EP0899525A2 - Kühlschrank mit Kühlluftverteilvorrichtung - Google Patents

Kühlschrank mit Kühlluftverteilvorrichtung Download PDF

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Publication number
EP0899525A2
EP0899525A2 EP98306883A EP98306883A EP0899525A2 EP 0899525 A2 EP0899525 A2 EP 0899525A2 EP 98306883 A EP98306883 A EP 98306883A EP 98306883 A EP98306883 A EP 98306883A EP 0899525 A2 EP0899525 A2 EP 0899525A2
Authority
EP
European Patent Office
Prior art keywords
blade
cool air
refrigerator
dispersing
auxiliary
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Withdrawn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
EP98306883A
Other languages
English (en)
French (fr)
Other versions
EP0899525A3 (de
Inventor
Joon Dong Ji
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1019970042265A external-priority patent/KR19990018971A/ko
Priority claimed from KR1019970042264A external-priority patent/KR19990018970A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP0899525A2 publication Critical patent/EP0899525A2/de
Publication of EP0899525A3 publication Critical patent/EP0899525A3/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Withdrawn legal-status Critical Current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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/075—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having parallel rods or lamellae directing the outflow, e.g. the rods or lamellae being individually adjustable
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F25D2317/0672—Outlet ducts
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0682—Two or more fans
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion

Definitions

  • the present invention relates to a refrigerator comprising a cooling compartment, an aperture opening into the compartment, a heat pump and cool air distributing means for supplying cool air generated by the heat pump to the compartment through the aperture.
  • a refrigerator has a cabinet in which there are a freezing compartment and a fresh food compartment.
  • a partition wall separates these compartments. Doors are provided at the front of the freezing and cooling compartments.
  • a cooling system supplies the freezing compartment and the fresh food compartment with cool air and comprises a compressor, a condenser and an evaporator. The cool air generated by the evaporator flows along a supply duct formed at the back of each compartment, and is then supplied into each cooling compartment through cool air discharge ports opening thereinto by a fan.
  • Figures 1 though 3 are a side view, a partial enlarged sectional view, and an exploded perspective view of the main elements of a refrigerator having a device for dispersing cool air as disclosed in WO-A-95/27278.
  • a refrigerator comprises freezing and fresh food compartments 2, 3 in a cabinet 1, which are separated from each other by a partition 5.
  • Respective doors 6, 7 are provided for closing the compartments 2, 3.
  • a cooling system comprising a compressor 11, a condenser (not shown), a freezing compartment evaporator 12a, and a fresh food compartment evaporator 12b, is installed in the cabinet 1. Cool air generated by the evaporators 12a, 12b is supplied to the corresponding compartments 2, 3 by a freezing compartment fan 13a and a fresh food compartment fan 13b respectively.
  • a partially cylindrical duct plate 9 is attached to an inner wall plate 23 forming the rear inner wall surface of the fresh food compartment 3.
  • the duct plate 9 has cool air discharge ports 16, opening into the fresh food compartment 3, formed in it.
  • a supply duct 15 and a return duct 17, separated from each other by a seal plate 25, are provided between the duct plate 9 and the rear wall 4 of the cabinet 1.
  • a duct member 21, for guiding downwards cool air blown by the fresh food compartment fan 13b, is installed in the supply duct 15. Cool air generated by the fresh food compartment evaporator 12b is blown by the fresh food compartment fan 13b and then supplied to the fresh food compartment 3 via the supply duct 15 and the cool air discharge ports 16.
  • a cool air dispersing device 130 is installed in the supply duct 15.
  • the cool air dispersing device 130 comprises a rotational shaft 131 having a vertical axis, cool air dispersing blades 132 assembled with the rotational shaft 131 in correspondence with respective cool air discharge ports 16, and a driving motor 135 for rotating the rotational shaft 131.
  • Each of the cool air dispersing blades 132 comprises three discs 136, 137, 138 disposed in parallel with each other along the shaft 131, and first and second blade parts 133, 134 disposed between pairs of the discs 136, 137, 138.
  • Each of the blade parts 133, 134 is curved so that its cross-section is loosely S-shaped.
  • the blade parts 133, 134 are bent in opposite directions to each other.
  • the blade parts 133, 134 of the cool air dispersing device 130 are S-shaped, the left or right sides of the fresh food compartment 3 may not be supplied with the cool air sufficiently and the smooth flow of cool air may be impeded by a vortices in the cool air formed about the cool air discharge ports 16.
  • a refrigerator according to the present invention is characterised in that the cool air distributing means comprises a vertical planar blade, rotatable about a vertical axis, and an auxiliary blade mounted to the planar blade and extending normal to a major face thereof.
  • a further auxiliary blade is mounted to the planar blade and the auxiliary blade extend in opposite directions.
  • the or each auxiliary blade is semi-disc-shaped.
  • the angle of inclination of the auxiliary blade or blades can be changed manually.
  • the or an auxiliary blade has a first projection extending into a hole in the planar blade so as to form a pivot and a second projection extending into a notched slot arcing about the hole, the notches serving to retain the second projection so that a plurality of auxiliary blade inclinations can be selected.
  • a refrigerator according to the present invention comprises a freezing compartment 2 and a cooling compartment 3 in a cabinet 1.
  • the compartments 2, 3 are separated by a horizontal partition. Doors 6, 7 are provided respectively for the compartments 2, 3.
  • Shelves 8 for supporting food are provided in the fresh food compartment 3 and divide it into three areas one above another.
  • a special fresh chamber 18 for storing food that requires a specific temperature range is formed at the top of the fresh food compartment 3 and a vegetable chamber 19 for storing vegetables is formed at the bottom of the fresh food compartment 3.
  • a heat pump comprising a compressor 11, a condenser (not shown), a freezing compartment evaporator 12a, and a fresh food compartment evaporator 12b, is installed in the cabinet 1.
  • Cool air generated by the evaporators 12a, 12b is supplied into the corresponding cooling compartments 2, 3 by the freezing compartment fan 13a and the fresh food compartment fan 13b.
  • a supply duct 15 and a return duct 17 are provided at the back of the fresh food compartment 3.
  • the cool air generated by the fresh food compartment evaporator 12b is driven by the fresh food compartment fan 13b into the fresh food compartment 3 via the supply duct 15 and the cool air discharge ports 16.
  • a device 30 for dispersing the cool air vertically is installed in the supply duct 15.
  • First and second temperature sensors 9a, 9b are installed in the fresh food compartment 3.
  • the first temperature sensor 9a is installed in the left upper part of the fresh food compartment 3 and the second temperature sensor 9b is installed in the right lower part of the fresh food compartment 3.
  • the cool air dispersing device 30 comprises a vertical rotational shaft 31 disposed in the supply duct 15, a plurality of cool air dispersing blades 41a, 41b, 41c on the rotational shaft 31, a plurality of auxiliary blades 51 on the faces of respective dispersing blades 41a, 41b, 41c, and a driving motor 35 for rotating the rotational shaft 31.
  • the upper end 33 of the rotational shaft 31 is coupled to the shaft 36 of the driving motor 35 and its lower end 34 is received in a supporting hole 29 formed in a lower flange 28 of the duct plate 27.
  • the driving motor 31 is a stepping motor, so the angular position of the rotational shaft 31 can be controlled.
  • three discharge ports 16a, 16b, 16c are provided on the duct plate 27 one above another and three dispersing blades 41a, 41b, 41c are associated with respective discharge ports 16a, 16b and 16c.
  • the dispersing blades 41a, 41b, 41c rotate together with the rotational shaft 31.
  • the dispersing blades 41a, 41b, 41c control the discharge horizontal direction of cool air discharging through the discharge ports 16.
  • the dispersing blades 41a, 41b, 41c are rectangular plates.
  • the rotational shaft 31 extends along the vertical centreline of each of the dispersing blades 41a, 41b, 41c.
  • each of the dispersing blades 41a, 41b, 41c is divided into a pair of blade parts 43a, 43b separated by the rotational shaft 31.
  • the auxiliary blades 51 are disposed so as to protrude from the planes of the blade parts 43a, 43b.
  • the auxiliary blades 51 are semi-disc-shaped, as shown in Figure 8, and each has a pair of installation pins 55. Screws 59 are received axially within respective installation pins 55.
  • a pair of fixing holes 45, 47 are formed in each of the blade parts 43a, 43b of the dispersing blades 41a, 41b, 41c.
  • the installation pins 55 of the auxiliary blades 51 are inserted into the fixing holes 45, 47.
  • the screws 59 are screwed into the installation pins 55 to hold the auxiliary blades 51 on the dispersing blades 41a, 41b, 41c.
  • the radially outer fixing holes 47 are elongate and arc around respective inner fixing holes 45.
  • the auxiliary blade 51 can pivot about the inner fixing hole 45.
  • Notches 49a, 49b, 49c are formed at the upper, middle, and lower parts of the outer fixing holes 47.
  • the installation pins 55 can be selectively located in the notches 49a, 49b and 49c so that the angles of the auxiliary blades can be selectively fixed.
  • the auxiliary blades 51 control the discharge direction of cool air discharging through the discharge ports 16 vertically according to the rotational position thereof.
  • one auxiliary blade 51 is installed on each of the blade parts 43a, 43b so that two auxiliary blades 51 are disposed oppositely to each other on one dispersing blade.
  • a control part which is not shown, drives the driving motor 35 on the basis of the temperature in the fresh food compartment 3 sensed by the temperature sensors 9a, 9b. That is, when a rise in temperature of in specific area in the fresh food compartment 3 is detected by the temperature sensors 9a, 9b, the control part stops the rotational shaft 31 so that the cool air is guided by the dispersing blades 41a, 41b, 41c toward the specific area.
  • the specific area is cooled in a concentrated manner, and the temperature in the fresh food compartment 3 becomes uniform quickly.
  • a user can control the vertical discharge direction of cool air by changing the angular position of the auxiliary blades 51 manually. While the auxiliary blades 51 are tilted and the rotational shaft 31 is rotating continuously, cool air is dispersed vertically. If, however, the rotational shaft 31 is stopped, concentrated cooling of a specific area in the vertical direction is performed.
  • the constructions of the driving motor 35, the rotational shaft 31, and the dispersing blades 41a, 41b and 41c are the same as those in the above-described first embodiment.
  • auxiliary blades 71, 72 are assembled on both sides of the blade parts 43a, 43b.
  • the auxiliary blades 71, 72 are semi-disc-shaped like those of the first embodiment.
  • One auxiliary blade 71 has a pair of installation pins 75
  • the other auxiliary blade 72 has a pair of installation holes 76 which receive the installation pins 75.
  • the operation of the cool air dispersing device 60 according to the present embodiment is the same as that of the first embodiment. That is, while the rotational shaft 31 is rotating continuously, the horizontal and vertical dispersing of cool air is performed by the dispersing blades 41a, 41b, 41c and auxiliary blades 71, 72. Furthermore, while the rotational shaft 31 is stopped, concentratived cooling of a specific area in the horizontal and vertical directions is performed.
  • a stable cool air flow and a uniform distribution of cool air in horizontal and vertical directions can be achieved without vortices being formed in the cool air flow near the cool air discharge ports.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP98306883A 1997-08-28 1998-08-27 Kühlschrank mit Kühlluftverteilvorrichtung Withdrawn EP0899525A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR9742264 1997-08-28
KR9742265 1997-08-28
KR1019970042265A KR19990018971A (ko) 1997-08-28 1997-08-28 냉기분배장치를 갖는 냉장고
KR1019970042264A KR19990018970A (ko) 1997-08-28 1997-08-28 냉기분배장치를 갖는 냉장고

