CN104235018B - A kind of scroll-type machinery - Google Patents
A kind of scroll-type machinery Download PDFInfo
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- CN104235018B CN104235018B CN201410382639.0A CN201410382639A CN104235018B CN 104235018 B CN104235018 B CN 104235018B CN 201410382639 A CN201410382639 A CN 201410382639A CN 104235018 B CN104235018 B CN 104235018B
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Abstract
The present invention relates to a kind of scroll-type machinery, particularly a kind of scroll compressor, it has a shell and a rotating shaft, and rotating shaft is provided with a cylindrical cavity, installs a scroll spring in this cylindrical cavity；There is a bias axis, it is rotatable is fixed on shell, the rotatable center being inserted into scroll spring, one end of bias axis, under the effect of bias axis, scroll spring is laterally pressed to side, and the offset that bias axis is installed is set, make the tangent sealing of scroll spring adjacent turn, simultaneously the two sides of scroll spring respectively with bottom cylindrical cavity and an end cover seal and contact, material is thus formed multiple annular seal space, when rotating shaft rotates continuously, the volume of each annular seal space progressively reduces, it is achieved the compression of convection cell.The machinery multiple chambeies continuous operation of this scroll-type, output fluid pressure is uniform, seals and easily realizes, and requirement on machining accuracy is low, and cost is low, has good practical value.
Description
Technical field
The present invention relates to scroll-type machinery, more particularly, it relates to a kind of scroll compressor.
Background technology
Propose the operation principle of scroll machine from Frenchman LeonCreux in 1905, and apply for United States Patent (USP).Through the development of upper a century and perfect, scroll machine is widely used in many refrigerant compression applications.In general scroll compressor, discharge chambe is generally mutually wound around by two spiral bands and to limit.Two hurricane bands are mutually wound around and stretch out from respective substrate, and they seal against each other cooperation, thus limiting discharge chambe.Drive the hurricane band of a belt substrate, so as to do circular orbit motion relative to another, so that the discharge chambe volume of each restriction progressively changes, thus reaching the effect of compression fluid.
Why scroll machine is just able to extensive utilization through so long, as long as owing to the required precision of part and the balance of axial force constrain its industrialization.The vortex band requirement on machining accuracy of two belt substrates is high, and form and position tolerance is all at micron order.Modern developing by leaps and bounds of process technology just makes probability, but processing cost is still quite high.And the working chamber of scroll machine not easily implements external refrigeration, the heat difficulty of compression process is discharged, and is therefore merely able to the little gas of compression adiabatic exponent or interior cooling.Huge discharge screw compressor also is difficult to realize.Being limited by tooth depth, discharge capacity major diameter is big, and uneven gyrating mass increases, and machine is not compact and weight increases.
Summary of the invention
It is an object of the invention to provide a kind of scroll-type machinery, it has the plurality of advantages of above-mentioned scroll machine, as: simple in construction, volume are little, lightweight, volumetric efficiency is high, mechanical efficiency is high, many discharge chambes work simultaneously, and continuously, compression moment variations is steady in work；The major defect of above-mentioned scroll machine can be overcome again simultaneously.Thus providing the new type of compression machinery that a kind of cost performance is higher.
A kind of scroll-type machinery provided by the present invention, it includes: a housing, it maintains static；One rotating shaft, it is rotatably mounted on housing, has a cylindrical cavity on the rotary shaft；One scroll spring, it is arranged in the cylindrical cavity of rotating shaft, and it side contacts with the sealing bottom surface of cylindrical cavity, and simultaneously one end of scroll spring and rotating shaft are fixed together；One bias axis, its center of rotation axle is parallel with the center of rotation axle of above-mentioned rotating shaft, but it is misaligned, this bias axis is arranged on housing, one end extend in the centre bore of scroll spring, under the pressure effect of bias axis, scroll spring is pressed to side by bias so that the tangent sealing of scroll spring band adjacent turn；One end cover, it covers on rotating shaft cylindrical cavity, and it contacts with another side seal of above-mentioned scroll spring simultaneously；Such scroll spring seals with the bottom surface of cylindrical cavity and end cover respectively with the tangent sealing of adjacent turn and two sides and contacts, and limits multiple annular seal spaces that volume progressively reduces from outside to inside, and when rotating shaft rotates continuously, fluid is progressively carried inside.
