USRE39256E1 - Drum cooker - Google Patents

Drum cooker Download PDF

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Publication number
USRE39256E1
USRE39256E1 US10/829,480 US82948004A USRE39256E US RE39256 E1 USRE39256 E1 US RE39256E1 US 82948004 A US82948004 A US 82948004A US RE39256 E USRE39256 E US RE39256E
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US
United States
Prior art keywords
vessel
product
area
covered
nozzles
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.)
Expired - Fee Related
Application number
US10/829,480
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English (en)
Inventor
Rudolf Bichsel
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Individual
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Individual
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Publication date
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Priority claimed from US09/658,478 external-priority patent/US6286417B1/en
Application filed by Individual filed Critical Individual
Priority to US10/829,480 priority Critical patent/USRE39256E1/en
Application granted granted Critical
Publication of USRE39256E1 publication Critical patent/USRE39256E1/en
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Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/04—Roasting apparatus with movably-mounted food supports or with movable heating implements; Spits
    • A47J37/047—Roasting apparatus with movably-mounted food supports or with movable heating implements; Spits with rotating drums or baskets
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/117—Flakes or other shapes of ready-to-eat type; Semi-finished or partly-finished products therefor
    • A23L7/135—Individual or non-extruded flakes, granules or shapes having similar size, e.g. breakfast cereals
    • A23L7/139—Individual or non-extruded flakes, granules or shapes having similar size, e.g. breakfast cereals made from wholegrain or grain pieces without preparation of meal or dough
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/197—Treatment of whole grains not provided for in groups A23L7/117 - A23L7/196
    • A23L7/1975—Cooking or roasting

