WO2008072273A2 - Modular refrigerating group - Google Patents
Modular refrigerating group Download PDFInfo
- Publication number
- WO2008072273A2 WO2008072273A2 PCT/IT2007/000859 IT2007000859W WO2008072273A2 WO 2008072273 A2 WO2008072273 A2 WO 2008072273A2 IT 2007000859 W IT2007000859 W IT 2007000859W WO 2008072273 A2 WO2008072273 A2 WO 2008072273A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- refrigeration circuit
- subcooler
- recovery
- total
- fan
- Prior art date
Links
- 238000005057 refrigeration Methods 0.000 claims abstract description 58
- 230000030279 gene silencing Effects 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 5
- 238000007726 management method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
Classifications
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2400/16—Receivers
-
- 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
- F25B2400/21—Modules for refrigeration systems
-
- 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
- F25B40/02—Subcoolers
Abstract
Modular refrigerating group, comprising at least one base module consisting of a compressor (1), a condenser (2), an expansion valve (3), an evaporator (4), according to a refrigeration circuit known as basic, said group having the possibility of being configured according to a plurality of different versions and/or set-ups, with or without accessory components, combining the version, the set-up and the number and/or type of accessory, and characterised in that it also comprises suitable exchangers both in 'just cold' and heat pump versions, with increased exchange surfaces, at least one replaceable ventilator, a base electrical board to which it is possible to add one or more precabled modules, at least one compressor with possibility of silencing and a plurality of connection kits geared for the refrigeration circuit.
Description
Modular refrigerating group
DESCRIPTION
The object of the present finding is a modular refrigerating group capable of being easily transformed at low cost from a basic model into any of the possible variants described hereafter. In the state of the art different embodiments of refrigerating groups are known. They take up different configurations according to the required refrigerating power and set-up, the system requirements and the intended use. This means that a product catalogue contains an enormous number of variants of unit models.
This approach in the design and manufacture of refrigerating units has a series of disadvantages both for the manufacturer and for the user of the aforementioned units. For the manufacturer, the disadvantages are mainly linked to the warehouse management of numerous variants for each model, to the fact that it is not possible to carry out "just in time" deliveries and that the management of components is not optimal, with a consequent low "purchase power" with regard to the suppliers. For the user, on the other hand, it is not possible to vary the installed power or to adapt the refrigerating groups to changing unit requirements, for example use as heat pump in addition to "just cold"; nor is it possible to adapt a refrigerating group to
changing intended uses in a building, for example from office use to hotel use or from commercial use to domestic use. The finding object of the present invention solves the aforementioned technical problems since it concerns a modular refrigerating group comprising at least one base module consisting of a compressor (1), a condenser (2), an expansion valve (3), an evaporator (4), according to a refrigeration circuit known as basic, said group having the possibility of being configured according to a plurality of different versions and/or set-ups, with or without accessory components, combining the version, the set-up and the number and/or type of accessory, and characterised in that it also comprises suitable exchangers both in "just cold" and heat pump versions, with increased exchange surfaces, at least one replaceable fan, a base electrical board to which it is possible to add one or more precabled modules, at least one compressor with possibility of silencing and a plurality of connection kits geared to adapt the refrigeration circuit to the requirements. The object of the patent thus concerns the advanced industrialisation of a refrigerating group so as to be able to easily transform the base model at low cost into any of the combinations, also acting directly on the installation. It is an absolute novelty in the field that leads to a series of advantages, both for the manufacturer and for the user. For the manufacturer, the main advantages are:
• warehouse management of a single basic model that can be simply and cost-effectively transformed, once the order has arrived, into a specific variant;
• organisation of production according to the "just in time" model;
• more rational purchasing of components, thus allowing an increase in "leverage" with regard to suppliers.
