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TWM404362U - High-temperature cold/hot dual-function energy-saving heat pump equipment - Google Patents

High-temperature cold/hot dual-function energy-saving heat pump equipment Download PDF

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Publication number
TWM404362U
TWM404362U TW099224471U TW99224471U TWM404362U TW M404362 U TWM404362 U TW M404362U TW 099224471 U TW099224471 U TW 099224471U TW 99224471 U TW99224471 U TW 99224471U TW M404362 U TWM404362 U TW M404362U
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TW
Taiwan
Prior art keywords
refrigerant
cold
pipeline
mixed
evaporator
Prior art date
Application number
TW099224471U
Other languages
Chinese (zh)
Inventor
Cheng-Chun Lee
Original Assignee
Cheng-Chun Lee
Kao Hung Yuan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cheng-Chun Lee, Kao Hung Yuan filed Critical Cheng-Chun Lee
Priority to TW099224471U priority Critical patent/TWM404362U/en
Publication of TWM404362U publication Critical patent/TWM404362U/en
Priority to US13/287,164 priority patent/US20120151955A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/02Heat pumps of the compression type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/04Details of condensers
    • F25B2339/047Water-cooled condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Description

M404362 五、新型說明: 【新型所屬之技術領域】 本創作有關一種高溫冷熱雙效節能熱泵設備,尤指一種利用 R-134a冷媒混合R24S冷媒或論冗冷媒進行製熱與製冷之高溫 冷熱雙效節能熱泵設備。 【先前技術】 . 目前工業與商業等產業中已冷熱回收交麟備,以利用 # 冷媒進行製冷與製熱。-般冷熱回收交換設備主要由壓縮懸送 出高壓高溫氣態冷媒’再通過冷凝器進行熱交換帶走潛熱量,而 相對於冷㈣之進出水進行㈣,以提高出水溫度成為熱水。同 時氣態冷媒發生相S變化成為高壓高溫絲冷媒,並且繼續降溫 至過冷卻狀態。 隨即液4冷媒經由膨糊,而通過蒸發器進行製冷作用,使 液態冷媒吸收蒸發器之進出水(或相對空間氣流)的熱量,以降低 罄出水溫度成為冷水或冰水。同時液態冷媒蒸發成氣態而被壓縮 , 機吸入及往外壓送。 現今冷熱錢設備雖然關兼具熱水機與冰水機或空調 機功能,並且節省能源。惟其壓縮機與冷凝器因為使用R22或 R-ma等單-種冷雜態下,且冷縣聽力不足,及冷凝界熱 交換結構时’以致冷妓之缺糾水溫度未達理想,而相對 影響冷熱回收節能功效,因此私寺進—步創作改良。 【新型内容】 3 M404362 本創作之主要目的暨功效在於,熱泵設備以壓縮機壓送出 R-134a冷媒混合R245冷媒或R407C冷媒,混合冷媒壓力為 24〜30kg/cm2G,溫度為攝氏80〜125度,冷凝器之熱交換出水溫度 為攝氏45〜98度,使本創作熱泵設備能夠更提高冷熱雙效節能效 率,兼具熱水機、冰水機與空調機功能,並且增進使用功效。 為達上揭目的,本創作高溫冷熱雙效節能熱泵設備包含有一 麼縮機壓送出混合冷媒,以依序通過第一管路、冷凝器、第二管 路、膨脹閥、第二官路及蒸發器,再經由第四管路吸送入壓縮機;應 該混合冷媒至少含有第一冷媒混合第二冷媒,第一管路内之混合 冷媒壓力為24〜3Gkg/em2G,溫度為攝氏如〜⑵度,以通過冷凝器 進行製熱’使冷凝n之熱交換出水溫度域氏45〜98度;混合冷 媒依序經由第二管路、膨闕、第三管路及翻^,以對蒸發器 之冷介質進行製冷。 於較佳實施例中,該混合冷媒之第一冷媒及第二冷媒為幻地 冷媒或R245冷媒或R407C冷媒。 _ 於較佳實施例中,該混合冷媒含有第一冷媒混合第二冷媒… 第三冷媒,第-、二、三冷媒為Rl34a冷媒、娜冷媒與謂c 冷媒。 於較佳實施例中,該第一管路内之冷媒壓力為2邊g^G, =為攝氏9G〜11G度。又,該蒸發器可設為冰水機或空調機。 【貫施方式】 有關本創作為達成上述目的 所採用之技術手段及其功效, 4 茲舉出可行實施例,並且配合圖式說明如下: 首先,請參㈣1及2圖,本創作高溫冷熱雙效節能熱泉設 備主要作為工類、商業黯住钱冷翻收交換設備,以兼具 熱水機、冰水機或空調機舰。如圖巾柄,本創作高溫冷熱雙 效節能絲設備包含有-壓縮機i壓送出R_134a冷媒混合R245 冷媒或R407C冷媒’以依序通過第—管路2、冷凝器3、第二管 路4、膨關5、第三管路6及蒸發器7,再經由第四管路㈣ 送入壓縮機1 ’以繼續循環往外壓送及回收吸人。於圖式較佳實 施例中’將冷凝器3設為熱水機,喊發器7則設為冰水機。 於第1及2_示之高溫冷熱雙效節能熱泵設備中,由壓縮 機1壓送出R-134a冷媒鹿合R245冷媒或R407C冷媒作為混合冷 媒,以依序通過第-管路2、冷凝器3,..,此時第一管路2内之 冷媒壓力為Μ〜3GkgWG,溫度為攝氏ία度,⑽過管殼式 或板式冷凝器3對其熱介質9 (水)進行製熱,使冷凝器3之熱 交換出水溫度能夠為攝氏45〜98度,以符合實際使兩需要,隨即 混合冷媒依序經由第二管路4、膨脹閥5、第三管路6及蒸發器 7 ’以對蒸發器7之冷介質1〇 (冷水)進行製冷,而成為更低 冰水或冷水。 本創作熱泵設備利用混合冷媒至少含有第一冷媒混合第二冷 媒及/或第二冷媒’而實際上第__冷媒及第二冷媒可為⑽如冷媒 與R245冷媒,或為Ri34a冷媒與R407C冷媒。除此之外,混合 冷媒更可含有第一冷媒混合第二冷媒、第三冷媒,第一、二、三 M404362 冷媒可為R134a冷媒、R245冷媒與R4〇7C冷媒,使熱泵設備能夠 更大幅度提南冷熱雙效節能效率,兼具熱水機、冰水機與空調機 功能,並且增進使用功效。 