公开(公告)号：US20190301331A1

公开(公告)日：2019-10-03

申请号：US16445605

申请日：2019-06-19

Applicant: NGK Insulators, Ltd.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA

IPC: F01N3/20 ,  F01N3/023 ,  F28D20/00 ,  F01N3/022

Abstract: A heat generation system including: a liquid storage tank; a heating element including: a reaction container having a storage space, and a porous body stored in the storage space, and loaded with an exothermic reaction solid that causes an exothermic reaction when being in contact with the liquid; a liquid injection mechanism member including: a liquid flow pipe that communicates between the liquid storage tank and the storage space of the reaction container, through which the liquid flows, and an injection unit that injects the liquid into the storage space; and discharge mechanism member including: a discharge pipe that communicates with the storage space of the reaction container, and a discharge unit that discharges a liquid product generated by the exothermic reaction caused by contact between the liquid and the exothermic reaction solid, and a vaporized material of the liquid, from the storage space through the discharge pipe.

公开(公告)号：US20170008267A1

公开(公告)日：2017-01-12

申请号：US15198459

申请日：2016-06-30

Applicant: NGK INSULATORS, LTD.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA

IPC: B32B37/14 ,  B32B3/12 ,  B32B37/06

CPC classification number: B32B3/12 ,  B29D99/0089

Abstract: The method includes: a formed body forming step of forming each of a plurality of honeycomb-segment formed bodies by extrusion; an aggregate formation step of forming a honeycomb-segment aggregate by applying a fluid bonding material to side faces of the honeycomb-segment formed bodies, and arranging the honeycomb-segment formed bodies so that the side faces are brought into contact with each other; an aggregate shaping step of shaping the honeycomb-segment aggregate by performing a press treatment to the side faces of the honeycomb-segment aggregate; and a drying/firing step of drying and firing the honeycomb-segment aggregate, wherein the aggregate shaping step are performed while keeping the water amount of each of the honeycomb-segment formed bodies to be 30 mass % or more, each of the honeycomb segments has cell density that is 620 cells/cm2 or more, and the press treatment is performed with a contact pressure of 0.005 kg/cm2 or more.

Abstract translation: 该方法包括：通过挤压形成多个蜂窝段成形体中的每一个的成形体形成步骤; 聚集体形成步骤，通过在蜂窝段成形体的侧面上施加流体粘结材料形成蜂窝体组合体，并且使蜂窝体成形体彼此接触; 聚合物成型步骤，通过对所述蜂窝片段聚集体的侧面进行压制处理来对所述蜂窝状段骨料进行成形; 以及干燥·焙烧所述蜂窝片段骨料的干燥·烧成工序，其中，在将所述蜂窝片成形体的水量保持为30质量％以上的同时进行所述骨料成型工序， 电池密度为620个/ cm 2以上，压接处理以0.005kg / cm 2以上的接触压力进行。

公开(公告)号：US20160084237A1

公开(公告)日：2016-03-24

申请号：US14851569

申请日：2015-09-11

Applicant: NGK Insulators, Ltd.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA ,  Naomi NODA ,  Yuji DEGUCHI ,  Teruyoshi MORI ,  Kazuhiko HAMATSUKA ,  Hiroyuki SUENOBU ,  Masayuki HIRONAGA ,  Kazuhiko KUMAZAWA

IPC: F03G7/00

CPC classification number: F03G7/00 ,  F02G1/0435 ,  F03G7/002 ,  F25B9/145 ,  F25B2309/1402

Abstract: A heat/acoustic wave conversion component having a first end face and a second end face, includes a partition wall that defines a plurality of cells extending from the first end face to the second end face, inside of the cells being filled with working fluid that oscillates to transmit acoustic waves, the heat/acoustic wave conversion component mutually converting heat exchanged between the partition wall and the working fluid and energy of acoustic waves resulting from oscillations of the working fluid. Hydraulic diameter HD of the heat/acoustic wave conversion component is 0.4 mm or less, where the hydraulic diameter HD is defined as HD=4×S/C, where S denotes a cross-sectional area of each cell perpendicular to the cell extending direction and C denotes a perimeter of the cross section, and the heat/acoustic wave conversion component has three-point bending strength of 5 MPa or more.

Abstract translation: 具有第一端面和第二端面的热/声波转换部件包括限定从第一端面延伸到第二端面的多个电池单元的分隔壁，其内部填充有工作流体， 振荡以传播声波，热/声波转换部件相互转换分隔壁和工作流体之间交换的热量以及由工作流体的振荡产生的声波能量。 热声/声波转换组件的液压直径HD为0.4mm或更小，其中液压直径HD被定义为HD = 4×S / C，其中S表示垂直于单元延伸方向的每个单元的横截面积 C表示截面的周长，热声波转换成分的三点弯曲强度为5MPa以上。

公开(公告)号：US20160084198A1

公开(公告)日：2016-03-24

申请号：US14849984

申请日：2015-09-10

Applicant: NGK Insulators, Ltd.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA ,  Tatsuo KAWAGUCHI ,  Naomi NODA ,  Yuji DEGUCHI ,  Teruyoshi MORI ,  Kazuhiko HAMATSUKA ,  Hiroyuki SUENOBU ,  Masayuki HIRONAGA ,  Kazuhiko KUMAZAWA

IPC: F02G5/02 ,  F02G1/02

CPC classification number: F02G5/02 ,  F02G1/02 ,  F02G1/043 ,  F02G2243/54 ,  F03G7/002 ,  F25B9/145 ,  F25B2309/1402

Abstract: A heat/acoustic wave conversion unit includes a heat/acoustic wave conversion component and two heat exchangers. Hydraulic diameter HD of the cells in the heat/acoustic wave conversion component is 0.4 mm or less, and a ratio HD/L of HD to the length L of the heat/acoustic wave conversion component is from 0.005 to 0.02. One of the heat exchangers includes a heat-exchanging honeycomb structure and an annular tube that surrounds a circumferential face of the heat-exchanging honeycomb structure. The annular tube includes a structure body that is disposed in the channel to increase a contact area with the heated fluid, an inflow port into which the heated fluid flows, and an outflow port through which the heated fluid flows out. At least one of the heat-exchanging honeycomb structure and the structure body is made of a ceramic material that contains SiC as a main component.

Abstract translation: 热/声波转换单元包括热声转换组件和两个热交换器。 热声/声波转换部件中的电池的液压直径HD为0.4mm以下，HD / L与热声转换部的长度L的比率为0.005〜0.02。 其中一个热交换器包括一个热交换蜂窝结构和围绕该热交换蜂窝结构的圆周面的环形管。 环形管包括设置在通道中的结构体，以增加与加热流体的接触面积，加热流体流入的流入口以及被加热流体流过的流出口。 至少一个热交换蜂窝结构体和结构体由以SiC为主成分的陶瓷材料构成。

公开(公告)号：US20170284747A1

公开(公告)日：2017-10-05

申请号：US15468586

申请日：2017-03-24

Applicant: NGK INSULATORS, LTD. ,  NGK Adrec Co., Ltd.

Inventor： Shinichi MIWA ,  Toshiharu KINOSHITA ,  Iori HIMOTO

IPC: F28D20/00

CPC classification number: F28D20/003 ,  C09K5/16 ,  Y02E60/142

Abstract: A heat storage member including: a substrate containing a SiC sintered body as a principal ingredient; a coating layer disposed at least to a part of surface of the substrate; and a heat storage material disposed at least to a part of a surface of the coating layer and configured to store and radiate heat by a reversible chemical reaction with a reaction medium or a heat storage material configured to store and radiate heat by physical adsorption to a reaction medium and by physical desorption from a reaction medium. A softening point of the coating layer is a temperature at 1000° C. or less.

公开(公告)号：US20170284746A1

公开(公告)日：2017-10-05

申请号：US15468556

申请日：2017-03-24

Applicant: NGK INSULATORS, LTD. ,  NGK Adrec Co., Ltd.

Inventor： Shinichi MIWA ,  Toshiharu KINOSHITA ,  Iori HIMOTO

IPC: F28D20/00

CPC classification number: F28D20/003 ,  C09K5/16 ,  F28D2020/0017 ,  Y02E60/142

Abstract: A heat storage member including a substrate containing a SiC sintered body as a principal ingredient and a heat storage material configured to store and radiate heat by a reversible chemical reaction with a reaction medium or a heat storage material configured to store and radiate heat by physical adsorption to a reaction medium and physical desorption from a reaction medium. The substrate has a three-dimensional network structure including a skeleton having porosity of 1% or less. A void ratio of a void formed in the three-dimensional network structure of the substrate is ranging from 30 to 95%. The heat storage material is disposed at least in a part of a surface of the void in the three-dimensional network structure of the substrate.

公开(公告)号：US20160084239A1

公开(公告)日：2016-03-24

申请号：US14853015

申请日：2015-09-14

Applicant: NGK Insulators, Ltd.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA ,  Naomi NODA ,  Yuji DEGUCHI ,  Teruyoshi MORI ,  Kazuhiko HAMATSUKA ,  Hiroyuki SUENOBU ,  Masayuki HIRONAGA ,  Kazuhiko KUMAZAWA

IPC: F03G7/00

CPC classification number: F03G7/00 ,  F02G1/0435 ,  F02G2243/54 ,  F03G7/002 ,  F25B9/145 ,  F25B2309/1402 ,  H02K35/06

Abstract: A heat/acoustic wave conversion component includes a partition wall that defines a plurality of cells, inside of the cells being filled with fluid that oscillates to transmit acoustic waves, the heat/acoustic wave conversion component mutually converting heat exchanged between the partition wall and the fluid and energy of acoustic waves resulting from oscillations of the fluid. The plurality of cells have an average of hydraulic diameters HDs that is 0.4 mm or less in a plane perpendicular to the cell extending direction, the heat/acoustic wave conversion component has an open frontal area at each end face of 60% or more and 93% or less, and distribution of hydraulic diameters HDs of the plurality of cells has relative standard deviation that is 2% or more and 30% or less.

Abstract translation: 热声波转换组件包括限定多个单元的隔壁，在单元内部填充有用于传播声波的振荡的流体，所述热/声波转换组件相互转换在分隔壁和 由流体振荡产生的声波的流体和能量。 多个电池在与电池延伸方向垂直的平面中具有0.4mm以下的液压直径HD的平均值，所述热声波转换部件在各端面的开放正面面积为60％以上，93以下 ％以下，多个电池的液压直径HD的分布的相对标准偏差为2％以上且30％以下。

公开(公告)号：US20150253043A1

公开(公告)日：2015-09-10

申请号：US14722257

申请日：2015-05-27

Applicant: NGK Insulators, Ltd.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA

IPC: F25B9/14

CPC classification number: F25B9/145 ,  F25B2309/1402 ,  F25B2309/1404 ,  F25B2309/1405 ,  F25B2309/1407 ,  F25B2309/1415

Abstract: The thermoacoustic energy converting element part is provided with a plurality of through holes extending along a direction to penetrate the thermoacoustic energy converting element part to form travelling routes of acoustic waves. The thermoacoustic energy converting element part includes a wall surrounding each of the through holes to extend in an extending direction of the through hole and configured to exchange heat with the fluid. The through hole includes a hole that has a hydraulic diameter of 0.4 mm or smaller, and an open area ratio of the through holes in the thermoacoustic energy converting element part is 60% or higher. Thermal conductivity of the thermoacoustic energy converting element part in fluid atmosphere is 0.4 W/m/K or lower, and heat capacity of the thermoacoustic energy converting element part at 400° C. in the fluid atmosphere is higher than 0.5 J/cc/K.

Abstract translation: 热声能量转换元件部分设置有沿着穿过热声能转换元件的方向延伸的多个通孔，以形成声波的行进路线。 热声能量转换元件部分包括围绕每个通孔的壁，其在通孔的延伸方向上延伸并且构造成与流体交换热量。 通孔包括水力直径为0.4mm以下的孔，并且热声能量转换元件部分中的通孔的开口面积率为60％以上。 流体气氛中热声能量转换元件部分的导热系数为0.4 W / m / K或更低，流体气氛中热声能量转换元件部分在400°C下的热容高于0.5J / cc / K 。

公开(公告)号：US20170130632A1

公开(公告)日：2017-05-11

申请号：US15299834

申请日：2016-10-21

Applicant: NGK INSULATORS, LTD.

Inventor： Yoshiyuki KASAI ,  Yukio MIYAIRI ,  Shinichi MIWA

IPC: F01N5/02 ,  F01N3/10 ,  F02M26/15

CPC classification number: F01N5/02 ,  F01N3/0205 ,  F01N3/101 ,  F01N13/0093 ,  F01N2240/02 ,  F01N2240/16 ,  F02M26/15 ,  F02M26/22 ,  Y02T10/16 ,  Y02T10/22

Abstract: An exhaust system includes: an exhaust pipe defining an exhaust path of exhaust gas to atmosphere; a recirculation pipe defining a recirculation path separating a part of exhaust gas passing through the exhaust pipe and allowing the part to flow back to a power unit; a purification unit purifying exhaust gas by catalyst; and a heating device heating exhaust gas before purification to activate the purification ability of the catalyst. The heating device includes: an acoustic-wave generator generating acoustic waves by absorbing heat from exhaust gas passing through the recirculation pipe and by giving the heat to working fluid to cause the working fluid to oscillate, and a heat transfer part transferring heat of exhaust gas in the exhaust pipe passing through a downstream position from the purification unit to exhaust gas in the exhaust pipe passing through an upstream position from the purification unit by using acoustic waves.

公开(公告)号：US20160333757A1

公开(公告)日：2016-11-17

申请号：US15095377

申请日：2016-04-11

Applicant: NGK INSULATORS, LTD.

Inventor： Yukio MIYAIRI ,  Shinichi MIWA

IPC: F01N3/02 ,  B01D53/00 ,  F02B47/02

CPC classification number: F01N3/0205 ,  B01D53/002 ,  B01D53/005 ,  F02B47/02 ,  F02G5/02 ,  F02M25/0222 ,  F25B9/145 ,  F25B2309/1403 ,  Y02T10/121 ,  Y02T10/166

Abstract: A water recovery device includes: an exhaust gas pipe that is connected to a combustion device; a water generation unit that generates water by cooling exhaust gas in the exhaust gas pipe to condense water vapor in the exhaust gas; and a water container that stores water generated by the water generation unit. The water generation unit includes: an acoustic-wave generator that generates acoustic waves by absorbing heat from the exhaust gas pipe and giving the heat to working fluid, which transmits acoustic waves by oscillating, to cause the working fluid to oscillate; a transmission pipe that is internally filled with the working fluid and transmits acoustic waves generated by the acoustic-wave generator; and a cold-heat generator that generates cold heat to supply the cold heat to the exhaust gas pipe by receiving acoustic waves transmitted through the transmission pipe and giving heat to the acoustic waves.

Abstract translation: 一种水回收装置，包括：与燃烧装置连接的排气管; 水生成单元，其通过使排气管内的废气冷却而冷凝废气中的水蒸汽而产生水; 以及储存由水生成单元生成的水的水容器。 水生成单元包括：声波发生器，其通过从排气管吸收热量并向工作流体产生热量，该声波通过振荡传递声波，从而使工作流体振荡; 内部填充有工作流体并且传递由声波发生器产生的声波的传输管; 以及冷热发生器，其产生冷热，以通过接收通过传输管传递的声波并向声波提供热量来向排气管供应冷热。