The user, on the other hand, obtains greater advantages since he can: • adapt the refrigerating groups to the evolution of the unit requirements; for example the user can buy "just cold" refrigerators and then transform them into heat pumps, should the need arise (for example, decrease in electricity prices and/or increase in methane prices); equally, he can decide to transform it into a recovery refrigeration group;
• adapt the refrigerating groups to the variation in intended use of a building; it may be the case that buildings built for a certain use, after a few years will be used for a different use; for example, a building built for telecommunications use can be transformed into a luxury boutique and, then, transformed again into a hotel; in the three changes the refrigerating groups must meet different needs, for which reason the unit cannot be optimised; the object of the present finding allows the characteristics of the machines to be adapted at low cost and industrially;
• increase the power of the refrigerating groups by up to 50% thanks to use of a subcooler.
These and other advantages shall become clearer in the following detailed description of the invention that shall refer specifically to tables 1/2 and 2/2 in which some preferred schematic diagrams are represented, as examples and not for limiting purposes. In particular:
• fig. 1 represents the circuit of the base module according to the invention, comprising a compressor (1), a condenser (2), an expansion valve (3) and an evaporator (4);
• fig. 2 shows the circuit with partial recovery, in which the desuperheater (5) is added between points D of the base circuit; • fig. 3 is the total recovery circuit that is obtained by adding the total recovery (6) and a 3 -way valve between points RT;
• fig. 4 illustrates the circuit with subcooling, in which the 3- way subcooler (7) is added between points S of the base circuit; • fig. 5 shows the heat pump circuit, in which, with respect to the base circuit, a 4-way valve (8), solenoid (9) and nonreturn valves (10), an expansion valve (11), a receiver (12) and a separator (13) of liquid are inserted in the circuits between points PdC.
With reference to the aforementioned figures, the object of the present invention is a modular refrigerating group, conceived to ensure maximum flexibility in terms of construction (industrial process), in terms of storage of the end product, and in terms of installation on the unit. It comprises a series of base modules, for example five, but the number can clearly be extended. By combining the base modules together any refrigerating or thermal power can be achieved. Each refrigerating group, whatever the number of base modules used, is characterised by a version, a set-up and different accessories. The numbers of versions, set-ups, accessories and combinations thereof are purely an indication, as it is indeed also possible to obtain further combinations that are not mentioned without departing from the scope of the present patent document. The versions currently made are:
A) just cold (liquid refrigerator);
B) heat pumps.
The set-ups foreseen at the moment are: standard, silenced, super-silenced, high-efficiency and high-temperature. The possible accessories are: partial recovery (desuperheater); total recovery (recuperator); recovery from subcooler. Each version can have all of the set-ups. Each version with the set-ups can have the following accessories:
- no accessory: basic refrigeration circuit, figure 1 ;
- partial recovery: refrigeration circuit with desuperheater (5), figure 2;
- total recovery: refrigeration circuit with total regenerator (6), figure 3; - partial recovery + recovery from subcooler: refrigeration circuit with desuperheater (5) and subcooler (7), figures 2 and 4;
- total recovery + recovery from subcooler: refrigeration circuit with total regenerator (6) and subcooler (7), figures 3 and 4.
Clearly, in the heat pump version the reference circuit without accessories becomes the one represented in fig. 5, circuit for heat pump, where, compared to the basic circuit of fig. 1, a 4-way valve (8), solenoid (9) and nonreturn (10) valves, an expansion valve (1 1), a liquid receiver (12) and a liquid separator (13) are inserted between points PdC. Should there be accessories, the reference shall be the circuit of fig. 5 plus the reference circuit of the accessory as indicated above. For example, the heat pump version with total recovery shall have the circuit of fig. 5 and that of fig. 3 as reference.
