CN108131167A - A kind of centrifugal single screw compressor or expanding machine - Google Patents
A kind of centrifugal single screw compressor or expanding machine Download PDFInfo
- Publication number
- CN108131167A CN108131167A CN201711278333.0A CN201711278333A CN108131167A CN 108131167 A CN108131167 A CN 108131167A CN 201711278333 A CN201711278333 A CN 201711278333A CN 108131167 A CN108131167 A CN 108131167A
- Authority
- CN
- China
- Prior art keywords
- casing
- screw rod
- star
- expanding machine
- screw
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C3/00—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members
- F01C3/02—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees
- F01C3/025—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
-
- 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
- F04C18/48—Rotary-piston pumps with non-parallel axes of movement of co-operating members
- F04C18/50—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees
- F04C18/52—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of centrifugal single screw compressor or expanding machine, including：Casing, screw rod and two star-wheels, casing are closed case, at least two ventholes are provided on casing, for air inlet and exhaust；Screw rod is rotatably set to casing internal, screw rod is truncated cone-shaped screw rod, truncated cone-shaped screw rod includes round platform pedestal, rotor and screw shaft, rotor and screw shaft are fixed on the upper surface of round platform pedestal, the center line of round platform pedestal, rotor and screw shaft overlaps, and the screw channel of rotor extends around center line to the upside of round platform pedestal；Two star-wheels are rotatably provided with casing internal, and two star-wheels are meshed respectively with the rotor of screw rod.Centrifugal force is to the resistance of compressor or expanding machine interior air-flow caused by the centrifugal single screw compressor or expanding machine of the present invention can reduce screw rod rotation, especially change the inlet and outlet direction of expanding machine, the resistance of expanding machine inlet and outlet is reduced, capacity utilization and overall efficiency can be improved.
Description
Technical field
The invention belongs to single screw compressor or expanding machine technical fields, are compressed more particularly to a kind of centrifugal single screw rod
Machine or expanding machine.
Background technology
Single-screw expander is to come work, basic structure and single screw rod compression according to the inverse principle of single screw compressor
Machine is identical, and the course of work is opposite.Single screw compressor passes to screw rod by high-speed rotating power and drives star-wheel by its helicla flute
Gear piece rotates, and generates high pressure gas.Single-screw expander relies on drive of high-pressure gas, in expanding machine, after high pressure gas expansion
Drive rotor rotates, and output power, and realization converts heat energy into mechanical energy.Single screw compressor be applied to air compression,
The fields such as refrigeration and process gas compression；Single-screw expander will promote the low-grade exhaust heat in industrial flow, geothermal energy and too
The recycling of the energy such as positive energy, and electric energy is converted to, alleviate energy shortage and problem of environmental pollution.
Wherein, single screw compressor or expanding machine have the advantages that stress balance, volumetric efficiency is high, and service life is long.But
It is compared with double-screw compressor or expanding machine, there are no commercial applications for single screw compressor or expanding machine.The reason is that, mesh
The structure of preceding single screw compressor makes it generate intake resistance, and especially existing single-screw expander comes from mostly simply to be changed
The single screw compressor made, as depicted in figs. 1 and 2, i.e., by single screw compressor counter-rotating, the gas vent of single screw compressor
Mouth is transformed into the air inlet of expanding machine, and the air inlet of compressor is transformed into the exhaust outlet of expanding machine.It is this only by intake and exhaust
Aperture exchanges, and does not change machine inner structure, and the mode that reversion compressor becomes expanding machine can make airintake direction and direction of rotation
Difference, caused inlet and outlet drag losses substantially reduce the efficiency for making single-screw expander.
Invention content
The purpose of the present invention is to provide a kind of centrifugal single screw compressor or expanding machine, to solve above-mentioned skill
Art problem.The centrifugal single screw compressor or expanding machine of the present invention is transformed by traditional single screw rod structure, can reduce spiral shell
Centrifugal force caused by bar rotates especially changes the inlet and outlet direction of expanding machine to the resistance of compressor or expanding machine interior air-flow,
The resistance of expanding machine inlet and outlet is reduced, capacity utilization and overall efficiency can be improved.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of centrifugal single screw compressor or expanding machine, including：Casing, the casing be closed case, the casing
On be provided at least two ventholes, for air inlet and exhaust；Truncated cone-shaped screw rod, the truncated cone-shaped screw rod are rotatably set to
Casing internal；Truncated cone-shaped screw rod include from the bottom to top successively and coaxial arrangement round platform pedestal, rotor and screw shaft, the spiral shell of rotor
Slot extends around axis to the upside of round platform pedestal；Two star-wheels, two star-wheels are rotatably set to casing internal, two star-wheels
It is meshed with rotor.
