CN205101230U - Rotor compressor - Google Patents
Rotor compressor Download PDFInfo
- Publication number
- CN205101230U CN205101230U CN201520849809.1U CN201520849809U CN205101230U CN 205101230 U CN205101230 U CN 205101230U CN 201520849809 U CN201520849809 U CN 201520849809U CN 205101230 U CN205101230 U CN 205101230U
- Authority
- CN
- China
- Prior art keywords
- order
- slide plate
- rotor compressor
- compression unit
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a compressor technical field, in particular to rotor compressor. The utility model provides a rotor compressor, including first order compression unit, this first order compression unit includes first order roller and first order gleitbretter, and first order gleitbretter sets up in first order compression unit's gleitbretter inslot, and the head of first order gleitbretter keeps in contact with first order roller, and the back of first order gleitbretter becomes first order gleitbretter back of the body chamber with first order compression unit's gleitbretter flute profile, and the pressure of this first order gleitbretter back of the body intracavity is less than the pressure in rotor compressor's high -pressure space. The utility model discloses can reduce the contact stress of first order gleitbretter and first order roller, and then can reduce the inordinate wear of first order gleitbretter, improve rotor compressor's reliability, make it more be suitable for and use under the poor and big compression ratio condition of high pressure.
Description
Technical field
The utility model relates to Compressor Technology field, particularly a kind of rotor compressor.
Background technique
Rotor-type compressor mainly comprises the parts such as cylinder, roller, eccentric shaft, slide plate and end cap, and wherein, roller is contained on eccentric shaft and rotates along cylinder inner wall, and forms a meniscate active chamber between cylinder; Slide plate is arranged in vane slot, and its head and roller close contact, be divided into two-part by crescent shape active chamber, and slide plate is reciprocating along slide plate conduit with the rotation of roller; End cap is positioned in cylinder two ends, such end cap and cylinder inner wall, roller outer wall, point of contact and slide plate form the volume of cylinder closed, this volume size changes with roller corner difference, in volume, the pressure of gas then changes with the change of this volume size, thus completes the working procedure of compressor.
Two-stage compression refrigeration circulates, and refers to that the refrigerant vapour of from evaporator drier just will enter condenser after low pressure and high pressure two stage compression, and preferably in the middle of two stage compression, is provided with interstage cooler.
Twin-stage rotor compressor, comprise low pressure stage compression unit and high pressure stage compression unit, low pressure stage compression unit comprises low pressure stage slide plate and low pressure stage roller, high-pressure stage comprises high pressure stage slide plate and high pressure stage roller, and it can work under higher compression ratios (condensing pressure/evaporating pressure) condition.
But in actual use, compared with single stage rotor compressor, inordinate wear phenomenon more easily appears in the low pressure stage slide plate of compressor, thus the reliability of compressor is caused to reduce, the use of limit compression machine under high pressure difference and large compression ratio condition.
Inventor finds through research, the reason of the easier inordinate wear of low pressure stage slide plate of compressor is caused to be, the low pressure stage slide plate backside pressure of current compressor and the slide plate backside pressure of single stage rotor compressor are the high pressure (i.e. exhaust pressure) of compressor, so under the same conditions, the pressure equal and opposite in direction at compressor and single stage rotor compressor sliding blade back, but compared with single stage rotor compressor, the pressure of the low pressure stage slide plate head of compressor is less, so just cause the pressure difference of compressor sliding blade back and head larger, the contact stress of compressor low pressure stage slide plate and low pressure stage roller is greater than the contact stress of the slide plate of single stage rotor compressor and roller, and (contact stress of slide plate and roller determines primarily of the pressure difference of its back and head, pressure difference is larger, then the contact stress of slide plate and roller is larger), and contact stress is larger, slide plate more easily weares and teares, therefore, more easily there is inordinate wear phenomenon in the low pressure stage slide plate of compressor.
Model utility content
A technical problem to be solved in the utility model is: inordinate wear phenomenon easily appears in low pressure stage slide plate of the prior art, causes the reliability of compressor to reduce, the use of limit compression machine under high pressure difference and large compression ratio condition.