Definitions

  • the present invention relates to a drum cooker for cooking granular products, especially corn grits for the production of cornflakes, having a vessel mounted to rotate about an axis with nozzles that open into the vessel and that are connected with lines through which a gaseous heat-carrying medium can be introduced into the vessel, there being provided at least two circumferentially distributed nozzles so that at least one nozzle opens into the area covered by the product while at least one nozzle opens into the area not covered by the product.
  • a drum cooker of this type is known, for example, under the designation DSCK from Gebr. Bühler AG, Uzwil, Switzerland.
  • a comparable drum cooker is also known from APV Baker, Peterborough, England under the designation “Rotary cereal cooker”.
  • the axis of the rotary vessel extends horizontally, the vessel as such has a substantially barrel-shaped contour.
  • the product to be treated for example corn grits
  • water is mixed with water, the vessel being filled with that product-water mixture up to more than half its volume.
  • the heat supply is realized by nozzles arranged in the wall of the vessel, that are supplied with a hot gaseous medium, namely hot water steam, through lines extending along the outside of the vessel.
  • a hot gaseous medium namely hot water steam
  • the arrangement of the nozzles is such that the nozzle groups are located substantially diametrically opposite one to the other. All lines and/or nozzle groups are supplied form a common supply source via communicating lines. This means that the steam is supplied to all lines and all nozzles simultaneously.
  • the object of the present invention to improve a drum cooker of the before-mentioned kind so that an efficient heat exchange and/or cooking process takes place that leads to reduced cooking times and by which, in addition, a good and uniform cooking result is achieved.
  • This feature provides the advantage that the gaseous medium is now exclusively introduced through the nozzles that open into the area covered by the product, i.e. that are located below the water level so that the medium is blown directly into the water where it gets into intimate heat-exchanging relationship with both the water and the product to be treated.
  • the design of the control means is such that the vessel can be vented via those nozzles that open at any time into the area not covered by the product.
  • the nozzles therefore, act as injection nozzles in the immersed condition and as venting nozzles when they are located above the water level.
  • This feature provides the advantage under control aspects that switching-over-operations can be effected in a purposeful and simple way so that in a given angular area a nozzle works in the injection mode while in the next defined angular area that works in the venting mode.
  • a plurality of nozzles are arranged along the axis of rotation of the vessel.
  • This feature provides the advantage, especially in the case of very large drum cookers, that the plurality of nozzles permit the heat-carrying medium to be injected at a plurality of positions so that especially uniform and quick heat distribution is guaranteed.
  • Such a multiple line distribution allows not only the heat-carrying medium to be introduced and carried off, but also the water in which the corn grits are cooked and, if desired, even flavor agents and dulcifiants to be gradually added, for example. Additionally, line distributions for rinsing media may be provided so that after draining of the drum cooker a cleaning operation may also be carried on through the control means.
  • FIG. 2 shows a representation of a corn grit to be treated
  • FIG. 3 shows another processing step of such a grit, after it has been pressed between rollers
  • FIG. 4 shows a finished cornflake, in the desired form
  • FIG. 5 shows a cornflake as it results from corn grit not uniformly cooked.
  • the drum cooker 10 comprises a horizontal, essentially barrelshaped vessel 12 that can rotate about a horizontal axis of rotation 13 .
  • the vessel 12 is rotatably seated in columns 16 and 18 , via lateral bearings 14 , 15 .
  • the vessel is driven for rotary movement about an axis of rotation 13 via a chain drive 20 connected with a drive motor 22 .
  • At first line 24 is guided along a surface line on the outside of the vessel 12 and connects two nozzles 26 and 27 that open into the interior of the vessel 12 .
  • Each nozzle 26 , 27 is provided with a filter 28 .
  • a further line is guided along the outside for supplying two nozzles 30 and 31 , likewise opening into the vessel 12 .
  • Both lines 24 and 29 end in a control means 32 provided with a multiple line distribution 34 .
  • the control means 32 is connected with a supply and control unit 40 through which the media and control operations, which will be described in more detail further below, are supplied and/or controlled.
  • the vessel 12 is provided with a lid, not shown, through which the product to be treated, for example corn grits, can be filled in and/or discharged.
  • the product to be treated for example corn grits
  • Corn grits are corn grains from which the germs and shells have been removed.
  • water is filled into the vessel 12 up to a level considerably above the level of the axis of rotation 13 , as indicated in FIG. 1 .
  • hot steam is introduced at approximately 120° C. and a pressure of approximately 1 to 2 bar.
  • the system is switched and/or controlled via the control means 32 in a manner such that the medium 35 is at any time introduced only through the line that supplies those nozzles that open into the area 33 covered by the product.
  • the medium 35 is introduced via the supply line 38 , the control means 32 , which for this purpose comprises a multiple line distribution, to the line 24 and from there to the nozzles 26 and 27 .
  • the medium 35 then enters the product via the filters 28 in very finely distributed bubbles, as indicated in FIG. 1 by the flow arrows and the bubbles. This permits intimate, quick and uniform heat transmission from the medium 35 to the product-water mixture contained in the vessel 12 .
  • the medium 35 Once the medium 35 has passed the mixture, i.e. left the liquid volume, it flows to the diametrically opposite nozzles 30 and 31 and can be discharged from the vessel 12 through the nozzles 30 and 31 and the line 29 .
  • the line 29 therefore, carries the medium through the multiple line distribution 34 to a venting opening 36 .
  • the nozzles 26 and 27 therefore work in an injection mode, while the nozzles 30 and 31 work in a venting mode. This situation is maintained so long as the nozzles 26 and 27 open into the area 33 covered by the product. Once the nozzles 26 and 27 have left that area, they are again switched to the venting mode, in the meantime, the nozzles 30 and 31 have reached the area 33 covered by the product and are switched over from the venting mode to the injection mode, which is effected automatically and under positive control by the multiple line distribution 34 of the control means 32 . It is thus possible to convert a granular product, for example the corn grits 42 , to the desired cooked state within short time.
  • a granular product for example the corn grits 42
  • FIG. 2 shows a corn grit 42 as it is obtained when the cooking process is conducted for an excessively long time and with insufficient heat exchange.
  • the resulting grit exhibits outer areas 46 , where the starch has already gelantized due to the long treating time, i.e. where a sticky outer layer has been produced.
  • the inner core has not yet been cooked at all, i.e. there still exists the so-called white spot 44 .
  • the flake 48 obtained contains areas 50 that are still uncooked.
  • the cornflake 56 as illustrated in FIG. 5 , which exhibits in the incompletely cooked areas a surface 55 with a baked structure similar to puff pastry.
  • the cornflake 56 shows an undesirable pale discoloring in these areas.
  • the desired blisters 58 are produced in small numbers only.
  • the lid and also the additional supply lines for example for introducing syrup or cleaning water or the like, have been omitted in FIG. 1 ; these lines can be suitably guided along the outside of the vessel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Commercial Cooking Devices (AREA)
  • Cereal-Derived Products (AREA)
  • Food-Manufacturing Devices (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Air Supply (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Cookers (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
US10/829,480 1998-03-10 2004-04-21 Drum cooker Expired - Fee Related USRE39256E1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/829,480 USRE39256E1 (en) 1998-03-10 2004-04-21 Drum cooker

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19810240A DE19810240C1 (de) 1998-03-10 1998-03-10 Trommelkocher
PCT/EP1999/000796 WO1999045830A1 (de) 1998-03-10 1999-02-06 Trommelkocher
US09/658,478 US6286417B1 (en) 1999-02-06 2000-09-08 Drum cooker
US10/829,480 USRE39256E1 (en) 1998-03-10 2004-04-21 Drum cooker

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/658,478 Reissue US6286417B1 (en) 1998-03-10 2000-09-08 Drum cooker

Publications (1)

Publication Number Publication Date
USRE39256E1 true USRE39256E1 (en) 2006-09-05

Family

ID=7860336

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/829,480 Expired - Fee Related USRE39256E1 (en) 1998-03-10 2004-04-21 Drum cooker

Country Status (10)

