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21. 发明专利

JPH08247582A REFRIGERATING CYCLE 失效
公开(公告)号：JPH08247582A
公开(公告)日：1996-09-27
申请号：JP5264295
申请日：1995-03-13
申请人： TOSHIBA CORP
发明人： NAKAYAMA KUMIKO , YOSHIDA TAKASHI , MORITA MASAAKI , YABUKI MOTOO , KONUMA MASATAKA , INABA MICHIHIKO , SANPEI HIDEO , YAMASHITA HARUHISA , FUJII KANAKO
IPC分类号： F25B41/00 , F25B43/00
摘要： PURPOSE: To provide a refrigerating cycle in which various harms due to the deposition of contaminant generated in the cycle using a sealed refrigerating compressor in which substitute fluorocarbon is used as refrigerant is prevented and a long term stable state is continued. CONSTITUTION: This refrigerating cycle uses as a throttle mechanism a plurality of mechanism having a tube 5 filled with filler or a branch valve for branching the passage of refrigerant at an arbitrary one position. A contaminant collecting tube is provided via a switching valve separately from the normal channel. Or, a mixture of synthetic oil such as ester series, naphthene mineral oil, paraffin mineral oil and alkylbenzene synthetic oil are mixed at a specific ratio is used as the lubricant of a compressor 1.

22. 发明专利

JPH0755324A REFRIGERATOR 失效
公开(公告)号：JPH0755324A
公开(公告)日：1995-03-03
申请号：JP19943793
申请日：1993-08-11
申请人： TOSHIBA CORP
发明人： HIRAI SHINJI , YAMASHITA HARUHISA
IPC分类号： F25D19/00
摘要： PURPOSE:To secure a cooling air volume to a satisfactory extent and cool a condenser and a compressor to a satisfactory extent even when the resistance of supply air is increased in a duct or a machine room. CONSTITUTION:A refrigerator is provided with a duct 14 and a machine chamber 19 on the bottom of a refrigerator main body where a condenser is laid out in the duct 14 while a compressor 20 is laid out in the machine chamber 19 so that the machine chamber 19 may be connected to the duct 14 by way of a communication hole 18. An open air which is sucked up from air inlets 16 and 17 is arranged to pass through the duct 14 and the machine chamber 19 and then to be exhausted from an exhaust port 23 in the rear part of the machine chamber 19. Furthermore, in the machine chamber 19, there are laid out a first fan device 32 and a second fan device 24 respectively on the windward and the lee of the compressor 20.

23. 发明专利

JPS61168772A VACUUM HEAT-INSULATING PANEL 失效
公开(公告)号：JPS61168772A
公开(公告)日：1986-07-30
申请号：JP886985
申请日：1985-01-21
申请人： TOSHIBA CORP
发明人： INOUE HIROSHI , YAMASHITA HARUHISA
IPC分类号： F25D23/06 , F25D19/00

24. 发明专利

JPH09269180A REFRIGERATOR WITH EVAPORATION PIPES PROVIDED WITH SACRIFICE ANODE 失效
公开(公告)号：JPH09269180A
公开(公告)日：1997-10-14
申请号：JP7730296
申请日：1996-03-29
申请人： TOSHIBA CORP
发明人： HIRASHIKI KENICHI , SANPEI HIDEO , TANIDA TOSHIHIKO , YAMASHITA HARUHISA , FUJII KANAKO
IPC分类号： F25D21/14
摘要： PROBLEM TO BE SOLVED: To improve a heat radiating characteristic and the durability of corrosion resistance compatibly by contacting or connecting a material that comprises metal with larger ionization tendency than that of the metal that comprises an evaporator pipe arranged in an evaporator pan or an alloy that includes the metal as a component of it to an evaporating pipe as a sacrifice anode. SOLUTION: A copper pipe 2 is arranged inside an evaporator pan 3 that is arranged on a compressor and evaporates flowing-down defrosted water by the heat of the compressor. The evaporator pipes 2 are formed by connecting straight parts of pipes with U bent parts and fixed by hardware to the bottom of the evaporating pan detached from the bottom of it. The evaporator pipes 2 are provided with fins that comprise zinc radiator plates 4 and the heat radiating plates 4 promotes the heat radiation of the evaporator pipes, that is the evaporation of defrosted water. The heat radiating plates 4 work as the sacrifice anode that prevents the corrosion of the evaporator pipes 2 and the heat radiating plates 4 are corroded with oxidation by the defrosted water that includes some acid but the holes by the corrosion of the heat radiating plates 4 cause no problems.