In order to solve the problems of the technologies described above, the utility model provides a kind of rotor compressor, it comprises first order compression unit, this first order compression unit comprises first order roller and first order slide plate, first order slide plate is arranged in the vane slot of first order compression unit, head and the first order roller of first order slide plate keep in touch, the back of first order slide plate and the vane slot of first order compression unit form first order slide plate and carry on the back chamber, and the pressure in this first order slide plate back of the body chamber is lower than the pressure of the high-pressure space of rotor compressor.
Alternatively, the high-pressure space of first order slide plate back of the body chamber and rotor compressor completely cuts off.
Alternatively, the communicating passage between first order slide plate back of the body chamber and the high-pressure space of rotor compressor is provided with reduction valve.
Alternatively, first order slide plate back of the body chamber is communicated with the fluid communication channels between first order compression unit and the second level compression unit of rotor compressor; And/or rotor compressor also comprises enthalpy-increasing device, first order slide plate back of the body chamber is communicated with enthalpy-increasing device.
Alternatively, first order slide plate back of the body chamber is communicated with the intermediate cavity between first order compression unit and second level compression unit.Alternatively, first order slide plate back of the body chamber is only communicated with intermediate cavity.
Alternatively, rotor compressor also comprises enthalpy-increasing device, and first order slide plate back of the body chamber is communicated with enthalpy-increasing device, and first order slide plate back of the body chamber is also communicated with the intermediate cavity between first order compression unit and second level compression unit.
Alternatively, enthalpy-increasing device comprises the first blowdown pipe, and the first blowdown pipe and first order slide plate are carried on the back chamber and be communicated with, and first order slide plate back of the body chamber is communicated with intermediate cavity by the air supply passage be arranged in rotor compressor.
Alternatively, rotor compressor also comprises enthalpy-increasing device, and enthalpy-increasing device and first order slide plate are carried on the back chamber and be communicated with, and enthalpy-increasing device is also communicated with the intermediate cavity between first order compression unit and second level compression unit.
Alternatively, enthalpy-increasing device comprises the first blowdown pipe and the second blowdown pipe, and the first blowdown pipe and first order slide plate are carried on the back chamber and be communicated with, and the second blowdown pipe is communicated with intermediate cavity.
Based on rotor compressor of the present utility model, first order slide plate carries on the back the pressure (exhaust pressure) of pressure lower than high-pressure space in chamber, thus the contact stress of first order slide plate and first order roller can be reduced, and then the inordinate wear of first order slide plate can be reduced, improve the reliability of rotor compressor, make it be more suitable for using under high pressure difference and large compression ratio condition.
By being described in detail exemplary embodiment of the present utility model referring to accompanying drawing, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 illustrates the structural representation of the rotor compressor of the utility model first embodiment.
Fig. 2 illustrates the structural representation of the rotor compressor of the utility model second embodiment.
Fig. 3 illustrates the structural representation of the rotor compressor of the utility model the 3rd embodiment.
In figure:
1, liquor separator; 11, compressor air suction mouth; 2, first order compression unit; 21, first order roller; 22, first order slide plate; 3, intermediate cavity; 4, second level compression unit; 41, second level roller; 42, second level slide plate; 5, high-pressure space; 51, exhaust outlet of compressor; 6, enthalpy-increasing device; 61, tonifying Qi increases enthalpy mouth; 62, the first blowdown pipe; 63, the second blowdown pipe.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not carrying out the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In description of the present utility model, it will be appreciated that, the noun of locality is as " front, after, on, under, left, right ", " laterally, vertically, vertically, level " and " top, the end " etc. indicated orientation or position relationship normally based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, when not doing contrary explanation, these nouns of locality do not indicate and imply the device of indication or element must have specific orientation or with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as, the noun of locality " inside and outside " refers to inside and outside the profile relative to each parts itself.
In addition, it should be noted that, use the word such as " first ", " second " to limit component; be only used to be convenient to distinguish corresponding component; as not having Stated otherwise, above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
With reference to Fig. 1-3, compressor provided by the utility model, comprise first order compression unit 2, this first order compression unit 2 comprises first order roller 21 and first order slide plate 22, first order slide plate 22 is arranged in the vane slot of first order compression unit 2, head and the first order roller 21 of first order slide plate 22 keep in touch, the back of first order slide plate 22 and the vane slot of first order compression unit 2 form first order slide plate and carry on the back chamber, and the pressure in this first order slide plate back of the body chamber is lower than the pressure of the high-pressure space 5 of rotor compressor.
