CN101437408A - Method for the operation of a container suitable for freezing the content thereof, and ice cream maker - Google Patents
Method for the operation of a container suitable for freezing the content thereof, and ice cream maker Download PDFInfo
- Publication number
- CN101437408A CN101437408A CNA200780016457XA CN200780016457A CN101437408A CN 101437408 A CN101437408 A CN 101437408A CN A200780016457X A CNA200780016457X A CN A200780016457XA CN 200780016457 A CN200780016457 A CN 200780016457A CN 101437408 A CN101437408 A CN 101437408A
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- CN
- China
- Prior art keywords
- latent heat
- peltier element
- container
- cooling
- cool cycles
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
- A23G9/04—Production of frozen sweets, e.g. ice-cream
- A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
- A23G9/222—Freezing drums
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
- A23G9/04—Production of frozen sweets, e.g. ice-cream
- A23G9/08—Batch production
- A23G9/12—Batch production using means for stirring the contents in a non-moving container
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
- A23G9/04—Production of frozen sweets, e.g. ice-cream
- A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
- A23G9/04—Production of frozen sweets, e.g. ice-cream
- A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
- A23G9/225—Ice-cream freezing and storing cabinets
- A23G9/227—Details
-
- 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
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Confectionery (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a method for operating a container (3) that is suitable for freezing the content (13) thereof as well as an ice cream maker (1). Peltier elements (16) which are actively cooled on the hot side thereof by means of an actively chilled coolant circulating in an independent circuit (17) are disposed in a wall of the container (3) so as to generate cold. In order to further improve a method of said type particularly in respect to actively chilling the coolant, the coolant is actively chilled by having the coolant exchange heat with a latent heat accumulator (20). In order to obtain a desired freezing temperature in the inventive ice cream maker while keeping the amount of energy required as low as possible, a cold reservoir is associated with the coolant circuit in the form of a latent heat accumulator (20).
Description
Technical field
The present invention at first relates to a kind of method of work that is applicable to the container that freezes its content, wherein, Peltier element is set in chamber wall for refrigeration, these Peltier elements its hot side by a kind of in oneself a circulation coolant circulating initiatively cool off, cooling agent itself is initiatively cooled off.
Background technology
The method of described type is known.With Peltier element refrigeration/ice making the time, on element, form a cold side and a hot side.The refrigerating capacity that obtains directly depends on the heat extraction through the hot side of element.Described heat extraction is usually by cooler and/or air blast and/or by water cooling plant.Peltier element is high efficiency under situation about having a narrow range of temperature between hot side and the cold side.In order to reach the temperature difference bigger between hot side and the cold side or bigger refrigerating capacity, need heat of cooling side.Be the required temperature difference of ice making greater than 30K, for example by water cooling plant and by additional, reach at the pro forma heat exchanger of the hot side air blast of element.Xiang Guan content can be referring to EP0133844B1 therewith.This patent document shows and has illustrated a kind of ice making equipment of especially home appliances form, and wherein by first kind of form of implementation, the Peltier element rear that is used to freeze is initiatively cooled off by circulate coolant.Described circulate coolant has a heat exchanger, it and motor-driven fan mating reaction.
Summary of the invention
In view of above-mentioned prior art, the technical problem to be solved in the present invention is, especially the method for described type further improved aspect the cooling agent initiatively cooling off.
Described technical problem at first and mainly takes following measure to solve: the active cooling of cooling agent is undertaken by the heat exchange of cooling agent and latent heat memory.Owing to, improved and freezed a kind of efficient that is contained in the content in the suitable container according to this method of the present invention.Correspondingly the temperature difference that will overcome remains smaller.Not only Peltier technology but also latent heat memory technology all very well are applicable to by little temperature-difference refrigerating.The utilization of latent heat memory technology is derived from the energy of phase transformation.Storage medium temperature in whole fusion process keeps exporting heat energy consistently, consequently, impels the active cooling at Peltier element rear again by the cooling agent that therefore is cooled.This especially can export in the time of stationary temperature at long latent heat memory.In addition, by the latent heat memory that is provided with and characteristic thereof at some hrs internal memory heat accumulation energy, thereby such possibility is provided, be that the equipment according to method work of the present invention is adopted in operation, the ice making equipment that is particularly useful for preparing edible ice is got ready.Circulate coolant guarantees constantly in a long time, with the hot side that the liquid cools Peltier element of subzero temperature is preferably arranged.The big temperature difference between hot side by the Peltier element that causes thus and the cooling agent can be from the very big heat of the hot side output of Peltier element, and thereby reaches the subzero temperature that is enough to ice making at the cold side of Peltier element again.In the water cooling plant known by prior art, cooling agent has environment temperature and very fast heating.Along with the continuous heating of cooling water, reduce the temperature difference with respect to environment temperature, this is necessary for the transmission heat.
