EP0535498A2 - Machine automatique de production de glace en copeaux - Google Patents

Machine automatique de production de glace en copeaux Download PDF

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Publication number
EP0535498A2
EP0535498A2 EP92116129A EP92116129A EP0535498A2 EP 0535498 A2 EP0535498 A2 EP 0535498A2 EP 92116129 A EP92116129 A EP 92116129A EP 92116129 A EP92116129 A EP 92116129A EP 0535498 A2 EP0535498 A2 EP 0535498A2
Authority
EP
European Patent Office
Prior art keywords
evaporator roller
evaporator
roller
machine according
ice
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.)
Withdrawn
Application number
EP92116129A
Other languages
German (de)
English (en)
Other versions
EP0535498A3 (en
Inventor
Joachim Schill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maja Maschinenfabrik Hermann Schill GmbH and Co KG
Original Assignee
Maja Maschinenfabrik Hermann Schill GmbH and Co KG
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 Maja Maschinenfabrik Hermann Schill GmbH and Co KG filed Critical Maja Maschinenfabrik Hermann Schill GmbH and Co KG
Publication of EP0535498A2 publication Critical patent/EP0535498A2/fr
Publication of EP0535498A3 publication Critical patent/EP0535498A3/de
Withdrawn legal-status Critical Current

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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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
    • F25C1/14—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
    • F25C1/142—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the outer walls of cooled bodies

Definitions

  • the invention is based on a flake ice machine according to the preamble of the main claim.
  • the evaporator roller In a known flake ice machine of the generic type, the evaporator roller is wetted by immersing it in a water basin on one side, after which the amount of water entrained by the outer surface of the evaporator roller is agitated in order to be scraped off by the device from the outer surface or flaked off by internal stress.
  • the evaporator roller contains a refrigeration evaporator that is connected to an outside of the roller Chiller is connected, which is preferably a compressor there. In any case, this refrigeration machine is controlled electrically.
  • the evaporator roller contains a not inconsiderable residual cold which can lead to the formation of an undesired layer of ice.
  • this can lead to considerable problems when separating the ice from the outer surface of the evaporator roller, which can either result in the evaporator roller getting stuck against further rotation or even in damage to the equipment surrounding the rollers.
  • the flake ice machine according to the invention with the characterizing features of the main claim has the advantage that when restarting the flake ice machine on the one hand no disadvantageously thick ice sheets arise and on the other hand there is no overloading of the evaporator roller or the scraping device.
  • the timer for driving the evaporator roller is designed as an electrical timer, the time setting being determinable via empirical values is, after an evaluation of the remaining cold in the evaporator roller.
  • This timing element can be an electrical as well as some other physically working organ - the important thing is that this switching element controls an electrical switch for the electrical drive of the evaporator roller.
  • a measuring device for the ice layer thickness via which a switching element of the electric drive is controlled.
  • the switching element can be actuated by means of this measuring device as soon as the ice layer falls below a minimum thickness or can no longer be measured.
  • a safety circuit is provided, according to which the drive of the evaporator roller is interrupted when the ice layer exceeds a minimum thickness. This primarily prevents the ice separating device from being damaged.
  • control elements are arranged in series in the line leading to the electrical drive of the evaporator roller: a timer, a push-button switch and a motor contactor, and possibly a limit switch and a power relay.
  • An evaporator roller 1 is rotatably supported on stub shafts 2 and corresponding bearings in the housing 3 of a flake ice machine and is driven in rotation via a gear wheel 4 and an electric motor or a gear motor, not shown.
  • the shaft ends 2 are hollow for the supply and discharge of the refrigerant, which is supplied in particular as a liquid and discharged as a vapor.
  • the lower part of the evaporator roller 1 is immersed in a water bath 5, so that the outer surface 6 of the evaporator roller 1 is wetted with water when rotating. Due to the cooling effect of the refrigerant supplied and cooled by means not shown, a thin layer of ice forms on the outer surface 6, in particular after it emerges from the water bath 5, which is separated from the outer surface with the aid of a fixed ice scraper 7 and fed to a collecting container.
  • the blade 8 of this separating device is pressed onto the outer surface 6 and is oriented almost tangentially and counter to the direction of rotation III.
  • An electrically operated sensor 9 is used to check whether the thickness of the ice layer on the outer surface 6 has become too thick.
  • the electrical drive for the evaporator roller 1 and the drive of the refrigeration machine, not shown, are not shown, which are usually electromotive drives.
  • the time relay 11 and the motor contactor 12 serve to delay the switching off of the drive of the evaporator roller 1.
  • a delay time of 0.5 to 10 minutes can be set on the time relay 11 can be set.
  • one of the other switches can also be used to switch off the drive of the evaporator roller 1 when the ice layer forming on its outer surface has become very thin or there is no ice layer at all.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)
  • Confectionery (AREA)
EP19920116129 1991-10-04 1992-09-21 Automatic chipped ice maker Withdrawn EP0535498A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4132974 1991-10-04
DE4132974 1991-10-04