Based on compressor of the present utility model, first order slide plate carries on the back the pressure (exhaust pressure) of pressure lower than high-pressure space 5 in chamber, thus the contact stress of first order slide plate and first order roller can be reduced, and then the inordinate wear of first order slide plate can be reduced, improve the reliability of rotor compressor, make it be more suitable for using under high pressure difference and large compression ratio condition.
In order to make first order slide plate carry on the back the pressure of the pressure in chamber lower than high-pressure space 5, first order slide plate back of the body chamber and high-pressure space 5 can be completely cut off; Or first order slide plate back of the body chamber is still communicated with between high-pressure space 5, but arranges reduction valve in the communicating passage of the two, first order slide plate is made to carry on the back the pressure of the pressure in chamber lower than high-pressure space 5 by reduction valve.
The utility model is not got rid of and is applicable to single stage rotor compressor, be particularly suited for the multi-stage rotor compressor of more than two-stage, for convenience, next be only described for twin-stage rotor compressor, but should be appreciated that, the principle of the multi-stage rotor compressor of more than three grades is identical with twin-stage rotor compressor.
Fig. 1-Fig. 3 respectively illustrates three embodiments of the present utility model.With reference to Fig. 1-Fig. 3, in these three embodiments, rotor compressor is twin-stage rotor compressor, it comprises two stage compression unit, i.e. first order compression unit 2 and second level compression unit 4, second level compression unit 4 is arranged at the downstream of first order compression unit 2 along fluid flow direction, wherein, first order compression unit 2 is low pressure compression unit, second level compression unit 4 is high-pressure stage, first order compression unit 2 comprises first order roller 21, first order slide plate 22 and first order vane slot, first order slide plate 22 is arranged in first order vane slot, head and the first order roller 21 of first order slide plate 22 keep in touch, and the back of first order slide plate 22 and first order vane slot form first order slide plate carries on the back chamber, pressure in this first order slide plate back of the body chamber is lower than the pressure of high-pressure space 5.
Based on these three embodiments, the first order slide plate of rotor compressor carries on the back the pressure (exhaust pressure) of pressure lower than high-pressure space 5 in chamber, thus the situation of exhaust pressure is equaled relative to prior art mesolow level slide plate backside pressure, the pressure in the first order slide plate back of the body chamber of rotor compressor shown in the utility model embodiment is less, the pressure difference of first order slide plate 22 back and head is less, first order slide plate 22 is less with the contact stress of first order roller 21, thus the inordinate wear of first order slide plate 22 can be reduced, improve the reliability of rotor compressor, it is made to be more suitable for using under high pressure difference and large compression ratio condition.
Preferably, first order slide plate back of the body chamber is communicated with the fluid communication channels between first order compression unit 2 and second level compression unit 4; And/or compressor also comprises enthalpy-increasing device 6, first order slide plate back of the body chamber is communicated with enthalpy-increasing device 6.Make first order slide plate carry on the back the pressure in chamber to be like this between the outlet pressure of first order compression unit 2 and the inlet pressure of second level compression unit 4, or for increasing enthalpy pressure, thus the pressure size ensureing first order slide plate back of the body chamber suitably and comparatively stable.
As shown in Figure 1, in the first embodiment of the present utility model, rotor compressor comprises compressor air suction mouth 11, liquor separator 1, first order compression unit 2, intermediate cavity 3, second level compression unit 4, high-pressure space 5 and exhaust outlet of compressor 51 along being set gradually by compressed fluid flowing direction.
As shown in Figure 1, the working principle of this rotor compressor shown in the first embodiment is: first order compression unit 2 is discharged to intermediate cavity 3 after compressor air suction mouth 11 suction gas completes one stage of compression, then second level compression unit 4 is discharged to high-pressure space 5 after intermediate cavity 3 suction gas completes second time compression, is discharged to refrigeration system finally by by exhaust outlet of compressor 51.
Wherein, first order compression unit 2 comprises first order roller 21, first order slide plate 22 and first order vane slot, first order slide plate 22 to be arranged in first order vane slot and can to move back and forth in this first order vane slot, the head of first order slide plate 22 remains with first order roller 21 and contacts, and its back then forms first order slide plate with first order vane slot and carries on the back chamber.Second level compression unit 4 comprises second level roller 41, second level slide plate 42 and second level vane slot, second level slide plate 42 to be arranged in the vane slot of the second level and can to move back and forth in this second level vane slot, and the head of second level slide plate 42 remains with second level roller 41 and contacts.