Country Link
US (1) USRE39256E1 (da)
EP (1) EP1061842B1 (da)
AT (1) ATE239412T1 (da)
AU (1) AU747866B2 (da)
CA (1) CA2323420C (da)
DE (2) DE19810240C1 (da)
DK (1) DK1061842T3 (da)
ES (1) ES2198900T3 (da)
PT (1) PT1061842E (da)
WO (1) WO1999045830A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10002550A1 (de) * 2000-01-21 2001-07-26 Rudolf Bichsel Trommelkocher mit selbstreinigender Entlüftungsdüse
DE10102414A1 (de) 2001-01-16 2002-07-25 Rudolf Bichsel Drucktragender Verschlußdeckel mit automatischer Verriegelung
CN109170979A (zh) * 2018-08-27 2019-01-11 阜阳市雪伟食品有限公司 一种炒货食品翻炒除尘装置

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1231002A (en) * 1915-02-25 1917-06-26 Charles Dawson Wheat washing, rinsing, and drying machine.
US1290396A (en) * 1915-08-09 1919-01-07 Sprague Canning Machinery Company Blanching-machine.
US1806957A (en) * 1931-05-26 stocking
US2166197A (en) * 1934-12-06 1939-07-18 Best Foods Inc Working and kneading apparatus
US2314871A (en) * 1939-08-12 1943-03-30 Chisholm Ryder Co Inc Apparatus for treating foodstuffs
US2909872A (en) * 1958-02-10 1959-10-27 Detrex Chem Ind Cleaning machines
US3135668A (en) * 1960-10-20 1964-06-02 Dominion Malting Ontario Ltd Grain processing equipment
US3484360A (en) * 1968-11-04 1969-12-16 Paul W Sandrock Closure for plating drum
US3760714A (en) * 1971-12-29 1973-09-25 D Lortz Blanching apparatus
US4203358A (en) * 1975-09-18 1980-05-20 Hans Vogt Device for cooking foodstuffs
US4335649A (en) * 1980-06-02 1982-06-22 Amigos Food Company, Inc. Method and apparatus for producing masa corn
US4410553A (en) * 1981-08-28 1983-10-18 Mcginty James Method and apparatus for cooking particulate foodstuffs
US4906104A (en) * 1987-03-03 1990-03-06 Minolta Camera Kabushiki Kaisha Agitating and supplying device and a mold for molding same
JPH0662968A (ja) * 1991-03-19 1994-03-08 Mitsubishi Electric Corp 回転調理機
US5329842A (en) * 1993-09-15 1994-07-19 Lyco Manufacturing, Inc. Combination blancher and cooler

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1806957A (en) * 1931-05-26 stocking
US1231002A (en) * 1915-02-25 1917-06-26 Charles Dawson Wheat washing, rinsing, and drying machine.
US1290396A (en) * 1915-08-09 1919-01-07 Sprague Canning Machinery Company Blanching-machine.
US2166197A (en) * 1934-12-06 1939-07-18 Best Foods Inc Working and kneading apparatus
US2314871A (en) * 1939-08-12 1943-03-30 Chisholm Ryder Co Inc Apparatus for treating foodstuffs
US2909872A (en) * 1958-02-10 1959-10-27 Detrex Chem Ind Cleaning machines
US3135668A (en) * 1960-10-20 1964-06-02 Dominion Malting Ontario Ltd Grain processing equipment
US3484360A (en) * 1968-11-04 1969-12-16 Paul W Sandrock Closure for plating drum
US3760714A (en) * 1971-12-29 1973-09-25 D Lortz Blanching apparatus
US4203358A (en) * 1975-09-18 1980-05-20 Hans Vogt Device for cooking foodstuffs
US4335649A (en) * 1980-06-02 1982-06-22 Amigos Food Company, Inc. Method and apparatus for producing masa corn
US4410553A (en) * 1981-08-28 1983-10-18 Mcginty James Method and apparatus for cooking particulate foodstuffs
US4906104A (en) * 1987-03-03 1990-03-06 Minolta Camera Kabushiki Kaisha Agitating and supplying device and a mold for molding same
JPH0662968A (ja) * 1991-03-19 1994-03-08 Mitsubishi Electric Corp 回転調理機
US5329842A (en) * 1993-09-15 1994-07-19 Lyco Manufacturing, Inc. Combination blancher and cooler
US5429041A (en) * 1993-09-15 1995-07-04 Lyco Manufacturing, Inc. Blancher with multiple heating zones

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
XP-002108205-Rotary Cereal Cooker, 1999; 1-page. *

Also Published As

Publication number Publication date
ATE239412T1 (de) 2003-05-15
DK1061842T3 (da) 2003-09-01
CA2323420A1 (en) 1999-09-16
EP1061842B1 (de) 2003-05-07
CA2323420C (en) 2006-04-18
AU747866B2 (en) 2002-05-23
DE19810240C1 (de) 1999-09-09
EP1061842A1 (de) 2000-12-27
AU2925299A (en) 1999-09-27
WO1999045830A1 (de) 1999-09-16
DE59905460D1 (de) 2003-06-12
ES2198900T3 (es) 2004-02-01
PT1061842E (pt) 2003-09-30

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