JPS635592B2 - - Google Patents

Description

【発明の詳細な説明】 本発明は、熱機関で駆動する流体機械に関し、
特に熱機関の作動流体と流体機械によつて圧縮等
の作用を受ける流体（以下流体機械の作動流体と
略称する）とが互いに混じり合わない様に隔てた
ものに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fluid machine driven by a heat engine,
In particular, it relates to a system in which the working fluid of a heat engine and the fluid subjected to compression or the like by a fluid machine (hereinafter referred to as the working fluid of the fluid machine) are separated so that they do not mix with each other.

従来の熱機関で駆動する流体機械において熱機
関の作動流体と流体機械の作動流体を隔てる様に
したものは、第１図の様な構造であつた。第１図
において、熱機関１によつて駆動される伝動軸２
には流体機械３のピストン４が取付けられ、熱機
関１から受ける力によつて伝動軸２が軸方向に往
復運動し、それによつて往復運動するピストン４
によつてその軸方向両側の室５及び６の体積が増
減する。それによつて、流体機械３の作動流体
は、吸入通路７、吸入室８、吸入弁９又は１０を
通つて室５又は６に入り、前記ピストン４の往復
運動によつて加圧され、吐出弁１１又は１２、吐
出室１３、吐出通路１４を通つて出て行く。こう
して、熱機関１は、伝動軸２、流体機械３を介し
て流体機械の作動媒体に仕事をする。 A conventional fluid machine driven by a heat engine that separates the working fluid of the heat engine from the working fluid of the fluid machine has a structure as shown in FIG. In FIG. 1, a transmission shaft 2 driven by a heat engine 1
A piston 4 of a fluid machine 3 is attached to the holder, and the transmission shaft 2 reciprocates in the axial direction due to the force received from the heat engine 1, thereby causing the piston 4 to reciprocate.
Accordingly, the volumes of chambers 5 and 6 on both sides in the axial direction increase or decrease. Thereby, the working fluid of the fluid machine 3 enters the chamber 5 or 6 through the suction passage 7, the suction chamber 8, the suction valve 9 or 10, is pressurized by the reciprocating movement of the piston 4, and is pressurized through the discharge valve. 11 or 12, a discharge chamber 13, and a discharge passage 14. In this way, the heat engine 1 performs work on the working medium of the fluid machine via the transmission shaft 2 and the fluid machine 3.

一方、熱機関１の作動流体と流体機械３の作動
流体とが互いに混じり合わない様にするため、熱
機関１と流体機械３との間の仕切室１５内に可撓
性隔板１６が設けられている。この可撓性隔板１
６の一方の縁１７は、前記熱機関１、流体機械３
及び室１５を外部に対して密閉する密閉容器１８
に封止され、他方の縁１９は伝動軸２に封止され
ており、熱機関１の作動流体と流体機械３の作動
流体とは互いに混じり合うことはなく、かつ伝動
軸２の往復運動は可撓性隔板１６の変形によつて
許される。 On the other hand, in order to prevent the working fluid of the heat engine 1 and the working fluid of the fluid machine 3 from mixing with each other, a flexible partition plate 16 is provided in the partition chamber 15 between the heat engine 1 and the fluid machine 3. It is being This flexible partition plate 1
One edge 17 of the heat engine 1, the fluid machine 3
and an airtight container 18 that seals the chamber 15 from the outside.
The other edge 19 is sealed to the transmission shaft 2, so that the working fluid of the heat engine 1 and the working fluid of the fluid machine 3 do not mix with each other, and the reciprocating motion of the transmission shaft 2 is This is allowed by the deformation of the flexible diaphragm 16.