繼續說明本創作高溫冷熱雙效節能熱泵設備設計,如第1及 2圖所示’由壓縮機1壓送出混合冷媒,以依序通過第一管路2、 冷凝器3、第二管路4、膨脹閥5、第三管路6、蒸發器7及第 四管路8。於較佳實施例中,第一管路2内之混合冷媒壓力可為 26〜28kg/cm2G ’而混合冷媒溫度為攝氏9〇〜;i丨〇度,使冷凝器3於 · 入水常溫狀態時’其出水溫度能夠達到攝氏45〜98度。隨即第二 管路4内之混合冷媒壓力約為24〜26kg/cm2G,混合冷媒溫度約攝 氏40〜85度;第三管路6内之混合冷媒壓力約為丨.〇〜3 0kg/cm2G, 溫度約攝氏2度;而第四管路8内之混合冷媒壓力約為 1,0〜3.0kg/cm2G,溫度約攝氏2〜7度。 於第3圖所示之較佳實施例中,同樣使用壓縮機1壓送出混 合冷媒,以依序通過第一管路2、冷凝器3、第二管路4、膨脹鲁 閥5、第三管路6及蒸發器11,再經由第四管路8吸送入壓縮. 機1 ’其中之蒸發器11可配合風扇13構成空調機,使冷媒對 於蒸發器11之冷介質12 (空氣)進行製冷。 本創作熱泵設備由壓縮機壓送出R-134a冷媒混合R245冷媒 或R407C冷媒,使混合冷媒壓力為24~30kg/cm2G,溫度為攝氏 80〜125度’以通過冷凝器進行製熱’而且使冷凝器之熱交換出水 溫度為攝氏45〜98度;混合冷媒再依序經由膨脹閥及蒸發器,以 6 M404362 行製冷;使本創作熱栗設備能夠更提高冷熱 规“料,兼具熱水機、冰 用功效,歧法提出新型專辦請/…賴力⑻,並且增進使 種簡 在:舉實施例僅用為方便說明本創作,而並非加以限制, 在不離本創作精神範嘴,熟悉此一行業技藝人士所可作之各 易變化與修飾,均仍應含括於以下申請專利範圍中。 【圖式簡單說明】 第1 圖係本創作較佳實_高溫冷錢效節能餘設備系統 置圖; 配 第2圖係如第1 _佳實補高溫冷熱雙效節能熱泵設備系统 方塊圖; 第3圖係本創作另一較佳實施例高溫冷熱雙效節能熱泵設備系 統配置圖。 【主要元件符號說明】M404362 V. New description: [New technical field] This creation is related to a high-temperature hot and cold double-effect energy-saving heat pump equipment, especially a high-temperature hot and cold double effect of heating and cooling using R-134a refrigerant mixed R24S refrigerant or chilling medium. Energy-saving heat pump equipment. [Prior Art] At present, industrial and commercial industries have been hot and cold, and they have been used for refrigeration and heating. The cold-hot heat recovery exchange equipment mainly consists of compressing and suspending high-pressure high-temperature gaseous refrigerants, and then performing heat exchange through the condenser to remove the latent heat, and performing (four) relative to the cold (four) inlet and outlet water to increase the outlet water temperature to become hot water. At the same time, the gaseous phase of the gaseous refrigerant changes to become a high-pressure high-temperature silk refrigerant, and continues to cool down to a supercooled state. Immediately after the liquid 4 refrigerant is swelled, the refrigerant is cooled by the evaporator, so that the liquid refrigerant absorbs the heat of the inlet and outlet water (or the relative space flow) of the evaporator to lower the temperature of the effluent water into cold water or ice water. At the same time, the liquid refrigerant evaporates into a gaseous state and is compressed, and the machine is sucked in and out. Today's hot and cold money equipment has the functions of a hot water machine and a chiller or an air conditioner, and saves energy. However, because the compressor and the condenser use a single cold type such as R22 or R-ma, and the cold county has insufficient hearing, and the heat exchange structure of the condensation boundary, the temperature of the cold water is not ideal, but the relative temperature is not ideal. Affecting the energy-saving effect of cold and heat recovery, so the private temple is step by step to create and improve. [New content] 3 M404362 The main purpose and effect of this creation is that the heat pump equipment uses the compressor to send R-134a refrigerant mixed with R245 refrigerant or R407C