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公开(公告)号：JP2002147932A
公开(公告)日：2002-05-22
申请号：JP2000337121
申请日：2000-11-06
Applicant: MATSUSHITA REFRIGERATION
Inventor： ENDO KATSUMI , KURIMOTO KAZUNORI , KAWASAKI TATSUYA , KODA ATSUSHI , SATO TAKAO
Abstract: PROBLEM TO BE SOLVED: To inform a user of consumed electric power, the amount of the consumed electric power or the cost of the electric power of a container section in view of problems with prior art that although energy saving of a container chamber itself is promoted in response to a requirement of recent energy saving, there are desired ones capable of display of consumed electric power and the amount of consumed electric power. SOLUTION: An input current is detected by electric current detection means 1, and electric power of a container chamber is calculated with electric power calculation means 2, and further the amount of electric power is accumulated in electric power amount calculation means 3, whereby electric power or the amount of electric power is displayed on display means 7.
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公开(公告)号：JPH0791820A
公开(公告)日：1995-04-07
申请号：JP23619993
申请日：1993-09-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： KAWASAKI TATSUYA
Abstract: PURPOSE:To prevent the reduction of a pressure in a refrigerator even when the inside of the refrigerator is cooled and make a big force unnecessary upon opening the door of the refrigerator by a method wherein a groove, communicating the inside of the refrigerator with the outside of the same, is formed on an abutting surface of a frame, opened in the upper surface thereof and connecting an inner casing to.an outer casing, against a gasket. CONSTITUTION:In a refrigerator, installed at the underfloor or the like of a kitchen, a bent frame 3 is attached to the whole periphery of an opening 2, formed on the level of a floor 1, and a refrigerator main body, constituted of a heat insulating box body 5, whose upper surface is opened, and a heat insulating door 6, opening and/or closing the opening, is installed in the opening part surrounded by the bent frame 3. In this case, a plurality of grooves 22, having a size longer than the abutting surface against a gasket 15 attached to the heat insulating door 6, are formed on a frame 21, attached to the opening ends of an outer casing 8 and an inner casing 9, which constitute the heat insulating box body 5 and made of a synthetic resin, to communicate the inside of the refrigerator with the outside of the same through these grooves 22. The inside of the refrigerator is communicated with the outside of the refrigerator through the grooves 22 in such a manner whereby the pressure of inside of the refrigerator will never be reduced in accordance with the cooling of the inside of the same while the door can be opened by a small force.
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公开(公告)号：JP2000337752A
公开(公告)日：2000-12-08
申请号：JP14795399
申请日：1999-05-27
Applicant: MATSUSHITA REFRIGERATION
Inventor： KAWASAKI TATSUYA , NOMOTO YOHEI , YUASA MASASHI , NAKANISHI KAZUYA , KAMIMURA SHUZO
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator improved in the heat exchange efficiency of a machine room by the configuration of an air duct structure and a component of the room. SOLUTION: The machine room is divided into an air suction duct 57 side and an air exhaust duct 58 side by a partition plate 55. A finned condenser 36 and an evaporating tray 39 are disposed at the duct 57 side. A compressor 34 is disposed at the duct 58 side. An atmosphere input from one side of a front surface of the room 22 is fed to the duct 58 by a forced ventilation blower 41 through the duct 57. Thus, the room air duct for discharging exhaust heat of the front surface of the room 33 to the other side is formed so that the exhaust heat is not obstructed irrespective of the installing conditions of the refrigerator.
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公开(公告)号：JPH08247604A
公开(公告)日：1996-09-27
申请号：JP5432495
申请日：1995-03-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： KAWASAKI TATSUYA , YAMAJI NAOYO
Abstract: PURPOSE: To improve reliability of operation of a compressor when a power supply is turned on, and reduce time required for the temperature in a refrigerator to return to a predetermined temperature upon power interruption. CONSTITUTION: When the temperature DA of a condenser temperature sensor 23 and the temperature DF of a freezing chamber temperature sensor 9 are both set at a temperature Dmax or higher when power supply to a compressor 4 and an air fan 7 is started just after a power supply is turned on, when the temperature DC of the condenser temperature sensor 23 after the lapse of a predetermined time ΔT1 is an upper limit set value DCmax or higher, the air fan 7 is kept at a power interruption state thereafter only for a predetermined time ▵T2, after the power interruption state normal control is executed.
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公开(公告)号：JP2003156280A
公开(公告)日：2003-05-30
申请号：JP2001351460
申请日：2001-11-16
Applicant: MATSUSHITA REFRIGERATION
Inventor： SAKAI HIDEKI , KAWASAKI TATSUYA , TANIGUCHI ATSUSHI , MATSUKAWA HIROTAKA , HAYASHI TOMOHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator furnished with a refrigerating cycle to efficiently change two evaporators by a refrigerant control valve. SOLUTION: It is possible to provide the refrigerator of high efficiency having a three-way valve 310 on the high pressure side of the refrigerating cycle, furnished with a refrigerating circuit diverted to a refrigerating room evaporator 305 and a freezing room evaporator 306, arranging a refrigerant flow rate variable device 307 on the downstream of the refrigerating room evaporator 306 and improving refrigerating efficiency by furnishing the circulating refrigerant circuit on a compressor 308.