Consequently, each base unit can have 2x5x4 = 40 combinations. Starting from the base module, so that the refrigerating group can be transformed into the different versions, with different setups and with one or more accessories, a series of elements have to be modified. In particular:
- type of air condenser (for liquid refrigerator or heat pump)
- exchange capacity of the condenser
- electrical board
- silencing of the compressors - refrigeration circuit
In general, the adopted solutions are the following. As regards the type of air condenser, in order to simplify things, all of the exchangers are already set up in heat pump version, even in the just cold solutions. For the exchange capacity of the condenser, whereas generally the number of rows (therefore the exchange surface) of the exchanger and the flow rate of the cooling fluid (air) are acted upon, in the sense that the high- efficiency and high-temperature versions have a larger exchange surface and a greater air flow rate, in this finding, it has been chosen to have an increased surface area for all of the versions, only being able to vary the air flow rate (less in the standard version). In order to do this one acts upon the fan, an easy-to- replace component. With regard to the electrical board, one acts with a standard electrical board to which integration modules precabled for the various versions, set-ups and accessories are added. For the silencing of the compressors made-to-measure sound insulation jackets are used that can be installed very easily. Finally, the refrigeration circuit can be modified starting from the basic scheme and combining 4 preset modifications, carried out through industrially prepared connection kits. The
schemes are shown in the subsequent figures. Hereafter, the possible combinations are shown, with brief descriptions (for all, as already stated, the condenser is the same).
A. Just cold versions
Table A.I - Standard set-up
Table A.2 Silenced set-up
B. Heat pump versions
Table B.I - Standard set-up
Table B.2 Silenced set-up
Table B.3 - Super-silenced set-up
Table B.4 - High-e
Claims
C L A I M S
1) Modular refrigerating group, comprising at least one base module comprising a compressor (1), a condenser (2), an expansion valve (3), an evaporator (4), according to a refrigerating circuit known as basic, said group having the possibility of being configured according to a plurality of different versions and/or set-ups, with or without accessory components, combining the version, the set-up and the number and/or type of accessory, and characterised in that it also comprises suitable exchangers both in "just cold" and heat pump versions, with increased exchange surfaces, at least one replaceable ventilator, a base electrical board to which it is possible to add one or more precabled modules, at least one compressor with possibility of silencing and a plurality of connection kits geared to adapt the refrigeration circuit.
2) Modular refrigerating group according to claim 1, characterised in that said versions in which the unit can be configured are the liquid refrigerator or "just cold" one and the one with heat pump.
3) Modular refrigerating group according to claim 2 characterised in that said liquid refrigerator version can be configured in standard, silenced, super silenced, high- efficiency and high-temperature set-ups.
4) Modular refrigerating group according to claim 3, where said liquid refrigerator standard set-up is characterised as follows: fan with low flow rate and high number of revolutions, no adjustment of the number of fan revolutions, base electrical board, no silencing of the compressors; also characterised by a refrigeration circuit according to one of the following modes: base refrigeration circuit, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
5) Modular refrigerating group according to claim 3, where said liquid refrigerator in silenced set-up is characterised as follows: fan with low flow rate and high number of revolutions, 2-speed adjustment of the number of fan revolutions, base electrical board plus fan speed control module, no silencing of the compressors or silencing with sound insulation jacket; also characterised by a refrigeration circuit according to one of the following modes: base refrigeration circuit, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and
subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
6) Modular refrigerating group according to claim 3, where said liquid refrigerator in super-silenced set-up is characterised as follows: fan with low flow rate and many poles for a low number of revolutions, continuous adjustment of the number of fan revolutions, base electrical board plus fan speed control module, no silencing of the compressors or silencing with sound insulation jacket; also characterised by a refrigeration circuit according to one of the following modes: base refrigeration circuit, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
7) Modular refrigerating group according to claim 3, where said liquid refrigerator in high-efficiency and high-temperature set-up is characterised as follows: fan with high flow rate and high number of revolutions, no adjustment of the number of revolutions of the fan, base electrical board, no silencing of the compressors; also characterised by a refrigeration circuit according to one of the following modes: base refrigeration circuit, partial recovery refrigeration circuit with
desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
8) Modular refrigerating group according to claim 2 characterised in that said version with heat pump can be configured in standard, silenced, super silenced, high- efficiency and high-temperature set-ups, using as refrigeration circuit for heat pump, the circuit also comprising a 4-way valve (8), solenoid valves (9) and check valves (10), an expansion valve (11), receiver (12) and separator (13) of liquid.