refrigerant. The pressure of the mixed refrigerant is 24~30kg/cm2G, and the temperature is 80~125 degrees Celsius. The temperature of the heat exchange water of the condenser is 45 to 98 degrees Celsius, which enables the heat pump equipment of the present invention to further improve the energy efficiency of the hot and cold double effect, and has the functions of the hot water machine, the ice water machine and the air conditioner, and enhances the use efficiency. In order to achieve the goal, the high-temperature hot and cold double-effect energy-saving heat pump equipment of the present invention includes a shrinking machine to send out the mixed refrigerant to sequentially pass the first pipeline, the condenser, the second pipeline, the expansion valve, the second official road and The evaporator is sucked into the compressor through the fourth pipeline; the mixed refrigerant should contain at least the first refrigerant mixed with the second refrigerant, and the mixed refrigerant pressure in the first pipeline is 24~3Gkg/em2G, and the temperature is Celsius such as ~(2) Degree, in order to heat through the condenser 'the heat of the condensation n is exchanged out of the water temperature range of 45 to 98 degrees; the mixed refrigerant is sequentially passed through the second line, the expansion, the third line and the turn to the evaporator The cold medium is used for cooling. In a preferred embodiment, the first refrigerant and the second refrigerant of the mixed refrigerant are a magical refrigerant or an R245 refrigerant or an R407C refrigerant. In a preferred embodiment, the mixed refrigerant contains a first refrigerant mixed with a second refrigerant. The third refrigerant, the first, second, and third refrigerants are Rl34a refrigerant, naphthalene refrigerant, and c-coolant. In a preferred embodiment, the pressure of the refrigerant in the first line is 2 sides g^G, = 9 G to 11 G degrees Celsius. Further, the evaporator can be set as a chiller or an air conditioner. [Comprehensive method] For the technical means and functions of this creation to achieve the above objectives, 4 Illustrative examples are given, and the following diagrams are described as follows: First, please refer to (4) 1 and 2, the creation of high temperature hot and cold double The energy-saving hot spring equipment is mainly used as a cold-receiving exchange equipment for industrial and commercial use, and has a hot water machine, an ice water machine or an air-conditioning machine. As shown in the towel handle, the creation of high-temperature hot and cold double-effect energy-saving silk equipment includes - compressor i pressure to send R_134a refrigerant mixed R245 refrigerant or R407C refrigerant 'in order through the first pipeline 2, condenser 3, the second pipeline 4 , swell 5, the third line 6 and the evaporator 7, and then sent to the compressor 1 ' via the fourth line (4) to continue to circulate and send and recover. In the preferred embodiment of the drawings, the condenser 3 is set to a hot water machine, and the shouter 7 is set to a water chiller. In the high-temperature hot and cold double-effect energy-saving heat pump apparatus shown in the first and second embodiments, the compressor 1 presses the R-134a refrigerant deer R245 refrigerant or the R407C refrigerant as a mixed refrigerant, and sequentially passes through the first pipe 2 and the condenser. 