and air outlet, and the air inlet is arranged in the upper surface of the fan main body,
The air outlet is arranged in the left side or right side of the fan main body；
The first end of the blast pipe is connect with the air inlet of the fan main body；
The first end of the discharge pipe is connect with the air outlet of the fan main body；
The first end of the piping is connect with the middle part of the blast pipe, the second end of the piping and the discharge pipe
Middle part connects；
The butterfly valve is arranged in the junction of the piping and the blast pipe.
Preferably, the discharge pipe includes outlet air three-way pipe, and first end and the air outlet of the outlet air three-way pipe connect
It connects, the second end of the outlet air three-way pipe is connect with the second end of the piping.
Preferably, the blast pipe includes air inlet three-way pipe, and the first end of the air inlet three-way pipe connects with the air inlet
It connects, the second end of the air inlet three-way pipe is connect with the first end of the piping.
Preferably, further include vacuumatic measuring device, the vacuumatic measuring device is arranged in the blast pipe and the air inlet
The junction of mouth.
Preferably, further include silencing means, the silencing means is connect with the second end of the discharge pipe.
Preferably, further include safety valve, the safety valve is arranged in the junction of the blast pipe and the air inlet.
Preferably, further include ball valve, the second end in the blast pipe is arranged in the ball valve.
Preferably, further include limiting device, the second end in the blast pipe is arranged in the limiting device.
Preferably, further include pedestal, the pedestal is arranged in the bottom of the fan main body, the pedestal by supporter and
Connecting rod form, the supporter in "] " font, there are two the supporters, and two supporters are symmetrical arranged and pass through
Multiple connecting rod connections, the pedestal is in " H " font.
Preferably, further include valve state monitoring sensor, warning device, the valve state monitoring sensor, which is arranged, to exist
The junction of the butterfly valve and the blast pipe, the warning device setting are passed in the blast pipe, the valve state monitoring
Sensor is electrically connected with the warning device.
The present invention is had the following technical effect that compared with prior art using above technical scheme：
A kind of roots blower of the present invention using piping by the air inlet of fan main body and air outlet unicom, and installs butterfly additional
Valve changes the pressure of wind turbine inlet and outlet by the automatic shutter of butterfly valve, realizes the operating mode of interruption sex work, avoids wind turbine frequent
Start-stop prolongs the service life, and expands the use occasion of roots blower；Silencing means is set at discharge pipe, eliminates blower fan work
When noise；Ball valve, limiting device and safety valve are set in air inlet, improve safety when wind turbine uses；In wind turbine
Vacuumatic measuring device is arranged in air inlet, monitors the pressure of wind turbine air inlet in real time, allows the operator to understand wind turbine in time
Working condition；Gas-filtering device is set in blast pipe air inlet, avoids dust and foreign matter from entering in fan main body, avoids wind turbine
Main body is damaged；Temperature monitoring device and warning device are set, can be carried out when roots blower operating temperature occurs abnormal
Alarm reminds staff to stop roots blower work in time；Be arranged valve state monitor sensor, butterfly valve can not normal work
When making, the power supply of roots blower is alarmed and automatically cut off, roots blower is made to be stopped, roots blower is avoided to ask
Topic.
Description of the drawings
Fig. 1 is the front view of a preferred embodiment of the present invention.
Fig. 2 is the side view of a preferred embodiment of the present invention.
Fig. 3 is the vertical view of a preferred embodiment of the present invention.
Reference numeral therein is：Fan main body 1；Blast pipe 2；Discharge pipe 3；Piping 4；Butterfly valve 5；Vacuumatic measuring device 6；
Silencing means 7；Safety valve 8；Ball valve 9；Limiting device 10；Pedestal 11；Outlet air three-way pipe 12；Enter the wind three-way pipe 13；Supporter 14；
Connecting rod 15.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of not making creative work it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The invention will be further described in the following with reference to the drawings and specific embodiments, but not as limiting to the invention.
The preferred embodiment of the present invention, as shown in Figures 1 to 3, a kind of roots blower, including fan main body 1, air inlet
Pipe 2, discharge pipe 3, piping 4, butterfly valve 5, vacuumatic measuring device 6, silencing means 7, safety valve 8, ball valve 9, limiting device 10, pedestal
11。
Fan main body 1 is trilobed wheel wind turbine, and fan main body 1 includes air inlet and air outlet, and air inlet is arranged in wind turbine master
The upper surface of body 1, air outlet are arranged in the left side or right side of fan main body 1.