The technical theme of other claims is described based on the technical theme of claim 1 below, but the statement of their independence also can be significant.
Therefore stipulate preferably that the latent heat memory cools off by cool cycles, sets independent Peltier element for cool cycles for this reason.Based on this design, the Peltier technology is used in simultaneously and is the charging of latent heat memory.Preferably can establish an independent Peltier element for this reason.Also can consider a kind of scheme, wherein, the Peltier element of cooling ice maker container is used to the charging of latent heat memory with staggering in time simultaneously.In order to reach to the low loss of latent heat memory ground charging, establish independent Peltier element, it acts on the latent heat memory by cool cycles indirectly.Also preferably whole cooling system is divided into two stages for this reason.In first stage, the latent heat memory is for example lowered the temperature with the Peltier technology in four hours period, and preferably cool cycles is reduced to minimum in this phase I.Especially, at the heat exchange zone of getting rid of during this phase I between cool cycles and the Peltier element that sets for ice making.For the cooling of latent heat memory, energy needed is very little.Preferably, the latent heat memory is in wherein container insulator, thereby does not have heat-energy losses to arrive in the environment.If the latent heat memory charges, then can open whole cool cycles after this and begin refrigerating process.Cooling agent preferably by pump, more preferably remains in recurrent state by electrodynamic pump.
The invention still further relates to a kind of ice making equipment in addition, comprise that is applicable to a container that freezes its content, set Peltier element in order to freeze for wall of a container, wherein, Peltier element initiatively cools off by heat transfer medium in its hot side, in addition, heat transfer medium pilot flow in independent cool cycles.
The ice making equipment of the known described type of having mentioned by preface of EP0133844B1.
In view of known systems, the technology of the present invention problem is, improves the design to described type ice making equipment, makes it can reach the target temperature that freezes container contents in the alap while of energy consumption, and this temperature is starkly lower than freezing point.
Described technical problem at first solves with main technical theme by claim 3, wherein stipulates, sets the cold-accumulating box of latent heat form of memory for cool cycles.Because a kind of ice making equipment has successfully been created in this design, its Peltier element in container one side at rear side, that is in hot side, keeps preferred stationary temperature by cool cycles.Cold-accumulating box is made of the latent heat memory, and it charges in an independent process in advance.Sort memory can transmit a stationary temperature in the long time, for example pass to cooling agent in this example.Cooling agent is carried in the pipe-line system of a sealing, and the cooling tube of system passes latent heat memory or latent heat storage material for heat exchange.Different with it, also can establish a device, wherein cooling tube is in the other process of the outer wall of memory.For heat exchange, these cooling tubes are designed to helical form in common mode, in order that enough big surface is provided.
The technical theme of other claims is described based on the technical theme of claim 3 below, but the statement of their independence also can be significant.
The latent heat memory preferably charges by Peltier element.The Peltier element here relates to and is applicable to the corresponding same a kind of Peltier element that sets of the chamber wall that freezes its content.In order to reach the efficient of raising equipment, regulation for cool cycles sets independent Peltier element, is used for the latent heat memory is charged.It only is used to latent heat memory charging, and the activation of first Peltier element will be arrived when container contents is freezed and just implemented.Owing to this design, based on the low power consumption of Peltier element, the latent heat memory can charge with lower energy, and it exports stationary temperature to cool cycles the charging back in a long time.Suggestion in addition, cool cycles can break away from cooling first Peltier element before ice making in order to separate with the charging of latent heat memory in time.This further helps to improve the efficient of equipment.Cooling agent does not stream the container area with first set Peltier element here in latent heat memory charging process.The cool cycles that is used for the charging of latent heat memory keeps as far as possible for a short time, to avoid damage.Cooling agent is used for the heat transfer between other Peltier elements and latent heat memory, and in addition, other Peltier elements not necessarily must act directly on cooling agent or hold on the pipeline of cooling agent.Also can consider a kind of indirect effect, for example by connecting in the middle of another circulation.If the latent heat memory charges, then disconnect other Peltier elements and open big cool cycles, this cool cycles comprises the sleeve-like cooling section with first Peltier element of container.