Further, the casing is the cuboid with cavity, and the both ends of the casing are dismountable respectively to be fixedly installed
There is end cap；The upper side wall of the casing is provided with screw rod shaft mounting hole, and screw shaft is rotatably set in screw rod shaft mounting hole；
Two pairs of star-wheel shaft mounting holes are provided on the forward and backward side wall of casing, the spider gear shaft of star-wheel is rotatably set to corresponding a pair
In star-wheel shaft mounting hole；Bottom outlet is provided in the lower wall of casing, capping, bottom outlet are removably fixedly installed on the bottom outlet
Axis overlapped with the axis of screw rod shaft mounting hole, truncated cone-shaped screw rod can from bottom outlet pass through be installed in casing；The casing
Two enclosing coil lines are set on internal face, and around inner cavity, axis is arranged symmetrically, and is overlapped with the contour line on screw rod tooth socket outer diameter.
Further, venthole there are four being set on housing：Including two the first ventholes and two the second ventholes；Two
First venthole is two through-holes being set on the upper wall of casing, axis of two the first ventholes about screw rod shaft mounting hole
It is symmetrical arranged, the axis of the first venthole is parallel with the axis of screw rod shaft mounting hole；Two the second ventholes are symmetrically disposed on machine
On the forward and backward side wall of shell.
Further, two star-wheels are symmetrically disposed on the axial both sides of screw rod, the working face direction phase of two star-wheels
Instead.
Further, the busbar of the rotor of truncated cone-shaped screw rod is straight line, and distance of the straight line away from star-wheel center is equal to or more than
The base radius of star-wheel.
Further, the busbar of the rotor of truncated cone-shaped screw rod is 1/4 circular arc, and arc radius is equal to or more than star-wheel basic circle half
Diameter.
Compared with prior art, the present invention has the following advantages：
The centrifugal single screw compressor or expanding machine of the present invention, centrifugal force is to intake and exhaust caused by can reducing screw rod rotation
Inhibition, can especially reduce the inlet and outlet resistance of expanding machine, the capacity utilization of compressor or expanding machine can be improved
And overall efficiency.
Further, the installation of star-wheel can be convenient for by removing the end cap at casing both ends, and the end cap at installation casing both ends can be by machine
Shell is closed, and prevents gas from entering or discharging from the both ends of casing；The bottom outlet being relatively large in diameter is provided on casing, convenient for screw rod is put
Enter in casing, also allow for taking out screw rod out of casing, installation capping can close casing.
Further, the induction port of expanding machine of the invention is opened in the air inlet end face of screw rod, and charge air flow is not by spiral shell
The influence of centrifugal force caused by bar rotates, can also so as to be mixed into the guarantees such as liquid, lubricating oil sealing in charge air flow
Expanding machine for two-phase is expanded, and maintain smaller intake resistance, is finally reached and improves compressor or expander capacity utilization
The purpose of rate and overall efficiency.
Description of the drawings
Fig. 1 is traditional single screw compressor or the cylindrical screw rod of expanding machine and the structure diagram of star-wheel；
Fig. 2 is the matching relationship schematic diagram of the screw rod and star-wheel in Fig. 1；
Fig. 3 is the centrifugal single screw compressor of the present invention or the configuration schematic diagram of expanding machine；
Fig. 4 is star-wheel and structure diagram of the truncated cone-shaped screw rod under meshing state in Fig. 3；
Fig. 5 is the cooperation of the centrifugal single screw compressor of the present invention or the screw rod and star-wheel of a kind of embodiment of expanding machine
Relation schematic diagram；
Fig. 6 is the centrifugal single screw compressor or the screw rod of another embodiment of expanding machine of the present invention and matching for star-wheel
Close relation schematic diagram；
Fig. 7 is the centrifugal single screw compressor of the present invention or expanding machine casing semi-cutaway.
In Fig. 1 to Fig. 7,1 casing；101 end caps；102 cappings；103 enclosing coil lines；2 first ventholes；3 second ventilations
Hole；4 truncated cone-shaped screw rods；401 round platform pedestals；402 rotors；403 screw shafts；5 star-wheels；6 screw rod shaft mounting holes；7 spider gear shafts are installed
Hole；8 cylindrical screw rods.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the present invention, upper, lower, left, right, front and rear therein
Orientation is described shown in equal reference chart 3.
