JPH08303895A - Gap type heat exchanger for stirling equipment - Google Patents
Gap type heat exchanger for stirling equipmentInfo
- Publication number
- JPH08303895A JPH08303895A JP12757995A JP12757995A JPH08303895A JP H08303895 A JPH08303895 A JP H08303895A JP 12757995 A JP12757995 A JP 12757995A JP 12757995 A JP12757995 A JP 12757995A JP H08303895 A JPH08303895 A JP H08303895A
- Authority
- JP
- Japan
- Prior art keywords
- gap
- cylindrical body
- cylinder
- heat exchanger
- peripheral wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、スターリング機器に用
いられるギャップ式熱交換器の性能を向上させたスター
リング機器のギャップ式熱交換器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gap heat exchanger for Stirling equipment, which has improved performance of the gap heat exchanger used for Stirling equipment.
【０００２】[0002]
【従来の技術】図７は、スターリング機器の一例を示す
概略断面図であって、１は第１ピストン、２は第２ピス
トン、３は第１ピストン１と第２ピストン２を往復運動
させる駆動部、４は第１ピストン１に前方に形成される
圧縮空間、５は第２ピストン２の前方に形成される膨張
空間５を示している。2. Description of the Related Art FIG. 7 is a schematic sectional view showing an example of a Stirling machine, in which 1 is a first piston, 2 is a second piston, and 3 is a drive for reciprocating a first piston 1 and a second piston 2. Reference numeral 4 denotes a compression space formed in front of the first piston 1, and 5 denotes an expansion space 5 formed in front of the second piston 2.
【０００３】６は圧縮空間４と膨張空間５とを連通させ
るガス流路で、このガス流路６には、圧縮空間４側にギ
ャップ式熱交換器７を配設する一方、膨張空間５側に熱
再生器８と熱交換器９とを配設している。なお、１０は
第１ピストン１と第２ピストン２との後方空間の背圧調
整用の流路を示している。Reference numeral 6 is a gas flow path for connecting the compression space 4 and the expansion space 5 to each other. In this gas flow path 6, a gap type heat exchanger 7 is arranged on the compression space 4 side, while the expansion space 5 side is arranged. A heat regenerator 8 and a heat exchanger 9 are provided in the. In addition, 10 has shown the flow path for back pressure adjustment of the back space of the 1st piston 1 and the 2nd piston 2.
【０００４】まず、駆動部３が駆動すると第１ピストン
１が圧縮空間４側に移動して圧縮空間４に充満するヘリ
ウムや窒素等の液化しにくい作動ガスが圧縮される。圧
縮された作動ガスは、ギャップ式熱交換器７で外気と熱
交換され冷却される。First, when the drive unit 3 is driven, the first piston 1 moves to the compression space 4 side and the working gas such as helium and nitrogen which fills the compression space 4 and is difficult to liquefy is compressed. The compressed working gas is cooled by exchanging heat with the outside air in the gap type heat exchanger 7.
【０００５】ギャップ式熱交換器７は、シリンダ（内側
筒体）１１の外周壁と放熱フィンを有する外側中空筒体
１２の内周壁との間にギャップ部１３を設けており、こ
のギャップ部１３を通過する熱を外部へ放出するように
なっている。The gap type heat exchanger 7 is provided with a gap portion 13 between an outer peripheral wall of a cylinder (inner cylinder) 11 and an inner peripheral wall of an outer hollow cylinder 12 having a radiation fin. The heat that passes through is released to the outside.
【０００６】具体的には、ギャップ式熱交換器７は、図
８に示す如く、シリンダ１１の外周壁と外側中空筒体１
２の内周壁とのギャップ部１３に熱伝導良好な材質の支
持片１３ａを４個順次嵌入させることにより、作動ガス
がギャップ部１３を通過する際に作動ガスと外気とで熱
交換させるものである（図示Ａ，Ｂ，Ｃ）。Specifically, as shown in FIG. 8, the gap type heat exchanger 7 includes an outer peripheral wall of a cylinder 11 and an outer hollow cylindrical body 1.