The storage medium of latent heat memory is preferably based on paraffin or salt.Liquefaction/the solidification temperature of latent heat storage substance preferably is chosen as and is lower than 0 ℃, here it is desirable to, and condensing temperature is identical with solidification temperature.These temperature also can be different fully, although difference has only several years C.For example the solidification temperature here is negative 8 ℃, and has reached liquefaction at negative 5 ℃.Usually this temperature for example is preferably negative 5 ℃ by ideal between negative 1 ℃ to negative 10 ℃.
Based on the present invention who is advised, significantly improved Peltier element for the efficient that in being applicable to the container area of freezing its content, causes refrigerating capacity.Ice-making process is accelerated.Cold-accumulating box (latent heat memory) can recharge at any time.These advantages of latent heat memory and Peltier element help energy-conservation.By cool off hot side with the cryogenic coolant (preferred water-ethylene glycol mixture) of preferably bearing 5 ℃ at the Peltier element of container one side, compare with legacy equipment, significantly reduced the structure height and the weight of equipment.Can utilize the refrigerating capacity of Peltier element best, because hot side obtains best cooling.Keep low thermal loss, and the cooling of Peltier element is carried out under stationary temperature.
Description of drawings
Describe the present invention in detail by the accompanying drawing of only representing a kind of embodiment below.Wherein:
Fig. 1 schematically shows the side view of the ice making equipment of kitchen machine version;
Fig. 2 represents that the basal seat area of container and the sleeve-like of freezing its content by being applicable to of equipment cut the partial sectional view that illustrates open around the mount pad zone of container base; And
Fig. 3 schematically shows the equipment of the content that is used to freeze container.
The specific embodiment
At first referring to Fig. 1, its represents and a kind of ice making equipment 1 is described that it is the part of kitchen machine 2 by illustrated embodiment.
Kitchen machine 2 for example relates to by known that of DE10210442A1 a kind of.For this reason, the content of this patent application is absorbed in the disclosed content of the application comprehensively, and also for this purpose, the feature of this patent application is received in the application's protection domain.
In view of the above, can set container 3 accordingly with illustrated kitchen machine 2.It is placed in the mount pad 4 of kitchen machine 2.In the container 3 that is configured as agitator tank, in the agitator tank bottom agitator 5 is set, it does not have the electric drive of expression in detail to drive below being located at mount pad 4 by one in kitchen machine 2.
To the control of agitator 5, especially rotating speed control, the operation panel 6 by kitchen machine 2 carries out.Can also control other functions by operation panel, for example heating container 3 in the container bottom district for example boils the food in the container 3 again, or as also will describing in detail, is cooled to freeze until the content of container.
Kitchen machine 2 also is used for ice making, can use same container 3 for this reason.Different with it, also can use the container 3 that is provided with the heater that is combined in container bottom, and preferably use the container that does not have this bottom heater in case of necessity by adding the common food of hot preparation for ice making.
For ice making is adopted accordingly, especially usefulness has the agitator of scraping tabular blade to replace agitator 5.
In order to freeze the content of container 3, at first in the section of container 3 basal seat areas, establish refrigeration machine 14 on the sleeve-like ground of mount pad 4.This refrigeration machine is made up of a plurality of automatically controlled Peltier elements 16 that sleeve-like is arranged around base section 15 in mount pad 4.
Depend on the current strength and the sense of current, the upper zone cooling of Peltier element, and lower region heating.Therefore electric current with heat from a side " pumping " to opposite side, and between these surfaces, cause the temperature difference.
Also can in mount pad 4, not dispose Peltier element 16, under the situation of corresponding electric contact engaging means in mount pad 4, also they can be set directly in the basal seat area of container 3.
In order between the cold side of Peltier element 16 and hot side, to reach enough temperature difference, Peltier element 16 in the wings, that is in hot side back to container 3, initiatively cooling.Establish cool cycles 17 for this reason.The water-ethylene glycol mixture flows through a pipeline 18 that circulation is provided.A section sleeve-like ground of pipeline 18 is around the zone with these Peltier elements 16, to be used for cooling off this zone in large area.