3,.., at this time, the refrigerant pressure in the first line 2 is Μ~3GkgWG, the temperature is ία degrees, (10) the shell-and-plate or plate condenser 3 heats the heat medium 9 (water), so that The temperature of the heat exchange water of the condenser 3 can be 45 to 98 degrees Celsius to meet the actual needs, and then the mixed refrigerant is sequentially passed through the second line 4, the expansion valve 5, the third line 6 and the evaporator 7' The cold medium 1 (cold water) of the evaporator 7 is cooled to become lower ice water or cold water. The heat pump device of the present invention uses the mixed refrigerant to contain at least the first refrigerant mixed with the second refrigerant and/or the second refrigerant'. In fact, the first refrigerant and the second refrigerant may be (10) such as refrigerant and R245 refrigerant, or Ri34a refrigerant and R407C refrigerant. . In addition, the mixed refrigerant may further contain the first refrigerant mixed with the second refrigerant and the third refrigerant, and the first, second and third M404362 refrigerants may be R134a refrigerant, R245 refrigerant and R4〇7C refrigerant, so that the heat pump equipment can be further increased. The heating and cooling efficiency of the heating and heat effect of the South is combined with the functions of the hot water machine, the ice water machine and the air conditioner, and the use efficiency is enhanced. Continue to explain the design of the high-temperature hot and cold double-effect energy-saving heat pump equipment. As shown in Figures 1 and 2, the mixed refrigerant is sent by the compressor 1 to pass through the first pipeline 2, the condenser 3, and the second pipeline 4 in sequence. The expansion valve 5, the third line 6, the evaporator 7, and the fourth line 8. In a preferred embodiment, the pressure of the mixed refrigerant in the first line 2 may be 26 to 28 kg/cm 2 G ' and the temperature of the mixed refrigerant is 9 摄 ; ; ; ; , , , , 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器 冷凝器'The water temperature can reach 45 to 98 degrees Celsius. Then, the pressure of the mixed refrigerant in the second line 4 is about 24 to 26 kg/cm2G, and the temperature of the mixed refrigerant is about 40 to 85 degrees Celsius; the pressure of the mixed refrigerant in the third line 6 is about 丨.