By sequentially inserting four supporting pieces 13a made of a material having good heat conduction into the gap portion 13 between the inner peripheral wall 2 and the inner peripheral wall, heat exchange between the working gas and the outside air when the working gas passes through the gap portion 13 is performed. Yes (A, B, C in the figure).
【０００７】さらに、ガス流路６を介して作動ガスは、
熱再生器８へ流入する。熱再生器８に流入した作動ガス
は、内部の充填材を通過する際に蓄熱され作動ガスが膨
張空間５へ流入される。Further, the working gas passes through the gas flow path 6
It flows into the heat regenerator 8. The working gas that has flowed into the heat regenerator 8 accumulates heat when passing through the filler inside, and the working gas flows into the expansion space 5.
【０００８】その後、膨張空間５の第２ピストン２が第
１ピストン１とある位相差を持って降下してくる。これ
によって、膨張空間５が拡張されて熱再生器８から膨張
空間５へ流入した高圧の作動ガスが急膨張して、作動ガ
スの圧力が急降下するため作動ガスが低温となる。After that, the second piston 2 in the expansion space 5 descends with a certain phase difference from the first piston 1. As a result, the expansion space 5 is expanded and the high-pressure working gas that has flowed into the expansion space 5 from the heat regenerator 8 is rapidly expanded, and the pressure of the working gas sharply drops, so that the working gas becomes a low temperature.
【０００９】やがて、第２ピストン２が上昇を開始し、
第１ピストン１が後退すると、低温の作動ガスが熱再生
器８を通って圧縮空間４へ戻る。このとき、熱再生器８
では冷熱の蓄熱がされる。Eventually, the second piston 2 starts to rise,
When the first piston 1 retracts, the low temperature working gas returns to the compression space 4 through the heat regenerator 8. At this time, the heat regenerator 8
Then, cold heat is stored.
【００１０】上記した工程によって、一つの熱サイクル
が終了し、この工程が駆動部３の往復運動によって繰返
される。これにより、徐々に、膨張空間５の周辺の温度
が低温とされる。One thermal cycle is completed by the above-mentioned steps, and this step is repeated by the reciprocating movement of the drive unit 3. As a result, the temperature around the expansion space 5 is gradually lowered.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、図７に
備えるギャップ式熱交換器７は、熱交換効率が極めて悪
いという問題がある。However, the gap type heat exchanger 7 provided in FIG. 7 has a problem that the heat exchange efficiency is extremely poor.
【００１２】すなわち、図７のギャップ式熱交換器７は
図８で示すようにシリンダ１１と外側中空筒体１２との
ギャップ部１３に支持片１３ａを嵌入させているが、シ
リンダ１１と外側中空筒体１２の接触面が４ケの支持片
１３ａによるもののみであり、シリンダ１１から外側中
空筒体１２への熱伝導が少なく、また、作動ガスとの接
触面積も少ない。That is, in the gap type heat exchanger 7 of FIG. 7, the support piece 13a is fitted in the gap portion 13 between the cylinder 11 and the outer hollow cylindrical body 12 as shown in FIG. The contact surface of the cylindrical body 12 is only due to the four support pieces 13a, so that the heat conduction from the cylinder 11 to the outer hollow cylindrical body 12 is small, and the contact area with the working gas is small.
【００１３】このためにシリンダ１１の外周壁からの熱
の熱伝導による放出が極めて悪く、作動ガスと外部との
熱放出も悪く、全体的にギャップ部１３を通過する作動
ガスと外部との熱交換効率が悪いという問題がある。For this reason, the heat released from the outer peripheral wall of the cylinder 11 by heat conduction is extremely poor, and the heat released between the working gas and the outside is also poor, and the heat between the working gas passing through the gap 13 and the outside is entirely. There is a problem that exchange efficiency is poor.
【００１４】そこで、本発明は、熱交換効率を向上させ
熱損失を軽減させるスターリング機器のギャップ式熱交
換器を提供することを目的とする。Therefore, an object of the present invention is to provide a gap type heat exchanger for Stirling equipment which improves heat exchange efficiency and reduces heat loss.