ところで、この様な構成の場合、次の様な欠点
があつた。すなわち、仕切室１５内の可撓性隔板
１６で隔てられた室２０と室２１内の圧力は、時
間平均的には等しくなる様になつているが、伝動
軸２が往復運動している各瞬間には等しくない。
今、第１図において可撓性隔板１６に面する室２
０内の圧力と室２１内の圧力が等しいとして、こ
のとき伝動軸２が上方に変位すると、可撓性隔板
１６の縁１９も伝動軸２と共に上方に変位するの
で、室２１の体積は減少して内圧が増加し、他方
室２０の体積は増加して内圧が減少し、その結果
可撓性隔板１６にこの差圧よる力が下方に働く。
これによつて可撓性隔板１６には、縁１９上方へ
の移動による変形と上記差圧による力によつて生
じる変形とが生じ、差圧が０になるまで変形が続
くことになる。ところが、可撓性隔板１６として
この様な変形が十分に可能なものを作ることは難
しく、変形が不十分であると、室２０，２１間に
差圧が残り、それによつて可撓性隔板１６に大き
な応力が生じる。そのため、可撓性隔板１６の信
頼性が低下し、それによつて装置全体の信頼性が
低下することになる。 However, such a configuration has the following drawbacks. That is, the pressures in the chambers 20 and 21, which are separated by the flexible partition plate 16 in the partition chamber 15, are equal on a time-average basis, but the transmission shaft 2 is reciprocating. not equal at each moment.
Now, in FIG. 1, the chamber 2 facing the flexible diaphragm 16
Assuming that the pressure inside 0 and the pressure inside chamber 21 are equal, when the transmission shaft 2 is displaced upward at this time, the edge 19 of the flexible diaphragm 16 is also displaced upward together with the transmission shaft 2, so the volume of the chamber 21 is The internal pressure decreases and the internal pressure increases, while the volume of the chamber 20 increases and the internal pressure decreases, resulting in a downward force acting on the flexible diaphragm 16 due to this differential pressure.
As a result, the flexible diaphragm 16 undergoes deformation due to the upward movement of the edge 19 and deformation caused by the force due to the differential pressure, and the deformation continues until the differential pressure becomes zero. However, it is difficult to make a flexible diaphragm 16 that can sufficiently deform in this way, and if the deformation is insufficient, a pressure difference will remain between the chambers 20 and 21, which will cause the flexibility to deteriorate. A large stress is generated in the partition plate 16. This reduces the reliability of the flexible diaphragm 16, thereby reducing the reliability of the entire device.

本発明は、従来のかかる問題点に鑑み、熱機関
の作動流体と流体機械の作動流体とを隔てる機能
の信頼性を高めた熱機関で駆動する流体機械を提
供することを目的とする。 SUMMARY OF THE INVENTION In view of these conventional problems, it is an object of the present invention to provide a fluid machine driven by a heat engine that has improved reliability in the function of separating the working fluid of the heat engine and the working fluid of the fluid machine.

本発明は、このため密閉容器内を、その内壁に
封止された第１および第２の可撓性隔板によつ
て、これら可撓性隔板間の第１の閉空間とその両
側の第２と第３の閉空間とに区画し、前記第１の
閉空間内に流体機械を配設し、前記第２の閉空間
内に熱機関を配設し、前記熱機関と流体機械を連
結する伝動軸を前記第１及び第２の可撓性隔板を
貫通させて設けると共にその貫通部を封止し、か
つ第２の閉空間と第３の閉空間を連通させ、伝動
軸の往復運動にかかわらず第１及び第２の可撓性
隔板の各々の両側の室内の圧力が変わらない様に
した熱機関で駆動される流体機械を提供する。 For this reason, the present invention provides a first closed space between the flexible partitions and a space on both sides thereof by means of the first and second flexible partitions sealed on the inner wall of the closed container. partitioned into a second and third closed space, a fluid machine is arranged in the first closed space, a heat engine is arranged in the second closed space, and the heat engine and the fluid machine are arranged. A transmission shaft to be connected is provided to pass through the first and second flexible partitions, and the penetrating portion thereof is sealed, and the second closed space and the third closed space are communicated, and the transmission shaft is connected. To provide a fluid machine driven by a heat engine in which the pressure in chambers on both sides of each of first and second flexible partitions remains unchanged regardless of reciprocating motion.

