公开(公告)号：JPH08285424A

公开(公告)日：1996-11-01

申请号：JP9332395

申请日：1995-04-19

Applicant: MATSUSHITA REFRIGERATION

Inventor： KANEOKA SHINICHI ,  NODA TOSHINORI ,  YAMAMOTO HARUYOSHI ,  HAMANO YASUKI ,  MORISHITA KENICHI ,  ONISHI YASUTOMO ,  KUBOTA YOSHITAKA

IPC: F25D11/00 ,  F25B1/00

Abstract: PURPOSE: To prevent refrigerant from being decomposed under an abnormal high temperature of the refrigerant and to perform a forced convection cooling of a compressor by a method wherein when a temperature of discharged gas is detected and this detected gas temperature keeps an abnormal temperature of the discharged gas for a specified period of time, the compressor is stopped in its operation and a blower is electrically energized and driven subsequently even after the compressor is stopped in its operation. CONSTITUTION: If a temperature of a discharging pipe of a compressor is increased and a temperature detected by a discharged gas sensing means 6 keeps a higher temperature than an abnormal temperature of the discharged gas for a specified period of time, for example, 5 seconds, the operation is transferred to a discharged gas abnormal mode. Then, a compressor 1 is turned off by a relay 11 and is stopped in its operation for a predetermined period of time. However, a fan motor 4 is electrically energized and driven as it is after elapsing a specified period of time. Then, after elapsing a specified period of time, the relay 11 is turned on by a control circuit 13, the compressor 1 is again electrically energized and driven to start a cooling operation. At this time, the fan motor 4 is subsequently electrically energized and driven. With such an arrangement as above, a recovering of the compressor 1 is rapidly carried out, an inner side of a refrigerator is cooled again to enable a foodstuff in the refrigerator to be prevented from being decayed.

公开(公告)号：JPH08189752A

公开(公告)日：1996-07-23

申请号：JP420595

申请日：1995-01-13

Applicant: MATSUSHITA REFRIGERATION

Inventor： NODA TOSHINORI ,  KANEOKA SHINICHI ,  HAMANO YASUKI ,  SHIMOMURA NOBUO ,  KUBOTA YOSHITAKA

IPC: F25D19/00 ,  F25B39/04 ,  F25D23/00

Abstract: PURPOSE: To catch dust and dirt without fail, which enter a condenser, without deteriorating the radiation capability of the condenser, and improve the cooling performance and reliability by arranging an electric astatically charging type dust stick, which is approx. in parallel with tubes, on the air flow upstream side of the condenser. CONSTITUTION: A machine chamber 2 is formed at a lower rear part of a refrigerator main body 1 for which a heat insulating material is inserted between an external box and internal box, and the machine chamber 2 is constituted with an external box bottom plate 3, condenser 4 consisting of tubes and fins, blower 5 consisting of a motor 5a, blades 5b and partitioning plate 6, and mounting plate 8 on which a compressor 7 is mounted. Then, a tilted surface part is provided on the external box bottom plate 3. Then, a dust stick 15 is arranged on the upstream side of the condenser 4. The dust stick 15 is made of an electric-charging type material which is arranged approx. in parallel with tubes 4a in front of the tubes 4a, and has a base 15a and a plurality of bar form sticks 15b. By this method, air containing dust and dirt collides with the dust stick, and dust and dirt are removed, and the adhesion of dust and dirt to the condenser becomes hard to generate.

公开(公告)号：JPH08189747A

公开(公告)日：1996-07-23

申请号：JP420295

申请日：1995-01-13

Applicant: MATSUSHITA REFRIGERATION

Inventor： SHIMOMURA NOBUO ,  NODA TOSHINORI ,  HAMANO YASUKI ,  KANEOKA SHINICHI ,  KUBOTA YOSHITAKA

IPC: F25D19/00 ,  F25D11/00 ,  F25D23/00

Abstract: PURPOSE: To increase the heat-exchanging property of a condenser which is provided in a refrigerator main body. CONSTITUTION: At a lower rear part of a refrigerator main body 1, a machine chamber 2 is partitioned with an external box bottom plate 3, mounting plate 7 and machine chamber cover 8. Then, on the mounting plate 7, a condenser 4, a blower 5 which is arranged on the upstream side of the condenser 4, compressor 6 and evaporation tray are provided, and on the machine chamber cover 8, an air outlet 11 and rear side air inlet 10 are provided. Also, on the tilted surface part of the external box bottom plate 3, a front part air inlet 9 is provided, and a fan 14 of the blower 5 is periodically reversed.