【００１５】[0015]
【課題を解決するための手段】請求項１の発明は、内側
筒体の外周壁と放熱フィンを有する外側中空筒体の内周
壁との間にギャップを設けて、このギャップを通過する
作動ガスと外気とを熱交換させるスターリング機器のギ
ャップ式熱交換器において、波状の板体をまるめて形成
した熱伝導良好体を備え、この熱伝導良好体をギャップ
に嵌入して内側筒体と外側中空筒体との間の接触面積を
大きくすると共に、ギャップ内に作動ガスの通気路を設
けるようにしたものである。According to a first aspect of the present invention, a gap is provided between an outer peripheral wall of an inner cylindrical body and an inner peripheral wall of an outer hollow cylindrical body having a radiation fin, and a working gas passing through the gap. In a gap type heat exchanger of Stirling equipment for exchanging heat with the outside air, a heat conduction good body formed by rolling a corrugated plate body is provided, and the heat conduction good body is fitted into the gap to form an inner cylinder body and an outer hollow body. The contact area with the cylindrical body is increased, and a ventilation passage for the working gas is provided in the gap.
【００１６】請求項２の発明は、内側筒体の外周壁と放
熱フィンを有する外側中空筒体の内周壁との間にギャッ
プを設けて、このギャップを通過する作動ガスと外気と
を熱交換させるスターリング機器のギャップ式熱交換器
において、内側筒体の外周壁に波状に連なる複数の突状
片を設け、これら複数の突状片を外側中空筒体の内周壁
に接触させて内側筒体と外側中空筒体との接触面積を大
きくすると共に、ギャップ内に作動ガスの通気路を設け
るようにしたものである。According to the second aspect of the present invention, a gap is provided between the outer peripheral wall of the inner cylindrical body and the inner peripheral wall of the outer hollow cylindrical body having the radiation fins, and the working gas passing through the gap and the outside air are heat-exchanged. In a gap type heat exchanger of a Stirling machine, a plurality of wavy protruding pieces are provided on the outer peripheral wall of the inner cylindrical body, and these plural protruding pieces are brought into contact with the inner peripheral wall of the outer hollow cylindrical body to form the inner cylindrical body. The contact area between the outer hollow cylinder and the outer hollow cylinder is increased, and a ventilation passage for the working gas is provided in the gap.
【００１７】請求項３の発明は、請求項２記載のスター
リング機器のギャップ式熱交換器において、内側筒体の
外周壁に形成される波状に連なる複数の突状片を筒軸方
向より斜めに設けるようにしたものである。According to a third aspect of the present invention, in the gap heat exchanger for a Stirling machine according to the second aspect, a plurality of wavy projections formed on the outer peripheral wall of the inner cylindrical body are slanted from the cylinder axis direction. It is provided.
【００１８】[0018]
【作用】請求項１の発明によれば、作動ガスが波状の板
体からなる熱伝導良好体の通気路を通過するとき熱伝導
良好体を介して内側筒体から放熱フィンを有する外側中
空筒体へ熱伝導がされる。この場合に、熱伝導良好体に
は波板状に多くの接触面があるから内側筒体の発熱が良
好に外側中空筒体に伝導され、また、作動ガスが外部へ
良好に熱伝導され全体的に熱交換効率が向上する。According to the first aspect of the present invention, when the working gas passes through the ventilation passage of the good heat conduction member made of the corrugated plate, the outer hollow cylinder having the heat radiation fin from the inner cylindrical member via the good heat conduction member. Heat is transferred to the body. In this case, since the good heat conducting body has many contact surfaces in a corrugated plate shape, the heat generation of the inner cylindrical body is well conducted to the outer hollow cylindrical body, and the working gas is well thermally conducted to the outside. Heat exchange efficiency is improved.