Publications (2)

Publication Number Publication Date
EP0899525A2 true EP0899525A2 (de) 1999-03-03
EP0899525A3 EP0899525A3 (de) 2000-01-12

Family

ID=26633038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98306883A Withdrawn EP0899525A3 (de) 1997-08-28 1998-08-27 Kühlschrank mit Kühlluftverteilvorrichtung

Country Status (4)

Country Link
EP (1) EP0899525A3 (de)
JP (1) JPH11132628A (de)
KR (1) KR100482002B1 (de)
CN (1) CN1210245A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003106735A (ja) * 2001-09-27 2003-04-09 Sanyo Electric Co Ltd 冷却貯蔵庫
JP2003200363A (ja) 2001-12-26 2003-07-15 Makita Corp バッテリ式電動工具
KR100498386B1 (ko) * 2002-12-06 2005-07-01 엘지전자 주식회사 냉장고의 냉기 토출장치
KR101053578B1 (ko) 2003-12-20 2011-08-03 엘지전자 주식회사 냉장고의 냉기 공급 구조
KR101065684B1 (ko) * 2003-12-20 2011-09-19 엘지전자 주식회사 냉장고의 냉기 유동 구조
CN102679669B (zh) * 2011-03-18 2015-08-19 海信（山东）冰箱有限公司 一种送风式冷藏风道导引结构
CN108548365B (zh) * 2015-09-15 2020-10-30 青岛海尔股份有限公司 冰箱变温室冷气供给装置及方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027278A1 (en) 1994-03-30 1995-10-12 Harrison & Sons Limited Self-adhesive stamps

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621578A (en) * 1949-08-13 1952-12-16 Trane Co Adjustable air distributor
US3587442A (en) * 1969-03-13 1971-06-28 Keeler Brass Co Louver assembly
US4702156A (en) * 1984-11-19 1987-10-27 Nihon Plast Co., Ltd. Ventilator grill and method for assembling the same
KR0160424B1 (ko) * 1994-06-01 1999-01-15 윤종용 냉장고

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027278A1 (en) 1994-03-30 1995-10-12 Harrison & Sons Limited Self-adhesive stamps

Also Published As

Publication number Publication date
JPH11132628A (ja) 1999-05-21
KR100482002B1 (ko) 2005-06-08
KR19990023804A (ko) 1999-03-25
EP0899525A3 (de) 2000-01-12
CN1210245A (zh) 1999-03-10

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