JP6578517B2 - 冷凍サイクル装置及びそれに用いられる圧縮機 - Google Patents
冷凍サイクル装置及びそれに用いられる圧縮機 Download PDFInfo
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- JP6578517B2 JP6578517B2 JP2016569127A JP2016569127A JP6578517B2 JP 6578517 B2 JP6578517 B2 JP 6578517B2 JP 2016569127 A JP2016569127 A JP 2016569127A JP 2016569127 A JP2016569127 A JP 2016569127A JP 6578517 B2 JP6578517 B2 JP 6578517B2
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
- F04C23/003—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle having complementary function
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/02—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
- F04C29/0014—Injection of a fluid in the working chamber for sealing, cooling and lubricating with control systems for the injection of the fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/806—Pipes for fluids; Fittings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/074—Details of compressors or related parts with multiple cylinders
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
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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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
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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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/025—Motor control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
図1は、本発明の一実施形態に係る単段圧縮運転時の冷凍サイクル図である。図2は、同実施形態に係る2段圧縮運転時の冷凍サイクル図である。図3は、同実施形態に係る圧縮機構部の拡大図である。図4は、同実施形態に係るロータリ圧縮機構の圧縮室の平面図である。
2 凝縮器
3 蒸発器
4 減圧器
5 インジェクション管
6 気液分離器
7 インバータ
8 制御部
11 密閉容器
12 モータ
12a ステータ
12b ロータ
13 シャフト
13a 第1偏心軸
13b 第2偏心軸
14 端子
15 貯油部
20 第1圧縮機構
21 第1圧縮室
21a 第1吸入室
21b 第1圧縮−吐出室
22 第1吐出孔
23 第1逆止弁
24 第1吐出空間
25 第1シリンダ
26 第1ピストン
27 第1ベーン
28 第1ベーン溝
29 第1バネ
30 第2圧縮機構
31 第2圧縮室
32 第2吐出孔
33 第2逆止弁
35 第2シリンダ
36 第2ピストン
38 第2ベーン溝
40 仕切り板
50 アキュームレータ
51 蓄積容器
52 導入管
53 第1接続管
54 第2接続管
60 第1フレーム
70 第2フレーム
80 接続部
90 吐出経路
91 単段圧縮連通路
92 単段圧縮吐出孔
93 第3逆止弁
94 2段圧縮連通路
95 切換弁(制御要素)
96 第1吸入経路
97 第2吸入経路
97a 上り勾配部
97b 液溜め部
Claims (6)
- 密閉容器の内部に独立した第1圧縮室及び第2圧縮室を備えた圧縮機と、
凝縮器と、減圧器と、蒸発器と、
前記減圧器で減圧された中間圧の冷媒を導くインジェクション経路と、
前記蒸発器から低圧の冷媒を前記第1圧縮室に導く第1吸入経路と、
前記蒸発器から低圧の冷媒を前記第2圧縮室に導く第2吸入経路と、
前記第1圧縮室で圧縮された中間圧の冷媒を前記第2圧縮室に導く第1連通路と、
前記第2圧縮室と前記蒸発器とを連通させる、もしくは、前記第2圧縮室と前記第1連通路とを連通させる、を選択的に切換える切換弁と、
を備え、
前記圧縮機は、
前記第1圧縮室で圧縮された冷媒が吐出される吐出空間と、
前記圧縮機の内部に位置し、前記吐出空間と前記密閉容器とを連通する第2連通路と、
前記第2連通路中に設けられた逆止弁と、
を有し、
前記インジェクション経路は、前記中間圧の冷媒を前記第2圧縮室に導き、
前記第2圧縮室と前記蒸発器とが連通しているときには、前記第1圧縮室および前記第2圧縮室にて、それぞれ単独で前記冷媒が圧縮され、
前記第2圧縮室と前記第1連通路とが連通しているときには、前記第1圧縮室で圧縮された冷媒が、さらに前記第2圧縮室で圧縮され、
前記第1圧縮室の容積と、前記第2圧縮室の容積とは、等しい容積であることを
特徴とする冷凍サイクル装置。 - 前記第2吸入経路は、前記切換弁の下流側に前記インジェクション経路との接続部を有することを特徴とする請求項1に記載の冷凍サイクル装置。