In order to reduce the backside pressure of first order slide plate 22, in this first embodiment, first order slide plate back of the body chamber is only communicated with intermediate cavity 3, in the present embodiment, especially by the connection arranging both communicating passage realizations between first order slide plate back of the body chamber and intermediate cavity 3, and completely cut off with high-pressure space 5, the pressure like this with regard to making first order slide plate carry on the back chamber equals the pressure of intermediate cavity 3.Because the pressure of intermediate cavity 3 is lower than exhaust pressure, therefore, in this embodiment, the pressure in first order slide plate back of the body chamber is less than exhaust pressure, pressure difference between first order slide plate 22 back and head is reduced, contact stress between first order slide plate 22 and first order roller 21 reduces, thus effectively can reduce the inordinate wear of first order slide plate 22, improve the reliability of compressor.
In an alternative embodiment, also first order slide plate back of the body chamber can be made connecting tube to realize being communicated with intermediate cavity 3 by arranging.
Fig. 2 and Fig. 3 shows two embodiments of the rotor compressor of the utility model band enthalpy-increasing device.Compared with the rotor compressor shown in the first embodiment, the rotor compressor of band enthalpy-increasing device adds enthalpy-increasing device 6, and enthalpy-increasing device 6 is provided with tonifying Qi and increases enthalpy mouth 61.The rotor compressor of this band enthalpy-increasing device 6 shown in two embodiments comprises pass and increases enthalpy and open increasing enthalpy two kinds of operating modes, and the working principle of wherein closing increasing enthalpy operating mode is identical with the first embodiment, repeats no more herein; And the working principle opening increasing enthalpy operating mode is: first order compression unit 2 is discharged to first order intermediate cavity 3 after compressor air suction mouth 11 suction gas completes one stage of compression, refrigeration system increases enthalpy mouth 61 by tonifying Qi and increasing enthalpy gas is filled into intermediate cavity 3, sucked by second level compression unit 4 after the gas of discharging from first order compression unit 2 and increasing enthalpy gas and vapor permeation, be discharged to high-pressure space 5 after completing second time compression, be then discharged to refrigeration system via exhaust outlet of compressor 51.
Particularly, as shown in Figure 2, in the second embodiment of the present utility model, enthalpy-increasing device 6 comprises the first blowdown pipe 62, this first blowdown pipe 62 and first order slide plate are carried on the back chamber and are communicated with, and first order slide plate back of the body chamber is communicated with first order intermediate cavity 3 by the air supply passage be arranged in rotor compressor, and isolated between first order slide plate back of the body chamber and high-pressure space 5.
Visible, in this second embodiment, first order slide plate back of the body chamber is only communicated with intermediate cavity 3 with enthalpy-increasing device 6, like this when rotor compressor is in out increasing enthalpy operating mode, the backside pressure of first order slide plate 22 equals to increase enthalpy pressure, increases enthalpy gas and is then filled into intermediate cavity 3, after the gas and vapor permeation of discharging with first order compression unit 2 via first order slide plate back of the body chamber and air supply passage, sucked by second level compression unit 4, complete secondary compression; And when rotor compressor is in pass increasing enthalpy operating mode, because first order slide plate back of the body chamber is communicated with intermediate cavity 3, the backside pressure of first order slide plate 22 equals the pressure of intermediate cavity 3.And no matter first order slide plate back of the body chamber increases enthalpy pressure or the pressure of intermediate cavity 3, pressure in first order slide plate back of the body chamber is all lower than exhaust pressure, therefore, this the second embodiment can reduce the backside pressure of first order slide plate 22, thus reduce the pressure difference of first order slide plate 22 back and head, reduce the contact stress of first order slide plate 22 and first order roller 21, and then reduce the inordinate wear of first order slide plate 22, improve the reliability of rotor compressor.
