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    LEAK DETECTION METHOD OF THERMOELECTRIC HEAT EXCHANGER BLOCK WITH BUILT-IN THERMOELECTRIC MEMBER
    2.
    发明专利
    LEAK DETECTION METHOD OF THERMOELECTRIC HEAT EXCHANGER BLOCK WITH BUILT-IN THERMOELECTRIC MEMBER 失效

    公开(公告)号：JPH10300621A

    公开(公告)日：1998-11-13

    申请号：JP10600397

    申请日：1997-04-23

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： ARAKAWA TOSHIKAZU ,  KUWAJIMA KATSUYUKI ,  TOKUNAGA SHIGEOMI ,  NAKAGAWA OSAMU ,  KITAGAWA HIROAKI ,  MAEDA MUNEKAZU

    IPC: G01M3/04 ,  F25B21/02

    Abstract: PROBLEM TO BE SOLVED: To make the existence inspection of a leak in a thermoelectric heat exchanger block easily possible. SOLUTION: A pressure fluid is filled from the outside between bisected shell members 53, 54 through a through hole 201 provided within either of the bisected shell members 53, 54, between inner seal parts S1, S2 for sealing the space between the shell members 53, 54 and the heating surfaces 80, 81 each of a thermoelectric member 5 in the circumference of the formation part of a heating medium passage cavities 7, 8 and an outer seal part 88 for sealing the gap between the bisected shell members 53, 54, of the outer circumference thereof, the existence of a leak in the inner seal part S1, S2 and the outer seal part S3 is inspected at the first inspection from the state of the filled pressure fluid, and the through hole 201 is sealed after the inspection.

    REFRIGERATOR
    3.
    发明专利
    REFRIGERATOR 失效

    公开(公告)号：JPH04244577A

    公开(公告)日：1992-09-01

    申请号：JP893991

    申请日：1991-01-29

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： KAMITSUJI TOSHIO ,  UMEOKA IKUTOMO ,  KAMEI YASUHIRO ,  ARAKAWA TOSHIKAZU

    IPC: F25D19/00 ,  F25D21/04 ,  F25D21/14

    Abstract: PURPOSE:To provide a refrigerator having no anxiety of dew-condensation with low noise without impairing evaporating capacity by solving problems of a decrease in evaporating capacity and the dew-condensation to a bottom of a refrigerator when a shield of noise to be generated from a compressor is provided. CONSTITUTION:A refrigerator in which a compressor and an evaporation tray are arranged in a lower portion, comprises a panel front 14 arranged on a lower front surface of the refrigerator, a plate 17 for shielding an opening 14a of the panel held between the panel and a decoration cover 16 provided in front of the panel 14, and a vent hole 2a for communicating the lower part with the upper part of the tray 2 at the front of the tray 2.

    REFRIGERATOR
    4.
    发明专利
    REFRIGERATOR 失效

    公开(公告)号：JPH049574A

    公开(公告)日：1992-01-14

    申请号：JP10905790

    申请日：1990-04-25

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： ARAKAWA TOSHIKAZU

    IPC: F25D21/08

    Abstract: PURPOSE:To prevent defrosting the upper part of a cooler, shorten defrost time, reduce the amount of consumption power, and prevent a rise in the interior temperature during defrosting operation by installing a cooler which successively connects a cooling pipe of each flow vertically, connects the upper end or the lower end of each adjacent row horizontally, further connects the upper end of a one side row with the lower end of the other side row, which adjoin only in one location, with a connection pipe, and installing a heater, which serves as a heat source, below the cooler. CONSTITUTION:In order to carry out more efficient heat transmission in a cooling pipe 8, cooling pipes 8 are laid out linearly in the shortest distance without zigzagging the cooling pipes 8, which connect the upper part of a cooler 1 with its lower part, before and behind as viewed from the side of the cooler 1. Furthermore, since the upper and lower parts of the cooler 1 are connected with a connection pipe 10, heat transmission by refrigerant is carried out actively not only in the cooling pipes 8 but also the connection pipe 10. Therefore, the differential temperature between the upper part and the lower part of the cooler 1 is quickly equalized so that defrost may be completed in an extremely shorter time compared with the time in a conventional art.

    ICE TRAY
    5.
    发明专利
    ICE TRAY 失效

    公开(公告)号：JPH02106674A

    公开(公告)日：1990-04-18

    申请号：JP26082588

    申请日：1988-10-17

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： ARAKAWA TOSHIKAZU ,  HONDA YOSHIAKI

    IPC: F25C1/24

    Abstract: PURPOSE:To enable an easy ice removal operation to be carried out under a simple lever operation for transparent ice block formed in an upper pan by a method wherein a lever mechanism utilizing a principle of lever is arranged at an outer circumference of upper ends of the upper pan and a lower pan. CONSTITUTION:A lever mechanism 6 is comprised of a projection 7 arranged at a flange 2b of a lower pan 2 and a lever 8. Engagement between the lever 8 and the projection 7 is carried out by fitting a fulcrum point 8a of the lever 8 into a small hole 7a of the projection 7. A force acting point 8b of the lever 8 is engaged with a rib 9 arranged at an upper end outer circumference of the upper pan 1. With such a configuration, as the lever 8 and the flange 2b of the lower pan 2 are held, its holding force is multiplied in a ratio of lever, act against a working point 8b and the rib 9. Then, the upper pan 1 can easily be peeled off from the lower pan 2. If the upper pan 1 can be taken out, transparent ice within the pan can be easily removed under quite same manner as that of the prior art handling of the ice tray.