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Patent Agency Ranking
公开(公告)号：JP2002195726A
公开(公告)日：2002-07-10
申请号：JP2000397694
申请日：2000-12-27
Applicant: MATSUSHITA REFRIGERATION
Inventor： TSUKAMOTO HIROFUMI , KAWASAKI TATSUYA , KIMURA YOSHITO
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator which is high in quality of refrigeration of food items, having a freezing cycle high in cooling efficiency, in a refrigerator equipped with a plurality of evaporators. SOLUTION: This refrigerator has a freezing cycle comprising a compressor 22, a condenser 23, a first evaporator 24 provided in a refrigeration temperature region, a second evaporator 25 provided in freezing temperature region, a first depressurization means 26 provided upstream of the first evaporator, a second depressurization means 36 provided upstream of the second evaporator, and a refrigerant flow controller 27 provided downstream of the first evaporator, and this enhances the freezing cycle efficiency and suppresses the indoor temperature fluctuations and sterilization work so as to raise food refrigeration property, by controlling the refrigerant flow controller 27 with a first evaporator detection means 34 and controlling the compressor 22 with a freezing chamber temperature detection means 37 and reducing the difference in the evaporation temperature between the interior of the refrigerator and the evaporator.
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公开(公告)号：JPH1026453A
公开(公告)日：1998-01-27
申请号：JP18035396
申请日：1996-07-10
Applicant: MATSUSHITA REFRIGERATION
Inventor： KAWASAKI TATSUYA
Abstract: PROBLEM TO BE SOLVED: To keep a freezer compartment in a specified temperature even when the surrounding temperature is lowered by turning on/off a bimetal when a refrigerator is subjected to a temperature lower than the open air and increasing a calorific value by upgrading the input of a heat sensitive heater provided in a heat sensitive section of a thermostat. SOLUTION: A body heater is set up on a body of a thermostat 8 which detects the temperature in a cold storage compartment 2 and controls the operation of a compressor 4. In addition to that, a heat sensitive hater 10 is set up in a heat sensitive area of the thermostat 8. The body heater 9 and the heat sensitive heater 10 are connected to each other in series while an open air detection means 11 is connected the body heater in parallel. When the open air temperature is below a specified temperature, the open air temperature detection 11, which is a bimetal, switched on and off, thereby increasing the input of the heat sensitive heater and increasing the amount of calorific value. This construction makes it possible to keep a freezer compartment at a specified temperature even when the surrounding temperature is lowered.
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公开(公告)号：JPH08178499A
公开(公告)日：1996-07-12
申请号：JP32493194
申请日：1994-12-27
Applicant: MATSUSHITA REFRIGERATION
Inventor： YAMAJI NAOYO , UJI YUTAKA , KAWASAKI TATSUYA
Abstract: PURPOSE: To shorten a time required for a freezing chamber and a refrigerating chamber to be restored to prescribed temperatures after a power failure, by stopping electrification of a blower fan for a time set beforehand in the case when a condenser temperature sensor detects an upper-limit set temperature or above after a prescribed time passes after a power supply is made. CONSTITUTION: In the case when both of temperatures detected by a room temperature sensor 14 and a freezing chamber temperature sensor 9 are set values or above immediately after the start of operations of a compressor 4 and a blower fan 7, it is judged whether or not a temperature detected by a condenser temperature sensor 23 is an upper-limit set value or above after a prescribed time passes. While an ordinary control routine is executed as it is when the detected temperature is below the upper-limit set value, electrification of the blower fan 7 is stopped when the detected temperature is the upper- limit set value or above, and the electrification of the blower fan 7 is restarted after a time set beforehand passes. At the time of a power failure, according to this constitution, a time required for a freezing chamber and a refrigerating chamber to be restored to prescribed temperatures after the electrification is restarted, and thereby the effect on stored foodstuff can be reduced.
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公开(公告)号：JPH07218112A
公开(公告)日：1995-08-18
申请号：JP1095594
申请日：1994-02-02
Applicant: MATSUSHITA REFRIGERATION
Inventor： KAWASAKI TATSUYA
Abstract: PURPOSE:To provide a refrigerator in which thermal influence of a deformation, a discoloring, etc., is not affected to circumferencial cooking furnitures by obtaining a sufficient heat dissipating space at a side of the refrigerator installed in a system kitchen frame. CONSTITUTION:A refrigerator comprises a display unit 19 for freely controlling strength of cooling, a machine room cover 16 for containing a compressor 10 of a cooling system to protrude from a side plate 6 of a body 1 in both directions.
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公开(公告)号：JP2002195734A
公开(公告)日：2002-07-10
申请号：JP2000391956
申请日：2000-12-25
Applicant: MATSUSHITA REFRIGERATION
Inventor： UEDA NOBUHIKO , SAITO TETSUYA , KAWASAKI TATSUYA , YAMADA HIROSHI , HAMANO YASUKI
Abstract: PROBLEM TO BE SOLVED: To raise the efficiency of defrosting and enhance the reliability on a cooling system, in a refrigerator-freezer which has a plurality of evaporators. SOLUTION: A first evaporator 17 is provided in a refrigeration temperature region, and a second evaporator 20 in a freezing temperature region, and a first defrosting heater 25a is provided in the vicinity of the first evaporator, and a second defrosting heater 25b in the vicinity of the second evaporator; and when defrosting the second evaporator, it is precooled, and then a current is applied to the second defrosting heater, and also during the precooling operation, a current is applied to the first defrosting heater, whereby the defrosting time of the first evaporator 17 can be set longer than the defrosting time of the second evaporator 20, and at the finish of the defrosting of the second evaporator 20, since sufficient defrosting is performed for the first evaporator 17, the remaining of frost of the evaporator will not occur, and a highly reliable cooling system can be obtained.
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