The first end of blast pipe 2 is connect with the air inlet of fan main body 1, and the second end of blast pipe 2 is used for the external world to air inlet
Gas is conveyed in pipe 2.
The vertical upper surface with fan main body 1 of blast pipe 2.
Blast pipe 2 can be unitary tubes.
Blast pipe 2 can also carry out detachably connected form by multi-pipeline.In the pipeline of composition blast pipe 2, including
Air inlet three-way pipe 13 and straight tube, the first end of straight tube are connect with air inlet, the second end of straight tube and the first of air inlet three-way pipe 13
The third end of end connection, air inlet three-way pipe 13 conveys gas for the external world into blast pipe 2.
It is attached by flange and bolt between each pipeline of blast pipe 2.
2 material of blast pipe is stainless steel.
The first end of discharge pipe 3 is connect with the air outlet of fan main body 1, and the second end of discharge pipe 3 is for outwardly conveying
Gas.
Discharge pipe 3 can be unitary tubes.
Discharge pipe 3 can also carry out detachably connected form by multi-pipeline.In the pipeline of composition discharge pipe 3, including
The air outlet of outlet air three-way pipe 12, bent angle pipe, straight tube, the first end of the bent angle pipe and fan main body connects, and the of bent angle pipe
Two ends are connect with the first end of outlet air three-way pipe 12, and the third end of outlet air three-way pipe 12 and the first end of straight tube connect, straight tube
Second end is for outwardly conveying gas.
3 material of discharge pipe is stainless steel.
The first end of piping 4 is connect with the middle part of blast pipe 2, is piped 4 second end and is connect with the middle part of discharge pipe 3.
Piping 4 is bellows.
When blast pipe 2 and discharge pipe 3 are unitary tubes, the not end with blast pipe 2 and discharge pipe 3 of piping 4
Connection.
When blast pipe 2 and discharge pipe 3 are connected and composed by multi-pipeline, it is piped 4 first end and air inlet three-way pipe 13
Second end connects, and is piped 4 second end and is connect with the second end of outlet air three-way pipe 12.
Butterfly valve 5 is arranged in the junction of piping 4 and blast pipe 2.In the present embodiment, butterfly valve is Pneumatic butterfly valve, can
It is opened and closed under a certain pressure, so that blast pipe 2 is penetrated through with discharge pipe 3, the gas in two pipes is made to circulate, balance pressure.
Work pressure when can monitor blower fan work in the junction of blast pipe 2 and air inlet is arranged in vacuumatic measuring device 6
Power.In the present embodiment, preferred vacuumatic measuring device 6 is vacuum meter.
Further, vacuumatic measuring device 6 is arranged in the junction of straight tube and air inlet three-way pipe 13.
The second end in discharge pipe 3 is arranged in silencing means 7, that is, one in discharge pipe 3 for outwardly conveying gas is arranged
End, noise when eliminating fan main body work.
Safety valve 8 is arranged in the junction of blast pipe 2 and air inlet, inside pressure when for maintaining fan main body 1 to work
Power, the case where preventing fan main body 1 to be stopped because of internal pressure problem.
The second end in blast pipe 2 is arranged in ball valve 9, that is, is arranged and conveys gas into fan main body 1 for the external world in blast pipe 2
One end of body.When fan main body 1 works, ball valve 9 is opened, gas is made to enter in fan main body 1 from blast pipe 2；In wind turbine master
When body 1 stops, ball valve 9 is closed, gas is avoided to enter in fan main body 1 from blast pipe 2.
In the present embodiment, preferred ball valve 9 is manual ball valve.
Limiting device 10 is arranged in the junction of ball valve 9 and blast pipe 2, for carrying out position restriction to ball valve 9, prevents ball
There is displacement in valve 9, influences fan main body 1.
Pedestal 11 is arranged in the bottom of fan main body 1.Pedestal 11 carried out with fan main body 1 it is detachably connected, for pair
Support is fixed in fan main body 1, convenient for being transported to fan main body 1.
In the present embodiment, pedestal 11 is to be bolted with fan main body 1.
Multiple connecting rods 15 that pedestal 11 is symmetrical arranged two supporters 14 of ground supporter 14 and connection by two form,
Pedestal 11 is in " H " font.