Above-mentioned scroll-type machinery, obviously there is the plurality of advantages of above-mentioned scroll machine, as long as apply certain pressure at correct position simultaneously, make it easy to the tangent sealing realizing scroll spring two sides and scroll spring with adjacent turn, without significantly high machining accuracy, thus effectively reducing its manufacturing cost；After rotating shaft and end cover assemble simultaneously, peripheral space can also be used for the cooling to scroll-type machinery, ensures that it operates in the temperature range of permission；The uneven gyrating mass of this scroll-type machinery is little simultaneously, and machine relative compact can allow it run up or realize huge discharge.
Below in conjunction with drawings and Examples, the present invention is expanded on further, it is understood that, although following detailed description and particular example illustrate the preferred embodiments of the present invention, but they are merely schematic, are not meant to limitation of the scope of the invention.
Accompanying drawing explanation
Fig. 1 is the front view of the scroll-type machinery of the embodiment of the present invention 1；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the D partial view of Fig. 2；
Fig. 4 is the B-B sectional view of Fig. 2；
Fig. 5 is the E partial view of Fig. 4；
Fig. 6 is the sectional view of the scroll-type machinery of the embodiment of the present invention 2；
Fig. 7 is the G partial view of Fig. 6；
Fig. 8 is the F-F sectional view of Fig. 6.
Detailed description of the invention
Embodiment 1
With reference to accompanying drawing, like number represents identical parts in the drawings, and as shown in Figures 1 to 5, a kind of scroll-type machinery, it comprises: a housing 4, it maintains static；Many screws 22 lock that passes on left of housing 4 has left end cap 5, sealing ring 12 to be fixed on left end cap 5, and there is right end cap 1 on right side by screw 22 lock；One rotating shaft 2, it is rotatably mounted on housing 4 by two bearings 10, rotating shaft 2 is done axial location by jump ring 11, positioned by sleeve 6 and sleeve 8 between two bearings 10, rotating shaft 2 there is ring 2b to use with the combination forming a cylindrical cavity, sealing ring 9 and O 23 by screw 21 lock together with being formed, seals line；One scroll spring 34, it is arranged in the cylindrical cavity of rotating shaft 2, and it side seals with the bottom surface pad 2a of cylindrical cavity and contacts, and one end of scroll spring 34 and the ring 2b being locked on rotating shaft 2 are fixed together simultaneously；One bias axis 3, the right end cap 1 being locked on housing 4 is provided with sleeve 27, bias axis 3 is arranged in this sleeve 27, bias axis 3 is provided with seal groove for installing two sealing rings 36 simultaneously, and the central shaft of bias axis 3 is parallel with the center of rotation axle of above-mentioned rotating shaft 2, but misaligned, its one end extend in the centre bore of scroll spring 34, under the lateral pressure effect of bias axis 3, scroll spring 34 is pressed to side by bias so that the tangent sealing of scroll spring 34 adjacent turn；One end cover 7, it covers on the cylindrical cavity of rotating shaft 2, and it contacts with another side seal of above-mentioned scroll spring 34 simultaneously；The tangent sealing of scroll spring 34 adjacent turn and two sides seal with the bottom surface of cylindrical cavity and end cover respectively and contact, and limit multiple annular seal spaces that volume progressively reduces from outside to inside, and when rotating shaft 2 rotates continuously, fluid is progressively carried inside.