As described in Figure 3, in the 3rd embodiment of the present utility model, enthalpy-increasing device 6 comprises the first blowdown pipe 62 and the second blowdown pipe 63, and wherein, the first blowdown pipe 62 and first order slide plate are carried on the back chamber and be communicated with, and the second blowdown pipe 63 is communicated with intermediate cavity 3.Also namely in this embodiment, enthalpy-increasing device 6 carries on the back chamber with first order slide plate simultaneously and intermediate cavity 3 is communicated with, and identical with the second embodiment, and first order slide plate back of the body chamber still completely cuts off with high-pressure space 5, and different from the second embodiment, first order slide plate back of the body chamber is communicated with by enthalpy-increasing device 6 with intermediate cavity 3.
Visible, in the 3rd embodiment, first order slide plate back of the body chamber is communicated with enthalpy-increasing device 6 by the first blowdown pipe 62, like this when rotor compressor is in out increasing enthalpy operating mode, the backside pressure of first order slide plate 21 equals to increase enthalpy pressure, now increases enthalpy gas and is filled into intermediate cavity 3 by the second blowdown pipe 63, after the gas and vapor permeation of discharging with first order compression unit 2, sucked by second level compression unit 4, complete secondary compression; And when rotor compressor is in pass increasing enthalpy operating mode, because intermediate cavity 3 is communicated with enthalpy-increasing device 6 by the second blowdown pipe 63, therefore the pressure in enthalpy-increasing device 6 is equal with the pressure in intermediate cavity 3, and carry on the back chamber with first order slide plate be communicated with by the first blowdown pipe 61 simultaneously due to enthalpy-increasing device 6, the pressure in first order slide plate back of the body chamber equals the pressure of enthalpy-increasing device 6, therefore, the pressure in first order slide plate back of the body chamber also equals the pressure of intermediate cavity 3, and also namely the backside pressure of first order slide plate 22 equals the pressure of intermediate cavity 3.
Analyzed as can be seen from above, in the third embodiment, no matter compressor is in out to increase enthalpy operating mode or close increases enthalpy operating mode, pressure in first order slide plate back of the body chamber is all lower than exhaust pressure, and therefore, the 3rd embodiment can reduce the backside pressure of first order slide plate 22, thus reduce the pressure difference of first order slide plate 22 back and head, reduce the contact stress of first order slide plate 22 and first order roller 21, and then reduce the inordinate wear of first order slide plate 22, improve the reliability of rotor compressor.
As can be seen from above three embodiments, in order to reduce the backside pressure of first order slide plate 22, first order slide plate can be made to carry on the back chamber be communicated with the intermediate cavity 3 between first order compression unit 2 and second level compression unit 4, for the compressor of band enthalpy-increasing device, first order slide plate can be made to carry on the back chamber be communicated with enthalpy-increasing device 6, in order to ensure the increasing enthalpy gas compensation function of enthalpy-increasing device 6 simultaneously, then can take to make enthalpy-increasing device 6 to be directly communicated with intermediate cavity 3 and enthalpy-increasing device 6 carries on the back chamber and the technological means such as intermediate cavity 3 is communicated with by first order slide plate.
The foregoing is only exemplary embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a rotor compressor, comprise first order compression unit (2), described first order compression unit (2) comprises first order roller (21) and first order slide plate (22), described first order slide plate (22) is arranged in the vane slot of described first order compression unit (2), head and the described first order roller (21) of described first order slide plate (22) keep in touch, it is characterized in that, the back of described first order slide plate (22) and the vane slot of described first order compression unit (2) form first order slide plate and carry on the back chamber, pressure in described first order slide plate back of the body chamber is lower than the pressure of the high-pressure space (5) of described rotor compressor.
2. rotor compressor according to claim 1, is characterized in that, the high-pressure space (5) of described first order slide plate back of the body chamber and described rotor compressor completely cuts off.
3. rotor compressor according to claim 1, is characterized in that, the communicating passage between described first order slide plate back of the body chamber and the high-pressure space (5) of described rotor compressor is provided with reduction valve.
4. rotor compressor according to claim 1 and 2, it is characterized in that, described first order slide plate back of the body chamber is communicated with the fluid communication channels between described first order compression unit (2) and the second level compression unit (4) of described rotor compressor; And/or described rotor compressor also comprises enthalpy-increasing device (6), described first order slide plate back of the body chamber is communicated with described enthalpy-increasing device (6).
5. rotor compressor according to claim 4, is characterized in that, described first order slide plate back of the body chamber is communicated with the intermediate cavity (3) between described first order compression unit (2) and described second level compression unit (4).