〇~3 0kg/cm2G, The temperature is about 2 degrees Celsius; and the mixed refrigerant pressure in the fourth line 8 is about 1,0 to 3.0 kg/cm2G, and the temperature is about 2 to 7 degrees Celsius. In the preferred embodiment shown in FIG. 3, the compressor 1 is also used to pressurize the mixed refrigerant to sequentially pass through the first conduit 2, the condenser 3, the second conduit 4, the expansion Lu valve 5, and the third. The line 6 and the evaporator 11 are sucked into the compressor via the fourth line 8. The evaporator 11 of the machine 1 can be combined with the fan 13 to form an air conditioner, so that the refrigerant is supplied to the cold medium 12 (air) of the evaporator 11. Refrigeration. The heat pump equipment of the present invention is sent by the compressor to send R-134a refrigerant mixed with R245 refrigerant or R407C refrigerant, so that the pressure of the mixed refrigerant is 24~30kg/cm2G, the temperature is 80~125 degrees Celsius 'to heat through the condenser' and to condense The heat exchange water temperature of the device is 45 to 98 degrees Celsius; the mixed refrigerant is sequentially cooled by the expansion valve and the evaporator at 6 M404362; so that the hot chest equipment can further improve the heat and cold gauge, and the hot water machine The effect of ice, the new method of the law, please ask /... Lai Li (8), and the promotion makes the species simple: the example is only used to explain the creation of the article, but not limited, in the spirit of the creative spirit, familiar with All the changes and modifications that can be made by the skilled person in this industry should still be included in the scope of the following patent application. [Simple description of the drawing] The first picture is the best of the creation _ high temperature cold money effect energy saving equipment The system diagram is shown; the second diagram is a block diagram of the system of the first high-temperature hot and cold double-effect energy-saving heat pump equipment; and the third figure is a system configuration diagram of the high-temperature hot and cold double-effect energy-saving heat pump equipment according to another preferred embodiment of the present invention.The main reference numerals DESCRIPTION

1壓縮機 2第一管路 3冷凝器 4第二管路 5膨脹閥 6第三管路 7蒸發器 8第四管路 M404362 9熱介質 1 0冷介質 1 1蒸發器 1 2冷介質 1 3風扇1 compressor 2 first line 3 condenser 4 second line 5 expansion valve 6 third line 7 evaporator 8 fourth line M404362 9 heat medium 1 0 cold medium 1 1 evaporator 1 2 cold medium 1 3 fan

Claims (1)

、申請專利範圍: 1.一種高溫冷熱雙效節能熱泵設備,包含有一壓縮機壓送出混合冷 媒,以依序通過第一管路、冷凝器、第二管路、膨脹閥、第三管 路及蒸發器,再經由第四管路吸送入壓縮機;該混合冷媒至少含 有第一冷媒混合第二冷媒,第一管路内之混合冷媒壓力為 24〜30kg/cm G,溫度為攝氏8〇〜125度,以通過冷凝器進行製熱, 使冷凝器之熱交換出水溫度為攝氏45〜98度;混合冷媒依序經由 第二管路、膨脹閥、第三管路及蒸發器,以對蒸發器之冷介質進 行製冷。 ' Z如申請專利範圍第工項所述高溫冷熱雙效節能熱系設備,其中該 混合冷媒之第—冷媒及第二冷媒為Rma冷媒與似45冷媒。 3. 如申β月專利範圍第丄項所述高溫冷熱雙效節能熱果設備,其中該 混合冷媒n做第二冷縣R134a冷媒與R4G7C冷媒。 4. 如申請專·_ 1 述聽冷錢效節能齡設備 ,其中該 混合冷媒含有第—冷媒混合第m冷媒,第―、二、三 冷媒為R134a冷媒、扣45冷媒與R4〇7C冷媒。 5‘如申4專利_第2或3或4項所述高溫冷熱雙效節能熱泵設 備’其中料-管路内之冷職力為%〜28_此,溫度為攝氏 9〇〜11〇度。 ^申明專利㈣第^項所述高溫冷熱雙效節能熱泵設備,其中該 蒸發器設為冰水機。 申明專她圍第5項所述高溫冷熱雙效節能絲麟,其中該 蒸發器設為空調機。