US3675443A - Table for rotating freezing apparatus - Google Patents

Table for rotating freezing apparatus Download PDF

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Publication number
US3675443A
US3675443A US42065A US3675443DA US3675443A US 3675443 A US3675443 A US 3675443A US 42065 A US42065 A US 42065A US 3675443D A US3675443D A US 3675443DA US 3675443 A US3675443 A US 3675443A
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US
United States
Prior art keywords
plate
freezing
pockets
partitions
marginal portion
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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 - Lifetime
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US42065A
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English (en)
Inventor
Hans Gram
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Brodrene Gram AS
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Gram Brdr As
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Publication date
Application filed by Gram Brdr As filed Critical Gram Brdr As
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Publication of US3675443A publication Critical patent/US3675443A/en
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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D13/00—Stationary devices, e.g. cold-rooms
    • F25D13/06—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space
    • F25D13/065—Articles being submerged in liquid coolant

Definitions

  • This invention relates to a freezing table for freezing apparatuses comprising an annular plate provided with freezing pockets which, during the operation of the apparatus, are passed through a freezing zone and a thawing zone by rotating the table.
  • a table for a rotating freezing apparatus comprises an annular plate supporting upwardly open freezing pockets which extend downwardly from the plate and which during the operation of the freezing apparatus are rotated by means of the plate in order to move the freezing pockets through a zone along which the freezing pockets are in contact with freezing medium for freezing the contents of the pockets and through a zone along which the freezing pockets are in contact with a thawing medium in order to loosen the frozen bodies with respect to the freezing pockets
  • the plate being supported along the inner and outer marginal portions thereof by means of supporting rings and guided with respect to said rings by connections constructed in such a way that the marginal portions of the plate have the possibility of moving in the radial direction with respect to the supporting rings.
  • cushions of resilient material e.g. foam rubber may be positioned between the marginal portions of the plate and the supporting rings.
  • at least the ends of such partitions may according to the invention be connected to the plate by connecting means of such a kind that the ends of the partitions have the possibility to move in the radial direction with respect to the plate.
  • the partitions are swept by the cooling medium along both sides of the partitions along the major part of the circumference of the table and accordingly will adopt the temperature of the cooling medium and also the temperature of the thawing medium whereas the plate will not reach the temperature of the thawing medium.
  • the temperature of the partitions will range between approximately 40 F. (-40" C.) and approximately F. (+30 C.), viz. approximately 35 F. (20 C.) above the highest temperature of the plate.
  • FIG. IA and FIG. IB is a vertical radial section through the table along the section lines Ia
  • FIG. 2A and FIG. 213 a fragmentary top view of the table
  • FIG. 3 a section along the line IlIIlI in FIG. 2A on an enlarged scale
  • FIG. 4 a section along the line IVIV in FIG. 3.
  • 1 is an annular table plate the width of which is approximately half the external radius of the plate.
  • a freezing pocket 2 is inserted in each of the openings in such a way as to extend through the plate I and the upper end of each freezing pocket is provided with a collar 3 resting on the upper surface of the plate.
  • the freezing pockets 2 are secured to the plate I, e.g. by soldering.
  • the outer marginal portion of the plate I is supported by means of a supporting ring 4 (FIG. IB) and along the outer circumference the plate 1 is provided with a plurality of radially extending oblong holes 5, FIG. 28, through which screws 6 (FIG. IB) extend and the screws 6 are threaded into the supporting ring 4.
  • a sealing gasket 7 made of foam rubber is inserted and sliding sleeves 8 are provided on the screws 6 in such a way that the marginal portion of the plate can move with respect to the screw 6.
  • the innermost marginal portion 9 of the plate, cf. FIG. IA, is also supported by means of a supporting ring I0, and a gasket II of foam rubber is inserted between the supporting ring 10 and the marginal portion 9.
  • a gasket II of foam rubber is inserted between the supporting ring 10 and the marginal portion 9.
  • L-formed fasteners I2 are secured one leg 13 of which grips over the marginal portion 9.
  • the fasteners 12 are secured by means of screws 14 as indicated in FIG. 2A.
  • the skirt 15 and accordingly also the supporting ring 4 and the table are supported by means of rollers I7 rotatable on shafts 18 secured to the outer wall I9 of the machine for which the table is intended.
  • the inner supporting ring I0 is supported by means of rollers 20, FIG. IA, rotatable on shafts 21 supported in the apparatus.
  • a downwardly extending cylindrical partition 23, FIG. 1B is secured which together with a stationary upwardly extending cylindrical partition 24 forms a weir for freezing medium.
  • a cylindrical downwardly extending partition 26, FIG. IA is secured to the lower surface of the inner marginal portion of the plate I which partition 26 together with an upwardly extending cylindrical partition 27 forms a weir for the freen'ng medium.
  • cool ing medium is introduced through the bottom of the vessel formed by the partitions 24 and 27 as indicated by means of arrows 28, FIG. 1A and FIG. 1B.
  • partitions 30 are secured between the radial rows of freezing pockets.
  • the partitions 30 extend almost to the inner surface of the partition 24 and to the partition 27 in the radial direction.
  • the partitions 30 are supported by the plate 1 by means of lugs 32 the sectional form of which is clearly apparent from FIG. 4.
  • the lugs are formed in such a way that they comprise a horizontal upper leg 33 having a threaded hole for a screw 34 in such a way that the leg 33 is secured against the lower surface of the plate 1.
  • Each lug 32 also comprises a vertical leg 35 in which a screw 36 is secured which passes through a hole 37 in the corresponding partition 30.
  • each partition 30 Five lugs 32 are provided and the holes 37 in two of these lugs are circular whereas the holes 37 in the two outermost and the innermost lugs 32 are obling as shown in FIG. 3 in such a way that the outer and inner ends of the partitions 30 may move with respect to the plate 1 in the radial direction.
  • the freezing apparatus illustrated operates in the following manner:
  • the table 1 is rotated by means of the teeth 16 about the center axis (not shown) of the table and along the major part of the circumference of the freezing apparatus freezing medium is supplied as indicated by means of the arrows 28 in FIG. 1A and FIG. 1B.
  • the freezing medium will be guided by means of the partitions 30 in such a way that the freezing pockets are swept by the freezing medium guided by means of the partitions.
  • the freezing medium is discharged over the top edges of the partitions 24 and 27. Accordingly, the partitions 30, the freezing ockets and the corresponding portion of the plate 1 will be cooled down to e.g. approximately 40 F. (40 C.).
  • rollers 41 In order to guide the table as a whole a plurality of rollers 41 are provided along a circle at the internal edge of the inner supporting ring.
  • the rollers which are rotatable on shafts 42, center the table due to contact between the pheripheries of the rollers 41 and the inner side of the inner supporting ring 10.
  • It Freezing apparatus comprising a horizontal integral annular plate supporting upwardly open freezing pockets extending downwardly from said plate, a supporting ring connected to the lower surface of said plate at both the inner marginal portion and at the outer marginal portion thereof, means for supplying freezing medium to the outer surfaces of said pockets along a circumferential zone of said apparatus, means for supplying thawing medium to the outer surfaces of said pockets along another circumferential zone of said apparatus, and means for rotating said plate with said freezing pockets and said supporting rings about a vertical axis, characterized by said supportin rings being connected to saidplate by con necting means a said inner and outer marginal portions,
  • openings at said outer marginal portion of said plate said openings being elongated in a radial direction
  • said connecting means including bolt means extending through said openings, and said connecting means further including fasteners for said inner marginal portion spaced a slight distance inwardly thereof, whereby said inwardly spaced fasteners and said elongated openings define gaps allowing shifting movements of said plate in the radial direction.
  • Freezing apparatus characterized by cushions of resilient material disposed between said marginal portions of said plate and said supporting rings.
  • Freezing apparatus further comprising radially extending partitions secured to the lower side of said plate between said freezing pockets, characterized by at least the ends of said partitions being connected to said plate by connecting means defining gaps allowing shifting move ment of said partitions with respect to said plate in the radial direction.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
US42065A 1969-06-02 1970-06-01 Table for rotating freezing apparatus Expired - Lifetime US3675443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK296469AA DK122143B (da) 1969-06-02 1969-06-02 Bord til roterende frysemaskine.