With reference to figure 3 and Fig. 4, centrifugal single screw compressor of the invention or expanding machine, including：Casing 1, truncated cone-shaped screw rod
4 and two star-wheels 5；Casing 1 is closed rectangular box, and the left and right ends of casing 1 are removably fixedly installed end cap respectively
101, screw or bolt is selected to be fixed.
Truncated cone-shaped screw rod 4 includes the round platform pedestal 401, rotor 402 and the screw shaft 403 that set gradually from bottom to up, round platform
The center line of pedestal 401, rotor 402 and screw shaft 403 overlaps, and the screw channel of rotor 402 is around center line to the upper of round platform pedestal 401
Side extends.
The upper side wall of casing 1 is provided centrally with screw rod shaft mounting hole 6, and screw shaft 403 is set to screw rod shaft mounting hole 6
In, screw shaft 403 can be rotatable around its axis；Star-wheel shaft mounting hole 7 there are two being respectively provided on the forward and backward side wall of casing 1, front side wall
On the axis of two star-wheel shaft mounting holes 7 and two star-wheel shaft mounting holes 7 on rear wall be respectively superposed, two star-wheels 5
Spider gear shaft is respectively arranged in two star-wheel shaft mounting holes 7 of axis coincidence, and two star-wheels 5 are symmetrically disposed on screw shaft 403
Axial both sides, the working face direction of two star-wheels 5 is on the contrary, star-wheel 5 can be rotated around the axis of its spider gear shaft；Two star-wheels 5 divide
It is not meshed with the rotor of screw rod 402；Bottom outlet is provided in the lower wall of casing 1, envelope is removably fixedly installed on bottom outlet
Lid 102, the axis of bottom outlet are overlapped with the axis of screw rod shaft mounting hole 6, and the diameter of bottom outlet is more than the diameter of round platform pedestal 401, circle
Platform shape screw rod 4 can be passed through from bottom outlet and is installed in casing 1.
Setting is there are four venthole on casing 1, including two the first ventholes 2 and two the second ventholes 3, for air inlet
And exhaust；Two the first ventholes 2 are two through-holes of the roof for being set to casing 1, and two the first ventholes 2 are about screw shaft
The axisymmetrical setting of mounting hole 6, the axis of the first venthole 2 are parallel with the axis of screw rod shaft mounting hole 6；Two second ventilations
Hole 3 is set on the forward and backward side wall of casing 1.
With reference to figure 5, the mother of the rotor 402 of the truncated cone-shaped screw rod 4 of centrifugal single screw compressor of the invention or expanding machine
Line is straight line, and distance of the straight line away from 5 center of star-wheel is equal to or more than the base radius of star-wheel 5.
With reference to figure 6, the mother of the rotor 402 of the truncated cone-shaped screw rod 4 of centrifugal single screw compressor of the invention or expanding machine
Line is 1/4 circular arc, and arc radius is equal to or more than 5 base radius of star-wheel.
With reference to figure 7, centrifugal single screw compressor of the invention or expanding machine are set there are two enclosing coil line 103, around
Inner cavity axis is arranged symmetrically, and is overlapped with the contour line on screw rod tooth socket outer diameter.
The present invention is blocked screw rod on the basis of the perpendicular bisector of star-wheel and screw rotor, and section is compressed for centrifugal single screw rod
The exhaust side of machine or the air inlet side of expanding machine；The screw channel of screw rotor is prolonged to the air inlet side of compressor or the exhaust side of expanding machine
It stretches, while cylindrical screw rod is deformed into truncated cone-shaped screw rod, round platform busbar is straight line or circular arc, and cathetus is away from star-wheel center
Distance is equal to or more than the base radius of star-wheel, and arc radius is equal to or more than star-wheel base radius, determines according to specific needs
Size；It is provided on the corresponding casing of air inlet side or exhaust lateral section of screw rotor along the centrosymmetric axial hole of screw shaft
Mouthful, it is the induction port of expanding machine or the vent ports of compressor, on the casing of expander exhaust gas side or compressor air inlet side
It is provided with along the centrosymmetric rod radial air vent mouth of screw shaft or induction port.