9) Modular refrigerating group according to claim 8, where said heat pump in standard set-up is characterised as follows: fan with low flow rate and high number of revolutions, no adjustment of the number of fan revolutions, base electrical board and additional heat pump board, no silencing of the compressors; also characterised by said refrigeration circuit for a heat pump to which one of the following modes is added: no addition, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and
subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
10) Modular refrigerating group according to claim 8, where said heat pump in silenced set-up is characterised as follows: fan with low flow rate and high number of revolutions, 2-speed adjustment of the number of revolutions of the fan, base electrical board and additional heat pump board plus fan speed control module, no silencing of the compressors or silencing with sound insulation jacket; also characterised by said refrigeration circuit for a heat pump to which one of the following modes is added: no addition, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
11) Modular refrigerating group according to claim 8, where said heat pump in super-silenced set-up is characterised as follows: fan with low flow rate and many poles for a low number of revolutions, continuous adjustment of the number of fan revolutions, base electrical board and additional heat pump board plus fan speed control module, no silencing of the compressors or silencing with sound insulation jacket; also characterised by said refrigeration circuit for heat pump
to which one of the following modes is added: no addition, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
12) Modular refrigerating group according to claim 8, where said heat pump in high-efficiency and high-temperature set-up is characterised as follows: fan with high flow rate and high number of revolutions, no adjustment of the number of revolutions of the fan, base electrical board and additional heat pump board, no silencing of the compressors; also characterised by said refrigeration circuit for a heat pump to which one of the following modes is added: no addition, partial recovery refrigeration circuit with desuperheater (5), total recovery refrigeration circuit with total regenerator (6), partial recovery refrigeration circuit + recovery from subcooler with desuperheater (5) and subcooler (7), total recovery refrigeration circuit + recovery from subcooler with total regenerator (6) and subcooler (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITBA2006A000068 | 2006-12-13 | ||
| ITBA20060068 ITBA20060068A1 (en) | 2006-12-13 | 2006-12-13 | MODULAR REFRIGERATOR GROUP |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008072273A2 true WO2008072273A2 (en) | 2008-06-19 |
| WO2008072273A3 WO2008072273A3 (en) | 2008-09-25 |
Family
ID=39512193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IT2007/000859 WO2008072273A2 (en) | 2006-12-13 | 2007-12-07 | Modular refrigerating group |
Country Status (2)
| Country | Link |
|---|---|
| IT (1) | ITBA20060068A1 (en) |
| WO (1) | WO2008072273A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401847A (en) * | 2016-05-19 | 2017-11-28 | 中科赛德（北京）科技有限公司 | A kind of modular refrigeration equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986000977A1 (en) * | 1984-07-24 | 1986-02-13 | Conry Ronald D | Modular refrigeration system |
| GB2175679A (en) * | 1985-05-03 | 1986-12-03 | Bruno Bernardi | Modular fluidic heat exchange unit |
| JPH06213496A (en) * | 1993-01-12 | 1994-08-02 | Toshiba Corp | Air conditioner |
| US5440894A (en) * | 1993-05-05 | 1995-08-15 | Hussmann Corporation | Strategic modular commercial refrigeration |
| JPH10170034A (en) * | 1996-12-10 | 1998-06-26 | Hitachi Ltd | Multiple type air conditioner |
| JPH10197085A (en) * | 1996-12-29 | 1998-07-31 | Sanyo Electric Co Ltd | Multiple air conditioning system |
| US6381972B1 (en) * | 1999-02-18 | 2002-05-07 | Hussmann Corporation | Multiple zone refrigeration |
| JP2003279134A (en) * | 2002-03-26 | 2003-10-02 | Toto Ltd | Heat pump system |
| EP1434018A2 (en) * | 1995-03-14 | 2004-06-30 | Hussmann Corporation | Refrigerated merchandiser with modular evaporator coils and electronic evaporator pressure regulator control |
