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公开(公告)号：US20190204003A1
公开(公告)日：2019-07-04
申请号：US16298775
申请日：2019-03-11
发明人： Tadashi OKADA
IPC分类号： F25D17/04
CPC分类号： F25D17/047 , F16K17/04 , F25D21/04 , F25D23/00
摘要： Provided is a negative pressure release port that can prevent freezing in a channel. This negative pressure release port comprises: a cylindrical member made of a pipe in which a fluid can pass through and a base; a heating element disposed on one end inside the pipe; a retaining member that retains the heating element; a rib that connects an inner wall face of the pipe and the retaining member; and a check valve that is provided inside the base provided more toward the other end than the heating element, that allows air passing through the interior of the base to flow from the other end to the one end, and prevents flow from the one end to the other end.
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公开(公告)号：US20220307754A1
公开(公告)日：2022-09-29
申请号：US17841272
申请日：2022-06-15
发明人： Tadashi OKADA
摘要： A refrigeration apparatus includes: a housing that surrounds an internal space (refrigeration chamber) where a refrigeration target is stored; and a negative pressure release port that includes a pipe (cylindrical body) attached to the housing so as to protrude into the internal space, a heating element provided in the pipe, and a rib joining the pipe and the heating element.
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公开(公告)号：US20210080168A1
公开(公告)日：2021-03-18
申请号：US17103868
申请日：2020-11-24
发明人： Masato YUKISHITA , Tadashi OKADA
IPC分类号： F25D23/06
摘要： The invention is provided with a housing which has an inner space open in a first direction, a partition body which divides the inlet of the inner space into a plurality of openings arranged next to each other in a second direction perpendicular to the first direction, a door which is provided to each of the openings and which closes the opening from the first direction side, a first vacuum heat insulating material which is disposed inside the partition body, and a second vacuum heat insulating material which is disposed inside the door. The first vacuum heat insulating material and the second vacuum heat insulating material are arranged so as to overlap each other when viewed from the first direction side or from the second direction side.
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公开(公告)号：US20230193661A1
公开(公告)日：2023-06-22
申请号：US18108381
申请日：2023-02-10
发明人： Tadashi OKADA
CPC分类号： E05B65/0042 , E05B13/10 , F25D23/028
摘要： A locking device includes a lever configured to sway around a rotation axis and including a restriction part restricting an operation of a handle, a hole, and an attaching portion where a moving member configured to move in accordance with an operation of an actuator is attached; and a pressure member disposed in the hole and configured to make a first back-and-forth movement in accordance with an unlocking operation of a key. The pressure member moves the restriction part from a position for restricting the operation of the handle to a position for allowing the operation of the handle by swaying the lever around the rotation axis by pressing a first portion which is a portion of the hole in a forward movement of the first back-and-forth movement, and moves away from the first portion without swaying the lever in a backward movement of the first back-and-forth movement.
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公开(公告)号：US20220307757A1
公开(公告)日：2022-09-29
申请号：US17841227
申请日：2022-06-15
发明人： Tadashi OKADA
摘要： A refrigeration apparatus performs refrigeration by freezing circuitry using refrigerant. The refrigeration apparatus includes: an inner door that is provided with a thermal insulation material inside; a case section that includes a peripheral edge section facing a perimeter section of the inner door while the inner door is closed, and that is refrigerated inside by the refrigerant; a packing that is pressed between the perimeter section of the inner door and the peripheral edge section while the inner door is closed; a pipe that is placed along the peripheral edge section, and that circulates the refrigerant warmed by a compression effect of a compressor; and an outer door that covers the inner door while the inner door is closed.
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公开(公告)号：US20200088455A1
公开(公告)日：2020-03-19
申请号：US16692988
申请日：2019-11-22
发明人： Takashi TOYOOKA , Tadashi OKADA , Jun YOSHIOKA
摘要： This refrigeration device, which cools by means of a refrigeration cycle using a refrigerant, is provided with: a door; a box which has a peripheral edge that is opposite of the outer peripheral portion of the door when the door is in a closed state, and which is internally cooled by the refrigerant; and multiple pipes which are arranged along the surface of the peripheral edge and which circulate a refrigerant warmed by the compression action of a compressor.
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公开(公告)号：US20190011176A1
公开(公告)日：2019-01-10
申请号：US16128437
申请日：2018-09-11
发明人： Tadashi OKADA
摘要： Disclosed is an ultra-low temperature freezer comprising a seal. The seal member has: hollow first and second air layer forming portions which are aligned in a row in a second direction between a first and second peripheral edges when a door is closed; and a first connection portion which is connected between the first and second air layer forming portions so as to form an air layer. The first connection portion has a shape that would overlap part of the first and second air layer forming portions if moved in parallel to the second direction. The outer peripheral surface of the first connection portion and the outer peripheral surfaces of the first and second air layer forming portions form first and second recessed portions extending in a first direction.
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