Publications (2)

Publication Number Publication Date
EP0535498A2 true EP0535498A2 (fr) 1993-04-07
EP0535498A3 EP0535498A3 (en) 1993-11-10

Family

ID=6442080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920116129 Withdrawn EP0535498A3 (en) 1991-10-04 1992-09-21 Automatic chipped ice maker

Country Status (2)

Country Link
EP (1) EP0535498A3 (fr)
DE (1) DE4233190A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999009361A1 (fr) * 1997-08-15 1999-02-25 Maja-Maschinenfabrik Hermann Schill Gmbh Machine a broyer la glace

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9401295U1 (de) * 1994-01-26 1994-09-29 Ernst Manfred Küntzel GmbH Malereibetrieb, 80689 München Vorrichtung zur Herstellung von Eiskörnern
DE19653351B4 (de) * 1996-12-20 2005-06-02 Maja-Maschinenfabrik Hermann Schill Gmbh Scherbeneisautomat

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000272A1 (fr) * 1987-07-04 1989-01-12 Wutke Juergen Dispositif de fabrication de glace en flocons
DE8912336U1 (de) * 1989-10-17 1990-01-11 Weber Eistechnik GmbH, 3565 Breidenbach Vorrichtung zur Herstellung von Scherbeneis
DE9002856U1 (de) * 1990-03-10 1990-07-19 Wutke Kälte- und Klimatechnik GmbH, 7640 Kehl Automatische Wasserwannen-Entleerungsvorrichtung für Eismaschinen
DE9116102U1 (de) * 1991-12-28 1992-02-27 Kapp, Dieter, Dipl.-Ing.(FH), 7601 Schutterwald Vorrichtung zum kontinuierlichen Herstellen von Scherbeneis

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000272A1 (fr) * 1987-07-04 1989-01-12 Wutke Juergen Dispositif de fabrication de glace en flocons
DE8912336U1 (de) * 1989-10-17 1990-01-11 Weber Eistechnik GmbH, 3565 Breidenbach Vorrichtung zur Herstellung von Scherbeneis
DE9002856U1 (de) * 1990-03-10 1990-07-19 Wutke Kälte- und Klimatechnik GmbH, 7640 Kehl Automatische Wasserwannen-Entleerungsvorrichtung für Eismaschinen
DE9116102U1 (de) * 1991-12-28 1992-02-27 Kapp, Dieter, Dipl.-Ing.(FH), 7601 Schutterwald Vorrichtung zum kontinuierlichen Herstellen von Scherbeneis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999009361A1 (fr) * 1997-08-15 1999-02-25 Maja-Maschinenfabrik Hermann Schill Gmbh Machine a broyer la glace
US6233953B1 (en) 1997-08-15 2001-05-22 Maja-Maschinenfabrik Hermann Schill Gmbh Flake ice machine

Also Published As

Publication number Publication date
EP0535498A3 (en) 1993-11-10
DE4233190A1 (de) 1993-05-06

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