6. rotor compressor according to claim 5, is characterized in that, described first order slide plate back of the body chamber is only communicated with described intermediate cavity (3).
7. rotor compressor according to claim 4, it is characterized in that, described rotor compressor also comprises enthalpy-increasing device (6), described first order slide plate back of the body chamber is communicated with described enthalpy-increasing device (6), and described first order slide plate back of the body chamber is also communicated with the intermediate cavity (3) between described first order compression unit (2) and the second level compression unit (4) of described rotor compressor.
8. rotor compressor according to claim 7, it is characterized in that, described enthalpy-increasing device (6) comprises the first blowdown pipe (62), described first blowdown pipe (62) is carried on the back chamber with described first order slide plate and is communicated with, and described first order slide plate back of the body chamber is communicated with described intermediate cavity (3) by the air supply passage be arranged in described rotor compressor.
9. rotor compressor according to claim 4, it is characterized in that, described rotor compressor also comprises enthalpy-increasing device (6), described enthalpy-increasing device (6) is carried on the back chamber with described first order slide plate and is communicated with, and described enthalpy-increasing device (6) is also communicated with the intermediate cavity (3) between described first order compression unit (2) and the second level compression unit (4) of described rotor compressor.
10. rotor compressor according to claim 9, it is characterized in that, described enthalpy-increasing device (6) comprises the first blowdown pipe (62) and the second blowdown pipe (63), described first blowdown pipe (62) is carried on the back chamber with described first order slide plate and is communicated with, and described second blowdown pipe (63) is communicated with described intermediate cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849809.1U CN205101230U (en) | 2015-10-28 | 2015-10-28 | Rotor compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849809.1U CN205101230U (en) | 2015-10-28 | 2015-10-28 | Rotor compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101230U true CN205101230U (en) | 2016-03-23 |
Family
ID=55517012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520849809.1U Active CN205101230U (en) | 2015-10-28 | 2015-10-28 | Rotor compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201838A (en) * | 2015-10-28 | 2015-12-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor compressor |
-
2015
- 2015-10-28 CN CN201520849809.1U patent/CN205101230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201838A (en) * | 2015-10-28 | 2015-12-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3568466A (en) | Refrigeration system with multi-stage throttling | |
| AU2012376626B2 (en) | Compressor, air conditioner system comprising the compressor and heat pump water heater system | |
| US11713888B2 (en) | Compressor and air conditioner system | |
| CN104454544B (en) | Twin-tub rotation-type compressor and the refrigerating plant with it | |
| CN104632581B (en) | Double-cylinder two-stage compressor and air conditioner system | |
| CN105241125A (en) | Compressor, refrigeration system and method for lowering temperature and adding gas for compressor | |
| CN203335407U (en) | Single-cylinder two-stage compression pump body and compressor | |
| CN100424442C (en) | Screw compressor and freezer | |
| CN103375953B (en) | Gas-liquid separator and there is its air-conditioning system | |
| CN105443384A (en) | Compressor, control method thereof and air conditioner | |
| CN102628440B (en) | With three air bleeding valves and discharge-pressure refrigerant is drained into back pressure chamber screw compressor | |
| CN205101230U (en) | Rotor compressor | |
| CN205858673U (en) | Compressor and there is its air-conditioner | |
| CN105443385B (en) | Two-stage enthalpy-increase compressor and air conditioner | |
| CN202900660U (en) | Dual-rotor two-stage enthalpy increasing compressor, air conditioner and heat pump water heater | |
| CN103807175A (en) | Dual-rotor two-stage enthalpy increasing compressor, air conditioner and heat pump water heater | |
| CN105508246B (en) | A kind of rolling rotor-type double-stage compressor | |
| CN110285060A (en) | Compressor and air-conditioning system with multiple gas supplementary structure | |
| CN105201838A (en) | Rotor compressor | |
| CN205136014U (en) | Oval rotor rotary compressor of vertical totally closed doublestage | |
| CN205207179U (en) | Compressor and air conditioner | |
| CN209278127U (en) | Compressor | |
| CN209370058U (en) | Sliding-vane air compressor oil tank oil oil return system | |
| US11614087B2 (en) | Compressor having intermediate passage capable of conveying accumulated oil to a second compression part and air conditioner including same | |
| CN208950878U (en) | Compressor with rolling rotor and air-conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |