CN1959298A - Stirling refrigerating machine being as cold source of low temperature refrigerator - Google Patents
Stirling refrigerating machine being as cold source of low temperature refrigerator Download PDFInfo
- Publication number
- CN1959298A CN1959298A CNA2006101187379A CN200610118737A CN1959298A CN 1959298 A CN1959298 A CN 1959298A CN A2006101187379 A CNA2006101187379 A CN A2006101187379A CN 200610118737 A CN200610118737 A CN 200610118737A CN 1959298 A CN1959298 A CN 1959298A
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- piston
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- red copper
- sterlin refrigerator
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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
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
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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
- F25B2309/001—Gas cycle refrigeration machines with a linear configuration or a linear motor
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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)
- Compressor (AREA)
Abstract
A Stirling refrigerator used as refrigeration source of low temperature freezer is prepared as arranging compression cavity and expansion cavity coaxially, using plate spring to support expansion piston and compression piston, applying seal structure at gap between piston and air cylinder, using a moving-magnet linear motor as driving motor of compression, setting no motor on expansion machine, applying pneumatic driving on expansion piston, using linear cut red copper ring as heat radiator, building in red copper ring in heat exchanger setting cold storage to be ring structure and arranging hole on wall of expansion cylinder to let He enter to compression cavity.
Description
Technical field:
The present invention relates to a kind of sterlin refrigerator, specifically be meant the monoblock type free piston type sterlin refrigerator that can be used for the low temperature refrigerator low-temperature receiver.
Background technology:
At present, market is more and more urgent to high efficiency, low cost, high reliability and low temperature refrigerator demand easy to use.But just to the further improvement of traditional both vapor compression throttling refrigeration refrigerator system, its effect is limited to existing a lot of technology, often can not take into account aspect the raising refrigerating efficiency the destruction of eliminating ozone layer.Thereby be necessary to seek a kind of new kind of refrigeration cycle technology, using the stirling refrigeration circulation will be the breakthrough of a germplasm as the substitute technology of existing steam throttling overlapping low-temperature refrigerator.
Sterlin refrigerator adopts the closed cycle of gas swell refrigeration, is communicated with the expansion cell valveless by compression unit to form.Adopting helium as refrigeration working medium, can not produce ozone layer and destroy, is a kind of Refrigeration Technique of extremely environmental protection; Desirable stirling refrigeration cycle efficieny equals Carnot efficiency, comparatively speaking, adopts the stirling refrigeration technology to have higher refrigerating efficiency under the cryogenic refrigeration operating mode; Monoblock type free piston stirling refrigeration machine does not have the complicated pipelines system, and compressor and decompressor integrate, and has the characteristics of compact conformation.Sterlin refrigerator also has the temperature-controlled precision height, all has higher efficient at full capacity and under the localised load, and, can control refrigerating capacity and cryogenic temperature by regulating input voltage.
Sterlin refrigerator structure proposed by the invention is the pure pneumatic β type refrigeration machine of linear electric motors driven global formula, be commonly referred to as monoblock type free piston stirling refrigeration machine, this refrigeration machine has that refrigerating capacity is big, the characteristics of oil-free lubrication, compact conformation, good reliability.
Chinese patent CN98218736.X and U.S. Pat 6546738B2 disclose employing toggle driven global formula sterlin refrigerator, its shortcoming is to adopt oil lubrication, though by selecting special envoy's encapsulant for use, can not guarantee that lubricating oil does not bring pollution to refrigeration working medium (helium), the long-time running meeting worsens the complete machine performance, and refrigerating capacity constantly reduces.Chinese patent CN1677018 discloses a kind of oil lubricating compressor of elastic membrane that adopts and has driven Stirling refrigerating system, its shortcoming is that the design and manufacturing technology of flexible sheet is difficult to solve, and the alternate motion meeting of flexible sheet produces fatigue rupture, the very difficult long-life operation that guarantees whole refrigeration machine.Patent CN1426522A and US 6327862B1 disclose the small-sized sterlin refrigerator that can be used for the low-temperature superconducting wave filter, are characterized in that regenerator is integrated in the displacer, and cryogenic temperature is a liquid nitrogen temperature, and its cold head is less, and the refrigerating capacity of complete machine is little.This sterlin refrigerator structure is not suitable for the low temperature refrigerator low-temperature receiver.
Summary of the invention:
The object of the present invention is to provide a kind of big cold sterlin refrigerator that can be used for the low temperature refrigerator low-temperature receiver.Require this sterlin refrigerator compact conformation, oil-free lubrication, refrigerating capacity is big, good reliability.
The key technology that sterlin refrigerator of the present invention adopts has: dynamic magnetic linear electric motors, annular cold accumulator, hot junction strong radiator, cold junction enhanced heat exchange device, the gap movable sealing structure that flat spring supports, the coaxial arrangement structure of compression piston and displacer.
In small-sized sterlin refrigerator, generally adopt moving-coil type linear electric motors, moving-coil type linear motor pushing force is less, and coil heat radiation difficulty is big, the lead-in wire frangibility.It is big that the dynamic magnetic linear electric motors that adopt in sterlin refrigerator of the present invention have thrust, and lead-in wire is convenient fixing, and the coil heat radiation is easy to characteristics.
To big cold sterlin refrigerator, because the silk screen quality is bigger, so the cold-storage silk screen is not suitable for being integrated in the displacer.Adopted the annular cold accumulator structure in the present invention, the annular cold accumulator assembly is installed in the expansion cylinder outside.
The hot-side heat dissipation amount of big cold sterlin refrigerator is bigger, therefore needs hot junction efficiently compact to design strong radiator.Hot junction enhance heat body is the red copper ring of line cutting, and helium flows at the channel alternating of internal-rib, and the narrow-gap channel that produces by the line cutting has improved the heat exchange area in hot junction greatly.
Because it is bigger to be used for the sterlin refrigerator refrigerating capacity of low temperature refrigerator, in order to reduce the heat transfer loss of cold junction, be provided with cold junction enhanced heat exchange device, this is the red copper ring of a line cutting, its inner ring surface is the internal-rib of line cutting, to increase the heat exchange area of cold junction helium, outer ring surface and cold head interference fit are to reduce thermal contact resistance.
Lubricating oil will make the performance of sterlin refrigerator sharply descend to the pollution of regenerator, in the present invention, piston and cylinder cooperate the gap movable sealing of adopting flat spring to support.Piston adopts duralumin to make, and its overcoat is a polytetrafluoroethylmaterial material, and cylinder jacket is the stainless steel manufacturing.The monolateral gap that guarantees cylinder and piston is 10 μ m～15 μ m.
Displacer adopts the polyimide material that oozes assorted glass dust to make, and this kind material has light weight, and thermal coefficient of expansion is little, intensity height, the characteristics that self-lubricating property is good.The gap movable sealing structure that the expansion cylinder that displacer and stainless steel are made adopts flat spring to support equally, and guarantee that the monolateral gap of expansion cylinder and displacer is 10 μ m～15 μ m.
Among the present invention, the employing coaxial arrangement of compression piston and displacer.The displacer bar passes the compression piston endoporus, and the displacer bar is with the polytetrafluoroethylene (PTFE) cover of self-lubricating outward, and keeps clearance seal with the compression piston endoporus, guarantees that the monolateral gap of displacer bar and compression piston endoporus is 10 μ m～15 μ m.Coaxial in order to guarantee displacer and compression piston, the axiality of displacer bar and displacer will reach in the 10 μ m.
The present invention has compact conformation, refrigerating efficiency height, refrigerating capacity is big and the advantage of good reliability.
Description of drawings:
Fig. 1 is a big cold sterlin refrigerator structure chart of the present invention;
Fig. 2 is annular cold accumulator figure of the present invention;
Fig. 3 is cold junction enhanced heat exchange device figure of the present invention;
Fig. 4 is expander cylinder body figure of the present invention;
Fig. 5 is decompressor casing assembly figure of the present invention.
The specific embodiment:
For understanding technical scheme of the present invention better, the specific embodiment of the present invention is described in detail bright below in conjunction with accompanying drawing:
By Fig. 1, be separation with support 16, the latter half is a compressor arrangement, the first half is a decompressor mechanism.Compressor is made up of motor, flat spring, piston body, spring support, compressor bonnet etc.
Move the magnetic linear electric motors by mover 19, stator 23, coil 18, internal magnetic pole 22 constitutes.Stator 23 is fixed on the support 16 by long spiro nail 44.Coil 18 places in the stator 23, and internal magnetic pole 22 is fixed on the support 16 by screw 45, and mover 19 connects with compression piston 14 by compression piston carriage 24.Compressor plate spring support 34 is fixed in motor stator 23 by screw 43, and decompressor flat spring support 29 is fixed on compressor plate spring support 34 by screw 33.The flexible screw 36 of crossing connects with compression piston carriage 24 in the compressor plate spring 26, and compressor plate spring 26 cylindricals are fixed in compression spring support 34 by screw 27.Displacer bar 21 stretches into by the endoporus of compression piston 14, and the head of displacer bar 21 connects with decompressor flat spring 30 endoporus by nut 32, and the cylindrical of decompressor flat spring 30 is fixed in decompressor flat spring support 29.Compressor bonnet 40 is fixed on the support 16 by screw 17, and by rubber washer 46 sealings.2 interfaces are arranged on compressor bonnet 40, and one is that to charge and discharge 39, one helium interfaces be motor down-lead outlet 38.
The decompressor part mainly is made up of annular cold accumulator, hot-side heat dissipation device, cool end heat exchanger, displacer assembly, expansion cylinder body etc.Discharging body 5 moves back and forth in expansion cylinder 41, helium in the compression chamber 15 enters hot-side heat dissipation device narrow-gap channel 9 by inclined hole 12, enter annular cold accumulator 3 afterwards, enter expansion chamber 1 by cold junction enhanced heat exchange device 4 again, thereby reach the swell refrigeration effect, refrigerating capacity passes by cold head 2.
The displacer assembly is mainly by discharging body 5, displacer lid 6, displacer bar 21 and pre-load nut 8 compositions.In order to consider quality and strength factor, the displacer bar adopts the titanium alloy manufacturing, and discharge body 5 and displacer lid 6 and adopt the polyimides manufacturing of oozing glass dust, be cavity in the middle of the discharge body 5, to alleviate the quality of displacer.
Hot-side heat dissipation device assembly mainly by line cutting red copper ring 9, form by red copper overcoat 44 and outer aluminium fin 10.Flow in the narrow-gap channel of the online cutting red copper of helium ring 9, last heat outwards dispels the heat by red copper overcoat 44 and outer aluminium fin 10.
Fig. 3 is the enlarged drawing of cold junction enhanced heat exchange device 4.
The annular cold accumulator assembly mainly is made of flow deflector 01, annular silk screen 02, overcoat 03, low head 04, interior cover 05, upper cover 06, helium passages 09 as shown in Figure 2.
The expansion cylinder body comprises inclined hole passage 51, expansion cylinder thin-wall part 52, annular cold accumulator installation step 53, hot-side heat dissipation body installation step 54, expansion cylinder top 55 as shown in Figure 4.Inclined hole passage 51 is positioned at the lower dead center of displacer and the top dead center position of compression piston, and the other end is positioned at the place, entry position of hot-side heat dissipation device helium passages.The thickness of expansion cylinder thin-wall part 52 is 0.4mm, the effect of annular cold accumulator installation step 53 is the position of stationary annular regenerator, the effect of hot-side heat dissipation body installation step 54 is to compress the expansion cylinder body by the hot-side heat dissipation device, expansion cylinder top 55 must guarantee not contact with cold head, and and guarantee to have the gap of 0.5mm～1mm between the cold head 2, make the turnover expansion chamber 1 that helium can alternation.
Cold head and hot-side heat dissipation device become an assembly as shown in Figure 5 by the silver soldering of outer thin-wall part, and outer thin-wall part 73 is connected with cold head 71 by the A welding, and outer thin-wall part 73 is connected with hot-side heat dissipation device 74 by the B welding.
The installation process of sterlin refrigerator of the present invention is as follows:
1 installs linear electric motors, and fixedly linear electric motors on support;
2 install the compression piston assembly;
3 install the compression spring support, are fitted into the compressor plate spring;
4 install decompressor flat spring support;
5 install expander cylinder;
6 install the displacer assembly;
7 install annular cold accumulator;
8 install cold head and hot-side heat dissipation device assembly;
9 install the decompressor flat spring;
10 install the compressor bonnet, and the welding motor down-lead is installed inflation inlet.
Claims (8)
1, a kind of this sterlin refrigerator of monoblock type free piston type that is used for low temperature refrigerator comprises linear compressor, the pneumatic expansion machine, and annular cold accumulator, hot-side heat dissipation device and cool end heat exchanger is characterized in that: compression chamber and expansion chamber coaxial arrangement, and the expansion piston bar passes compression piston; Compression piston and expansion piston adopt flat spring to support, and piston and cylinder wall adopt the clearance seal structure; The drive motors of compressor adopts moving-magnetic type linear motor, and expansion piston adopts aerodynamic force to drive fully, and decompressor does not partly have motor; The hot-side heat dissipation device adopts the red copper ring of line cutting; The red copper ring of the built-in line cutting of cool end heat exchanger, this red copper ring and cold head inwall adopt interference fit; Regenerator adopts loop configuration, has flow deflector and end socket and interior overcoat to form an annular cold accumulator assembly, and built-in stacked endless metal silk screen; Have the uniform gradient aperture that has on the expansion cylinder wall of expansion piston bottom dead center position, helium is by said aperture turnover compression chamber.
2, this sterlin refrigerator of monoblock type free piston type according to claim 1 is characterized in that: linear electric motors adopt the dynamic magnetic structure.
3, this sterlin refrigerator of monoblock type free piston type according to claim 1 is characterized in that: compression chamber and expansion chamber coaxial arrangement; The expansion piston bar passes the compression piston endoporus, and adopts the gap movable sealing structure.
4, monoblock type free piston type sterlin refrigerator according to claim 1 is characterized in that: regenerator adopts loop configuration, and is arranged in the outside of expansion cylinder; This annular cold accumulator mainly is made up of interior cover, overcoat, end socket, flow deflector and stacked annular woven wire.
5, this sterlin refrigerator of monoblock type free piston type according to claim 1, it is characterized in that: the hot-side heat dissipation device comprises cover and outer aluminium fin in shaft of rib in the red copper, the stainless steel, and wherein: the interior shaft of rib of red copper cuts within it wall by copper tube by line and forms longitudinal channels and constitute; Overlap and interior shaft of rib inwall interference fit in the stainless steel, and form the strip slit helium runner that seals with longitudinal channels, outer aluminium fin vertically is evenly arranged on the outer circumference surface of shaft of rib in the red copper by the welding flake aluminum.
6, this sterlin refrigerator of monoblock type free piston type according to claim 1 is characterized in that: be provided with the red copper ring structure cold junction enhanced heat exchange device of line cutting in the cold head, enlarge the cold head heat exchange area, strengthen the cold output of cold junction.
7, this sterlin refrigerator of monoblock type free piston type according to claim 1 is characterized in that: compression piston and expansion piston all adopt flat spring to support, and piston and cylinder wall all adopt the gap movable sealing structure.
8, this sterlin refrigerator of monoblock type free piston type according to claim 1 is characterized in that: have the uniform gradient aperture that has on the cylinder wall of expansion piston bottom dead center position, helium is by described aperture turnover compression chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101187379A CN1959298A (en) | 2006-11-24 | 2006-11-24 | Stirling refrigerating machine being as cold source of low temperature refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101187379A CN1959298A (en) | 2006-11-24 | 2006-11-24 | Stirling refrigerating machine being as cold source of low temperature refrigerator |
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| CN1959298A true CN1959298A (en) | 2007-05-09 |
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| CNA2006101187379A Pending CN1959298A (en) | 2006-11-24 | 2006-11-24 | Stirling refrigerating machine being as cold source of low temperature refrigerator |
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Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373109B (en) * | 2007-08-22 | 2010-06-02 | 环球冷却有限公司 | Stirling circulator |
| CN101892971A (en) * | 2010-08-06 | 2010-11-24 | 浙江大学 | Linear compressor of plate spring supporting system adopting two different types of lines |
| CN102052797A (en) * | 2010-11-26 | 2011-05-11 | 中国科学院上海技术物理研究所 | Integrated end cover structure for pushing piston of heat accumulating type refrigerating machine |
| CN101749882B (en) * | 2009-12-25 | 2012-05-30 | 河北农业大学 | Sleeve moving type Stirling refrigeration unit |
| CN102519178A (en) * | 2011-12-06 | 2012-06-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | Free piston expander |
| CN104034077A (en) * | 2014-02-24 | 2014-09-10 | 宁波华斯特林电机制造有限公司 | Stirling circulator |
| CN104819593A (en) * | 2015-04-30 | 2015-08-05 | 中国电子科技集团公司第十六研究所 | Two-stage Stirling cycle refrigerator capable of reaching liquid helium temperature range |
| CN106091460A (en) * | 2016-06-12 | 2016-11-09 | 铜陵海科锐科技有限公司 | Pressure differential formula decompressor for Cryo Refrigerator |
| CN106288480A (en) * | 2016-08-23 | 2017-01-04 | 上海理工大学 | A kind of expansion piston of filled carbon dioxide |
| CN106307698A (en) * | 2016-10-14 | 2017-01-11 | 上海朗旦制冷技术有限公司 | Human body air conditioning device adopting stirling refrigeration |
| CN107449172A (en) * | 2016-05-31 | 2017-12-08 | 住友重机械工业株式会社 | Ultra-low temperature refrigerating device |
| CN108168135A (en) * | 2018-02-21 | 2018-06-15 | 杨厚成 | A kind of acoustic energy refrigeration machine and its expansion piston |
| CN108361122A (en) * | 2018-04-09 | 2018-08-03 | 杨厚成 | A kind of expansion cylinder for sound energy power generation machine |
| CN108413705A (en) * | 2018-05-09 | 2018-08-17 | 上海理工大学 | Use the cascade back-heating type natural gas liquefaction system of pulse type sterlin refrigerator |
| CN108444131A (en) * | 2018-04-09 | 2018-08-24 | 杨厚成 | A kind of regenerator and its manufacturing method, acoustic energy refrigeration machine and the course of work for acoustic energy refrigeration machine |
| CN108444154A (en) * | 2018-04-09 | 2018-08-24 | 杨厚成 | A kind of regenerator of built-in spherical fillers |
| CN108518919A (en) * | 2018-05-09 | 2018-09-11 | 上海理工大学 | Use the tandem type natural gas liquefaction system of pulse type sterlin refrigerator |