Supporter 14 in "] " font, end face, side end face and lower face are both provided with mounting hole thereon.Supporter 14 it is upper
For being attached with fan main body 1, the mounting hole of the side end face of supporter 14 is used for and another supporter the mounting hole of end face
14 side end face is attached, and the mounting hole of the lower face of supporter 14 with ground for being attached.
One end of each connecting rod 15 is connect with the mounting hole of the side end face of a supporter 14, each connecting rod 15
The other end is connect with the mounting hole of the side end face of another supporter 14.
Warning device (not shown) is arranged in blast pipe 2, is electrically connected with vacuumatic measuring device 6, in vacuum meter
The pressure that amount device 6 monitors sends warning message when being more than preset threshold value.
In the present embodiment, the second end in blast pipe 2 is arranged in warning device.
The second end in blast pipe 2 is arranged in gas-filtering device (not shown), gas-filtering device, that is, be arranged into
Air hose 2 is for the extraneous position for conveying gas to fan main body 1, for being filtered to gas, prevent gas carry dust or
Foreign matter enters inside fan main body 1, avoids being damaged inside fan main body 1.
Valve state monitors sensor (not shown), is electrically connected with warning device, is arranged in butterfly valve 5 and blast pipe 2
Junction, for monitoring whether butterfly valve 5 works normally.When butterfly valve 5 can not work normally, alarm signal is sent to warning device
Breath closes roots blower in time for being reminded to staff.
Further, the switch of valve state monitoring sensor and fan main body 1 electrically connects, and being used for can not in butterfly valve 5
When normal work, the switch of fan main body 1 is disconnected, fan main body 1 is made to be automatically stopped work.
Temperature monitoring device (not shown) is arranged in the junction of piping 4 and blast pipe 2, for monitoring discharge pipe 3
The gas temperature conveyed to blast pipe 2.Temperature monitoring device is electrically connected with warning device, for being more than preset threshold value in temperature
When, warning message is sent to warning device, staff is reminded to stop the work of fan main body 1 in time.
Further, temperature monitoring device can also be arranged on the surface of fan main body 1, for monitoring fan main body 1
Temperature when work.When being conveyed outward from discharge pipe 3 due to gas, the temperature of gas can reduce, therefore, by temperature monitoring device
It is arranged on the surface of fan main body 1, can more accurately monitors the temperature of fan main body 1.
The application method of the roots blower of this preferred embodiment is as follows：Ball valve 9 is opened, starts fan main body 1, makes wind turbine master
Body 1 is started to work；During the work time, since butterfly valve 5 is Pneumatic butterfly valve, by the opening and closing of butterfly valve 5, change fan main body 1
The pressure of air inlet and air outlet, to realize interruption sex work；Meanwhile during the work time, silencing means 7 can effectively subtract
Noise in 1 course of work of few fan main body, improves the comfort level of working environment；In addition, staff can pass through vacuum meter
Device 6 is measured to observe whether fan main body 1 works normally；Sensor and alarm are monitored by temperature monitoring device, valve state
Device, can remind whether staff's roots blower is in abnormal operation, so that staff is occurred in wind turbine different
Stop roots blower in time when reason condition.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of roots blower, which is characterized in that including fan main body (1), blast pipe (2), discharge pipe (3), piping (4), butterfly
Valve (5)；
The fan main body (1) includes air inlet and air outlet, upper table of the air inlet setting in the fan main body (1)
Face, the air outlet are arranged in the left side or right side of the fan main body (1)；
The first end of the blast pipe (2) is connect with the air inlet of the fan main body (1)；
The first end of the discharge pipe (3) is connect with the air outlet of the fan main body (1)；
It is described piping (4) first end connect with the middle part of the blast pipe (2), it is described be piped (4) second end with it is described go out
The middle part of air hose (3) connects；
Junction of butterfly valve (5) setting in piping (4) and the blast pipe (2).
2. roots blower according to claim 1, which is characterized in that the discharge pipe (3) includes outlet air three-way pipe (12),
The first end of the outlet air three-way pipe (12) is connect with the air outlet, and the second end of the outlet air three-way pipe (12) is matched with described
Manage the second end connection of (4).
3. roots blower according to claim 1, which is characterized in that the blast pipe (2) includes air inlet three-way pipe (13),
The first end of the air inlet three-way pipe (13) is connect with the air inlet, and the second end of the air inlet three-way pipe (13) is matched with described
Manage the first end connection of (4).
