EP0895041A2 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
EP0895041A2
EP0895041A2 EP98306029A EP98306029A EP0895041A2 EP 0895041 A2 EP0895041 A2 EP 0895041A2 EP 98306029 A EP98306029 A EP 98306029A EP 98306029 A EP98306029 A EP 98306029A EP 0895041 A2 EP0895041 A2 EP 0895041A2
Authority
EP
European Patent Office
Prior art keywords
cool air
link member
refrigerator
blades
motor
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Withdrawn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
EP98306029A
Other languages
German (de)
English (en)
Other versions
EP0895041A3 (fr
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 KR1019970035939A external-priority patent/KR19990012524A/ko
Priority claimed from KR1019970035938A external-priority patent/KR100222930B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP0895041A2 publication Critical patent/EP0895041A2/fr
Publication of EP0895041A3 publication Critical patent/EP0895041A3/fr
Withdrawn legal-status Critical Current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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D17/06—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
    • 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
    • F25D2317/065—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 air return
    • F25D2317/0653—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 air return through the mullion
    • 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 including a cooling compartment, a heat pump, means for driving cool air produced by the heat pump through an aperture into the cooling compartment, and flow directing means associated with the aperture for directing said cool air and more particularly to a refrigerator which includes means for dispersing cool air uniformly into the cooling compartment.
  • refrigerators comprise a cabinet in which there is a freezing compartment and a fresh food compartment. These compartments are separated by a partition wall. 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 by a fan into each cooling compartment through cool air discharge ports opening thereinto.
  • Figures 1-3 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 a freezing and fresh food compartment 2,3 in a cabinet 1, which are separated from each other by a partition wall 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 formed in it opening into the fresh food compartment 3.
  • 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 which comprises a rotatable vertical shaft 131 with cool air dispersing blades 132 assembled thereon in corresponding to respective cool air discharge ports 16, and a driving motor 135 for rotating the 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 cool air dispersing blades 132 are rotated continuously in only one direction, they will momentarily block the passage of cool air through the discharge ports 16 as they are rotated so the cool air cannot be supplied into the fresh food compartment 3 smoothly and uniform cooling cannot be achieved effectively.
  • a refrigerator including a cooling compartment, a heat pump, means for driving cool air produced by the heat pump through an aperture into the cooling compartment and cool air flow directing means associated with the aperture for directing said cool air characterised in that said flow directing means comprises a plurality of parallel blades connected by a link member and actuating means driven by drive means connected to the link member and operable to reciprocate said link member through a predetermined angular range.
  • the refrigerator has a cooling compartment for storing food, a duct in a side wall of said cooling compartment, said duct forming a cool air passage having at least one cool air discharge port opening into said cooling compartment, the refrigerator comprising: a plurality of horizontal-dispersing blades of planar plate shape installed near the cool air discharge port in said duct, said horizontal-dispersing blades being disposed in parallel with each other vertically, said horizontal-dispersing blades having rotational shafts respectively which are extended vertically; a link member hingedly assembled with said rotational shafts, said link member being capable of moving horizontally; and a means for driving said link member so that said link member reciprocates in a predetermined range.
  • the driving means comprises: a driving motor; and converting means for converting the rotational motion of said motor to a reciprocal movement of the link member.
  • the converting means comprises means for pushing the link member against a resilient biasing force in a horizontal direction, a drive shaft rotatable by said motor, said drive shaft being parallel with said rotational shaft and a protrusion extending in a direction transverse to the longitudinal axis of said drive shaft, said protrusion moving said link member against the resilient biasing force of the pushing means while said driving motor operates.
  • the pushing means comprises a casing fixed at a predetermined position, a drive rod having one end connected to said link member and the other end passing through the casing and positioned therein and a spring in said casing operable to push the driving rod against the casing in the horizontal direction.
  • the converting means comprises a drive member rotatable by said motor, said driving member having a pin which is eccentric with respect to a shaft of said driving motor and a slot formed in said link member which receives said pin.
  • the link member is mounted in a guide.
  • the present invention provides a stable cool air flow and a uniform distribution of the cool air without any vortex of the cool air in the cool air discharge ports.
  • the refrigerator shown in Figures 4 and 5 is the same as the prior art refrigerator shown in Figures 1-3 and comprises a cabinet 1 providing freezing compartment 2 and a fresh food compartment 3 which are separated by a partition wall 5.
  • the freezing compartment is disposed above the fresh food compartment 3 and both compartments are provided with respective doors 6 and 7.
  • Shelves 8 divide the fresh food compartment 3 into three separate areas namely an upper area, a middle area and a lower area.
