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1. JP2020106214 - REFRIGERATOR

Office
Japan
Application Number 2018245419
Application Date 27.12.2018
Publication Number 2020106214
Publication Date 09.07.2020
Publication Kind A
IPC
F25D 17/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
17Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
04for circulating gas, e.g. by natural convection
06by forced circulation
08using ducts
F25D 21/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
21Defrosting; Preventing frosting; Removing condensed or defrost water
04Preventing the formation of frost or condensate
F25D 21/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
21Defrosting; Preventing frosting; Removing condensed or defrost water
06Removing frost
08by electric heating
CPC
F25B 39/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
39Evaporators; Condensers
02Evaporators
F25D 17/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
17Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
04for circulating air, e.g. by convection
06by forced circulation
08using ducts
F25D 21/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
21Defrosting; Preventing frosting; Removing condensed or defrost water
04Preventing the formation of frost or condensate
F25D 21/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
21Defrosting; Preventing frosting; Removing condensed or defrost water
06Removing frost
08by electric heating
Applicants AQUA KK
アクア株式会社
Inventors AOKI HITOSHI
青木 均史
TSUCHIDA TOSHIYUKI
土田 俊之
Agents 岡田 義敬
大竹 雅久
岡田 敬
下茂 力
Title
(EN) REFRIGERATOR
(JA) 冷蔵庫
Abstract
(EN)

PROBLEM TO BE SOLVED: To solve the problem that an air quantity of cold air to be sucked into a cooling chamber cannot be sufficiently secured in a conventional refrigerator and there is the risk that cooling efficiency is reduced.

SOLUTION: In a refrigerator 10, a refrigerating chamber return air duct 43 is around a suction port 45 communicating with a cooling chamber 21, and an expansion part 63 is formed on a back wall 13A of an inner box 13 constituting the cooling chamber 21. The suction port 45 is formed while being enlarged to a region in which the expansion part 63 is formed. Further, a notched region 53A is formed around a region opposed to the suction port 45 on a sidewall 53 of a cooler 22. In such a structure, a flow of cold air around the suction port 45 of the cooling chamber 21 becomes smooth, the quantity of air to be sucked into the cooling chamber 21 is secured, cold air is prevented from being stagnated around the suction port 45, and cooling efficiency of the refrigerator 10 is prevented from being reduced.

SELECTED DRAWING: Figure 5

COPYRIGHT: (C)2020,JPO&INPIT

(JA)

【課題】従来の冷蔵庫では、冷却室内へと吸い込まれる冷気の風量を十分に確保できず、冷却効率が悪化する恐れがあるという課題がある。
【解決手段】本発明の冷蔵庫10では、冷蔵室戻り風路43が冷却室21と連通する吸込口45の周辺であり、冷却室21を構成する内箱13の背面壁13Aに膨出部63が形成されている。また、吸込口45は、膨出部63の形成領域まで拡大して形成されている。更には、冷却器22の側壁53には、吸込口45との対向領域を中心に切り欠き領域53Aが形成されている。この構造により、冷却室21の吸込口45の周辺の冷気の流れがスムーズとなり、冷却室21へと吸い込まれる風量が確保され、吸込口45周辺での冷気の滞留を防ぎ、冷蔵庫10の冷却効率が悪化することが防止される。
【選択図】図5

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