JPS6385242A - Stirling engine - Google Patents
Stirling engineInfo
- Publication number
- JPS6385242A JPS6385242A JP22855986A JP22855986A JPS6385242A JP S6385242 A JPS6385242 A JP S6385242A JP 22855986 A JP22855986 A JP 22855986A JP 22855986 A JP22855986 A JP 22855986A JP S6385242 A JPS6385242 A JP S6385242A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- compression space
- chamber
- space
- 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 abstract description 46
- 238000007906 compression Methods 0.000 claims abstract description 46
- 238000005338 heat storage Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 abstract 4
- 230000006866 deterioration Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2243/00—Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by volume changes
Landscapes
- Compressor (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、スターリング機関に関するものであり、更に
詳しくは、スターリング機関のロッドのシールに関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a Stirling engine, and more particularly to a seal for a rod of a Stirling engine.
（従来の技術）
従来のスターリング機関、例えば特開昭５８−１０４３
４７号公報に開示されたユニットを複数備えたスターリ
ング機関は、第２図に示すように、シリンダＡ内には１
、外周部にピストンリングＢが嵌装されたピストンＣが
装架されており、ピストンＣとシリンダＡの上側との間
には膨脹空間りが画成されると共に、ピストンＣとシリ
ンダへの下側との闇には圧縮空間Ｅが画成されている。(Prior art) Conventional Stirling engine, for example, Japanese Patent Application Laid-Open No. 58-1043
The Stirling engine equipped with a plurality of units disclosed in Publication No. 47 has one unit in cylinder A, as shown in Figure 2.
, a piston C having a piston ring B fitted on its outer circumference is mounted, and an expansion space is defined between the piston C and the upper side of the cylinder A, and an expansion space is defined between the piston C and the upper side of the cylinder A. A compressed space E is defined in the darkness between the two sides.
ごのピストンＣと駆動部Ｆとの間にはロッドＧが介設さ
れており、駆動部Ｆの駆動時、ロッドＧは、ピストンＣ
と共に往復上下動する。圧縮空間Ｅの下側には、ロッド
Ｇの外周と摺接するガスシールド■、ならびに油溜Ｉお
よびフィルターＪを介して最低圧ラインにと連通ずる中
間室りが配設される。A rod G is interposed between the piston C and the drive section F, and when the drive section F is driven, the rod G is connected to the piston C.
It moves up and down reciprocatingly. On the lower side of the compression space E, a gas shield (2) that is in sliding contact with the outer periphery of the rod (G), and an intermediate chamber that communicates with the lowest pressure line via an oil sump (I) and a filter (J) are provided.
（発明が解決しようとする問題点）
ところが、ガスシールＨが不完全な場合、中間室りの圧
力が上昇し、油が中間室りから圧縮室間Ｅへ侵入し、圧
縮空間Ｅと隣接するユニットの膨脹空間Ｄ゛との間に介
設された熱交換器Ｍ−Ｎ・０の内部を汚濁して、スター
リング機関の出力効率を劣化させるという、不具合があ
る。(Problem to be solved by the invention) However, if the gas seal H is incomplete, the pressure in the intermediate chamber increases, and oil enters the compression chamber space E from the intermediate chamber and becomes adjacent to the compression space E. There is a problem in that the inside of the heat exchanger M-N.0 interposed between the unit's expansion space D' becomes polluted and the output efficiency of the Stirling engine deteriorates.
それ故に、本発明は、板金、ガスシールが不完全であっ
ても、スターリング機関の出力効率に影響を与えないよ
うにすることを、技術的課題とする。Therefore, the technical problem of the present invention is to prevent the output efficiency of a Stirling engine from being affected even if the sheet metal or gas seal is incomplete.
（問題点を解決するための手段）
上記した技術的課題を解決するために、本発明において
講じた技術的手段は、シリンダ、外周部にピストンリン
グが嵌装され前記シリンダ内に装架されたピストン、前
記ピストンと前記シリンダの上側との間に画成された膨
脹空間、前記ピストンと前記シリンダの下側との間に画
成された圧縮空間、前記ピストンの下側と駆動部との間
に介設され前記駆動部の駆動時前記ピストンと共に往復
上下動するロッド、前記圧縮空間の下側にて前記ロッド
の外周と摺接する第１ガスシール、前記第１ガスシール
の下側に形成された調整室、前記調整室の下側に配設さ
れ前記ロッドの外周と摺接する第２ガスシールおよび前
記第２ガスシールの下側に配設され且つ最低圧ラインと
連通ずる中間室を備えた複数のユニットを備え、隣合う
前記各ユニットの膨脹空間と圧縮空間との間に順次介設
されたヒータ、蓄熱器および冷却器、前記各調整室を連
通ずる配管、ならびに、前記各圧縮空間と前記配管とを
連通ずる細管からスターリング機関を構成したことであ
る。(Means for Solving the Problems) In order to solve the above-mentioned technical problems, the technical measures taken in the present invention are: a cylinder, a piston ring fitted on the outer periphery and mounted in the cylinder; a piston, an expansion space defined between the piston and the upper side of the cylinder, a compression space defined between the piston and the lower side of the cylinder, and between the lower side of the piston and the drive section. a rod that is interposed in the drive unit and moves up and down reciprocally with the piston when the drive section is driven; a first gas seal that slides into contact with the outer periphery of the rod below the compression space; and a first gas seal formed below the first gas seal. an adjustment chamber, a second gas seal disposed below the adjustment chamber and in sliding contact with the outer periphery of the rod, and an intermediate chamber disposed below the second gas seal and communicating with the lowest pressure line. A heater, a heat storage device, and a cooler, which are provided with a plurality of units and are successively interposed between the expansion space and the compression space of each of the adjacent units, piping that connects each of the adjustment chambers, and each of the compression spaces. The Stirling engine is constructed from thin tubes that communicate with the piping.