  • a special fresh food chamber 18 for storing food which requires a specific temperature range is formed in the upper part 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 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.
  • the cool air generated by the evaporators 12a and 12b is supplied into the corresponding cooling compartments 2 and 3 by a freezing compartment fan 13a and a fresh food compartment fan 13b.
  • a duct plate 9 is attached on the inner wall plate 23 forming the rear inner wall of the fresh food compartment 3.
  • the duct plate 9 is partially cylindrical in shape so that it protrudes in the form of an arc from the inner wall plate 23 into the fresh food compartment 3 and has cool air discharge ports 16 opening into respective storing areas of the fresh food compartment 3.
  • Another cool air discharge port is also provided in the upper region of the inner wall plate 23 which opens into the fresh chamber 18.
  • a supply duct 15 and a return duct 17 are provided between the duct plate 9 and the rear wall 4 of the cabinet 1 which are partitioned from each other by a seal plate 25.
  • a duct member 21 for guiding the cool air blown by the fresh food compartment fan 13b downwardly is installed in the supply duct 15.
  • the cool air generated by the fresh food compartment evaporator 12b is blown by the fresh food compartment fan 13b so as to be supplied 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 is installed in the supply duct 15.
  • Figure 5 is a partial side sectional view of the cool air dispersing device 30 shown in Figure 4 and Figure 6 is an exploded perspective view of the cool air dispersing device shown in Figure 5.
  • the cool air dispersing device 30 has a plurality of horizontal-dispersing blades 33 mounted adjacent the discharge ports 16 in the supply duct 15.
  • the blades 33 are parallel with each other and vertically arranged.
  • Each blade 33 is connected to a rotatable shaft 31, whose upper and lower ends are inserted into supporting apertures 9h formed in the upper and lower portions of the duct plate 9.
  • Each shaft 31 has a pivot pin 37 at the upper portion thereof which protrudes transversely to the longitudinal axis of the shaft 31.
  • a link member 53 is fitted to the upper portion of the rotational shaft 31 and has a plurality of holes 55 therein which receive the pivot pins 37.
  • Activator 57 cooperates with protrusion 51 in a manner to be described later so that when the link member 53 is moved horizontally, the blades 33 are rotated.
  • the link member 53 is moved by a pushing device 65 which comprises a drive rod 75, a casing 69, a spring 71 and a supporting part 73.
  • the drive rod 75 passes through the flange 9e provided at the right hand side of the duct plate 9 and end 67 thereof is screwed to the link member 53, the other end of the driving rod 75 passing through the casing 69 and being located therein.
  • the supporting part 73 is provided at the other end of the driving rod 75, and the spring 71 is disposed between the supporting part 73 and the casing 69 to spring bias the link member 53 to the right.
  • Drive shaft 36 of motor 35 is coupled to shaft 34 which is parallel to the shaft 31.
  • the lower part of the drive shaft 34 is inserted into bearing hole 9g formed in the lower part of the duct plate 9.
  • the drive shaft 34 is supported by the bearing hole 9g for rotation therein.
  • Operating protrusion 51 extends from the upper part of the drive shaft 34 in a direction transverse to the longitudinal direction thereof and contacts the actuator 57 when the drive shaft 34 is rotated. Thus, the link member 53 is moved against the force of the spring 71 when the driving motor 35 operates.
  • the blades 33 move to the left, front and right, and the discharge direction of the cool air is changed successively. Therefore, the cool air is dispersed uniformly in the fresh food compartment 3.
  • the link member 53 reciprocates in a predetermined range, the blades 33 are rotated in a limited angular range. Therefore, cool air is supplied into the fresh food compartment 3 more smoothly and uniformly in comparison with a conventional refrigerator in which the cool air dispersing blades are rotated continuously.
  • the blades 33 are planar in shape, no vortex of cool air is generated while they are rotating.
  • Figure 10 is an exploded perspective view of the cool air dispersing device according to a second embodiment of the present invention and Figures 11-13 are perspective views of the assembled state of the device of Figure 10 and show the cool air dispersing process performed by the cool air dispersing device.
  • the same parts with those of the above described first embodiment are referred to with the same reference numerals.
  • each horizontal-dispersing blade 33 is the same as that of the first embodiment and the shaft 31 thereof is inserted into bearing apertures 9h and supported thereby.
  • Link member 93 has a plurality of holes 95 therein which receive the pivot pins 37 which is the same with the first embodiment.
  • a vertical slot 97 is formed at one end of the link member 93.
  • a drive member 87 is mounted on the shaft 86 of the motor 85 and has a pin 88 which is eccentric with respect to the shaft 86 and inserted into the slot 97.
  • the eccentric pin 88 reciprocates up and down in the slot 97 and the link member 93 reciprocates in the longitudinal direction thereof in groove 103 in a guide 101.
  • the eccentric pin 88 When the eccentric pin 88 is positioned at the lower region of the slot as shown in Figure 11, the horizontal-dispersing blades 33 are directed forwardly. As the eccentric pin 88 is rotated by the motor 85 continuously, the link member 93 reciprocates and rotates the blades 33 as shown in Figures 12 and 13 so the discharge direction of the cool air is consecutively changed by the blades.
  • the present invention provides an air flow which is stable and of a uniform distribution without any vortex in the cool air discharge ports.
  • the horizontal-dispersing blades do not rotate but pivot through a predetermined angular range, the efficiency for dispersing cool air is considerably enhanced.

