KR20040084738A - 냉매 사이클 장치 - Google Patents
냉매 사이클 장치 Download PDFInfo
- Publication number
- KR20040084738A KR20040084738A KR1020040019837A KR20040019837A KR20040084738A KR 20040084738 A KR20040084738 A KR 20040084738A KR 1020040019837 A KR1020040019837 A KR 1020040019837A KR 20040019837 A KR20040019837 A KR 20040019837A KR 20040084738 A KR20040084738 A KR 20040084738A
- Authority
- KR
- South Korea
- Prior art keywords
- compression element
- pressure
- refrigerant
- discharge refrigerant
- discharge
- 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.)
- Granted
Links
- 239000002826 coolant Substances 0.000 title description 3
- 239000003507 refrigerant Substances 0.000 claims abstract description 295
- 230000006835 compression Effects 0.000 claims abstract description 256
- 238000007906 compression Methods 0.000 claims abstract description 256
- 230000005540 biological transmission Effects 0.000 claims description 28
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000003584 silencer Effects 0.000 description 7
- 238000005192 partition Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
- A46B13/026—Brushes which automatically reverse direction of rotation, e.g. using gravity switches
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
- A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
- A46B5/0091—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body promoting relative motion during use
-
- 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
- F04C18/3562—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—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 the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- 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
-
- 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
- F04C28/28—Safety arrangements; Monitoring
-
- 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
-
- 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
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/18—Pressure
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/86—Detection
-
- 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
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- 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
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration cycle
-
- 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
-
- 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
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
-
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (10)
- 밀폐 용기 내에 전동 요소와, 상기 전동 요소로 구동되는 제1 및 제2 압축 요소를 구비하고, 상기 제1 압축 요소로 압축된 중간압의 냉매 가스를 상기 제2 압축 요소에 흡인하고, 압축하여 토출하는 다단 압축식 압축기를 구비하여 냉매 회로가 구성된 냉매 사이클 장치에 있어서,상기 제1 압축 요소의 토출 냉매 압력을 검출하기 위한 센서와 상기 센서의 출력이 입력되는 제어 장치를 구비하고,상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 압력을 기초로 하여, 그 제1 압축 요소의 토출 냉매 압력과 상기 제2 압축 요소의 토출 냉매 압력의 역전을 검출하는 것을 특징으로 하는 냉매 사이클 장치.
- 제1항에 있어서, 상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 압력이 소정의 값으로 상승한 경우 상기 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력이 역전한 것으로 판단하는 것을 특징으로 하는 냉매 사이클 장치.
- 밀폐 용기 내에 전동 요소와, 상기 전동 요소로 구동되는 제1 및 제2 압축 요소를 구비하고, 상기 제1 압축 요소로 압축된 중간압의 냉매 가스를 상기 제2 압축 요소에 흡인하고, 압축하여 토출하는 다단 압축식의 압축기를 구비하여 냉매 회로가 구성된 냉매 사이클 장치에 있어서,상기 제1 압축 요소의 토출 냉매 온도를 검출하기 위한 온도 센서와, 상기 온도 센서의 출력이 입력되는 제어 장치를 구비하고,상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 온도를 기초로 하여, 그 제1 압축 요소의 토출 냉매 압력과 상기 제2 압축 요소의 토출 냉매 압력의 역전을 검출하는 것을 특징으로 하는 냉매 사이클 장치.
- 제3항에 있어서, 상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 온도가 소정의 값으로 상승한 경우, 상기 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력이 역전한 것으로 판단한 것을 특징으로 하는 냉매 사이클 장치.
- 밀폐 용기 내에 전동 요소와 상기 전동 요소로 구동되는 제1 및 제2 압축 요소를 구비하고, 상기 제1 압축 요소로 압축된 중간압의 냉매 가스를 상기 제2 압축 요소에 흡인하여, 압축하여 토출하는 다단 압축식의 압축기를 구비하여 냉매 회로가 구성된 냉매 사이클 장치에 있어서,상기 제1 압축 요소의 토출 냉매 압력을 검출하기 위한 제1 센서와, 상기 제2 압축 요소의 토출 냉매 압력을 검출하기 위한 제2 센서와, 이들 양 센서의 출력이 입력되는 제어 장치를 구비하고,상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 압력과 상기 제2 압축 요소의 토출 냉매 압력을 기초로 하여, 그 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력의 역전을 검출하는 것을 특징으로 하는 냉매 사이클 장치.
- 밀폐 용기 내에 전동 요소와, 상기 전동 요소로 구동되는 제1 및 제2 압축 요소를 구비하고, 상기 제1 압축 요소로 압축된 중간압의 냉매 가스를 상기 제2 압축 요소에 흡인하고, 압축하여 토출하는 다단 압축식의 압축기를 구비하여 냉매 회로가 구성된 냉매 사이클 장치에 있어서,상기 제1 압축 요소의 토출 냉매 온도를 검출하기 위한 제1 온도 센서와, 상기 제2 압축 요소의 토출 냉매 온도를 검출하기 위한 제2 온도 센서와, 이들 양 온도 센서의 출력이 입력되는 제어 장치를 구비하고,상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 온도와 상기 제2 압축 요소의 토출 냉매 온도를 기초로 하여, 상기 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력의 역전을 검출하는 것을 특징으로 하는 냉매 사이클 장치.