以下、本発明の一実施例を第２図に基づいて説
明すると、２３は熱機関、２４は圧縮機、ポンプ
等の流体機械であり、熱機関２３と流体機械２４
にまたがつて伝動軸２５が設けられている。この
伝動軸２５は熱機関２３から受ける力によつて軸
方向に往復運動し、これに流体機械２４のピスト
ン２６が取付けられている。また、流体機械２４
には、吸入通路２７、吸入室２８、吸入弁２９，
３０、前記ピストン２６両側の室３１，３２、吐
出弁３３，３４、吐出室３５、吐出通路３６が設
けられている。さらに、熱機関２３と流体機械２
４との間に仕切室３７が設けられ、この室３７に
第１の可撓性隔板３８が設けられている。この第
１の可撓性隔板３８の一方の縁３９は、前記熱機
関２３、流体機械２４、仕切室３７及び後述の仕
切室４４とクツシヨン室４５を一体的に囲んで外
部に対して密閉する密閉容器４０の内壁に封止さ
れている。第１の可撓性隔板３８の他方の縁４１
は、伝動軸２５に封止されている。こうして室３
７は第１の可撓性隔板３８によつて、流体機械２
４側の第１の閉空間の一部となる室４２と熱機関
２３側の第２の閉空間の一部となる室４３とに連
通しない状態で２分されている。また流体機械２
４の熱機関２３とは反対側に仕切室４４とクツシ
ヨン室４５がこの順で設けられており、仕切室４
４に第２の可撓性隔板４６が設けられている。こ
の第２の可撓性隔板４６の一方の縁４７は密閉容
器４０の内壁に封止され、他方の縁４８は仕切室
４４を貫通する伝動軸２５に封止されている。こ
うして仕切室４４は第２の可撓性隔板４６によつ
て流体機械２４側の第１の閉空間の一部となる室
４９と前記クツシヨン室４５と共に第３の閉空間
を構成する室５０の２つに互いに連通しない様に
２分されている。さらに、室４３と室５０とは流
通抵抗の小さい均圧管５１で連通され、室４２と
室４９とは流通抵抗の小さい均圧管５２で連通さ
れている。尚、第２図においては、伝動軸２５は
往復運動の振幅の中心位置にあり、この位置で室
４２，４９，４３，５０の内圧はほゞ等しくなる
ようになつている。また、伝動軸２５が往復運動
したときには、室４２と４９の体積が背反的に増
減するがその増減分がほゞ等しくて室４２と４９
の体積の和はほとんど変化せずかつ増減分の流体
が均圧管５２を通つて移動する様に構成され、室
４３と５０についても同様に構成されている。こ
れは、室４２，４３，４９，５０と第１及び第２
の可撓性隔板３８，４６を適当な形状に設計し、
かつ均圧管５１，５２の流通抵抗を小さくするこ
とによつて可能であり、こうすることによつて伝
動軸２５が往復運動しても第１及び第２の可撓性
隔板３８，４６に大きな応力が働かない様にして
いる。また、伝動軸２５の往復運動によつて、ク
ツシヨン室４５内の体積が変化する様になつてお
り、これによつて伝動軸２５が上方に移動して室
４５内に侵入してくると室４５内の圧力が上昇し
て伝動軸２５に侵入を阻止する様な力が働き、逆
に伝動軸２５が下方に運動して室４５内から出て
行くと室４５内の圧力が減少し、伝動軸２５に出
て行くのを阻止する様な力が働くようになつてい
る。 Hereinafter, one embodiment of the present invention will be described based on FIG. 2. 23 is a heat engine, 24 is a fluid machine such as a compressor, a pump, etc.
A transmission shaft 25 is provided astride the two. This transmission shaft 25 reciprocates in the axial direction by the force received from the heat engine 23, and a piston 26 of the fluid machine 24 is attached to it. In addition, the fluid machine 24
includes a suction passage 27, a suction chamber 28, a suction valve 29,
30, chambers 31 and 32 on both sides of the piston 26, discharge valves 33 and 34, a discharge chamber 35, and a discharge passage 36 are provided. Furthermore, the heat engine 23 and the fluid machine 2
4, a partition chamber 37 is provided, and a first flexible partition plate 38 is provided in this chamber 37. One edge 39 of the first flexible partition plate 38 integrally surrounds the heat engine 23, the fluid machine 24, the partition chamber 37, and the partition chamber 44 and cushion chamber 45, which will be described later, and is sealed from the outside. The inner wall of the airtight container 40 is sealed. The other edge 41 of the first flexible diaphragm 38
is sealed to the transmission shaft 25. Thus room 3
7 is connected to the fluid machine 2 by the first flexible diaphragm 38.
It is divided into two without communicating with a chamber 42 which becomes part of the first closed space on the 4 side and a chamber 43 which becomes part of the second closed space on the heat engine 23 side. Also, fluid machine 2
A partition chamber 44 and a cushion chamber 45 are provided in this order on the opposite side of the heat engine 23 of No. 4.
4 is provided with a second flexible diaphragm 46. One edge 47 of this second flexible partition 46 is sealed to the inner wall of the closed container 40, and the other edge 48 is sealed to the transmission shaft 25 passing through the partition 44. In this way, the partition chamber 44 is connected to the chamber 49 which becomes a part of the first closed space on the fluid machine 24 side by means of the second flexible partition 46, and the chamber 50 which forms a third closed space together with the cushion chamber 45. It is divided into two parts so that they do not communicate with each other. Furthermore, the chambers 43 and 50 are communicated with each other through a pressure equalizing pipe 51 with low flow resistance, and the chambers 42 and 49 are communicated with each other through a pressure equalizing pipe 52 with low flow resistance. In FIG. 2, the transmission shaft 25 is located at the center of the amplitude of the reciprocating motion, and at this position the internal pressures of the chambers 42, 49, 43, and 50 are approximately equal. Further, when the transmission shaft 25 reciprocates, the volumes of the chambers 42 and 49 increase and decrease contrary to each other, but the increases and decreases are almost equal, and the volumes of the chambers 42 and 49 increase and decrease contrary to each other.
The sum of the volumes of the chambers 43 and 50 is configured in a similar manner so that the sum of the volumes of the chambers 43 and 50 hardly changes and the fluid corresponding to the increase or decrease moves through the pressure equalizing pipe 52. This includes chambers 42, 43, 49, 50 and the first and second chambers.
The flexible diaphragms 38 and 46 of are designed in an appropriate shape,
This is possible by reducing the flow resistance of the pressure equalizing pipes 51 and 52, so that even when the transmission shaft 25 reciprocates, the first and second flexible partitions 38 and 46 are not affected. I try not to put too much stress on it. Further, the volume inside the cushion chamber 45 changes due to the reciprocating motion of the transmission shaft 25, and as a result, when the transmission shaft 25 moves upward and enters the chamber 45, the chamber The pressure inside the chamber 45 increases and a force acts on the transmission shaft 25 to prevent it from entering, and conversely, when the transmission shaft 25 moves downward and leaves the chamber 45, the pressure inside the chamber 45 decreases. A force acts on the transmission shaft 25 to prevent it from moving out.