Landscapes

  • 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)
EP98306029A 1997-07-29 1998-07-29 Réfrigérateur Withdrawn EP0895041A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1019970035939A KR19990012524A (ko) 1997-07-29 1997-07-29 냉기분배장치를 갖는 냉장고
KR9735938 1997-07-29
KR9735939 1997-07-29
KR1019970035938A KR100222930B1 (ko) 1997-07-29 1997-07-29 냉기분배장치를 갖는 냉장고

Publications (2)

Publication Number Publication Date
EP0895041A2 true EP0895041A2 (fr) 1999-02-03
EP0895041A3 EP0895041A3 (fr) 1999-10-06

Family

ID=26632973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98306029A Withdrawn EP0895041A3 (fr) 1997-07-29 1998-07-29 Réfrigérateur

Country Status (3)

Country Link
EP (1) EP0895041A3 (fr)
JP (1) JPH11101555A (fr)
CN (1) CN1207484A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013040774A1 (fr) * 2011-09-22 2013-03-28 海信容声(广东)冰箱有限公司 Structure de conduite d'air de réfrigérateur comprenant une évacuation d'air à vecteur ternaire
CN113970218A (zh) * 2020-07-24 2022-01-25 青岛海尔电冰箱有限公司 冷藏冷冻装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839097A (zh) * 2017-01-11 2017-06-13 珠海格力电器股份有限公司 空调器
JP2020094751A (ja) * 2018-12-13 2020-06-18 東芝ライフスタイル株式会社 冷蔵庫
CN111879048A (zh) * 2020-07-31 2020-11-03 海信容声(广东)冰箱有限公司 冰箱

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027278A1 (fr) 1994-03-30 1995-10-12 Harrison & Sons Limited Timbres auto-adhesifs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301569A (en) * 1978-05-12 1981-11-24 Mccabe Francis J Quadrant operator
JPH04177074A (ja) * 1990-11-13 1992-06-24 Hitachi Ltd 冷蔵庫
EP0627601A1 (fr) * 1993-05-15 1994-12-07 Paul Thurgood Dispositif de régulation du débit d'air
KR0162412B1 (ko) * 1995-10-13 1999-02-18 구자홍 냉장고의 신규 부하 집중 냉각장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027278A1 (fr) 1994-03-30 1995-10-12 Harrison & Sons Limited Timbres auto-adhesifs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013040774A1 (fr) * 2011-09-22 2013-03-28 海信容声(广东)冰箱有限公司 Structure de conduite d'air de réfrigérateur comprenant une évacuation d'air à vecteur ternaire
CN113970218A (zh) * 2020-07-24 2022-01-25 青岛海尔电冰箱有限公司 冷藏冷冻装置

Also Published As

Publication number Publication date
EP0895041A3 (fr) 1999-10-06
CN1207484A (zh) 1999-02-10
JPH11101555A (ja) 1999-04-13

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