【００１９】請求項２の発明によれば、内側筒体の外周
壁に波状に連なるように形成される複数の突状片と外側
中空筒体との接触面積が大きくなるから熱伝導が良好に
行われ、熱交換効率が向上する。According to the second aspect of the present invention, the contact area between the plurality of projecting pieces formed in a wavy manner on the outer peripheral wall of the inner cylindrical body and the outer hollow cylindrical body is large, so that good heat conduction is achieved. The heat exchange efficiency is improved.
【００２０】請求項３の発明によれば、内側筒体に形成
される突状片を筒軸方向より斜め方向としたから筒軸方
向と比べ、さらに、接触面積が増大し、熱交換効率が高
いギャップ式熱交換器が得られる。According to the third aspect of the invention, since the projecting piece formed on the inner cylindrical body is oblique to the cylinder axis direction, the contact area is further increased as compared with the cylinder axis direction, and the heat exchange efficiency is improved. A high gap type heat exchanger is obtained.
【００２１】[0021]
【実施例】以下、本発明の実施例を図面を参照して説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００２２】図１は、本発明の第１実施例を示すスター
リング機器に備えるギャップ式熱交換器の説明図であ
る。FIG. 1 is an explanatory view of a gap type heat exchanger provided in a Stirling machine showing a first embodiment of the present invention.
【００２３】図示するように、ギャップ式熱交換器７Ａ
を組立てるとき、まず、シリンダ（内側筒体）１１に外
側中空筒体１２を挿入しておく（図示Ａ）。続いて、平
板１４ａを連続繰返しのコの字状に連なるように板体を
プレス等で形成する（図示Ｂの右上）。そして、外側中
空筒体１２とシリンダ１１により形成されるギャップ部
１３へ嵌入できるように平板１４ａを円状にまるめた中
空円筒状の熱伝導良好体１４を作る（図示Ｂ右下）。As shown, the gap type heat exchanger 7A
When assembling, first, the outer hollow cylindrical body 12 is inserted into the cylinder (inner cylindrical body) 11 (A in the figure). Subsequently, a plate body is formed by a press or the like so that the flat plate 14a is continuously repeated in a U-shape (upper right in the drawing B). Then, a hollow cylindrical heat conduction good body 14 is made by rounding a flat plate 14a so that it can be fitted into the gap portion 13 formed by the outer hollow cylindrical body 12 and the cylinder 11 (bottom right of B in the figure).
【００２４】次に、熱伝導良好体１４を外側中空筒体１
２とシリンダ１１とのギャップ部１３へ嵌入する（図示
Ｃ）。これによって、ギャップ式熱交換器７Ａが完成
し、図７に示す如くのスターリング機器に装備される。Next, the good heat conductive member 14 is attached to the outer hollow cylindrical member 1.
2 is fitted into the gap 13 between the cylinder 11 and the cylinder 11 (C in the drawing). As a result, the gap type heat exchanger 7A is completed and installed in the Stirling machine as shown in FIG.
【００２５】なお、図２に示すように熱伝導良好体１４
は、鉄板に銅メッキを施してあり、これをシリンダ１１
の外周壁１１ａと外側中空筒体１２の内周壁１２ａとに
ロー付けをして固定している。また、熱伝導良好体１４
は図２のようにコの字でなくても図３に示す三角形の連
続繰返し形状でもよく、図４に示す正弦波形のようなも
のでもよく熱伝導良好な金属によって熱伝導面積が増大
し、かつ、作動ガスの通気路が確保できるものであれば
よい。It should be noted that as shown in FIG.
Is an iron plate plated with copper.
The outer peripheral wall 11a and the inner peripheral wall 12a of the outer hollow cylindrical body 12 are fixed by brazing. In addition, the good thermal conductivity 14
2 may have a continuous repeating shape of the triangle shown in FIG. 3 instead of the U-shape as shown in FIG. 2, and may have a sinusoidal waveform shown in FIG. In addition, it is only necessary that a ventilation passage for the working gas can be secured.
【００２６】このような熱伝導良好体１４の介在により
シリンダ１１の外側中空筒体１２の内周壁１２ａとの間
の熱伝導面積が大幅に増大し、熱伝導効率が大幅に改善
される。By interposing such a good heat conducting body 14, the heat conducting area between the outer hollow cylindrical body 12 of the cylinder 11 and the inner peripheral wall 12a is greatly increased, and the heat conducting efficiency is greatly improved.
【００２７】図５は、本発明の第２実施例を示すスター
リング機器に備えるギャップ式熱交換器の説明図であ
る。FIG. 5 is an explanatory view of a gap type heat exchanger provided in a Stirling machine showing a second embodiment of the present invention.
【００２８】図示するように、シリンダ（内側筒体）１
１Ａは、外周壁に筒軸方向に対して平行に細長の突片状
の熱伝導片１１Ａａを外周壁の全面に連ねて形成する
（図示Ａ右側）。このシリンダ１１Ａを外側中空筒体１
２の内側に嵌入してギャップ式熱交換器７Ｂを完成する
（図示Ｂ）。このギャップ式熱交換器７Ｂは、図７に示
す如くのスターリング機器へ装備される。これによれ
ば、熱伝導片１１Ａａが多数の波状に連ねているため接
触面積が大きく、伝熱量も大きく熱交換器の効率が向上
する。As shown, a cylinder (inner cylinder) 1
In 1A, an elongated projecting heat-conducting piece 11Aa is formed on the outer peripheral wall so as to be parallel to the cylinder axis direction and is continuous with the entire surface of the outer peripheral wall (the right side in the figure A). This cylinder 11A is used as the outer hollow cylinder 1
The gap type heat exchanger 7B is fitted into the inside of 2 to complete the gap type heat exchanger 7B (shown in B). The gap type heat exchanger 7B is installed in a Stirling machine as shown in FIG. According to this, since the heat conduction pieces 11Aa are connected in a large number of corrugations, the contact area is large, the amount of heat transfer is large, and the efficiency of the heat exchanger is improved.
【００２９】図６は、本発明の第３実施例を示すもの
で、図６は図５に示す第２実施例のシリンダ（内側筒
体）１１Ａと外壁を異にしたシリンダ（内側筒体）１１
Ｂとするものである。FIG. 6 shows a third embodiment of the present invention. FIG. 6 shows a cylinder (inner cylinder) having a different outer wall from the cylinder (inner cylinder) 11A of the second embodiment shown in FIG. 11
B.
【００３０】すなわち、図示するシリンダ（内側筒体）
１１Ｂは、外周壁に筒軸方向に対して斜めに細長の突状
片の熱伝導片１１Ｂａが全周に波状に連なって形成され
ている。この熱伝導片１１Ｂａが形成されるシリンダ１
１Ｂは、図５の外側中空筒体１２へ挿入されギャップ式
熱交換器となる。That is, the illustrated cylinder (inner cylinder)
The outer peripheral wall of 11B is formed with slender projecting heat-conducting pieces 11Ba obliquely with respect to the cylinder axis direction in a wavy manner all around. Cylinder 1 in which this heat conduction piece 11Ba is formed
1B is inserted into the outer hollow cylindrical body 12 of FIG. 5 to form a gap type heat exchanger.
【００３１】この構成によれば、熱伝導片１１Ｂａとの
表面積が第２実施例による熱伝導片１１Ａａより大きい
から接触面積が増大して、さらに、熱交換の効率が向上
することができ、また、作動ガスの通気路も確保でき
る。According to this structure, since the surface area with the heat conducting piece 11Ba is larger than that of the heat conducting piece 11Aa according to the second embodiment, the contact area is increased and the heat exchange efficiency can be further improved. It is also possible to secure a ventilation passage for working gas.
【００３２】[0032]
【発明の効果】以上説明したように請求項１の発明によ
れば、波状の板体をまるめて形成した熱伝導良好体がギ
ャップに嵌入されているために内側筒体と外側中空筒体
の熱伝導面積が大きく、熱伝導が良好に行われ、熱交換
効率を向上させることができる。As described above, according to the first aspect of the present invention, since the good heat conductive member formed by rolling the corrugated plate member is fitted in the gap, the inner cylindrical member and the outer hollow cylindrical member are separated from each other. The heat conduction area is large, the heat conduction is excellent, and the heat exchange efficiency can be improved.
【００３３】また、請求項２の発明によれば、内側筒体
の外周壁に形成される突状片と外側中空筒体との接触面
積が大きいから熱伝導が良好に行われ、熱交換効率が向
上する。Further, according to the second aspect of the invention, since the contact area between the projecting piece formed on the outer peripheral wall of the inner cylindrical body and the outer hollow cylindrical body is large, the heat conduction is excellent and the heat exchange efficiency is high. Is improved.
【００３４】請求項３の発明によれば、内側筒体の外周
壁に形成される突状片を筒軸方向より斜め方向としたか
ら筒軸方向と比べ、さらに、接触面積が増大し、熱交換
効率が高いギャップ式熱交換器が得られる。According to the third aspect of the invention, since the projecting piece formed on the outer peripheral wall of the inner cylindrical body is oblique to the cylinder axis direction, the contact area is further increased as compared with the cylinder axis direction, and the heat A gap type heat exchanger with high exchange efficiency can be obtained.
【図１】本発明の第１実施例を示すギャップ式熱交換器
の説明図。FIG. 1 is an explanatory view of a gap type heat exchanger showing a first embodiment of the present invention.
【図２】図１のギャップ式熱交換器に備える熱伝導良好
体の第１の例を示す説明図。FIG. 2 is an explanatory diagram showing a first example of a good thermal conductor provided in the gap heat exchanger of FIG.
【図３】図１のギャップ式熱交換器に備える熱伝導良好
体の第２の例を示す説明図。FIG. 3 is an explanatory view showing a second example of a good thermal conductive member provided in the gap heat exchanger of FIG.
【図４】図１のギャップ式熱交換器に備える熱伝導良好
体の第３の例を示す説明図。FIG. 4 is an explanatory view showing a third example of a good heat conductive member provided in the gap heat exchanger of FIG. 1.
【図５】本発明の第２実施例を示すギャップ式熱交換器
の説明図。FIG. 5 is an explanatory view of a gap type heat exchanger showing a second embodiment of the present invention.
【図６】本発明の第３実施例を示すギャップ式熱交換器
の説明図。FIG. 6 is an explanatory view of a gap type heat exchanger showing a third embodiment of the present invention.
【図７】ギャップ式熱交換器を備えるスターリング機器
を示す概略説明図。FIG. 7 is a schematic explanatory view showing a Stirling machine provided with a gap type heat exchanger.
【図８】従来のギャップ式熱交換器を示す説明図。FIG. 8 is an explanatory view showing a conventional gap type heat exchanger.
１ 第１ピストン ２ 第２ピストン ３ 駆動部 ４ 圧縮空間 ５ 膨張空間 ６ ガス流路 ７，７Ａ，７Ｂ ギャップ式熱交換器 ８ 熱再生器 ９ 熱交換器 １０ 流路（背圧ガス用） １１，１１Ａ．１１Ｂ シリンダ（内側筒体） １１Ａａ，１１Ｂａ 熱伝導片 １２ 外側中空筒体 １３ ギャップ部 １３ａ 支持片 １４ 熱伝導良好体 １４ａ 平板 1 1st piston 2 2nd piston 3 Drive part 4 Compression space 5 Expansion space 6 Gas flow path 7, 7A, 7B Gap type heat exchanger 8 Heat regenerator 9 Heat exchanger 10 Flow path (for back pressure gas) 11, 11A. 11B Cylinder (inner cylinder) 11Aa, 11Ba Heat conduction piece 12 Outer hollow cylinder 13 Gap part 13a Support piece 14 Heat conduction good body 14a Flat plate
Claims (3)
外側中空筒体の内周壁との間にギャップを設けて、この
ギャップを通過する作動ガスと外気とで熱交換させるス
ターリング機器のギャップ式熱交換器において、 波状の板体をまるめて形成した熱伝導良好体を備え、 この熱伝導良好体を前記ギャップに嵌入して前記内側筒
体と外側中空筒体との間の接触面積を大きくすると共
に、前記ギャップ内に作動ガスの通気路を設けたことを
特徴とするスターリング機器のギャップ式熱交換器。1. A gap of a Stirling machine in which a gap is provided between an outer peripheral wall of an inner cylindrical body and an inner peripheral wall of an outer hollow cylindrical body having a radiation fin, and heat exchange is performed between a working gas passing through the gap and the outside air. The heat exchanger includes a good heat conduction body formed by rolling a corrugated plate body, and the good heat conduction body is fitted into the gap to reduce the contact area between the inner cylindrical body and the outer hollow cylindrical body. A gap type heat exchanger for a Stirling machine, characterized in that it is made larger and a working gas vent passage is provided in the gap.
