CN105509360A - Novel efficient energy-saving expander for carbon dioxide and heat pump refrigeration technologies - Google Patents
Novel efficient energy-saving expander for carbon dioxide and heat pump refrigeration technologies Download PDFInfo
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- CN105509360A CN105509360A CN201610121026.0A CN201610121026A CN105509360A CN 105509360 A CN105509360 A CN 105509360A CN 201610121026 A CN201610121026 A CN 201610121026A CN 105509360 A CN105509360 A CN 105509360A
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- flange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
- F25B9/065—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders using pressurised gas jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention relates to the field of carbon dioxide and heat pump refrigeration technologies, in particular to a novel efficient energy-saving expander for carbon dioxide and heat pump refrigeration technologies. The novel efficient energy-saving expander comprises a support plate. A cylinder is arranged at the upper end of the support plate; one end of the cylinder is connected with a flange A by eight bolts A; a washer A is arranged between the cylinder and the flange A; the eight bolts A are equidistantly uniformly arranged along the circumferential direction of the flange A; a rotary shaft penetrates the middle of the flange A; an end of the rotary shaft is connected with a motor; the other end of the cylinder is connected with a flange B by eight bolts B; a washer B is arranged between the cylinder and the flange B; the eight bolts B are equidistantly uniformly arranged along the circumferential direction of the flange B; the rotary shaft penetrates the middle of the flange B; the rotary shaft is connected with a compressor after penetrating the flange B; a sealing ring is arranged on an end surface of the flange B; air inlets and exhaust ports are formed in the flange B and the washer B. The novel efficient energy-saving expander has the advantages that the novel efficient energy-saving expander is simple in structure, stable in strength, high in efficiency, free of leakage and worthy of being popularized and applied, and excellent expansion exhaust effects can be realized by the novel efficient energy-saving expander.
Description
Technical field
The present invention relates to carbon dioxide heat-pump refrigeration technology field, particularly relate to a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique.
Background technology
Carbon dioxide heat-pump cooling cycle system is primarily of compressor, decompressor, gas cooler, evaporimeter, regenerator, the compositions such as fluid reservoir, wherein carbon dioxide expanded machine is equivalent to the throttling arrangement in refrigeration air-conditioner product, it is the visual plant improving refrigerating capacity and reduce compressor power input, desired expansion machine can make systematic function improve 45%-75%, therefore, develop carbon dioxide expanded machine and become the important channel that promotion carbon dioxide trans-critical cycle moves towards practical application, research at present in the world for carbon dioxide expanded machine is few, lack research and manufacture that disclosed document describes decompressor prototype.In recent years, the cold-producing medium CFCs(CFC that air conditioner refrigerating industry is conventional) with HCFCs(HCFC) etc. material the environmental problems such as the destruction of ozone layer and greenhouse effects are become increasingly conspicuous, carbon dioxide receives increasing concern as cold-producing medium, with its excellent environmental protection characteristic, good heat transfer and flow, be reintroduced to refrigerating heat pump industry.Because the critical-temperature of carbon dioxide is lower, be a kind of gas of colorless and odorless at normal temperatures, and as one of natural materials in global biosphere, its abundance, cheap, conveniently obtain.Its ODP=0, GWP=1, and the GWP of current Substitute Working Medium HFCs as recommending and composition thereof is than carbon dioxide height 1000-2000 doubly, carbon dioxide has obvious advantage in this.The expansion process of carbon dioxide system is different from the expansion work of common gases at high pressure, and therefore, carbon dioxide refrigeration circulation needs to adopt Trans-critical cycle kind of refrigeration cycle.In industrial technology, realize CO 2 cross-critical kind of refrigeration cycle, one of them key technology replaces choke valve with decompressor exactly, but existing decompressor is due to complex structure, unstable, and precision is difficult to control, and is difficult to the requirement meeting Trans-critical cycle kind of refrigeration cycle technology.
Summary of the invention
Technical problem to be solved by this invention, it is the technical deficiency for above-mentioned existence, provide a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique, adopt the design of A packing ring, B packing ring and sealing ring can improve the sealing of device junction, avoid impacting because of Leakage Gas the performance of decompressor and operating efficiency and disturbing; Adopting the rotating shaft after running through decompressor to be connected with compressor namely by being connected with the driving shaft of compressor by the output shaft of decompressor, as a part for compressor power, outputting power can be made full use of and reclaim expansion work, efficient energy-saving; Adopt the design of pressure catch, can by regulating the degree of fiting of pressure catch and B flange in advance, i.e. the pressure of expanding gas in control cylinder, just can wash pressure catch open and realize expanding gas and discharge when the gas pressure in cylinder acquires a certain degree; Cylinder, A flange, B flange joint outer part all adopt stainless steel material manufacture can improve the service life of decompressor, and stability when ensureing that decompressor works, and the electrochemical corrosion etc. caused because of long-term work can be become; Adopt butterfly design in expansion system, air inlet and the exhaust process of the enterprising line period of rotating shaft can be engaged in by clasp, improve the operating efficiency of decompressor further; Adopt eccentric cam and catch and spring design, Liang Ge gas chamber can be formed, independently realize air inlet and exhaust process, after the eccentric cam driven by rotating shaft rotates, just can to arrange in the first chamber into carbon dioxide coolant compress, due to the continuous compression of volume after cold-producing medium transforms to the second chamber, pressure increase, just can break through pressure catch and realize expanded exhaust process, efficient quick; Adopting spring to connect catch design, making when meeting object apparatus structure simple, be convenient to assembling and change.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: comprise gripper shoe; Gripper shoe upper end is provided with cylinder; Cylinder one end is by A bolt and A Flange joint; And be provided with A packing ring between cylinder and A flange; A bolt is equidistantly evenly provided with eight on A circumference of flange direction; Run through by rotating shaft in the middle part of A flange; Rotating shaft one end and motor are interconnected; The cylinder other end is by B bolt and B Flange joint; And be provided with B packing ring between cylinder and B flange; B bolt is equidistantly evenly provided with eight on B circumference of flange direction; Run through by rotating shaft in the middle part of B flange; And the rotating shaft run through after B flange and compressor are interconnected; B end face of flange is provided with sealing ring; B flange and B packing ring are all provided with air inlet, exhaust outlet; And the exhaust outlet on B end face of flange is provided with pressure catch; Cylinder interior is provided with expansion system.
Further optimization the technical program, described cylinder, A flange, B flange joint outer part all adopt stainless steel material to make.
Further optimization the technical program, described expansion system comprises butterfly, eccentric cam, catch, spring, the first chamber, the second chamber; Butterfly side and cylinder inner wall seamless link; And butterfly one end is connected with B packing ring; The butterfly other end and eccentric cam compact siro spinning technology; Wherein eccentric cam is welded in rotating shaft; Eccentric cam side is interconnected by catch and spring; Catch is located on butterfly and is also closely between eccentric cam and A flange; Eccentric cam, catch and cylinder inner wall form the first chamber, the second chamber; Wherein the first chamber is positioned at air inlet side; Second chamber is positioned at exhaust outlet side.
Further optimization the technical program, described rotating shaft is welded to each other by reinforcement bar and clasp; Clasp and eccentric cam compact siro spinning technology.
Further optimization the technical program, is provided with circular groove in the middle part of described butterfly; And be circumferentially equidistantly provided with four rectangular through slot along circular groove around circular groove; Butterfly is provided with bar shaped blow vent close to edge; Catch one end and eccentric cam compact siro spinning technology; The catch other end is connected with baffle plate by spring; Catch runs through cylinder; And baffle plate is connected with cylinder outer wall by connecting gusset.