Publications (1)

Publication Number Publication Date
US3675443A true US3675443A (en) 1972-07-11

Family

ID=8117616

Family Applications (1)

Application Number Title Priority Date Filing Date
US42065A Expired - Lifetime US3675443A (en) 1969-06-02 1970-06-01 Table for rotating freezing apparatus

Country Status (9)

Country Link
US (1) US3675443A (da)
BE (1) BE751269A (da)
DE (1) DE2026762A1 (da)
DK (1) DK122143B (da)
FR (1) FR2045796A1 (da)
GB (1) GB1314448A (da)
NL (1) NL7007926A (da)
NO (1) NO126971B (da)
SE (1) SE365041B (da)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363526A (en) * 1940-07-31 1944-11-28 James C Hobbs Heat exchanger
US2732184A (en) * 1956-01-24 Pivotally supported housing for rotary regenerators
US2791890A (en) * 1953-05-11 1957-05-14 Hoyer Oluf Gudmund Machine for producing solid moulded bodies, especially ice-cream bricks
US3024622A (en) * 1957-11-22 1962-03-13 Gram Brdr As Refrigerating apparatus for preparing frozen bodies of ice-cream
US3261178A (en) * 1964-04-03 1966-07-19 Morinaga Milk Industry Co Ltd Freezer for ice-cream bars and the like
US3287932A (en) * 1965-07-16 1966-11-29 Jr Alfred H Schlemmer Spray freezer tunnel
US3535889A (en) * 1966-06-25 1970-10-27 O T E M Apparatus for the continuous production of frozen comestibles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732184A (en) * 1956-01-24 Pivotally supported housing for rotary regenerators
US2363526A (en) * 1940-07-31 1944-11-28 James C Hobbs Heat exchanger
US2791890A (en) * 1953-05-11 1957-05-14 Hoyer Oluf Gudmund Machine for producing solid moulded bodies, especially ice-cream bricks
US3024622A (en) * 1957-11-22 1962-03-13 Gram Brdr As Refrigerating apparatus for preparing frozen bodies of ice-cream
US3261178A (en) * 1964-04-03 1966-07-19 Morinaga Milk Industry Co Ltd Freezer for ice-cream bars and the like
US3287932A (en) * 1965-07-16 1966-11-29 Jr Alfred H Schlemmer Spray freezer tunnel
US3535889A (en) * 1966-06-25 1970-10-27 O T E M Apparatus for the continuous production of frozen comestibles

Also Published As

Publication number Publication date
GB1314448A (en) 1973-04-26
DE2026762A1 (de) 1970-12-17
SE365041B (da) 1974-03-11
DK122143B (da) 1972-01-24
NL7007926A (da) 1970-12-04
FR2045796A1 (da) 1971-03-05
BE751269A (fr) 1970-11-16
NO126971B (da) 1973-04-16

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