| CN108592481A (en) * | 2018-05-09 | 2018-09-28 | 上海理工大学 | Using the multi-temperature zone refrigerator of pulse type free-piston Stirling cooler |
| CN108870793A (en) * | 2018-08-02 | 2018-11-23 | 杨厚成 | A kind of sound energy free-piston type refrigeration machine |
| CN108870792A (en) * | 2018-08-02 | 2018-11-23 | 杨厚成 | A kind of sound energy refrigerator device |
| CN109028630A (en) * | 2018-07-13 | 2018-12-18 | 上海理工大学 | A kind of wine cabinet using opposed type function recycling vascular refrigerator without friction |
| CN110107476A (en) * | 2019-04-19 | 2019-08-09 | 上海理工大学 | The error-correction structure of sterlin refrigerator linear compressor piston biasing |
| CN111089435A (en) * | 2019-11-18 | 2020-05-01 | 上海厚酷科技有限公司 | Refrigerating machine |
| CN111854212A (en) * | 2020-07-31 | 2020-10-30 | 日照华斯特林科技有限公司 | Stirling refrigerator and assembling method |
| CN111936802A (en) * | 2018-04-06 | 2020-11-13 | 住友(Shi)美国低温研究有限公司 | Heat station for cooling circulating refrigerant |
| CN112412742A (en) * | 2020-12-01 | 2021-02-26 | 辽宁工程技术大学 | Energy-saving linear compressor |
| CN112577234A (en) * | 2019-09-30 | 2021-03-30 | 日照华斯特林科技有限公司 | Portable refrigeration equipment and parallel-type Stirling refrigeration system |
| CN112902504A (en) * | 2021-03-11 | 2021-06-04 | 中国科学院上海技术物理研究所 | Throttling evaporation integrated cold head heat exchanger of extremely low temperature throttling refrigerator and manufacturing method |
| CN112964003A (en) * | 2021-01-23 | 2021-06-15 | 上海朗旦科技集团有限公司 | Control method of refrigerator using micro moving-magnetic type series two-stage linear compressor |
| CN113587481A (en) * | 2021-08-13 | 2021-11-02 | 中国科学院上海技术物理研究所 | Low-vibration integrated Stirling pneumatic refrigerator supported by moving-coil plate spring |
| CN114046611A (en) * | 2021-12-21 | 2022-02-15 | 上海超立安科技有限责任公司 | Integral Stirling refrigerating machine for low-temperature refrigerator |
| CN114396736A (en) * | 2021-08-13 | 2022-04-26 | 中国科学院上海技术物理研究所 | Large-stroke column spring-supported large-cooling-capacity integrated Stirling pneumatic refrigerator |
| CN115289712A (en) * | 2021-09-14 | 2022-11-04 | 中国科学院上海技术物理研究所 | Low-vibration integrated dual-drive Stirling refrigerator supported by plate spring |
| US11649989B2 (en) | 2018-04-06 | 2023-05-16 | Sumitomo (Shi) Cryogenics Of America, Inc. | Heat station for cooling a circulating cryogen |
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- 2006-11-24 CN CNA2006101187379A patent/CN1959298A/en active Pending
Cited By (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373109B (en) * | 2007-08-22 | 2010-06-02 | 环球冷却有限公司 | Stirling circulator |
| CN101749882B (en) * | 2009-12-25 | 2012-05-30 | 河北农业大学 | Sleeve moving type Stirling refrigeration unit |
| CN101892971A (en) * | 2010-08-06 | 2010-11-24 | 浙江大学 | Linear compressor of plate spring supporting system adopting two different types of lines |
| CN101892971B (en) * | 2010-08-06 | 2012-05-16 | 浙江大学 | Linear compressor of plate spring supporting system adopting two different types of lines |
| CN102052797B (en) * | 2010-11-26 | 2012-06-27 | 中国科学院上海技术物理研究所 | Integrated end cover structure for pushing piston of heat accumulating type refrigerating machine |