| US20050044869A1 (en) * | 2003-09-02 | 2005-03-03 | International Business Machines Corporation | System for cooling multiple logic modules |
| EP1707898A2 (en) * | 2005-03-10 | 2006-10-04 | Hussmann Corporation | Strategic modular refrigeration system with linear compressors |
-
2006
- 2006-12-13 IT ITBA20060068 patent/ITBA20060068A1/en unknown
-
2007
- 2007-12-07 WO PCT/IT2007/000859 patent/WO2008072273A2/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986000977A1 (en) * | 1984-07-24 | 1986-02-13 | Conry Ronald D | Modular refrigeration system |
| GB2175679A (en) * | 1985-05-03 | 1986-12-03 | Bruno Bernardi | Modular fluidic heat exchange unit |
| JPH06213496A (en) * | 1993-01-12 | 1994-08-02 | Toshiba Corp | Air conditioner |
| US5440894A (en) * | 1993-05-05 | 1995-08-15 | Hussmann Corporation | Strategic modular commercial refrigeration |
| EP1434018A2 (en) * | 1995-03-14 | 2004-06-30 | Hussmann Corporation | Refrigerated merchandiser with modular evaporator coils and electronic evaporator pressure regulator control |
| JPH10170034A (en) * | 1996-12-10 | 1998-06-26 | Hitachi Ltd | Multiple type air conditioner |
| JPH10197085A (en) * | 1996-12-29 | 1998-07-31 | Sanyo Electric Co Ltd | Multiple air conditioning system |
| US6381972B1 (en) * | 1999-02-18 | 2002-05-07 | Hussmann Corporation | Multiple zone refrigeration |
| JP2003279134A (en) * | 2002-03-26 | 2003-10-02 | Toto Ltd | Heat pump system |
| US20050044869A1 (en) * | 2003-09-02 | 2005-03-03 | International Business Machines Corporation | System for cooling multiple logic modules |
| EP1707898A2 (en) * | 2005-03-10 | 2006-10-04 | Hussmann Corporation | Strategic modular refrigeration system with linear compressors |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401847A (en) * | 2016-05-19 | 2017-11-28 | 中科赛德（北京）科技有限公司 | A kind of modular refrigeration equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008072273A3 (en) | 2008-09-25 |
| ITBA20060068A1 (en) | 2008-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101821560B (en) | Air conditioner | |
| CN104154609B (en) | Dual-system heat pump roof unit | |
| WO2011005470A4 (en) | Low ambient operating procedure for cooling systems with high efficiency condensers | |
| CN103776114A (en) | Direct expansion type heat pump type comprehensive energy utilization system and control method thereof | |
| CN201945082U (en) | Integrative industrial water chiller unit | |
| CN113891634A (en) | Cold station unit, integrated cold station system, control method of integrated cold station system and related equipment | |
| CN104501406A (en) | Multistage air source heat pump for producing high temperature hot water | |
| CN102141321A (en) | System and method for temperature control processing | |
| WO2008072273A2 (en) | Modular refrigerating group | |
| CN100445668C (en) | Energy-saving refrigerator set | |
| CN216752525U (en) | Cold station unit and integrated cold station system | |
| CN2526752Y (en) | High-temp heat pump refrigerator set | |
| CN108709333B (en) | Operation method and system of secondary throttling middle complete cooling refrigerating system | |
| CN104422017A (en) | Active heat pipe back plate cooling system | |
| CN112503788A (en) | Multi-refrigerant loop refrigerating system and air conditioning equipment | |
| RU148544U1 (en) | ENERGY-SAVING REFRIGERATING UNIT | |
| CN101235993B (en) | Four pipe heating pump, hot water three-purpose central air-conditioning system | |
| JP5602556B2 (en) | Air conditioner indoor unit blowout temperature control method | |
| CN200975800Y (en) | Energy-saving type freezing machine set | |
| EP4187178B1 (en) | Air conditioning unit, and operation control method and operation control device for air conditioning unit | |
| CN214172596U (en) | Multi-refrigerant loop refrigerating system and air conditioning equipment | |
| CN204612244U (en) | Modular heat pump | |
| CN2554527Y (en) | Variable frequence domestic central air conditioner | |
| CN219640384U (en) | Heat pump and air conditioner water machine system | |
| CN203687450U (en) | Direct-expansion heat pump type comprehensive energy consumption system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07866791 Country of ref document: EP Kind code of ref document: A2 |
|
| NENP | Non-entry into the national phase in: |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 07866791 Country of ref document: EP Kind code of ref document: A2 |