さらに密閉容器４０内の熱機関２３及び室４３
（第２の閉空間）の方には水素、ヘリウム等の熱
機関の作動流体が、流体機械２４及び室４２，４
９（第１の閉空間）の方には流体機械２４の作動
流体がそれぞれ充填されている。熱機関２３の作
動流体は、また均圧管５１を介して室５０及びク
ツシヨン室４５（第３の閉空間）内にも閉じ込め
られている。従つて、熱機関２３の作動流体と流
体機械２４の作動流体とは、第１の閉空間と第
２・第３の閉空間を分離する第１及び第２の可撓
性隔板３８，４６によつて互いに混じり合うこと
の無い様に隔てられていることになる。また、ク
ツシヨン室４５と仕切室４４の室５０、流体機械
２４の室３１と仕切室４４の室４９および流体機
械２４の室３２と仕切室３７の室４２とは、密閉
容器４０と伝動軸２５との間の狭い隙間を介して
連通しており、流体機械２４の前記室３１と３２
とは密閉容器４０とピストン２６との間の狭い隙
間を介して連通している。これら狭い隙間を介し
て連通している２つの室は流体が自由に出入りで
きるようになつているので、２つの室間に差圧が
あれば流体は圧力の高い室から圧力の低い室の方
へ差圧がなくなるまで流動し続けるが、この狭い
隙間は流通抵抗が大きいので、２室間の時間平均
圧力に差がなくかつ各室内の圧力が高い周波数で
変動して瞬間的に差圧が生じる様な場合にはこの
狭い隙間を介して連通している２室間を移動する
流体の流量は０と見なせる位少い様になつてい
る。また、熱機関２３内の時間平均圧力と流体機
械２４内の時間平均圧力とは、図外装置で等しく
なる様に構成されている。 Furthermore, the heat engine 23 and the chamber 43 in the closed container 40
(second closed space) contains the working fluid of the heat engine, such as hydrogen or helium, and the fluid machine 24 and the chambers 42 and 4.
9 (first closed space) is filled with the working fluid of the fluid machine 24, respectively. The working fluid of the heat engine 23 is also confined within the chamber 50 and the cushion chamber 45 (third closed space) via the pressure equalizing pipe 51. Therefore, the working fluid of the heat engine 23 and the working fluid of the fluid machine 24 are connected to the first and second flexible partitions 38 and 46 that separate the first closed space and the second and third closed spaces. They are separated so that they cannot mix with each other. Further, the cushion chamber 45 and the chamber 50 of the partition chamber 44, the chamber 31 of the fluid machine 24 and the chamber 49 of the partition chamber 44, and the chamber 32 of the fluid machine 24 and the chamber 42 of the partition chamber 37 are connected to the closed container 40 and the transmission shaft 25. The chambers 31 and 32 of the fluid machine 24 communicate with each other through a narrow gap between the chambers 31 and 32 of the fluid machine 24.
The closed container 40 and the piston 26 are in communication with each other through a narrow gap between the container 40 and the piston 26. Fluid can freely enter and exit the two chambers that communicate through these narrow gaps, so if there is a pressure difference between the two chambers, the fluid will flow from the high pressure chamber to the low pressure chamber. The flow continues until the differential pressure disappears, but this narrow gap has a large flow resistance, so there is no difference in the time-averaged pressure between the two chambers, and the pressure in each chamber fluctuates at a high frequency, causing an instantaneous differential pressure. In such a case, the flow rate of the fluid moving between the two chambers communicating through this narrow gap is so small that it can be considered zero. Further, the time average pressure within the heat engine 23 and the time average pressure within the fluid machine 24 are configured to be equal by a device not shown.