As shown in Figures 2 to 5, one end of above-mentioned scroll spring 34 and the fixing ring 2b being locked on rotating shaft 2 are fixed together, the other end and an axle sleeve 14 are fixed together, the set 14a of another fixed scroll spring 34 it is cased with in this axle sleeve, scroll spring 34 is wound on the peripheral helicoid of axle sleeve 14, and fix in the crack entered between axle sleeve 14 and 14a, one end of bias axis 3 extend in the endoporus of the set 14a in this axle sleeve 14, and bias axis 3 and this axle sleeve 14 can rotate against, in bias axis 3, it is provided with an outlet 3a simultaneously, is used for discharging fluid.
As shown in Figure 2 and Figure 5, at least provided with a hole on above-mentioned end cover 7, this hole is used for the bias axis 3 that grafting is above-mentioned, is sealed by sealing ring 35 between end cap 7 and bias axis 3 simultaneously, simultaneously at least provided with a breach 7b on end cover 7, this breach is directly used in suction fluid.
As shown in Figure 2 and Figure 5, one end of above-mentioned bias axis 3 extend in the endoporus of the set 14a in axle sleeve 14, bias axis 3 extend into this section of axle center in axle sleeve 14 and the axis parallel of this section of axle that bias axis 3 is rotatably mounted in sleeve 27 but misaligned, so rotate bias axis 3, i.e. the scalable bias axis 3 lateral pressure to scroll spring 34.Bias axis 3 rotates to an angle, and namely the lateral pressure of scroll spring 34 is changed by bias axis 3, and scroll spring 34 can be made to switch between the tangent sealing of adjacent turn or not tangent sealing two states；When rotating shaft 2 rotates continuously, when adjacent turn tangent sealing state, scroll-type machinery runs under being substantially full capacity, and when adjacent turn not tangent sealing state, scroll-type machinery runs under being substantially zero capacity.
As depicted in figs. 1 and 2, above-mentioned bias axis 3 or return rotate to an angle, handled by a stick 16, stick 16 is fixed together by key 26 and bias axis 3, between stick 16 and fixing shell, directly hang a spring, to ensure that bias axis 3 to the lateral pressure of scroll spring 34 or allows stick 16 handle in time pulse mode, namely with a cylinder and a valve, valve switch is handled in time pulse mode, cylinder promotes stick 16 to swing, naturally it is also possible to swing with time pulse mode direct pull stick 16 with electric magnet or motor.To regulate the capacity of this scroll-type machinery.
As shown in Figures 2 and 3, above-mentioned scroll-type machinery comprises an aerofluxus glide path and a check-valves, this aerofluxus glide path is for transmitting the compression fluid from scroll-type machinery, both fluid was sucked from suction inlet 4a, arrive interior inlet 7a, after compressing again through scroll spring 34, discharge from outlet 3a, and check-valves is arranged on the front end of the outlet 3a within glide path, to prevent high-pressure fluid reverse flow, check-valves is by the fixed cover 30 being fixed on bias axis 3 front end, movable sleeve 29, spring 31 and O 32 form, when compressing fluid and to discharge, movable sleeve 29 moves certain distance after pressing spring 31, namely compression fluid discharges；Contrary movable sleeve 29 is pressed on fixed cover 30 end face by O 32 and realizes sealing, and fluid cannot reverse flow.
As shown in Fig. 2 and Fig. 4 and Fig. 5, above-mentioned scroll-type machinery comprises a lateral pressure room, it is limited by end cover 7 and the right end cap 1 being locked on shell 4, correct position at end cover offers an aperture 7a, when making scroll-type machine work, lateral pressure room keeps certain pressure to act on end cover 7, ensure that scroll spring 34 two sides contact with the excellent sealing of end cover 7 and the bottom surface of the cylindrical cavity of rotating shaft 2, additionally also add and spring 33 is installed to increase this pressure, improve sealing effectiveness.O 24 is arranged between end cover 7 and the right end cap 1 being locked on shell 4, improves the sealing effectiveness of this lateral pressure room.