    VEHICLE-MOUNTED REFRIGERATOR
    7.
    发明专利
    VEHICLE-MOUNTED REFRIGERATOR 失效

    公开(公告)号：JP2001174120A

    公开(公告)日：2001-06-29

    申请号：JP35432199

    申请日：1999-12-14

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： OGATA HIDEO ,  TOKUEI SHIGEOMI ,  ARAKAWA TOSHIKAZU ,  KITAGAWA HIROAKI ,  OKAMOTO YASUYUKI

    IPC: F25D11/00

    Abstract: PROBLEM TO BE SOLVED: To provide a vehicle-mounted refrigerator in which a battery can be prevented from dying even if the load current is varied by detecting overdischarge at a correct battery voltage even if the length of wiring is different among different types of vehicle. SOLUTION: A control means for preventing overdischarge 13 controls the temperature in the compartment by varying the voltage of a cooling means 8 comprising a thermoelectric element 5 depending on the temperature in the compartment and detects overdischarge of a battery 15 by detecting the input voltage through an input voltage detecting circuit 14. Since the input voltage is compensated by a voltage corresponding to the load current, overdischarge can be detected constantly with a correct battery voltage and the battery is protected against dying.

    THERMOELECTRIC MODULE TYPE ELECTRIC REFRIGERATOR
    8.
    发明专利
    THERMOELECTRIC MODULE TYPE ELECTRIC REFRIGERATOR 失效

    公开(公告)号：JPH10300305A

    公开(公告)日：1998-11-13

    申请号：JP10600197

    申请日：1997-04-23

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： TOKUNAGA SHIGEOMI ,  NAKAGAWA OSAMU ,  KITAGAWA HIROAKI ,  MAEDA MUNEKAZU ,  KUWAJIMA KATSUYUKI ,  ARAKAWA TOSHIKAZU

    IPC: F25D11/00 ,  F25B21/02

    Abstract: PROBLEM TO BE SOLVED: To further improve the efficiency by driving a thermoelectric member under the optimum condition taking into consideration even the outside air temperature and the in-chamber temperature to eliminate excessive cooling and the insufficient cooling. SOLUTION: An outside temperature detection sensor to detect the temperature of the outside temperature and an in-chamber temperature detection sensor to detect the in-chamber temperature are provided, the drive voltage of a thermoelectric member is set to the high level VH and the low level VL according to the outside air temperature, and the thermoelectric member is driven in an appropriately preferential manner of the relationship between the efficiency of the thermoelectric heat exchange block and the heat absorption by switching the high level VH and the low level VL according to the in-chamber temperature.

    THERMOELECTRIC MODULE TYPE ELECTRIC REFRIGERATOR
    9.
    发明专利
    THERMOELECTRIC MODULE TYPE ELECTRIC REFRIGERATOR 失效

    公开(公告)号：JPH10300304A

    公开(公告)日：1998-11-13

    申请号：JP10600097

    申请日：1997-04-23

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： KITAGAWA HIROAKI ,  MAEDA MUNEKAZU ,  KUWAJIMA KATSUYUKI ,  ARAKAWA TOSHIKAZU ,  TOKUNAGA SHIGEOMI ,  NAKAGAWA OSAMU

    IPC: F25D17/02 ,  F25B21/02 ,  F25D11/00 ,  F25D21/14

    Abstract: PROBLEM TO BE SOLVED: To further improve the thermal efficiency by reducing the condensate to be generated in a thermoelectric heat exchange block and a heat absorption piping system, and reducing the thermal effect of the thermoelectric heat exchange block and a heat radiation piping system on a chamber. SOLUTION: A thermoelectric heat exchange block 11 is provided in the external chamber 9 of a refrigerator body 1 and in an internal chamber 17 partitioned by a heat insulation wall 8, pipes at an inlet part 27a and an outlet part 27b of a first circulation passage at the first heat exchange part 26a of the thermoelectric heat exchange block 11 are pulled to the external chamber 9 of the refrigerator body 1 through the heat insulation wall 8 from a part opposite to the heat insulation wall 8 of the thermoelectric heat exchange block 11, and the first heat exchange part 26a of the thermoelectric heat exchange block 11 is covered around by the heat insulation wall 8.

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