For ice making equipment 1 is put into operation, need perform preparation into 20 chargings of latent heat memory.Electrical power storage is undertaken by the Peltier technology in depositing the latent heat memory, establish other Peltier elements 21 for this reason.They are arranged towards the duct wall ground of cool cycles 17 with its cold side, and hot side is provided with fin 22.
Whole cooling system is divided into two stages.In first stage, latent heat memory 20 with the cooling of Peltier technology, is controlled Peltier element in view of the above in four hours period.Recharge here in the stage, the cool cycles district that relates to first Peltier element 16 does not have open-minded, establishes bypass pipe 23 for this reason.It is opened by electrically-controlled valve 24, and closes the path of amenorrhoea Peltier element 16 by other valves 25.Correspondingly, be used to make 20 coolings of latent heat memory and charging energy needed very little.Latent heat memory 20 is in wherein container by heat insulation, thus do not have heat energy towards periphery environment scatter and disappear.
When whole latent heat memory content thing reaches when being preferably negative 5 ℃ target temperature, entire equipment 1 has performed the preparation of ice making.As the charging process before the latent heat memory 20, by operation panel 3 these processes of starting, this moment is at first by shut off valve 24 and open valve 25 and open big cool cycles.Constantly stir content 13 by agitator 5 and implement freezing of expectation.
By the heat exchanger that constitutes by latent heat memory 20, make circulation the water-ethylene glycol stabilized with mixture remain on negative 5 ℃ the temperature.Correspondingly, in the sub-cooled agent composition cooling of the hot side of the Peltier element 16 of container one side, thereby temperature is adjusted to negative 20 ℃ from negative 10 ℃ at the cold side of Peltier element 16 with negative 5 ℃.Hot side by Peltier element 16 remains negative 5 ℃ consistently by latent heat memory 20, cools off best when causing being implemented in the little temperature difference.Therefore consider that the temperature loss that brings by heat transfer/heat loss, the content 13 that freeze have a minimum temperature to be negative 5 ℃.
Correspondingly, in the long time, keep invariable temperature, can reach for example ice making by supplying with less energy.
Polarity conversion by Peltier element 16 and thereby consequential cold side exchange with hot side, they also can be used to heat and are contained in the interior content of container 3 by another expansion design.Be particularly useful for food heat-insulation in addition, this function especially provides when equipment is configured in as shown the kitchen machine 2.
All disclosed features are the important content of (basis) invention.Also absorbed relevant/priority document (first to file copy) the disclosed content of enclosing in the disclosed content of the application, also for this purpose, the feature of these files is received in the application's protection domain comprehensively.
Claims (7)
1. method of work that is applicable to the container (3) that freezes its content (13), wherein, in the wall of container (3), establish Peltier element (16) in order to freeze, these Peltier elements its hot side by a kind of circulation (17) at oneself in coolant circulating initiatively cool off, cooling agent itself is cooling initiatively, it is characterized by: the active cooling of cooling agent is undertaken by the heat exchange of cooling agent and latent heat memory (20).
2. in accordance with the method for claim 1, it is characterized by, latent heat memory (20) sets independent Peltier element (21) for cool cycles (17) by cool cycles (17) cooling for this reason accordingly.
3. an ice making equipment (1), comprise that is applicable to a container (3) that freezes its content (13), for the wall that freezes to container (3) sets Peltier element (16), wherein, Peltier element (16) initiatively cools off by heat transfer medium in its hot side, in addition, heat transfer medium is pilot flow in independent cool cycles (17), it is characterized by: the cold-accumulating box that sets latent heat memory (20) form for cool cycles.
4. according to the described equipment of claim 3, it is characterized by,, latent heat memory (20) is charged being used for for cool cycles (17) sets independent Peltier element (21).
5. according to each described equipment in the claim 3 to 4, it is characterized by, cool cycles (17) is in order to separate with the charging of latent heat memory (20) in time, can be before ice making breaks away from the cooling of first Peltier element (16).
6. according to each described equipment in the claim 3 to 5, it is characterized by, the liquefaction/solidification temperature of latent heat storage substance (20) is chosen as and is lower than 0 ℃.