Scroll-type machinery shown in scheme 1 can arrange a steam injection system, for inject steam into above-mentioned annular seal space at least one in, this steam injection system also comprises an electromagnetic valve handled with pulse width modulation, and this electromagnetic valve is for controlling at least one that steam injects above-mentioned annular seal space.
Embodiment 2
As shown in Figure 6 to 8, embodiment 2 has similar structure with embodiment 1, and both it comprised equally: a housing 40, it maintains static；Many the screwed locks that pass on left of housing 40 have left end cap, and there is right end cap 41 on right side by screwed lock；One rotating shaft 42, it is rotatably mounted on housing 40 by two bearings, and rotating shaft 42 is done axial location by jump ring, is positioned by sleeve between two bearings, has ring 42b to form a cylindrical cavity by screwed lock on rotating shaft 42；One scroll spring 47, it is arranged in the cylindrical cavity of rotating shaft 42, and it side seals with the bottom surface pad 42a of cylindrical cavity and contacts, and one end of scroll spring 47 and the ring 42b being locked on rotating shaft 42 are fixed together simultaneously；One bias axis 43, the right end cap 41 being locked on housing 40 is provided with arrange porose, bias axis 43 is arranged in this hole, the central shaft of this bias axis 43 is parallel with the center of rotation axle of above-mentioned rotating shaft 42, but misaligned, its one end extend in the centre bore of scroll spring 47, under the lateral pressure effect of bias axis 43, scroll spring 47 is pressed to side by bias so that the tangent sealing of scroll spring 47 adjacent turn；One end cover 49, it covers on the cylindrical cavity of rotating shaft 42, and it contacts with another side seal of above-mentioned scroll spring 47 simultaneously；The tangent sealing of scroll spring 47 adjacent turn and two sides seal with the bottom surface pad 42a of cylindrical cavity and end cover bottom surface pad 45 respectively and contact, limit multiple annular seal spaces that volume progressively reduces from outside to inside, when rotating shaft 42 rotates continuously, fluid is progressively carried inside.
As shown in Figure 6 to 8, one end of above-mentioned scroll spring 47 and the fixing ring 42b being locked on rotating shaft 42 are fixed together, the other end and an axle sleeve 48 are fixed together, a needle bearing 44 it is cased with in this axle sleeve, scroll spring 47 is wound on the peripheral helicoid of axle sleeve 48, and fix around entering in the crack arranged on axle sleeve 48, one end of bias axis 43 is fixed with eccentric bushing 51 by spline 52, eccentric bushing 51 extend in the endoporus of needle bearing 44 again, in bias axis 43, it is provided with an outlet 43a simultaneously, is used for discharging fluid.
As shown in Figure 6, on above-mentioned end cover 49 except the hole being provided with the above-mentioned bias axis of grafting 43, it is additionally provided with another hole for one scution bush 50 of grafting, in scution bush 50, is provided with a suction inlet 50a, is used for sucking fluid.
As shown in Figure 6 to 8, one end of above-mentioned bias axis 43 is fixed with eccentric bushing 51, and bias axis 43 is rotatable simultaneously is fixed on right end cap 41, so rotates bias axis 43, i.e. the scalable bias axis 43 lateral pressure to scroll spring 47.Bias axis 43 rotates to an angle, and namely the lateral pressure of scroll spring 47 is changed by bias axis 43, and scroll spring 47 can be made to switch between the tangent sealing of adjacent turn or not tangent sealing two states；When rotating shaft 42 rotates continuously, when adjacent turn tangent sealing state, scroll-type machinery runs under being substantially full capacity, and when adjacent turn not tangent sealing state, scroll-type machinery runs under being substantially zero capacity..