25. 发明专利

JPH0798090A VACUUM HEAT INSULATION PANEL AND MANUFACTURE FOR HEAT INSULATION BOX BODY IN WHICH VACUUM HEAT INSULATION PANEL IS USED 失效
公开(公告)号：JPH0798090A
公开(公告)日：1995-04-11
申请号：JP24430293
申请日：1993-09-30
申请人： TOSHIBA CORP
发明人： YAMASHITA HARUHISA
IPC分类号： F16L59/04 , F16L59/06 , F25D23/06
摘要： PURPOSE:To provide a vacuum heat insulation panel for suppressing effectively such a state as deteriorated vacuum degree due to secular change, and also manufacture easily a heat insulation box body by utilizing such a vacuum heat insulation panel. CONSTITUTION:A vacuum heat insulation panel 1 is formed in such constitution as being provided with three unit air tight parts 1a by forming each sealing part 2a formed in a shape which crosses a part positioned in each space between filling bodies in a sheath body while arranging the three filling bodies in a bag shaped sheath body at prescribed intervals. A flat iron plate 7 is bent along a prescribed bending line so as to constitute right and left side walls and a ceiling wall of an outer box for a heat insulation box body, and the vacuum heat insulation panel 1 is stuck and fixed on the iron plate 7 so as to make condition in which the sealing part 2a of the vacuum heat insulation plate 1 is faces to the bent line. In this condition, the iron plate 7 is bent along the bent line, so that each unit air tight part 1a provided on the vacuum heat insulation panel 1 is positioned on the inner side of the outer box.

26. 发明专利

JPH05157442A STORAGE CHAMBER 失效
公开(公告)号：JPH05157442A
公开(公告)日：1993-06-22
申请号：JP32354191
申请日：1991-12-09
申请人： TOSHIBA CORP
发明人： OKAMOTO TAKAYUKI , YAMASHITA HARUHISA
IPC分类号： F25D23/00 , F25D29/00
摘要： PURPOSE:To free a drawer type storage part, when pushed to or allowed to go in by itself, from such an influence of a returning spring of a detective switch that may cause the storage part to be half shut. CONSTITUTION:A detective switch 19 is provided in a setup in which, when a refrigeration chamber (storage part) 12 is opened, a movable rail (a constituent part of the storage part) 14 presses an actuator 20, thereby causing the detective switch 19 to detect the refrigeration chamber 12 being opened and, when the refrigeration chamber 12 is pushed back, the movable rail 14 releases the actuator 20 from the pressure, thereby causing the detective switch 19 to detect the refrigeration chamber 12 being shut. In this setup the resilience of the returning spring of the detective switch 19 acts when the refrigeration chamber 12 is opened and does not act when the refrigeration chamber 12 is shut.

27. 发明专利

JPH02254279A DEODORIZING DEVICE FOR REFRIGERATOR AND THE LIKE 失效
公开(公告)号：JPH02254279A
公开(公告)日：1990-10-15
申请号：JP7715789
申请日：1989-03-29
申请人： TOSHIBA CORP
发明人： YAMASHITA HARUHISA
IPC分类号： F25D23/00
摘要： PURPOSE:To extend the service life of deodorizing performance and improve deodorizing efficiency by providing a heater which heats a deodorizing material and a plurality of holding claws which hold said covered deodorizing material installed to the opposite side of the heater. CONSTITUTION:A cover 14 is made of a metal plate having a heat resistant and water proof and it is longer transversely so that it may cover over a defrosting heater 13. This construction makes it possible to prevent the defrosted water from splashing over the defrosting heater 13 during the defrosting operation of a cooler 6. A holding member 15 installed to the inside of the cover 14 by spot welding or the like, is made of a material having a high coefficient of thermal conductivity and provided with a plurality of L-shaped claws on both front and rear edges. A regulation piece 17 is cut and raised on both ends of the claw. A metal net 19 is adapted to cover each deodorizing substance 17. Under this state, each claw 16 is bent inwardly so as to hold the metal net 19. A deodorizing member 20, which comprises a deodorizing substance 18 and the metal net 19, can be held and fixed by each claw 16 at several locations, which makes it possible to extend the service life of deodorizing performance and improve deodorizing efficiency.

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