次に作用を説明すると、熱機関２３が及ぼす力
によつて伝動軸２５は軸方向に往復運動し、それ
によつて伝動軸２５に取付けられたピストン２６
も往復運動する。すると、室３１と室３２の体積
は、このピストン２６の往復運動に伴なつて増減
する。例えばピストン２６が第２図に示す位置か
ら上方に移動して室３１内の体積が減少すると、
室３１内の流体機械の作動流体は圧縮されて室３
１内の圧力は増加する。そして、室３１内の圧力
が吐出室３５の圧力より高くなると吐出弁３３が
開いて室３１内の流体は吐出弁３３、吐出室３５
を通つて吐出通路３６の方へ送出されて行く。次
に伝動軸２５が最高点まで行つて下がり始める
と、室３１内の圧力は下がり始め、室３１内の圧
力が吐出室３５内の圧力より低くなると、吐出弁
３３が閉じ、吐出室３５から室３１への流体の流
入が阻止される。さらに伝動軸２５が下がつて室
３１内の圧力が吸入室２８内の圧力より下がる
と、吸入弁２９が開き、吸入通路２７、吸入室２
８、吸入弁２９を通つて流体が室３１へ流入す
る。次に伝動軸２５が最低点へ行つて上がり始め
ると、室３１内の圧力は上がり始め、室３１内の
圧力が吸入室２８内の圧力より高くなると、吸入
弁２９が閉じて室３１から吸入室２８への流出が
阻止される。さらに伝動軸２５が上がつて室３１
内の圧力が吐出室３５内の圧力より高くなると吐
出弁３３が開き、以上の過程を伝動軸２５の往復
運動に伴なつて繰り返し、その結果として吸入通
路２７を通じて流体機械２４の作動流体を吸入加
圧して吐出通路３６を通じて送り出す。また室３
２についても室３１を同様に伝動軸２５の往復運
動に伴なつて吸入室２８の流体を吸入弁３０を通
じて室３２内に流入させ、室３２内の流体を加圧
して吐出弁３４、吐出室３５、吐出通路３６を通
じて送り出す。従つて伝動軸２５の往復運動によ
つて流体機械２４の作動流体が吸入通路２７を通
じて吸入され、加圧され、吐出通路３６を通じて
吐出される。この様にして、熱機関２３は伝動軸
２５及び流体機械２４を介して流体機械２４の作
動流体に仕事をする。 Next, the operation will be explained. The force exerted by the heat engine 23 causes the transmission shaft 25 to reciprocate in the axial direction, thereby causing the piston 25 attached to the transmission shaft 25 to move back and forth in the axial direction.
It also moves back and forth. Then, the volumes of the chambers 31 and 32 increase or decrease as the piston 26 reciprocates. For example, when the piston 26 moves upward from the position shown in FIG. 2 and the volume within the chamber 31 decreases,
The working fluid of the fluid machine in the chamber 31 is compressed and transferred to the chamber 3.
The pressure within 1 increases. When the pressure in the chamber 31 becomes higher than the pressure in the discharge chamber 35, the discharge valve 33 opens and the fluid in the chamber 31 is discharged from the discharge valve 33 and the discharge chamber 35.
It is sent out towards the discharge passage 36 through the. Next, when the transmission shaft 25 reaches the highest point and starts to fall, the pressure inside the chamber 31 starts to drop, and when the pressure inside the chamber 31 becomes lower than the pressure inside the discharge chamber 35, the discharge valve 33 closes and the Fluid entry into chamber 31 is prevented. When the transmission shaft 25 is further lowered and the pressure in the chamber 31 becomes lower than the pressure in the suction chamber 28, the suction valve 29 opens, and the suction passage 27 and the suction chamber 2
8. Fluid flows into chamber 31 through suction valve 29. Next, when the transmission shaft 25 reaches its lowest point and begins to rise, the pressure in the chamber 31 begins to rise, and when the pressure in the chamber 31 becomes higher than the pressure in the suction chamber 28, the suction valve 29 closes and suction is drawn from the chamber 31. Outflow into chamber 28 is prevented. Furthermore, the transmission shaft 25 rises and the chamber 31
When the pressure inside becomes higher than the pressure inside the discharge chamber 35, the discharge valve 33 opens, and the above process is repeated as the transmission shaft 25 reciprocates, and as a result, the working fluid of the fluid machine 24 is sucked through the suction passage 27. It is pressurized and sent out through the discharge passage 36. Also room 3
2, the fluid in the suction chamber 28 flows into the chamber 32 through the suction valve 30 as the transmission shaft 25 reciprocates, and the fluid in the chamber 32 is pressurized to open the discharge valve 34 and the discharge chamber. 35, and send it out through the discharge passage 36. Therefore, due to the reciprocating motion of the transmission shaft 25, the working fluid of the fluid machine 24 is sucked through the suction passage 27, pressurized, and discharged through the discharge passage 36. In this way, the heat engine 23 performs work on the working fluid of the fluid machine 24 via the transmission shaft 25 and the fluid machine 24.

