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公开(公告)号：US20220252339A1
公开(公告)日：2022-08-11
申请号：US17626081
申请日：2020-09-24
Inventor： Kiyoshi MORI , Kei NAMBU , Tsuyoki HIRAI
Abstract: Provided is a refrigerator that includes a storage chamber capable of storing a preserved product, power supply unit (48), oscillation circuit (22), oscillation electrode (24) and counter electrode (25), matching unit (52) that matches impedance, controller (50), and a shield. Power supply unit (48) includes a first power supply part that rectifies an alternating current from a commercial alternating-current power supply and converts the alternating current into a direct current, a first ground part that serves as a reference potential of the first power supply part, a second power supply part and a third power supply part that each step down an output voltage of the first power supply part and output the stepped-down output voltage, a second ground part that serves as a reference potential of the second power supply part, and a third ground part that serves as a reference potential of the third power supply part. Oscillation circuit (22) is supplied with power from the second power supply part, and controller (50) is supplied with power from the third power supply part.
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公开(公告)号：US20210389049A1
公开(公告)日：2021-12-16
申请号：US17287083
申请日：2019-08-06
Inventor： Kiyoshi MORI , Kei NAMBU , Tsuyoki HIRAI
Abstract: A refrigerator includes a cooling/heating chamber capable of cooling and heating foods. The cooling/heating chamber is divided into a heating zone that is a space where foods to be heated are placed, and a non-heating zone that is a space continuous with the heating zone where foods not to be heated are placed. The refrigerator further includes an oscillation electrode and a counter electrode that are arranged so as to face each other with the heating zone in between, and an oscillating unit that applies an AC voltage to between the oscillation electrode and the counter electrode.
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公开(公告)号：US20210018246A1
公开(公告)日：2021-01-21
申请号：US17040813
申请日：2019-03-29
Inventor： Kiyoshi MORI , Kei NAMBU , Tsuyoki HIRAI
Abstract: A refrigerator according to the present disclosure includes at least one storage chamber and uses an electromagnetic wave to heat a stored object inside the storage chamber. A first electromagnetic wave shield is provided on a door of the storage chamber, and a second electromagnetic wave shield is provided on a housing part of the refrigerator that is in contact with the door while the door is closed. This makes it possible to provide a structure capable of exhibiting a function as an electromagnetic wave shield even for a refrigerator door in which wiring to a grounding part is difficult.
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4.发明申请公开(公告)号：US20180313492A1
公开(公告)日：2018-11-01
申请号：US16019118
申请日：2018-06-26
Inventor： Tomoaki KITANO , Hideji KAWARAZAKI , Toshiaki HIRANO , Tsuyoki HIRAI
IPC: F16L59/065 , F25D23/06 , B32B37/18
Abstract: A vacuum heat insulator includes inner box (403), external plate (401), and gas barrier container (402). Gas barrier container (402) includes core material (423), first member (421) that has a box shape including a first opening portion, and second member (422) that tightly closes the first opening portion. Core material (423) is disposed inside first member (421). Inner box (403) includes a second opening portion. Gas barrier container (402) is disposed inside inner box (403). The second opening portion is closed by external plate (401). First member (421) has such a shape that an outer face of first member (421) fits with an inner face of inner box (403).
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公开(公告)号：US20170276287A1
公开(公告)日：2017-09-28
申请号：US15617749
申请日：2017-06-08
Inventor： Hideji KAWARAZAKI , Tsuyoki HIRAI , Toshiaki HIRANO , Tomoaki KITANO
IPC: F16L59/065 , F25D23/06
CPC classification number: F16L59/065 , F25D23/06 , F25D23/064 , F25D2201/1262 , F25D2201/14
Abstract: A vacuum insulation body includes an outer box (2), an inner box (3), open-cell urethane foam (4) in the insulation space (1b) between the outer box (2) and the inner box (3); and a vacuum outlet (6) in one of the outer box (2) and the inner box (3). The urethane foam (4) includes a through passage (8a) leading to the vacuum outlet (6). The vacuum outlet (6) is sealed after the insulation space (1b) filled with the urethane foam (4) is vacuum-evacuated.
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Patent Agency Ranking
公开(公告)号：US20170268715A1
公开(公告)日：2017-09-21
申请号：US15617693
申请日：2017-06-08
Inventor： Tsuyoki HIRAI , Kazutaka UEKADO
CPC classification number: F16L59/029 , B29C44/1233 , B29C44/588 , B29K2105/045 , B32B1/00 , B32B5/20 , B32B2266/0278 , B32B2307/304 , B32B2607/00 , C08J9/0009 , C08J2375/04 , F25D23/064 , F25D2201/1262 , Y10T428/233
Abstract: A heat-insulating wall of the present invention includes: wall bodies (2 and 3) whose hollow portion is a heat-insulating space (10); gas circulation ports (5 and 6) which are disposed on the wall body and through which the heat-insulating space communicates with the outside; an open-cell urethane foam (4) of a thermosetting urethane resin with which the heat-insulating space is filled by integral foaming; and sealing materials (50, 51, 55, 60, 61 and 62) for sealing the gas circulation port.
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公开(公告)号：US20180306375A1
公开(公告)日：2018-10-25
申请号：US16016063
申请日：2018-06-22
Inventor： Kazutaka UEKADO , Tsuyoki HIRAI
IPC: F16L59/06 , C08J9/00 , E04C2/20 , B29C44/18 , F16L59/02 , F25D23/06 , E04B1/80 , B32B5/20 , B29K75/00 , B29K105/04 , B29L9/00 , B29L31/10
CPC classification number: B29C44/1276 , B29C44/02 , B29C44/022 , B29C44/0461 , B29C44/0469 , B29C44/1209 , B29C44/1214 , B29C44/18 , B29C67/20 , B29C67/202 , B29K2075/00 , B29K2105/045 , B29L2009/00 , B29L2031/10 , B32B5/20 , C08J9/0061 , C08J2205/05 , C08J2375/04 , C08J2423/06 , C08J2477/00 , E04B1/806 , E04C2/205 , F16L59/029 , F16L59/06 , F25D23/064 , F25D23/065 , F25D2201/1262 , Y10T428/1376 , Y10T428/231 , Y10T428/233
Abstract: A heat-insulating housing (21) includes: a wall body; and an open-cell resin body (4) of thermosetting resin with which a heat-insulating space formed by the wall body is filled by integral foaming, the open-cell resin body including: a plurality of cells (47); a cell film portion (42); a cell skeleton portion (43); a first through-hole (44) formed so as to extend through the cell film portion; and a second through-hole (45) formed so as to extend through the cell skeleton portion, wherein the plurality of cells communicate with one another through the first through-hole and the second through-hole.
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8.发明申请公开(公告)号：US20170096284A1
公开(公告)日：2017-04-06
申请号：US15311751
申请日：2015-06-02
Inventor： Toshiaki HIRANO , Hideji KAWARAZAKI , Tomoaki KITANO , Tsuyoki HIRAI
CPC classification number: B65D81/3823 , F25D23/06 , F25D23/065 , F25D2201/122 , F25D2201/124 , F25D2201/1262 , F25D2201/14 , F25D2500/02
Abstract: A vacuum heat insulating body includes core material and outer packing material that vacuum-seals core material. Core material includes first heat insulating core material and second heat insulating core material having ventilation characteristics. Moreover, first heat insulating core material has ventilation resistance greater than the ventilation resistance of second heat insulating core material. First heat insulating core material is configured with an open-cell resin, and second heat insulating core material is configured with a fiber material or a powder material having ventilation resistance smaller than the ventilation resistance of the open-cell resin.
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公开(公告)号：US20220252335A1
公开(公告)日：2022-08-11
申请号：US17626076
申请日：2020-09-24
Inventor： Kiyoshi MORI , Kei NAMBU , Tsuyoki HIRAI
Abstract: Provided is a refrigerator that includes the following: a storage chamber having a space to store a preserved product; an oscillator that forms high frequency power; and oscillation electrode (24) and counter electrode (25) disposed facing each other and connected to the oscillator, oscillation electrode (24) and counter electrode (25) receiving the high frequency power from the oscillator to generate an electric field in the storage chamber. Oscillation electrode (24) and counter electrode (25) are provided at interval H that is shorter than a long side dimension of oscillation electrode (24).
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公开(公告)号：US20210381755A1
公开(公告)日：2021-12-09
申请号：US17287088
申请日：2019-08-06
Inventor： Kiyoshi MORI , Kei NAMBU , Tsuyoki HIRAI
Abstract: The present invention provides a highly reliable and safe heating device that can uniformly heat an object to be heated and provides a refrigerator having a storage space in which frozen products as storage products can be easily thawed to a high-quality state. A heating device of the present invention includes an oscillation electrode disposed on one hand of the heating space and having an electrode surface on which an electric field concentration region is formed, a counter electrode disposed on the other hand of the heating space and having an electrode surface that faces the electrode surface of the oscillation electrode, and a high-frequency electric field forming unit for forming a high-frequency electric field applied to between the oscillation electrode and the counter electrode.
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