Further optimization the technical program, described clasp is rotationally connected after coordinating with circular groove and rectangular through slot.
Compared with prior art, the present invention has the following advantages: 1, adopt A flange and B flange design, can increase the mechanical strength of entirety during decompressor work; 2, additionally by the sealing adopting the design of A packing ring, B packing ring and sealing ring can improve device junction, avoid impacting because of Leakage Gas the performance of decompressor and operating efficiency and disturbing; 3, adopting the rotating shaft after running through decompressor to be connected with compressor namely by being connected with the driving shaft of compressor by the output shaft of decompressor, as a part for compressor power, outputting power can be made full use of and reclaim expansion work, efficient energy-saving; 4, the design of pressure catch is adopted, can by regulating the degree of fiting of pressure catch and B flange in advance, i.e. the pressure of expanding gas in control cylinder, just can wash pressure catch open and realize expanding gas and discharge when the gas pressure in cylinder acquires a certain degree; 5, cylinder, A flange, B flange joint outer part all adopt stainless steel material manufacture can improve the service life of decompressor, and stability when ensureing that decompressor works, and can avoid the electrochemical corrosion etc. that causes because of long-term work; 6, adopt butterfly design in expansion system, air inlet and the exhaust process of the enterprising line period of rotating shaft can be engaged in by clasp, improve the operating efficiency of decompressor further; 7, eccentric cam and catch and spring design is adopted, Liang Ge gas chamber can be formed, independently realize air inlet and exhaust process, after the eccentric cam driven by rotating shaft rotates, just can to arrange in the first chamber into carbon dioxide coolant compress, due to the continuous compression of volume after cold-producing medium transforms to the second chamber, pressure increase, just can break through pressure catch and realize expanded exhaust process, efficient quick; 8, spring is adopted to connect catch design, simple in the situation lower device structure meeting object, be convenient to assembling and change.
Accompanying drawing explanation
Fig. 1 is a kind of novel high-efficiency and energy-saving decompressor front view for carbon dioxide heat-pump Refrigeration Technique.
Fig. 2 is a kind of novel high-efficiency and energy-saving decompressor lateral side view for carbon dioxide heat-pump Refrigeration Technique.
Fig. 3 is a kind of novel high-efficiency and energy-saving decompressor sectional view for carbon dioxide heat-pump Refrigeration Technique.
Fig. 4 is a kind of novel high-efficiency and energy-saving decompressor cutaway view Amplified image for carbon dioxide heat-pump Refrigeration Technique.
Fig. 5 is a kind of novel high-efficiency and energy-saving expander cylinder interior view for carbon dioxide heat-pump Refrigeration Technique.
Fig. 6 is a kind of novel high-efficiency and energy-saving decompressor rotating shaft connection layout for carbon dioxide heat-pump Refrigeration Technique.
Fig. 7 is a kind of novel high-efficiency and energy-saving decompressor butterfly figure for carbon dioxide heat-pump Refrigeration Technique.
Fig. 8 is a kind of novel high-efficiency and energy-saving decompressor partial view for carbon dioxide heat-pump Refrigeration Technique.
Fig. 9 is a kind of novel high-efficiency and energy-saving decompressor wireframe for carbon dioxide heat-pump Refrigeration Technique.
In figure, 1, gripper shoe; 2, cylinder; 3, A bolt; 4, A flange; 5, A packing ring; 6, rotating shaft; 7, motor; 8, B bolt; 9, B flange; 10, B packing ring; 11, compressor; 12, sealing ring; 13, air inlet; 14, exhaust outlet; 15, pressure catch; 16, expansion system; 17, butterfly; 18, eccentric cam; 19, catch; 20, spring; 21, the first chamber; 22, the second chamber; 23, reinforcement bar; 24, clasp; 25, circular groove; 26, rectangular through slot; 27, bar shaped blow vent; 28, baffle plate; 29, gusset is connected.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with detailed description of the invention also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Detailed description of the invention one: shown in composition graphs 1-9, comprises gripper shoe 1; Gripper shoe 1 upper end is provided with cylinder 2; Cylinder 2 one end is connected with A flange 4 by A bolt 3; And be provided with A packing ring 5 between cylinder 2 and A flange 4; A bolt 3 is circumferentially equidistantly evenly provided with eight along A flange 4; Run through by rotating shaft 6 in the middle part of A flange 4; Rotating shaft 6 one end and motor 7 are interconnected; Cylinder 2 other end is connected with B flange 9 by B bolt 8; And be provided with B packing ring 10 between cylinder 2 and B flange 9; B bolt 8 is circumferentially equidistantly evenly provided with eight along B flange 9; Run through by rotating shaft 6 in the middle part of B flange 9; And run through the rotating shaft after B flange 96 to be interconnected with compressor 11; B flange 9 end face is provided with sealing ring 12; B flange 9 and B packing ring 10 are all provided with air inlet 13, exhaust outlet 14; And the exhaust outlet 14 on B flange 9 end face is provided with pressure catch 15; Cylinder 2 inside is provided with expansion system 16; Cylinder 2, A flange 4, B flange 9 joint outer part all adopt stainless steel material to make; Expansion system 16 comprises butterfly 17, eccentric cam 18, catch 19, spring 20, first chamber 21, second chamber 22; Butterfly 17 side and the seamless link of cylinder 2 inwall; And butterfly 17 one end is connected with B packing ring 10; Butterfly 17 other end and eccentric cam 18 compact siro spinning technology; Wherein eccentric cam 18 is welded in rotating shaft 6; Eccentric cam 18 side is interconnected by catch 19 and spring 20; Catch 19 is located on butterfly 17 and is also closely between eccentric cam 18 and A flange 4; Eccentric cam 18, catch 19 form the first chamber 21, second chamber 22 with cylinder 2 inwall; Wherein the first chamber 21 is positioned at air inlet 13 side; Second chamber 22 is positioned at exhaust outlet 14 side; Rotating shaft 6 is welded to each other by reinforcement bar 23 and clasp 24; Clasp 24 and eccentric cam 18 compact siro spinning technology; Circular groove 25 is provided with in the middle part of butterfly 17; And be circumferentially equidistantly provided with four rectangular through slot 26 along circular groove 25 around circular groove 25; Butterfly 17 is provided with bar shaped blow vent 27 close to edge; Catch 19 one end and eccentric cam 18 compact siro spinning technology; Catch 19 other end is connected with baffle plate 28 by spring 20; Catch 19 runs through cylinder 2; And baffle plate 28 is connected with cylinder 2 outer wall by connecting gusset 29; Clasp 24 is rotationally connected after coordinating with circular groove 25 and rectangular through slot 26.
It is inner that carbon dioxide heat-pump kind of refrigeration cycle decompressor essential core parts of the present invention are positioned at cylinder 2, see accompanying drawing 9, cylinder 2 inner chamber is divided into the first chamber 21 and the second chamber 22 by eccentric cam 18 and catch 19, eccentric cam 18 and rotating cam 17 together rotate under the drive of rotating shaft 6, just air inlet can be carried out when bar shaped blow vent 27 overlaps with air inlet 13, continue to be rotated by the drive of motor 7, and the cold-producing medium being positioned at the first chamber 21 just can transform to the second chamber 22 gradually, when eccentric cam 18 does not stop to rotate, volume in second chamber 22 is more and more less, air pressure is increasing, when acquiring a certain degree, bar shaped blow vent 27 overlaps with exhaust outlet 14, just expanded exhaust process can be realized.Rotating shaft 6 is connected namely by being connected with the driving shaft of compressor by the output shaft of decompressor with compressor 11 in addition, as a part for compressor 11 power, can make full use of outputting power and reclaim expansion work, efficient energy-saving.