| CN102052797A (en) * | 2010-11-26 | 2011-05-11 | 中国科学院上海技术物理研究所 | Integrated end cover structure for pushing piston of heat accumulating type refrigerating machine |
| CN102519178A (en) * | 2011-12-06 | 2012-06-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | Free piston expander |
| CN102519178B (en) * | 2011-12-06 | 2013-10-02 | 中国航天科技集团公司第五研究院第五一〇研究所 | Free piston expander |
| CN104034077A (en) * | 2014-02-24 | 2014-09-10 | 宁波华斯特林电机制造有限公司 | Stirling circulator |
| CN104034077B (en) * | 2014-02-24 | 2016-09-28 | 宁波华斯特林电机制造有限公司 | A kind of Stirling circulator |
| CN104819593A (en) * | 2015-04-30 | 2015-08-05 | 中国电子科技集团公司第十六研究所 | Two-stage Stirling cycle refrigerator capable of reaching liquid helium temperature range |
| CN107449172A (en) * | 2016-05-31 | 2017-12-08 | 住友重机械工业株式会社 | Ultra-low temperature refrigerating device |
| CN107449172B (en) * | 2016-05-31 | 2020-03-10 | 住友重机械工业株式会社 | Cryogenic refrigerator |
| CN106091460B (en) * | 2016-06-12 | 2018-10-02 | 铜陵天海流体控制股份有限公司 | Pressure differential formula expanding machine for Cryo Refrigerator |
| CN106091460A (en) * | 2016-06-12 | 2016-11-09 | 铜陵海科锐科技有限公司 | Pressure differential formula decompressor for Cryo Refrigerator |
| CN106288480A (en) * | 2016-08-23 | 2017-01-04 | 上海理工大学 | A kind of expansion piston of filled carbon dioxide |
| CN106288480B (en) * | 2016-08-23 | 2018-11-13 | 上海理工大学 | A kind of expansion piston of filling carbon dioxide |
| CN106307698A (en) * | 2016-10-14 | 2017-01-11 | 上海朗旦制冷技术有限公司 | Human body air conditioning device adopting stirling refrigeration |
| CN108168135A (en) * | 2018-02-21 | 2018-06-15 | 杨厚成 | A kind of acoustic energy refrigeration machine and its expansion piston |
| US11649989B2 (en) | 2018-04-06 | 2023-05-16 | Sumitomo (Shi) Cryogenics Of America, Inc. | Heat station for cooling a circulating cryogen |
| CN111936802A (en) * | 2018-04-06 | 2020-11-13 | 住友(Shi)美国低温研究有限公司 | Heat station for cooling circulating refrigerant |
| CN108361122A (en) * | 2018-04-09 | 2018-08-03 | 杨厚成 | A kind of expansion cylinder for sound energy power generation machine |
| CN108361122B (en) * | 2018-04-09 | 2023-09-22 | 杨厚成 | Expansion cylinder for acoustic energy generator |
| CN108444131A (en) * | 2018-04-09 | 2018-08-24 | 杨厚成 | A kind of regenerator and its manufacturing method, acoustic energy refrigeration machine and the course of work for acoustic energy refrigeration machine |
| CN108444154A (en) * | 2018-04-09 | 2018-08-24 | 杨厚成 | A kind of regenerator of built-in spherical fillers |
| CN108592481B (en) * | 2018-05-09 | 2020-09-01 | 上海理工大学 | Multi-temperature-zone refrigerator adopting pulse tube type free piston Stirling refrigerator |
| CN108518919A (en) * | 2018-05-09 | 2018-09-11 | 上海理工大学 | Use the tandem type natural gas liquefaction system of pulse type sterlin refrigerator |
| CN108413705A (en) * | 2018-05-09 | 2018-08-17 | 上海理工大学 | Use the cascade back-heating type natural gas liquefaction system of pulse type sterlin refrigerator |
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| CN108592481A (en) * | 2018-05-09 | 2018-09-28 | 上海理工大学 | Using the multi-temperature zone refrigerator of pulse type free-piston Stirling cooler |
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