- 제6항에 있어서, 상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 온도가 상기 제2 압축 요소의 토출 냉매 온도 보다도 높아진 경우에 상기 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력이 역전된 것으로 판단하는 것을 특징으로 하는 냉매 사이클 장치.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력이 역전한 것으로 판단한 경우에 상기 냉매 회로를 구성하는 팽창 밸브의 밸브 개방도를 축소하는 것을 특징으로 하는 냉매 사이클 장치.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 제어 장치는 상기 제1 압축 요소의 토출 냉매 압력과 제2 압축 요소의 토출 냉매 압력이 역전한 것으로 판단한 경우에 상기 전동 요소의 회전수를 낮추는 것을 특징으로 하는 냉매 사이클 장치.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 냉매 회로에 봉입되는 냉매로서 이산화탄소를 이용하는 것을 특징으로 하는 냉매 사이클 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003083052A JP2004293813A (ja) | 2003-03-25 | 2003-03-25 | 冷媒サイクル装置 |
JPJP-P-2003-00083052 | 2003-03-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040084738A true KR20040084738A (ko) | 2004-10-06 |
KR100556170B1 KR100556170B1 (ko) | 2006-03-06 |
Family
ID=32821460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040019837A Expired - Fee Related KR100556170B1 (ko) | 2003-03-25 | 2004-03-24 | 냉매 사이클 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7028495B2 (ko) |
EP (1) | EP1462737A2 (ko) |
JP (1) | JP2004293813A (ko) |
KR (1) | KR100556170B1 (ko) |
CN (1) | CN1236255C (ko) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006161659A (ja) * | 2004-12-07 | 2006-06-22 | Hitachi Ltd | 冷凍サイクル装置 |
JP4899489B2 (ja) * | 2006-01-19 | 2012-03-21 | ダイキン工業株式会社 | 冷凍装置 |
JP2008089268A (ja) * | 2006-10-04 | 2008-04-17 | Sanden Corp | 車両用冷房装置 |
JP2008248865A (ja) * | 2007-03-30 | 2008-10-16 | Fujitsu General Ltd | インジェクション対応2段圧縮ロータリ圧縮機およびヒートポンプシステム |
JP4725592B2 (ja) * | 2007-05-25 | 2011-07-13 | 株式会社デンソー | 冷凍サイクル装置 |
JP4725591B2 (ja) * | 2007-05-25 | 2011-07-13 | 株式会社デンソー | 冷凍サイクル装置 |
DE102008024771B4 (de) * | 2007-05-25 | 2018-05-03 | Denso Corporation | Kältemittelkreislaufvorrichtung mit einem zweistufigen Kompressor |
DE102008024772B4 (de) * | 2007-05-25 | 2018-05-03 | Denso Corporation | Kältemittelkreislaufvorrichtung mit einem zweistufigen Kompressor |
JP2009085027A (ja) * | 2007-09-27 | 2009-04-23 | Fujitsu General Ltd | 2段圧縮ロータリ圧縮機 |
US7895003B2 (en) | 2007-10-05 | 2011-02-22 | Emerson Climate Technologies, Inc. | Vibration protection in a variable speed compressor |
US9541907B2 (en) | 2007-10-08 | 2017-01-10 | Emerson Climate Technologies, Inc. | System and method for calibrating parameters for a refrigeration system with a variable speed compressor |
US8539786B2 (en) | 2007-10-08 | 2013-09-24 | Emerson Climate Technologies, Inc. | System and method for monitoring overheat of a compressor |
US8418483B2 (en) | 2007-10-08 | 2013-04-16 | Emerson Climate Technologies, Inc. | System and method for calculating parameters for a refrigeration system with a variable speed compressor |
US8459053B2 (en) | 2007-10-08 | 2013-06-11 | Emerson Climate Technologies, Inc. | Variable speed compressor protection system and method |
US8316654B2 (en) * | 2007-11-13 | 2012-11-27 | Carrier Corporation | Refrigerating system and method for refrigerating |
JP5608991B2 (ja) * | 2009-03-12 | 2014-10-22 | ダイキン工業株式会社 | 冷凍装置及びその運転方法 |
KR101270816B1 (ko) * | 2011-08-01 | 2013-06-05 | 엘지전자 주식회사 | 공기 조화기 및 그 제어방법 |
BR112015014432A2 (pt) | 2012-12-18 | 2017-07-11 | Emerson Climate Technologies | compressor alternativo com sistema de injeção de vapor |
EP3023712A1 (en) * | 2014-11-19 | 2016-05-25 | Danfoss A/S | A method for controlling a vapour compression system with a receiver |