Patent application scope: 1. A high-temperature hot and cold double-effect energy-saving heat pump equipment, comprising a compressor pressure to send mixed refrigerant to sequentially pass the first pipeline, the condenser, the second pipeline, the expansion valve, the third pipeline and The evaporator is sucked into the compressor through the fourth pipeline; the mixed refrigerant contains at least the first refrigerant mixed with the second refrigerant, and the mixed refrigerant pressure in the first pipeline is 24~30kg/cm G, and the temperature is 8〇 Celsius ~125 degrees, to heat through the condenser, the temperature of the heat exchange of the condenser is 45 to 98 degrees Celsius; the mixed refrigerant is sequentially passed through the second pipeline, the expansion valve, the third pipeline and the evaporator, The cold medium of the evaporator is cooled. 'Z. For example, the high-temperature hot and cold double-effect energy-saving heat-system equipment described in the application of the patent scope, wherein the first refrigerant of the mixed refrigerant and the second refrigerant are Rma refrigerant and 45 refrigerant. 3. According to the high temperature hot and cold double-effect energy-saving hot fruit equipment mentioned in the second paragraph of the patent scope of the beta, the mixed refrigerant n is the second cold county R134a refrigerant and R4G7C refrigerant. 4. If you want to apply for the special equipment, the mixed refrigerant contains the first refrigerant and the m-th refrigerant. The second, third and third refrigerants are R134a refrigerant, 45 refrigerant and R4〇7C refrigerant. 5 'Shen 4 patent _ 2 or 3 or 4 high temperature hot and cold double-effect energy-saving heat pump equipment 'in the material - the cold duty in the pipeline is % ~ 28 _, the temperature is 9 〇 ~ 11 摄 degrees Celsius . ^ Declared the patent (4) item ^ high temperature hot and cold double-effect energy-saving heat pump equipment, wherein the evaporator is set as a chiller. It is stated that she specializes in the high-temperature hot and cold double-effect energy-saving silk lining mentioned in Item 5, wherein the evaporator is set as an air conditioner.
TW099224471U 2010-12-17 2010-12-17 High-temperature cold/hot dual-function energy-saving heat pump equipment TWM404362U (en)

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JP2004536908A (en) * 2001-06-08 2004-12-09 ハネウェル・インターナショナル・インコーポレーテッド Azeotrope-like composition of tetrafluoroethane, pentafluoropropane, methylbutane and water
US6672084B2 (en) * 2001-07-05 2004-01-06 Vai Holdings, Llc Energy saving refrigeration system using composition control with mixed refrigerants
US8056348B2 (en) * 2005-06-03 2011-11-15 Carrier Corporation Refrigerant charge control in a heat pump system with water heater
US8056350B2 (en) * 2005-10-04 2011-11-15 Ac-Sun Aps Cooling apparatus for air conditioning and heat pumps
EP1938022A4 (en) * 2005-10-18 2010-08-25 Carrier Corp Economized refrigerant vapor compression system for water heating
US7708903B2 (en) * 2005-11-01 2010-05-04 E.I. Du Pont De Nemours And Company Compositions comprising fluoroolefins and uses thereof
JP5042058B2 (en) * 2008-02-07 2012-10-03 三菱電機株式会社 Heat pump type hot water supply outdoor unit and heat pump type hot water supply device
US20100031953A1 (en) * 2008-08-07 2010-02-11 Krassimire Mihaylov Penev Hybrid Water Heating System

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