As shown in Figure 6 and Figure 8, above-mentioned bias axis 43 or return rotate to an angle, handled by a stick 56, stick 56 is fixed together by key 55 and bias axis 43, , between stick 56 and fixing shell, directly hang a spring, to ensure that bias axis 43 to the lateral pressure of scroll spring 47 or allows stick 56 handle in time pulse mode, stick 56 is handled in time pulse mode, namely with a cylinder and a valve, valve switch is handled in time pulse mode, cylinder promotes stick 56 to swing, can certainly swing with time pulse mode direct pull stick 56 with electric magnet or motor.To regulate the capacity of this scroll-type machinery.
As shown in Figure 6 to 8, above-mentioned scroll-type machinery comprises an aerofluxus glide path and a check-valves, this aerofluxus glide path is for transmitting the compression fluid from scroll-type machinery, both fluid was sucked from suction inlet 50a, after compressing again through scroll spring 47, discharge from outlet 43a, and check-valves is arranged on the front end of the outlet 43a within glide path, to prevent high-pressure fluid reverse flow, check-valves is by the fixed cover 39 being fixed on bias axis 43 front end, movable sleeve 38, spring 53 and O 37 form, when compressing fluid and to discharge, movable sleeve 38 moves certain distance after pressing spring 53, namely compression fluid discharges；Contrary movable sleeve 38 is pressed on fixed cover 39 end face by O 37 and realizes sealing, and fluid cannot reverse flow.
As shown in Figure 6, above-mentioned scroll-type machinery comprises a lateral pressure room, it is limited by end cover 49 and the right end cap 41 being locked on shell 40, correct position at end cover offers an aperture 49a, when making scroll-type machine work, lateral pressure room keeps certain pressure to act on end cover 49, it is ensured that scroll spring 47 two sides contact with the excellent sealing of end cover 49 and the bottom surface of the cylindrical cavity of rotating shaft 42.O 57 is arranged between end cover 49 and the right end cap 41 being locked on shell 40, improves the sealing effectiveness of this lateral pressure room.
As shown in Figure 6, above-mentioned scroll-type machinery can arrange a cooling room, this cooling room is from rotating shaft 42 and fixes the cavity restriction after with part on the rotary shaft and end cover 49 and between shell 40, sealing ring 46 is for improving the opposing seal between coolant and compression fluid, coolant pours into cooling indoor from entrance 40a, after absorbing heat, then flows out from outlet 40b, when making scroll-type machine work, temperature is less than limit value.Arranging the cooling circuit comprising a temperature-sensing valve, when coolant reaches uniform temperature time, temp .-control valve starts to open at, coolant just starts the cycle over flowing, and coolant flows into cooling room, flows out cooling room after heat absorption, arrive radiator, after heat radiation, flow back to cooling room again.
Scroll-type machinery shown in scheme 2 can arrange a steam injection system, for inject steam into above-mentioned annular seal space at least one in, this steam injection system also comprises an electromagnetic valve handled with pulse width modulation, and this electromagnetic valve is for controlling at least one that steam injects above-mentioned annular seal space.
Although above-mentioned detailed description describes the preferred embodiments of the present invention, it is to be understood that without departing from scope of the following claims and whole meaning, the present invention can modify, change and conversion.
Claims (22)
1. a scroll-type machinery, it comprises:
One housing, it maintains static；
One rotating shaft, it is rotatably mounted on housing, has a cylindrical cavity on the rotary shaft；
One scroll spring, it is arranged in the cylindrical cavity of rotating shaft, and it side contacts with the sealing bottom surface of cylindrical cavity, and simultaneously one end of scroll spring and rotating shaft are fixed together；
One bias axis, it is arranged on housing, its central shaft is parallel with the center of rotation axle of above-mentioned rotating shaft, but it is misaligned, its one end extend in the centre bore of scroll spring, under the lateral pressure effect of bias axis, scroll spring is pressed to side by bias so that the tangent sealing of adjacent turn of scroll spring；
One end cover, it covers on rotating shaft cylindrical cavity, and it contacts with another side seal of above-mentioned scroll spring simultaneously；
The tangent sealing of adjacent turn of scroll spring and two sides seal with the bottom surface of cylindrical cavity and end cover respectively and contact, and limit multiple annular seal spaces that volume progressively reduces from outside to inside, and when rotating shaft rotates continuously, fluid is progressively carried inside.
2. scroll-type according to claim 1 machinery, it is characterized in that: one end and the rotating shaft of above-mentioned scroll spring are fixed together, the other end and an axle sleeve are fixed together, and one end of bias axis extend in this axle sleeve, and bias axis and this axle sleeve can rotate against.
3. scroll-type according to claim 2 machinery, is characterized in that: be provided with an outlet in above-mentioned bias axis, be used for discharging fluid.
4. scroll-type according to claim 3 machinery, is characterized in that: at least provided with a hole on above-mentioned end cover, and this hole is used for the bias axis that grafting is above-mentioned.
5. scroll-type according to claim 4 machinery, is characterized in that: at least provided with a breach on above-mentioned end cover, and this breach is directly used in and sucks fluid or arrange the passage sucking fluid.
6. scroll-type according to claim 4 machinery, it is characterized in that: one end of above-mentioned bias axis extend in axle sleeve, between bias axis and this axle sleeve, it is provided with an eccentric bushing simultaneously, this eccentric bushing and bias axis are fixed together, and can rotate relative to axle sleeve, so rotate bias axis, i.e. the scalable bias axis lateral pressure to scroll spring.
7. scroll-type according to claim 4 machinery, it is characterized in that: one end of above-mentioned bias axis extend in axle sleeve, the center of rotation that this section of axle center extending in axle sleeve is rotatably mounted on housing with bias axis is parallel but misaligned, so rotate bias axis, i.e. the scalable bias axis lateral pressure to scroll spring.
8. the scroll-type machinery according to claim 6 or 7, it is characterized in that: above-mentioned bias axis rotates to an angle, namely the lateral pressure of scroll spring is changed by bias axis, and scroll spring can be made to switch between the tangent sealing of adjacent turn or not tangent sealing two states；When rotating shaft rotates continuously, when adjacent turn tangent sealing state, scroll-type machinery runs under being substantially full capacity, and when adjacent turn not tangent sealing state, scroll-type machinery runs under being substantially zero capacity.
9. scroll-type according to claim 8 machinery, is characterized in that: above-mentioned bias axis comes or return to rotate to an angle, and by a joystick manipulation, and it is handled in time pulse mode, in order to regulate the capacity of this scroll-type machinery.
10. scroll-type according to claim 8 machinery, is characterized in that: above-mentioned bias axis comes or return to rotate to an angle, and by a joystick manipulation, hangs a spring, to ensure the bias axis lateral pressure to scroll spring between stick and housing simultaneously.
11. scroll-type according to claim 9 is mechanical, it is characterized in that: also comprise a cylinder and at least one valve, implement to handle to above-mentioned stick.
12. scroll-type according to claim 9 is mechanical, it is characterized in that: also comprise an electric magnet, implement to handle to above-mentioned stick.
13. scroll-type according to claim 11 is mechanical, it is characterized in that: described valve is electromagnetic valve, and it is handled with pulse broadband modulation system.
14. scroll-type according to claim 1 is mechanical, it is characterized in that: above-mentioned scroll-type machinery comprises an aerofluxus glide path and a check-valves, this aerofluxus glide path is for transmitting the compression fluid from scroll-type machinery, and check-valves is arranged on inside glide path, to prevent high-pressure fluid reverse flow.
15. scroll-type according to claim 1 is mechanical, it is characterized in that: above-mentioned scroll-type machinery comprises a lateral pressure room, it is limited by end cover and housing, correct position at end cap offers an aperture, when making scroll-type machine work, lateral pressure room keeps certain pressure to act on end cap, it is ensured that scroll spring two sides contact with the excellent sealing of end cover and the bottom surface of rotating shaft cylindrical cavity.