The present invention designs by adopting A flange 4 and B flange 9, can increase the mechanical strength of entirety during decompressor work; Additionally by the sealing adopting the design of A packing ring 5, B packing ring 10 and sealing ring 12 can improve device junction, avoid impacting because of Leakage Gas the performance of decompressor and operating efficiency and disturbing; Adopting the rotating shaft 6 after running through decompressor to be connected with compressor 11 namely by being connected by the driving shaft of the output shaft of decompressor with compressor 11, as a part for compressor power, outputting power can be made full use of and reclaim expansion work, efficient energy-saving; Adopt the design of pressure catch 15, can by regulating the degree of fiting of pressure catch 15 and B flange 9 in advance, the i.e. pressure of expanding gas in control cylinder 2, just can wash pressure catch 15 open and realize expanding gas release when the gas pressure in cylinder 2 acquires a certain degree; Cylinder 2, A flange 4, B flange 9 joint outer part all adopt stainless steel material manufacture can improve the service life of decompressor, and stability when ensureing that decompressor works, and can avoid the electrochemical corrosion etc. that causes because of long-term work; Adopt butterfly 17 to design in expansion system 16, air inlet and the exhaust process of the enterprising line period of rotating shaft 6 can be engaged in by clasp 24, improve the operating efficiency of decompressor further; Eccentric cam 18 and catch 19 and spring 20 is adopted to design, Liang Ge gas chamber can be formed, independently realize air inlet and exhaust process, after the eccentric cam 18 driven by rotating shaft 6 rotates, just can to arrange in the first chamber 21 into carbon dioxide coolant compress, due to the continuous compression of volume after cold-producing medium transforms to the second chamber 22, pressure increase, just can break through pressure catch 15 and realize expanded exhaust process, efficient quick; Adopt spring 20 to connect catch 19 to design, simple in the situation lower device structure meeting object, be convenient to assembling and change; Described in comprehensive, apparatus of the present invention structure is simple, and intensity stabilization, easy to operate, expanded exhaust effect is good, and efficiency is high, and No leakage is worthy of popularization.
Should be understood that, above-mentioned detailed description of the invention of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (6)
1. for a novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique, it is characterized in that: comprise gripper shoe (1); Gripper shoe (1) upper end is provided with cylinder (2); Cylinder (2) one end is connected with A flange (4) by A bolt (3); And be provided with A packing ring (5) between cylinder (2) and A flange (4); A bolt (3) is circumferentially equidistantly evenly provided with eight along A flange (4); A flange (4) middle part is run through by rotating shaft (6); Rotating shaft (6) one end and motor (7) are interconnected; Cylinder (2) other end is connected with B flange (9) by B bolt (8); And be provided with B packing ring (10) between cylinder (2) and B flange (9); B bolt (8) is circumferentially equidistantly evenly provided with eight along B flange (9); B flange (9) middle part is run through by rotating shaft (6); And run through the rotating shaft (6) after B flange (9) to be interconnected with compressor (11); B flange (9) end face is provided with sealing ring (12); B flange (9) and B packing ring (10) are all provided with air inlet (13), exhaust outlet (14); And the exhaust outlet (14) on B flange (9) end face is provided with pressure catch (15); Cylinder (2) inside is provided with expansion system (16).
2. a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique according to claim 1, is characterized in that: cylinder (2), A flange (4), B flange (9) joint outer part all adopt stainless steel material to make.
3. a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique according to claim 1, is characterized in that: expansion system (16) comprises butterfly (17), eccentric cam (18), catch (19), spring (20), the first chamber (21), the second chamber (22); Butterfly (17) side and cylinder (2) inwall seamless link; And butterfly (17) one end is connected with B packing ring (10); Butterfly (17) other end and eccentric cam (18) compact siro spinning technology; Wherein eccentric cam (18) is welded in rotating shaft (6); Eccentric cam (18) side is interconnected by catch (19) and spring (20); Catch (19) is located at butterfly (17) and goes up and be closely between eccentric cam (18) and A flange (4); Eccentric cam (18), catch (19) and cylinder (2) inwall form the first chamber (21), the second chamber (22); Wherein the first chamber (21) is positioned at air inlet (13) side; Second chamber (22) is positioned at exhaust outlet (14) side.