The centrifugal single screw compressor or expanding machine of the present invention, by traditional single screw compressor or expanding machine morphing transformation
It forms, is blocked screw rod on the basis of the perpendicular bisector of star-wheel and rotor, section is the exhaust side of centrifugal single screw compressor
Or the air inlet side of expanding machine；The screw channel of screw rotor to the air inlet side of compressor or the exhaust side of expanding machine is extended, simultaneously will
Cylindrical screw rod 8 is deformed into truncated cone-shaped screw rod 4, and round platform busbar is straight line or circular arc, distance of the cathetus away from 5 center of star-wheel etc.
In or more than star-wheel 5 base radius, arc radius be equal to or more than 5 base radius of star-wheel, according to specific needs determine size；
It is provided on the corresponding casing 1 of air inlet side or exhaust lateral section of screw rotor 402 along 403 centrosymmetric axial hole of screw shaft
The first venthole 2 of mouth is the induction port of expanding machine or the vent ports of compressor, in expander exhaust gas side or compressor air inlet
It is provided on the casing 1 of side along 403 centrosymmetric the second venthole of radial bore 3 of screw shaft, is vent ports or air admission hole
Mouthful.
With reference to figure 3 to Fig. 5, a kind of embodiment of centrifugal single-screw expander, by traditional single screw compressor or expansion
Machine malformation.Screw rod is blocked on the basis of the perpendicular bisector of star-wheel and the rotor of screw rod, section is expanded for centrifugal single screw rod
The air inlet side 53 of machine；The screw channel of rotor 402 to exhaust side 54 is extended, while cylindrical screw rod 8 is deformed into truncated cone-shaped screw rod
4, round platform busbar is straight line, and distance of the straight line away from 5 center of star-wheel is equal to or more than the base radius of star-wheel 5；Screw rotor 402
The corresponding casing 1 in 53 section of air inlet side on be provided with the first venthole 2 of axisymmetrical about screw shaft 403, that is, expand
The induction port of machine is provided with the second venthole 3 along the axisymmetrical of screw shaft 403 on the casing 1 of exhaust side 54, i.e., swollen
The vent ports of swollen machine.
With reference to figure 3 to Fig. 5, a kind of embodiment of centrifugal single screw compressor, by traditional single screw compressor or expansion
Machine malformation.Screw rod is blocked on the basis of the perpendicular bisector of star-wheel 5 and screw rotor 402, section is centrifugal single screw rod pressure
The exhaust side 53 of contracting machine；The screw channel of screw rotor 402 to air inlet side 54 is extended, while cylindrical screw rod 8 is deformed into round platform
Shape screw rod 4, round platform busbar are straight line, and distance of the straight line away from 5 center of star-wheel is equal to or more than the base radius of star-wheel 5；Screw rod
It is provided on the corresponding casing 1 in 53 section of exhaust side of rotor 402 along 403 centrosymmetric first venthole 2 of screw shaft, that is, pressed
The vent ports of contracting machine are provided with along 403 centrosymmetric second venthole 3 of screw shaft on the casing 1 of air inlet side 54, that is, press
The induction port of contracting machine.
With reference to figure 6, a kind of embodiment of centrifugal single-screw expander, the screw channel length of screw rotor 4023 is to exhaust
Side 56 extends, and round platform busbar is 1/4 circular arc, and arc radius is equal to or more than the base radius of star-wheel 5；Screw rotor 402 into
It is provided on the corresponding casing 1 in 55 section of gas side along 403 centrosymmetric the first venthole of axial aperture 2 of screw shaft, that is, expanded
The induction port of machine is provided on the casing 1 of exhaust side 56 along 403 centrosymmetric the second venthole of radial bore of screw shaft
3, the i.e. vent ports of expanding machine.
With reference to figure 6, a kind of embodiment of centrifugal single screw compressor, the screw channel of screw rotor 402 prolongs to air inlet side 56
It stretches, round platform busbar is 1/4 circular arc, and arc radius is equal to or more than the base radius of star-wheel 5, and arc radius is equal to or more than star-wheel
5 base radius；It is provided on the corresponding casing 1 in 55 section of exhaust side of screw rotor 402 centrosymmetric along screw shaft 403
The first venthole of axial aperture 2, the i.e. vent ports of compressor are provided on the casing 1 of air inlet side 56 along screw shaft 403
Symmetrical 12 second venthole 3 of radial bore of the heart, the i.e. induction port of compressor.
Operation principle：
During as expanding machine：Screw rod and star-wheel 5 engage, and the screw channel of star-wheel 5,1 inner wall of casing and rotor 402, which forms closing, to be held
Product, enclosing coil line are overlapped with screw rod tooth socket outer diameter.When drive of high-pressure gas, screw rod and two star-wheels 5 are rotating around its axis
It rotates, so that enclosed volume constantly changes, and then completes the air inlet, expansion, exhaust process of working medium.