16. scroll-type according to claim 1 is mechanical, it is characterized in that: above-mentioned scroll-type machinery comprise one cooling room, this cooling room from rotating shaft and end cap with after and housing between cavity limit, cool down indoor pour into coolant, when making scroll-type machine work, temperature is less than limit value.
17. scroll-type according to claim 16 is mechanical, it is characterized in that: above-mentioned scroll-type machinery comprises a cooling circuit, when this loop starts the cycle over, coolant flows into cooling room, flow out cooling room after heat absorption, arrive radiator, after heat radiation, flow back to cooling room again.
18. scroll-type according to claim 17 is mechanical, it is characterized in that: the cooling circuit of above-mentioned scroll-type machinery comprises a temperature-sensing valve, and when coolant reaches uniform temperature time, valve is just opened, and coolant just starts the cycle over flowing.
19. scroll-type according to claim 1 is mechanical, it is characterized in that: described fluid is gas.
20. scroll-type according to claim 19 is mechanical, it is characterized in that: above-mentioned scroll-type machinery comprises a steam injection system, for inject steam into above-mentioned annular seal space at least one in, this steam injection system also comprises a valve, and this valve is for controlling at least one that steam injects above-mentioned annular seal space.
21. scroll-type according to claim 20 is mechanical, it is characterized in that: above-mentioned valve is electromagnetic valve.
22. scroll-type according to claim 21 is mechanical, it is characterized in that: above-mentioned electromagnetic valve, handle with pulse width modulation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410382639.0A CN104235018B (en) | 2014-07-29 | 2014-07-29 | A kind of scroll-type machinery |
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| CN201410382639.0A CN104235018B (en) | 2014-07-29 | 2014-07-29 | A kind of scroll-type machinery |
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| CN104235018A CN104235018A (en) | 2014-12-24 |
| CN104235018B true CN104235018B (en) | 2016-07-20 |
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| US11047389B2 (en) | 2010-04-16 | 2021-06-29 | Air Squared, Inc. | Multi-stage scroll vacuum pumps and related scroll devices |
| CN106194730B (en) * | 2016-08-19 | 2017-07-21 | 项炳海 | A kind of reciprocating-piston air pump |
| US10865793B2 (en) | 2016-12-06 | 2020-12-15 | Air Squared, Inc. | Scroll type device having liquid cooling through idler shafts |
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| EP3788262A4 (en) | 2018-05-04 | 2022-01-26 | Air Squared, Inc. | Liquid cooling of fixed and orbiting scroll compressor, expander or vacuum pump |
| US20200025199A1 (en) | 2018-07-17 | 2020-01-23 | Air Squared, Inc. | Dual drive co-rotating spinning scroll compressor or expander |
| US11067080B2 (en) | 2018-07-17 | 2021-07-20 | Air Squared, Inc. | Low cost scroll compressor or vacuum pump |
| US11530703B2 (en) | 2018-07-18 | 2022-12-20 | Air Squared, Inc. | Orbiting scroll device lubrication |
| US11473572B2 (en) | 2019-06-25 | 2022-10-18 | Air Squared, Inc. | Aftercooler for cooling compressed working fluid |
| CN111388273B (en) * | 2020-03-24 | 2021-04-27 | 吉林大学 | Upper limb rehabilitation exoskeleton based on space gravity balance |
| US11898557B2 (en) | 2020-11-30 | 2024-02-13 | Air Squared, Inc. | Liquid cooling of a scroll type compressor with liquid supply through the crankshaft |
| US11885328B2 (en) | 2021-07-19 | 2024-01-30 | Air Squared, Inc. | Scroll device with an integrated cooling loop |
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| CN104235018A (en) | 2014-12-24 |
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