- 前記圧縮機は、シャフトに設けられ、偏心回転を行う2つの偏心軸を有し、前記2つの偏心軸は、位相が180度ずれていることを特徴とする請求項1に記載の冷凍サイクル装置。
- 前記第2吸入経路は、前記接続部と前記第2圧縮室との間に、上り勾配部を有することを特徴とする請求項2に記載の冷凍サイクル装置。
- 前記圧縮機の回転数を任意に変更するインバータ運転を行うことを特徴とする請求項1に記載の冷凍サイクル装置。
- 請求項1に記載の冷凍サイクル装置が備える圧縮機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015005642 | 2015-01-15 | ||
JP2015005642 | 2015-01-15 | ||
PCT/JP2015/005654 WO2016113785A1 (ja) | 2015-01-15 | 2015-11-12 | 冷凍サイクル装置及びそれに用いられる圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016113785A1 JPWO2016113785A1 (ja) | 2017-10-26 |
JP6578517B2 true JP6578517B2 (ja) | 2019-09-25 |
Family
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JP2016569127A Active JP6578517B2 (ja) | 2015-01-15 | 2015-11-12 | 冷凍サイクル装置及びそれに用いられる圧縮機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170350623A1 (ja) |
JP (1) | JP6578517B2 (ja) |
CN (1) | CN107110566A (ja) |
WO (1) | WO2016113785A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108119955B (zh) * | 2017-12-19 | 2019-10-25 | 珠海格力电器股份有限公司 | 空调器系统及具有其的空调器 |
CN108692478B (zh) * | 2018-05-04 | 2019-10-22 | 珠海格力电器股份有限公司 | 空调系统及空调系统的控制方法 |
CN110873213B (zh) * | 2018-08-31 | 2021-11-09 | 芜湖美的厨卫电器制造有限公司 | 燃气比例阀及燃气热水器 |
CN109340113A (zh) * | 2018-11-19 | 2019-02-15 | 珠海格力节能环保制冷技术研究中心有限公司 | 泵体组件及压缩机 |
CN113565759B (zh) * | 2021-07-28 | 2023-04-25 | 河北艾锐克斯空调有限公司 | 一种空调压缩机 |
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JPH02119689A (ja) * | 1988-10-28 | 1990-05-07 | Toshiba Corp | 圧縮機 |
JPH0420751A (ja) * | 1990-05-15 | 1992-01-24 | Toshiba Corp | 冷凍サイクル |
JP2701658B2 (ja) * | 1991-06-20 | 1998-01-21 | 三菱電機株式会社 | 空気調和装置 |
JPH11223397A (ja) * | 1998-02-06 | 1999-08-17 | Sanyo Electric Co Ltd | 冷凍冷蔵庫 |
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JP4018908B2 (ja) * | 2002-01-10 | 2007-12-05 | 株式会社日立製作所 | 冷凍空調装置 |
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JP4700624B2 (ja) * | 2005-01-04 | 2011-06-15 | 東芝キヤリア株式会社 | 冷凍サイクル装置及びロータリ式密閉型圧縮機 |
JP2007232263A (ja) * | 2006-02-28 | 2007-09-13 | Daikin Ind Ltd | 冷凍装置 |
JP2007333376A (ja) * | 2007-08-20 | 2007-12-27 | Daikin Ind Ltd | 冷凍装置 |
DK2220450T4 (da) * | 2007-11-09 | 2023-02-20 | Carrier Corp | Transportkølesystem og fremgangsmåde til anvendelse deraf |
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2015
- 2015-11-12 WO PCT/JP2015/005654 patent/WO2016113785A1/ja active Application Filing
- 2015-11-12 JP JP2016569127A patent/JP6578517B2/ja active Active
- 2015-11-12 CN CN201580072767.8A patent/CN107110566A/zh active Pending
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CN107110566A (zh) | 2017-08-29 |
WO2016113785A1 (ja) | 2016-07-21 |
US20170350623A1 (en) | 2017-12-07 |
JPWO2016113785A1 (ja) | 2017-10-26 |
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