JPH0248762U - - Google Patents
Info
- Publication number
- JPH0248762U JPH0248762U JP12921788U JP12921788U JPH0248762U JP H0248762 U JPH0248762 U JP H0248762U JP 12921788 U JP12921788 U JP 12921788U JP 12921788 U JP12921788 U JP 12921788U JP H0248762 U JPH0248762 U JP H0248762U
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- cylinder
- piston
- rotating
- converting
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000005338 heat storage Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Reciprocating Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
第１図は本考案に従つた極低温冷凍機の一実施
例の概略構成図、第２図は第１図に示す実施例に
おける弁機構の駆動部を示す説明図である。
１０……極低温冷凍機、１１……シリンダ、１
４……ピストン、１５……第１膨張空間、１６…
…第２膨張空間、１７……圧縮空間、１８，２０
……再生器、１９，２１……フリーザ、２２……
第１の弁、２３……第２の弁、２４……圧縮機、
３０……駆動手段、３１……クランクシヤフト、
３２……超音波モータ、３３……回転板、３４…
…弾性体、３５……電歪素子。
FIG. 1 is a schematic diagram of an embodiment of a cryogenic refrigerator according to the present invention, and FIG. 2 is an explanatory diagram showing a driving section of a valve mechanism in the embodiment shown in FIG. 10... Cryogenic refrigerator, 11... Cylinder, 1
4... Piston, 15... First expansion space, 16...
...Second expansion space, 17...Compression space, 18,20
...Regenerator, 19,21...Freeza, 22...
first valve, 23...second valve, 24...compressor,
30... Drive means, 31... Crankshaft,
32... Ultrasonic motor, 33... Rotating plate, 34...
...Elastic body, 35...Electrostrictive element.
Claims (1)
シリンダ内に膨張空間と該膨張空間に蓄熱体を介
して連通される圧縮空間を形成するピストンと、
該ピストンを前記各空間の容積が減少及び増大を
繰り返すように前記シリンダ内を往復動させる駆
動手段と、前記膨張空間の容積の減少時及び増大
時に前記駆動手段と同期して夫々、圧縮機の吐出
口及び吸入口に前記圧縮空間を連通させる弁機構
とを備えた極低温冷凍機において、前記駆動手段
を回転運動をピストンの軸方向の運動に変換する
変換手段と、該変換手段に固設される回転板、該
回転板にその一端面を押圧される弾性体及び該弾
性体の他端面に固設された電歪素子から成り、該
電歪素子に電圧を印加することにより前記弾性体
に振動を与えて前記弾性体に弾性波を発生させ、
該弾性波により前記弾性体と前記回転板との摩擦
力で前記回転板を回転させる回転手段とにより構
成したことを特徴とする極低温冷凍機。 a cylinder; a piston that is fitted into the cylinder and forms an expansion space in the cylinder and a compression space that communicates with the expansion space via a heat storage body;
a drive means for reciprocating the piston within the cylinder so that the volume of each of the spaces repeats decreases and increases; A cryogenic refrigerator comprising a valve mechanism that communicates the compression space with the discharge port and the suction port, and a converting means for converting the rotational movement of the driving means into an axial movement of a piston, and a converting means fixed to the converting means. It consists of a rotating plate, an elastic body whose one end face is pressed by the rotating plate, and an electrostrictive element fixed to the other end face of the elastic body, and by applying a voltage to the electrostrictive element, the elastic body generate elastic waves in the elastic body by applying vibration to the elastic body;
A cryogenic refrigerator comprising a rotating means for rotating the rotary plate by the frictional force between the elastic body and the rotary plate using the elastic waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12921788U JPH0648277Y2 (en) | 1988-09-30 | 1988-09-30 | Cryogenic refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12921788U JPH0648277Y2 (en) | 1988-09-30 | 1988-09-30 | Cryogenic refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0248762U true JPH0248762U (en) | 1990-04-04 |
| JPH0648277Y2 JPH0648277Y2 (en) | 1994-12-12 |
Family
ID=31383288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12921788U Expired - Lifetime JPH0648277Y2 (en) | 1988-09-30 | 1988-09-30 | Cryogenic refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648277Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013228128A (en) * | 2012-04-25 | 2013-11-07 | Aisin Seiki Co Ltd | Cryogenic refrigeration device |
-
1988
- 1988-09-30 JP JP12921788U patent/JPH0648277Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013228128A (en) * | 2012-04-25 | 2013-11-07 | Aisin Seiki Co Ltd | Cryogenic refrigeration device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648277Y2 (en) | 1994-12-12 |
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