4. a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique according to claim 1, is characterized in that: rotating shaft (6) is welded to each other by reinforcement bar (23) and clasp (24); Clasp (24) and eccentric cam (18) compact siro spinning technology.
5. a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique according to claim 3, is characterized in that: butterfly (17) middle part is provided with circular groove (25); And circular groove (25) is circumferentially equidistantly provided with four rectangular through slot (26) along circular groove (25) around; Butterfly (17) is provided with bar shaped blow vent (27) close to edge; Catch (19) one end and eccentric cam (18) compact siro spinning technology; Catch (19) other end is connected with baffle plate (28) by spring (20); Catch (19) runs through cylinder (2); And baffle plate (28) is connected with cylinder (2) outer wall by connecting gusset (29).
6. a kind of novel high-efficiency and energy-saving decompressor for carbon dioxide heat-pump Refrigeration Technique according to claim 4 or 5, is characterized in that: clasp (24) is rotationally connected after coordinating with circular groove (25) and rectangular through slot (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121026.0A CN105509360B (en) | 2016-03-04 | 2016-03-04 | A kind of energy-conservation expanding machine for carbon dioxide heat-pump Refrigeration Technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121026.0A CN105509360B (en) | 2016-03-04 | 2016-03-04 | A kind of energy-conservation expanding machine for carbon dioxide heat-pump Refrigeration Technique |
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| Publication Number | Publication Date |
|---|---|
| CN105509360A true CN105509360A (en) | 2016-04-20 |
| CN105509360B CN105509360B (en) | 2018-04-03 |
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| CN201610121026.0A Expired - Fee Related CN105509360B (en) | 2016-03-04 | 2016-03-04 | A kind of energy-conservation expanding machine for carbon dioxide heat-pump Refrigeration Technique |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419090A (en) * | 2002-12-05 | 2003-05-21 | 天津大学 | Carbon dioxide transcrisis refrigeration circulation rolling rotor energy recovery device |
| CN2593127Y (en) * | 2002-12-05 | 2003-12-17 | 天津大学 | Adjustable control device for rolling rotor decompressor |
| CN101162113A (en) * | 2007-11-02 | 2008-04-16 | 西安交通大学 | Structure of wiper decompressor for trans-critical CO2 refrigerating cycle system |
| WO2011099933A1 (en) * | 2010-02-09 | 2011-08-18 | Nanyang Technological University | Revolving vane expander |
| CN205655517U (en) * | 2016-03-04 | 2016-10-19 | 河北科技大学 | A new and effective energy -conserving expander for carbon dioxide heat pump refrigeration technology |
-
2016
- 2016-03-04 CN CN201610121026.0A patent/CN105509360B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419090A (en) * | 2002-12-05 | 2003-05-21 | 天津大学 | Carbon dioxide transcrisis refrigeration circulation rolling rotor energy recovery device |
| CN2593127Y (en) * | 2002-12-05 | 2003-12-17 | 天津大学 | Adjustable control device for rolling rotor decompressor |
| CN101162113A (en) * | 2007-11-02 | 2008-04-16 | 西安交通大学 | Structure of wiper decompressor for trans-critical CO2 refrigerating cycle system |
| WO2011099933A1 (en) * | 2010-02-09 | 2011-08-18 | Nanyang Technological University | Revolving vane expander |
| CN205655517U (en) * | 2016-03-04 | 2016-10-19 | 河北科技大学 | A new and effective energy -conserving expander for carbon dioxide heat pump refrigeration technology |
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| CN105509360B (en) | 2018-04-03 |
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