During as compressor：Identical with single-screw expander structure, working cycles by external motor on the contrary, drive spiral shell
Bar rotates, and so as to which star-wheel 5 be made to rotate around spider gear shaft, so that enclosed volume constantly changes, and then completes working medium
Air inlet, compression, exhaust process.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (7)
1. a kind of centrifugal single screw compressor or expanding machine, which is characterized in that including：
Casing (1), the casing (1) are closed case, at least two ventholes are provided on the casing (1), for air inlet
And exhaust；
Truncated cone-shaped screw rod (4), it is internal that the truncated cone-shaped screw rod (4) is rotatably set to casing (1)；Truncated cone-shaped screw rod (4) wraps
Include from the bottom to top successively and coaxial arrangement round platform pedestal (401), rotor (402) and screw shaft (403), the spiral shell of rotor (402)
Slot extends around axis to the upside of round platform pedestal (401)；
Two star-wheels (5), it is internal that two star-wheels (5) are rotatably set to casing (1), two star-wheels (5) with rotor (402)
It is meshed.
2. centrifugal single screw compressor according to claim 1 or expanding machine, which is characterized in that the casing (1) is
Cuboid with cavity, the both ends of the casing (1) are removably fixedly installed end cap (101) respectively；
The upper side wall of the casing (1) is provided with screw rod shaft mounting hole (6), and screw shaft (403) is rotatably set to screw shaft
In mounting hole (6)；
Two pairs of star-wheel shaft mounting holes (7) are provided on the forward and backward side wall of casing (1), the spider gear shaft of star-wheel (5) is rotatably set
In corresponding a pair of of star-wheel shaft mounting hole (7)；
Bottom outlet is provided in the lower wall of casing (1), capping (102) is removably fixedly installed on the bottom outlet, bottom outlet
Axis is overlapped with the axis of screw rod shaft mounting hole (6), and truncated cone-shaped screw rod (4) can be passed through from bottom outlet and is installed in casing (1).
3. centrifugal single screw compressor according to claim 2 or expanding machine, which is characterized in that housing (1) is equipped with
Four ventholes：Including two the first ventholes (2) and two the second ventholes (3)；
Two the first ventholes (2) are two through-holes being set on the upper wall of casing (1), two the first ventholes (2) about
The axisymmetrical setting of screw rod shaft mounting hole (6), the axis of the first venthole (2) are parallel with the axis of screw rod shaft mounting hole (6)；
Two the second ventholes (3) are symmetrically disposed on the forward and backward side wall of casing (1).
4. centrifugal single screw compressor according to claim 1 or expanding machine, which is characterized in that two star-wheels (5) are right
Title is set to the axial both sides of screw shaft (403), and the working face direction of two star-wheels (5) is opposite.
5. centrifugal single screw compressor according to claim 1 or expanding machine, which is characterized in that truncated cone-shaped screw rod (4)
Rotor (402) busbar for straight line, distance of the straight line away from star-wheel (5) center is equal to or more than the base radius of star-wheel (5).
6. centrifugal single screw compressor according to claim 1 or expanding machine, which is characterized in that truncated cone-shaped screw rod (4)
Rotor (402) busbar for 1/4 circular arc, arc radius is equal to or more than star-wheel (5) base radius.