7. according to each described equipment in the claim 3 to 6, it is characterized by, between negative 1 ℃ to negative 10 ℃, select temperature.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006024031.6 | 2006-05-23 | ||
| DE200610024031 DE102006024031A1 (en) | 2006-05-23 | 2006-05-23 | Method for operating a container suitable for freezing its contents and ice making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101437408A true CN101437408A (en) | 2009-05-20 |
Family
ID=38462490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200780016457XA Pending CN101437408A (en) | 2006-05-23 | 2007-05-21 | Method for the operation of a container suitable for freezing the content thereof, and ice cream maker |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2023743A1 (en) |
| CN (1) | CN101437408A (en) |
| DE (1) | DE102006024031A1 (en) |
| MX (1) | MX2008014951A (en) |
| RU (1) | RU2008150864A (en) |
| TW (1) | TW200808195A (en) |
| WO (1) | WO2007135130A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107788200A (en) * | 2016-09-07 | 2018-03-13 | 艾力股份公司-卡皮贾尼集团 | For making the machine of liquid or semi liquid state product |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2444979B (en) * | 2006-12-19 | 2011-02-23 | Diageo Great Britain Ltd | A slush beverage machine |
| WO2015192935A1 (en) * | 2014-06-16 | 2015-12-23 | Liebherr-Hausgeräte Ochsenhausen GmbH | Thermally insulated receptacle |
| DE102014115322A1 (en) | 2014-10-21 | 2016-04-21 | Vorwerk & Co. Interholding Gmbh | Food processor with cooling device |
| DE102018116336A1 (en) | 2018-07-05 | 2020-01-09 | Vorwerk & Co. Interholding Gmbh | Preparation vessel with a cooling device |
| DE102019113361B4 (en) * | 2019-05-20 | 2022-10-27 | Einhell Germany Ag | Electrical apparatus for heating a liquid and method of heating a liquid in a reservoir |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4540288A (en) * | 1983-08-01 | 1985-09-10 | Brevetti Gaggia S.P.A. | Apparatus for producing ice cream utilizing the Peltier effect |
| FR2574253B1 (en) * | 1984-12-06 | 1990-02-16 | Bon Daniel | SORBETIERE WITH BUILT-IN REFRIGERATOR GENERATOR AND REMOVABLE CONTAINER WITH FLAT BOTTOM |
| AT385397B (en) * | 1985-06-26 | 1988-03-25 | Philips Nv | ICE CREAM MACHINE AND COLD CARTRIDGE HIEFUER |
| GB9516486D0 (en) * | 1995-08-11 | 1995-10-11 | Jones Timothy R T | Cooling apparatus |
| DE10303498A1 (en) * | 2003-01-30 | 2004-08-12 | Robert Bosch Gmbh | Device for cooling heating material of latent heat storage device, includes Peltier element controlled by temperature sensor |
-
2006
- 2006-05-23 DE DE200610024031 patent/DE102006024031A1/en not_active Withdrawn
-
2007
- 2007-05-21 WO PCT/EP2007/054889 patent/WO2007135130A1/en active Application Filing
- 2007-05-21 CN CNA200780016457XA patent/CN101437408A/en active Pending
- 2007-05-21 EP EP07729333A patent/EP2023743A1/en not_active Withdrawn
- 2007-05-21 MX MX2008014951A patent/MX2008014951A/en active IP Right Grant
- 2007-05-21 RU RU2008150864/13A patent/RU2008150864A/en not_active Application Discontinuation
- 2007-05-23 TW TW96118341A patent/TW200808195A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107788200A (en) * | 2016-09-07 | 2018-03-13 | 艾力股份公司-卡皮贾尼集团 | For making the machine of liquid or semi liquid state product |
| CN107788200B (en) * | 2016-09-07 | 2023-06-20 | 艾力集团有限责任公司-卡皮贾尼 | Machine for producing liquid or semi-liquid products |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2008014951A (en) | 2008-12-10 |
| RU2008150864A (en) | 2010-06-27 |
| WO2007135130A1 (en) | 2007-11-29 |
| TW200808195A (en) | 2008-02-16 |
| DE102006024031A1 (en) | 2007-11-29 |
| EP2023743A1 (en) | 2009-02-18 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090520 |