一方、以上の動作中、熱機関２３の作動流体と
流体機械２４の作動流体とは、仕切室３７及び４
４内に設けられた第１の可撓性隔板３８及び第２
の可撓性隔板４６で隔てられている。しかも上述
の如く、第２図の様に伝動軸２５が往復運動の振
巾の中心位置にあるとき、室４２，４３，４９，
５０の内圧がほゞ等しく、又伝動軸２５が往復運
動しても室４３と５０の体積の和及び室４２と４
９の体積の和がほとんど変化せずかつ室４３と５
０及び室４２と４９がそれぞれ流通抵抗の小さい
均圧管５１及び５２で連通されているため、伝動
軸２５が往復運動しても第１及び第２の可撓性隔
板３８，４６には大きな応力は働かず、これによ
つて可撓性隔板の信頼性が向上する。 On the other hand, during the above operation, the working fluid of the heat engine 23 and the working fluid of the fluid machine 24 are
A first flexible diaphragm 38 and a second flexible diaphragm provided within 4
They are separated by a flexible partition plate 46. Moreover, as mentioned above, when the transmission shaft 25 is at the center position of the amplitude of the reciprocating motion as shown in FIG.
Even if the internal pressures of chambers 50 are approximately equal and the transmission shaft 25 reciprocates, the sum of the volumes of chambers 43 and 50 and the volumes of chambers 42 and 4
The sum of the volumes of chambers 43 and 5 remains almost unchanged.
0 and chambers 42 and 49 are communicated with each other through pressure equalizing pipes 51 and 52 with low flow resistance, so even if the transmission shaft 25 reciprocates, there is no significant impact on the first and second flexible partitions 38 and 46. No stress is exerted, which improves the reliability of the flexible diaphragm.