7. centrifugal single screw compressor according to claim 1 or expanding machine, which is characterized in that on casing (1) inner wall
There are two enclosing coil lines (103) for setting, and around inner cavity, axis is arranged symmetrically, and is overlapped with the contour line on screw rod tooth socket outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278333.0A CN108131167A (en) | 2017-12-06 | 2017-12-06 | A kind of centrifugal single screw compressor or expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278333.0A CN108131167A (en) | 2017-12-06 | 2017-12-06 | A kind of centrifugal single screw compressor or expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131167A true CN108131167A (en) | 2018-06-08 |
Family
ID=62389079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278333.0A Pending CN108131167A (en) | 2017-12-06 | 2017-12-06 | A kind of centrifugal single screw compressor or expanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131167A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3133695A (en) * | 1960-06-22 | 1964-05-19 | Zimmern Fernand | Compressors |
| US3632239A (en) * | 1968-12-27 | 1972-01-04 | Bernard Zimmern | Rotatable worm fluid compression-expansion machine |
| JPS5612091A (en) * | 1979-07-09 | 1981-02-05 | Iwata Tosouki Kogyo Kk | Worm rotary compressor |
| JPS58122301A (en) * | 1982-01-14 | 1983-07-21 | Daikin Ind Ltd | Screw-type fluid machine |
| US4775304A (en) * | 1986-07-03 | 1988-10-04 | The United States Of America As Represented By The Secretary Of The Navy | Centrifugal scavenging system for single screw compressors |
| CN1283751A (en) * | 2000-06-01 | 2001-02-14 | 查谦 | Energy-saving compressor with single screw bolt |
| CN101680449A (en) * | 2007-05-14 | 2010-03-24 | 大金工业株式会社 | Single screw compressor |
| CN103133348A (en) * | 2011-11-22 | 2013-06-05 | 爱尔特制造有限公司 | Single screw compressor with high output |
| TWM510948U (en) * | 2015-05-20 | 2015-10-21 | guo-an Hou | Structural improvement of plastic steel corrugated board |
-
2017
- 2017-12-06 CN CN201711278333.0A patent/CN108131167A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3133695A (en) * | 1960-06-22 | 1964-05-19 | Zimmern Fernand | Compressors |
| US3632239A (en) * | 1968-12-27 | 1972-01-04 | Bernard Zimmern | Rotatable worm fluid compression-expansion machine |
| JPS5612091A (en) * | 1979-07-09 | 1981-02-05 | Iwata Tosouki Kogyo Kk | Worm rotary compressor |
| US4373881A (en) * | 1979-07-09 | 1983-02-15 | Iwata Air Compressor Manufacturing Company Ltd. | Worm-type rotary fluid compressor |
| JPS58122301A (en) * | 1982-01-14 | 1983-07-21 | Daikin Ind Ltd | Screw-type fluid machine |
| US4775304A (en) * | 1986-07-03 | 1988-10-04 | The United States Of America As Represented By The Secretary Of The Navy | Centrifugal scavenging system for single screw compressors |
| CN1283751A (en) * | 2000-06-01 | 2001-02-14 | 查谦 | Energy-saving compressor with single screw bolt |
| CN101680449A (en) * | 2007-05-14 | 2010-03-24 | 大金工业株式会社 | Single screw compressor |
| CN103133348A (en) * | 2011-11-22 | 2013-06-05 | 爱尔特制造有限公司 | Single screw compressor with high output |
| TWM510948U (en) * | 2015-05-20 | 2015-10-21 | guo-an Hou | Structural improvement of plastic steel corrugated board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204419597U (en) | Sliding-vane compressor and exhaust structure thereof | |
| CN203867621U (en) | Power adjustable single screw rod expansion machine | |
| CN207847938U (en) | A kind of environment-friendly type screw machine | |
| CN203308712U (en) | Variable-pitch double-thread screw vacuum pump | |
| CN106286296B (en) | A kind of flute profile of double-screw compressor rotor | |
| CN108131167A (en) | A kind of centrifugal single screw compressor or expanding machine | |
| CN207426879U (en) | A kind of magnetic suspension motor casing for refrigeration compressor | |
| CN210440234U (en) | Cooling water pump for new energy automobile | |
| Shouman et al. | Performance evaluation of a novel dual vane rotary compressor | |
| CN206419205U (en) | A kind of refrigeration compressor of multiscrew series connection | |
| CN103403296B (en) | Rotary volumetric machine | |
| CN105927281B (en) | A kind of port mouth structure of single-screw expander | |
| CN203856740U (en) | Turbocharging blower | |
| CN206129643U (en) | Pneumatics turns to oscillating fan | |
| CN102003214A (en) | Novel screw expanding power machine | |
| CN207246003U (en) | A kind of screw chlorine liquefying device | |
| CN204024716U (en) | A kind of twin-screw expander | |
| CN107701443A (en) | A kind of semiclosed positive displacement Spiral Lobe Refrigeration Compressor of three screw rods composition | |
| CN201747600U (en) | Single-screw compressor with small specific power | |
| CN207315655U (en) | A kind of three rotary vane type compressor of three chamber | |
| CN108087038A (en) | A kind of rotary type power machine | |
| CN205243563U (en) | Exempt from electric power air cycle impeller | |
| CN207363835U (en) | A kind of pump shell of convenient dismounting | |
| CN103939363A (en) | Turbocharging blower | |
| CN220285979U (en) | Low-pressure screw air compressor with recoverable waste heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180608 |
|
| RJ01 | Rejection of invention patent application after publication |