EP3315778B2 (en) * | 2016-10-28 | 2022-12-07 | ALMiG Kompressoren GmbH | Oil-injected screw air compressor |
EP3628940B1 (en) | 2018-09-25 | 2022-04-20 | Danfoss A/S | A method for controlling a vapour compression system based on estimated flow |
EP3628942B1 (en) | 2018-09-25 | 2021-01-27 | Danfoss A/S | A method for controlling a vapour compression system at a reduced suction pressure |
US11206743B2 (en) | 2019-07-25 | 2021-12-21 | Emerson Climate Technolgies, Inc. | Electronics enclosure with heat-transfer element |
CN114439737B (zh) * | 2022-01-13 | 2023-09-22 | 广东美的暖通设备有限公司 | 水泵的控制方法、装置、存储介质、液冷机组和制冷系统 |
CN114738334B (zh) * | 2022-03-22 | 2023-09-29 | 江苏氢枫能源装备有限公司 | 一种基于多级液压驱动的氢气压缩机控制系统的控制方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2507047B2 (ja) | 1989-05-09 | 1996-06-12 | 松下電器産業株式会社 | 2段圧縮型回転圧縮機 |
US5803716A (en) * | 1993-11-29 | 1998-09-08 | Copeland Corporation | Scroll machine with reverse rotation protection |
US7128540B2 (en) * | 2001-09-27 | 2006-10-31 | Sanyo Electric Co., Ltd. | Refrigeration system having a rotary compressor |
TW568996B (en) * | 2001-11-19 | 2004-01-01 | Sanyo Electric Co | Defroster of refrigerant circuit and rotary compressor for refrigerant circuit |
CN1318760C (zh) * | 2002-03-13 | 2007-05-30 | 三洋电机株式会社 | 多级压缩型旋转式压缩机和采用它的制冷剂回路装置 |
-
2003
- 2003-03-25 JP JP2003083052A patent/JP2004293813A/ja not_active Withdrawn
-
2004
- 2004-03-09 EP EP04005522A patent/EP1462737A2/en not_active Withdrawn
- 2004-03-10 CN CNB2004100080892A patent/CN1236255C/zh not_active Expired - Fee Related
- 2004-03-24 KR KR1020040019837A patent/KR100556170B1/ko not_active Expired - Fee Related
- 2004-03-25 US US10/808,595 patent/US7028495B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100556170B1 (ko) | 2006-03-06 |
EP1462737A2 (en) | 2004-09-29 |
US7028495B2 (en) | 2006-04-18 |
JP2004293813A (ja) | 2004-10-21 |
CN1236255C (zh) | 2006-01-11 |
CN1532474A (zh) | 2004-09-29 |
US20050126194A1 (en) | 2005-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100556170B1 (ko) | 냉매 사이클 장치 | |
KR100908376B1 (ko) | 로터리 컴프레서 | |
KR20070037306A (ko) | 냉매 압축기 및 그 냉매 압축기를 구비한 냉매 사이클 장치 | |
WO2014189093A1 (ja) | ヒートポンプ装置 | |
KR20030095240A (ko) | 초임계 냉매 사이클 장치 | |
CN101326370A (zh) | 旋转式压缩机 | |
KR102126815B1 (ko) | 냉동 장치 | |
JP2004116957A (ja) | 冷媒サイクル装置 | |
EP3273061B1 (en) | Hermetic two-stage compressor and compressor system | |
JP3983115B2 (ja) | Co2冷媒を用いた冷媒回路 | |
JP6003638B2 (ja) | 冷凍装置 | |
JP2003254276A (ja) | ロータリコンプレッサ | |
JP4278402B2 (ja) | 冷媒サイクル装置 | |
JP4241127B2 (ja) | 遷臨界冷媒サイクル装置 | |
JP4079736B2 (ja) | 冷媒サイクル装置 | |
JP3986338B2 (ja) | インバータ制御コンプレッサを用いた冷媒回路 | |
EP2322804B1 (en) | Multiple-stage compressor | |
KR20100083257A (ko) | 냉동유니트 및 히트펌프용 압축기의 역회전 방지장치 및 그제어방법 | |
JP2003201982A (ja) | ロータリコンプレッサ | |
JP2004317004A (ja) | 冷媒サイクル装置 | |
JP2004251514A (ja) | 冷媒サイクル装置 | |
JP2004251492A (ja) | 冷媒サイクル装置 | |
JP2008133968A (ja) | 冷凍サイクル装置 | |
JP2005147562A (ja) | 2段圧縮式ロータリ圧縮機並びにこれを用いたカーエアコン及びヒートポンプ式給湯装置 | |
KR20090077295A (ko) | 스크롤 압축기 및 이를 적용한 냉동사이클 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20040324 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20051126 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20060126 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20060222 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20060223 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |