公开(公告)号：US20160084238A1

公开(公告)日：2016-03-24

申请号：US14851628

申请日：2015-09-11

Applicant: NGK Insulators, Ltd.

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

IPC: F03G7/00

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

Abstract: A heat/acoustic wave conversion component includes a plurality of monolithic honeycomb segments each including a partition wall that defines a plurality of cells extending between both end faces, and the plurality of monolithic honeycomb segments each mutually converts heat exchanged between the partition wall and the working fluid in the cells and energy of acoustic waves resulting from oscillations of the working fluid. In the heat/acoustic wave conversion component including the plurality of honeycomb segments each being monolithic configured, hydraulic diameter HD of the cells is 0.4 mm or less, open frontal area of the honeycomb segments is 60% or more and 93% or less, heat conductivity of the honeycomb segments is 5 W/mK or less, and a ratio HD/L of the hydraulic diameter HD to the length L of the honeycomb segment is 0.005 or more and less than 0.02.

Abstract translation: 热声波转换部件包括多个整体蜂窝片，每个蜂窝片段包括限定在两个端面之间延伸的多个单元的分隔壁，并且多个整体蜂窝片段相互转换在分隔壁和工作区域之间交换的热量 细胞中的流体和由工作流体的振荡产生的声波的能量。 在包括多个蜂窝片段的热声/声波转换部件中，每个蜂窝片段都是单片结构的，电池的水力直径HD为0.4mm或更小，蜂窝片段的开放正面面积为60％以上且93％以下，热量 蜂窝片的导电率为5W / mK以下，水力直径HD与蜂窝片的长度L的比HD / L为0.005以上且小于0.02。

公开(公告)号：US20180043596A1

公开(公告)日：2018-02-15

申请号：US15664351

申请日：2017-07-31

Applicant: NGK INSULATORS, LTD.

Inventor： Yuta IMAIZUMI ,  Kazuhiko HAMATSUKA

IPC: B29C47/00 ,  B29C47/36 ,  B29C47/12

CPC classification number: B29C48/11 ,  B28B3/269 ,  B29C48/30 ,  B29C48/36 ,  B29L2031/608

Abstract: The honeycomb structure forming die includes a first die in which a central region on the side of a kneaded material discharging surface has a convex region projecting toward a downstream side in an extruding direction of a kneaded material, and a ring-shaped second die. In the first die, first kneaded material introducing holes are formed and latticed first slits are formed on the side of the kneaded material discharging surface of the convex region, and in the second die, there are formed second kneaded material introducing holes and latticed second slits communicating with the second kneaded material introducing holes, and the honeycomb structure forming die has a groove region where movement of the kneaded material is performed between the first kneaded material introducing hole and the second kneaded material introducing hole, in abutment surfaces of the first die and the second die.

公开(公告)号：US20170197349A1

公开(公告)日：2017-07-13

申请号：US15386275

申请日：2016-12-21

Applicant: NGK INSULATORS, LTD.

Inventor： Hiroaki ITO ,  Kazuhiko HAMATSUKA

IPC: B29C47/12 ,  B29C47/92 ,  B29C47/00

Abstract: In the adjusting method of the extrusion rate, a perforated plate is superimposed on and attached to a forming die, the perforated plate includes a plurality of through hole portions, the adjusting method includes a perforated plate group consisting of a plurality of perforated plates which are different in degree of diameter decrease of the hole diameter, and the adjusting method includes a trial extrusion step of extruding the forming material to form a trial honeycomb formed body, a shape measuring step of measuring a shape of a formed body end face of the trial honeycomb formed body, and a perforated plate selecting step of selecting the perforated plate to be suitably attached to the forming die.

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：US20180043597A1

公开(公告)日：2018-02-15

申请号：US15664429

申请日：2017-07-31

Applicant: NGK INSULATORS, LTD.

Inventor： Yuta IMAIZUMI ,  Kazuhiko HAMATSUKA

IPC: B29C47/00 ,  B29C47/12

Abstract: The honeycomb structure forming die includes a first die in which a central region on the side of a kneaded material discharging surface has a convex region projecting toward a downstream side in an extruding direction of a kneaded material, a ring-shaped second die, and a reticulated member interposed between the first die and the second die. In the first die, first kneaded material introducing holes are formed and latticed first slits are formed on the side of the kneaded material discharging surface of the convex region, and in the second die, there are formed second kneaded material introducing holes and latticed second slits communicating with the second kneaded material introducing holes, and movement of a kneaded material is performed between the first kneaded material introducing hole and the second kneaded material introducing hole through meshes of the reticulated member.

公开(公告)号：US20180043595A1

公开(公告)日：2018-02-15

申请号：US15664296

申请日：2017-07-31

Applicant: NGK INSULATORS, LTD.

Inventor： Yuta IMAIZUMI ,  Kazuhiko HAMATSUKA

IPC: B29C47/00 ,  B29C47/36 ,  B29C47/12

CPC classification number: B29C48/11 ,  B28B3/269 ,  B29C48/30 ,  B29C48/36 ,  B29L2031/608

Abstract: The honeycomb structure forming die includes a first die in which a central region on the side of a kneaded material discharging surface has a convex region projecting toward a downstream side in an extruding direction of a kneaded material, a ring-shaped second die, and a space forming member interposed between the first die and the second die. In the first die, first kneaded material introducing holes are formed and latticed first slits are formed on the side of the kneaded material discharging surface of the convex region, and in the second die, there are formed second kneaded material introducing holes and latticed second slits communicating with the second kneaded material introducing holes, and in a space formed by the space forming member, movement of a kneaded material is performed between the first kneaded material introducing hole and the second kneaded material introducing hole.

公开(公告)号：US20160136633A1

公开(公告)日：2016-05-19

申请号：US14885085

申请日：2015-10-16

Applicant: NGK Insulators, Ltd.

Inventor： Takehiko WATANABE ,  Seiichiro HAYASHI ,  Kazuhiko HAMATSUKA

IPC: B01J35/04

CPC classification number: B01J35/04 ,  B23P15/243 ,  B28B3/269 ,  B29C47/0028 ,  B29C47/12

Abstract: A die has two surfaces, in a forming material supplying surface which is one surface, a plurality of back holes to introduce a forming material of a honeycomb formed body into the die are formed, and in a honeycomb formed body extruding surface which is the other surface, lattice-shaped slits corresponding to cell partition walls are formed, the back holes communicate with the slits in slit intersecting portions of the slits, polygonal cell blocks defined by the slits include chamfered portions in which parts of corner portions and the like are chamfered at a chamfering angle θ of 1.0 to 8.0° to the extruding direction, from the honeycomb formed body extruding surface toward a slit depth direction, and straight portions which are not chamfered, and a ratio of a length L of the straight portion to a slit depth D is from 20 to 60%.

Abstract translation: 模具具有两个表面，在形成一个表面的成形材料供给表面上形成有将蜂窝成形体的成形材料引入模具中的多个后孔，并且在作为另一个的蜂窝成形体挤出表面 形成与单元隔壁相对应的表面的格子状的狭缝，后孔与狭缝的狭缝交叉部分中的狭缝连通，由狭缝限定的多边形单元块包括倒角部分，其中角部等的部分被倒角 在倒角角度; 从挤压方向为1.0〜8.0°，从蜂窝成型体挤出面向狭缝深度方向，未直角部分的直线部分和直线部分的长度L与狭缝深度D的比为20° 至60％。

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。