公开(公告)号：JPH0791791A

公开(公告)日：1995-04-04

申请号：JP23450693

申请日：1993-09-21

Applicant: MATSUSHITA REFRIGERATION

Inventor： KINO AKIHIRO ,  NODA TOSHINORI ,  ASAKAWA OSAMU ,  MASATOKI YOSHIBUMI ,  KANEOKA SHINICHI

IPC: F25D11/00

Abstract: PURPOSE:To prevent liquid refrigerant from becoming flash gas, etc., at the time of starting an operation of a compressor by sensing an indoor temperature, operating a cooling fan only for a predetermined time before the operation of the compressor is started, and starting the operation of the compressor after a temperature of a machine room is lowered. CONSTITUTION:A refrigerator comprises a compressor 3 installed in a machine room 2 partitioned in a lower innermost part of a body 1 and cooled by a cooling fan 9. On the other hand, a temperature in the refrigerator is sensed by indoor temperature sensing means 10. The fan 9 is controlled by cooling fan control means 11 based on the sensed indoor temperature. The means 11 outputs a drive command held temporarily when a predetermined time set by a timer 12 is elapsed to the compressor 3 and starts the operation of the fan 9. That is, the operation of the fan 9 is started prior to the start of the operation of the compressor 3 thereby preventing liquid refrigerant from becoming flash gas at the time of starting the operation of the compressor 3 and cooling from becoming insufficient due to a disturbance of circulating the refrigerant.

公开(公告)号：JPH0783555A

公开(公告)日：1995-03-28

申请号：JP22998993

申请日：1993-09-16

Applicant: MATSUSHITA REFRIGERATION

Inventor： MASATOKI YOSHIBUMI ,  NODA TOSHINORI ,  ASAKAWA OSAMU ,  KINO AKIHIRO ,  KANEOKA SHINICHI

IPC: F25B1/00 ,  F25D19/00

Abstract: PURPOSE:To provide a freezing and cold storing device having considerably improved cooling performance and reliability by a method wherein the production of flash gas is prevented without heating a capillary tube at the time of restarting a compressor after completion of defrosting to contrive the maintenance of a normal cooling operation. CONSTITUTION:A freezing and cold storing device is provided with a cold air duct 7 in communication with a freezing chamber and a cold storing chamber, a capillary tube 6 and a suction pipe 5. By securing the capillary tube 6 in contact with the outer wall of the cold air duct 7, the production of flash gas is prevented to contrive a normal cooling inside the device or the prevention of a temp. rise of a compressor.

公开(公告)号：JPH074792A

公开(公告)日：1995-01-10

申请号：JP14461393

申请日：1993-06-16

Applicant: MATSUSHITA REFRIGERATION

Inventor： KINO AKIHIRO ,  NODA TOSHINORI ,  ASAKAWA OSAMU ,  MASATOKI YOSHIBUMI ,  KANEOKA SHINICHI

IPC: F25B1/00 ,  F25B47/02 ,  F25D11/00

Abstract: PURPOSE:To prevent occurrence of a hindrance of circulation of a refrigerant which is caused by that the refrigerant in a capillary tube exchanging heat with a suction pipe is turned into a gas by extraordinary heating when an overheated refrigerant in an evaporator after completion of a defrosting operation flows through the suction pipe. CONSTITUTION:After completion of defrosting, a two-way valve control means 32 detects a start of a compressor 9 and opens a two-way valve 31. At this time, a suction pipe temperature detecting means 33 detects the temperature of a suction pipe 13 and maintains the state of the two-way valve 31 until the temperature of the suction pipe 13 lowers to a prescribed temperature (e.g. -10 deg.C). Thereby the temperature of the suction pipe 13 lowers and a hindrance of circulation of a refrigerant in a capillary tube 11 is not caused.