外側中空筒体の内周壁との間にギャップを設けて、この
ギャップを通過する作動ガスと外気とで熱交換させるス
ターリング機器のギャップ式熱交換器において、 前記内側筒体の外周壁に波状に連なる複数の突状片を設
け、これら複数の突状片を前記外側中空筒体の内周壁に
接触させて前記内側筒体と外側中空筒体との接触面積を
大きくすると共に、前記ギャップ内に作動ガスの通気路
を設けたことを特徴とするスターリング機器のギャップ
式熱交換器。2. A gap of a Stirling machine in which a gap is provided between an outer peripheral wall of an inner cylindrical body and an inner peripheral wall of an outer hollow cylindrical body having a radiating fin, and heat is exchanged between a working gas passing through the gap and the outside air. In the heat exchanger, a plurality of wavy protruding pieces are provided on the outer peripheral wall of the inner cylindrical body, and the plurality of protruding pieces are brought into contact with the inner peripheral wall of the outer hollow cylindrical body so as to contact the inner cylindrical body and the outer side. A gap type heat exchanger for a Stirling machine, characterized in that a contact area with a hollow cylindrical body is increased and a ventilation passage for a working gas is provided in the gap.
なる複数の突状片を筒軸方向より斜めに設けることを特
徴とする請求項２記載のスターリング機器のギャップ式
熱交換器。3. The gap heat exchanger for a Stirling machine according to claim 2, wherein a plurality of wavy projections formed on the outer peripheral wall of the inner cylinder are provided obliquely with respect to the cylinder axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12757995A JP3263566B2 (en) | 1995-04-28 | 1995-04-28 | Gap heat exchanger for Stirling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12757995A JP3263566B2 (en) | 1995-04-28 | 1995-04-28 | Gap heat exchanger for Stirling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08303895A true JPH08303895A (en) | 1996-11-22 |
| JP3263566B2 JP3263566B2 (en) | 2002-03-04 |
Family
ID=14963557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12757995A Expired - Fee Related JP3263566B2 (en) | 1995-04-28 | 1995-04-28 | Gap heat exchanger for Stirling equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3263566B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819592A (en) * | 2014-01-31 | 2015-08-05 | 住友重机械工业株式会社 | Regenerator and regenerative refrigerator |
| WO2015165371A1 (en) * | 2014-04-29 | 2015-11-05 | 浙江大学 | Low-temperature regenerator and low-temperature refrigerator |
-
1995
- 1995-04-28 JP JP12757995A patent/JP3263566B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819592A (en) * | 2014-01-31 | 2015-08-05 | 住友重机械工业株式会社 | Regenerator and regenerative refrigerator |
| CN104819592B (en) * | 2014-01-31 | 2017-06-06 | 住友重机械工业株式会社 | Regenerator and regenerative refrigerator |
| WO2015165371A1 (en) * | 2014-04-29 | 2015-11-05 | 浙江大学 | Low-temperature regenerator and low-temperature refrigerator |
| US10247451B2 (en) | 2014-04-29 | 2019-04-02 | Zhejiang University | Cryogenic regenerator and cryogenic refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3263566B2 (en) | 2002-03-04 |
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