4. roots blower according to claim 1, which is characterized in that further include vacuumatic measuring device (6), the vacuum meter
Device (6) is measured to be arranged in the junction of the blast pipe (2) and the air inlet.
5. roots blower according to claim 1, which is characterized in that further include silencing means (7), the silencing means
(7) it is connect with the second end of the discharge pipe (3).
6. roots blower according to claim 1, which is characterized in that further include safety valve (8), the safety valve (8) sets
Set the junction in the blast pipe (2) and the air inlet.
7. roots blower according to claim 1, which is characterized in that further include ball valve (9), ball valve (9) setting exists
The first end of the blast pipe (2).
8. roots blower according to claim 1, which is characterized in that further include limiting device (10), the limiting device
(10) first end of the setting in the blast pipe (2).
9. roots blower according to claim 1, which is characterized in that further include pedestal (11), pedestal (11) setting
Bottom in the fan main body (1), the pedestal (11) are made of supporter (14) and connecting rod (15), the supporter
(14) be in "] " font, there are two the supporters (14), and two supporters (14) are symmetrical arranged and pass through multiple companies
Extension bar (15) connects, and the pedestal (11) is in " H " font.
10. roots blower according to claim 1, which is characterized in that further include valve state monitoring sensor, alarm dress
It sets, the valve state monitoring sensor setting is in the junction of the butterfly valve (5) and the blast pipe (2), the alarm dress
It installs in the blast pipe (2), the valve state monitoring sensor is electrically connected with the warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276350.9A CN108317079A (en) | 2018-03-30 | 2018-03-30 | A kind of roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276350.9A CN108317079A (en) | 2018-03-30 | 2018-03-30 | A kind of roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317079A true CN108317079A (en) | 2018-07-24 |
Family
ID=62900501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810276350.9A Pending CN108317079A (en) | 2018-03-30 | 2018-03-30 | A kind of roots blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317079A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842609A (en) * | 2007-09-04 | 2010-09-22 | 伊顿公司 | The torsion damping mechanism that is used for pressurized machine |
| CN103867436A (en) * | 2008-07-22 | 2014-06-18 | 厄利孔莱博尔德真空技术有限责任公司 | Vacuum pump in particular roots type pump |
| CN204226205U (en) * | 2014-09-26 | 2015-03-25 | 无锡考特威星机械有限公司 | A kind of roots blower cooling noise reduction collection assembling device |
| CN204646679U (en) * | 2015-05-28 | 2015-09-16 | 南通天蓝环保能源成套设备有限公司 | A kind of roots blower emptying and stress release treatment device |
| CN205955987U (en) * | 2016-07-28 | 2017-02-15 | 山东金丰罗茨鼓风机有限公司 | Roots blower with gas reflux device |
| CN206468540U (en) * | 2017-01-04 | 2017-09-05 | 江西绿城罗茨鼓风机有限公司 | One kind energy-conservation Roots blower |
| CN208330727U (en) * | 2018-03-30 | 2019-01-04 | 川田机械制造(上海)有限公司 | A kind of novel roots blower |
-
2018
- 2018-03-30 CN CN201810276350.9A patent/CN108317079A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842609A (en) * | 2007-09-04 | 2010-09-22 | 伊顿公司 | The torsion damping mechanism that is used for pressurized machine |
| CN103867436A (en) * | 2008-07-22 | 2014-06-18 | 厄利孔莱博尔德真空技术有限责任公司 | Vacuum pump in particular roots type pump |
| CN204226205U (en) * | 2014-09-26 | 2015-03-25 | 无锡考特威星机械有限公司 | A kind of roots blower cooling noise reduction collection assembling device |
| CN204646679U (en) * | 2015-05-28 | 2015-09-16 | 南通天蓝环保能源成套设备有限公司 | A kind of roots blower emptying and stress release treatment device |
| CN205955987U (en) * | 2016-07-28 | 2017-02-15 | 山东金丰罗茨鼓风机有限公司 | Roots blower with gas reflux device |
| CN206468540U (en) * | 2017-01-04 | 2017-09-05 | 江西绿城罗茨鼓风机有限公司 | One kind energy-conservation Roots blower |
| CN208330727U (en) * | 2018-03-30 | 2019-01-04 | 川田机械制造(上海)有限公司 | A kind of novel roots blower |
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