本発明の熱機関で駆動する流体機械によると、
以上の説明から明らかな様に、熱機関と流体機械
を連結する伝動軸が往復運動しても、熱機関の作
動流体と流体機械の作動流体とを隔てる第１及び
第２の可撓性隔板に大きな応力が生じないので、
これら可撓性隔板の信頼性が従来に比べて向上
し、そのため全体装置である熱機関で駆動される
流体機械の信頼性が向上する。 According to the fluid machine driven by the heat engine of the present invention,
As is clear from the above description, even if the transmission shaft connecting the heat engine and the fluid machine reciprocates, the first and second flexible partitions separating the working fluid of the heat engine and the working fluid of the fluid machine Since there is no large stress on the plate,
The reliability of these flexible diaphragms is improved compared to the conventional one, and therefore the reliability of the entire device, a fluid machine driven by a heat engine, is improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例の概略構成図、第２図は本発明
の一実施例の概略構成図である。 ２３は熱機関、２４は流体機械、２５は伝動
軸、２６はピストン、３７，４４は仕切室、３８
は第１の可撓性隔板、４０は密閉容器、４２，４
３，４９，５０は室、４６は第２の可撓性隔板、
５１，５２は均圧管。 FIG. 1 is a schematic diagram of a conventional example, and FIG. 2 is a schematic diagram of an embodiment of the present invention. 23 is a heat engine, 24 is a fluid machine, 25 is a transmission shaft, 26 is a piston, 37, 44 is a partition chamber, 38
is a first flexible partition, 40 is a closed container, 42, 4
3, 49, 50 are chambers, 46 is a second flexible diaphragm,
51 and 52 are pressure equalizing pipes.

Claims (1)

【特許請求の範囲】[Claims] １ 密閉容器内を、その内壁に封止された第１お
よび第２の可撓性隔板によつて、これら可撓性隔
板間の第１の閉空間とその両側の第２と第３の閉
空間とに区画し、前記第１の閉空間内に流体機械
に配設し、前記第２の閉空間内に熱機関を配設
し、前記熱機関と流体機械を連結する伝動軸を前
記第１及び第２の可撓性隔板を貫通させて設ける
と共にその貫通部を封止し、かつ第２の閉空間と
第３の閉空間を連通させた熱機関で駆動する流体
機械。1. The inside of the sealed container is separated by first and second flexible partitions sealed on the inner wall thereof into a first closed space between these flexible partitions and a second and third space on both sides thereof. a closed space, a fluid machine is arranged in the first closed space, a heat engine is arranged in the second closed space, and a transmission shaft connecting the heat engine and the fluid machine is arranged. A fluid machine driven by a heat engine, which is provided with the first and second flexible partitions penetrating therethrough, the penetrating portion thereof is sealed, and a second closed space and a third closed space are communicated with each other.