（作用） 上記した技術的手段は、次のように作用する。(effect) The technical means described above works as follows.
調整室は細管を介して圧縮空間と連通しているので、調
整室内の圧力は、圧縮空間内の圧力波形の平均値付近と
なり、圧縮空間内の圧力波形の最低値となる中間室内の
圧力よりも、常に大きい。従って、第２ガスシールが不
完全であっても、油は中間室から圧縮空間に侵入するこ
とは決してなく、従来のような不具合は惹起されない。Since the adjustment chamber communicates with the compression space through a thin tube, the pressure in the adjustment chamber is around the average value of the pressure waveform in the compression space, and is lower than the pressure in the intermediate chamber, which is the lowest value of the pressure waveform in the compression space. Also, it's always big. Therefore, even if the second gas seal is incomplete, oil will never enter the compression space from the intermediate chamber, and the conventional problems will not occur.
（実施例）
以下、本発明の一実施例を第１図にもとすき、説明する
。(Example) Hereinafter, an example of the present invention will be described with reference to FIG.
スターリング機関１０は４気筒形式のもので、ユニット
ＩＩＡおよびユニットＩＩＢの他に、図示しないユニッ
トを２個備える。これら４個のユニットは、全て同一の
定格を有している。ユニットｌＩＡのシリンダ１２Ａ内
には、外周部にピストンリング１３Ａが嵌装されたピス
トン１４Ａが装架されており、ピストン１４Ａとシリン
ダ１２Ａの上側との間には膨脹空間１５Ａが画成される
。The Stirling engine 10 is of a four-cylinder type and includes two units (not shown) in addition to unit IIA and unit IIB. These four units all have the same rating. A piston 14A having a piston ring 13A fitted to its outer periphery is mounted within the cylinder 12A of the unit IIA, and an expansion space 15A is defined between the piston 14A and the upper side of the cylinder 12A.
また、ピストン１４Ａとシリンダ１２Ａの下側との間に
は圧縮空間１６Ａが画成されている。このピストン１４
Ａと駆動部１７ （具体的には斜板もしくはクランク機
構）との間にはロッド１８Ａが介設されており、駆動部
１７の駆動時、ロッド１８Ａは、ピストン１４Ａと共に
往復上下動する。Furthermore, a compression space 16A is defined between the piston 14A and the lower side of the cylinder 12A. This piston 14
A rod 18A is interposed between A and the drive section 17 (specifically, a swash plate or a crank mechanism), and when the drive section 17 is driven, the rod 18A reciprocates up and down together with the piston 14A.
圧縮空間１６Ａの下側には、ロッド１８Ａの外周と摺接
する第１ガスシール１９Ａおよび第２ガスシール２０Ａ
が配設されており第２ガスシール２０Ａが配設されてお
り、両ガスシール１９Ａ・２０Ａとの間には８１９整室
２１Ａが形成されている。On the lower side of the compression space 16A, a first gas seal 19A and a second gas seal 20A are in sliding contact with the outer periphery of the rod 18A.
A second gas seal 20A is provided, and an 819 chamber 21A is formed between the two gas seals 19A and 20A.
しかして、第２ガスシール２０Ａの下側には中間室２２
Ａが配設されており、中間室２２Ａは、フィルター２４
を介して最低圧ライン２５と連通している。尚、２６Ａ
はオイルフレスパー、２７Ａは油封室であり、油封室２
７Ａは油溜２３Ａおよびフィルター２４を介して最低圧
ライン２５と連通している。Therefore, an intermediate chamber 22 is located below the second gas seal 20A.
A is arranged, and the intermediate chamber 22A is a filter 24
It communicates with the lowest pressure line 25 via. In addition, 26A
27A is an oil seal chamber, and oil seal chamber 2 is an oil seal chamber.
7A communicates with the lowest pressure line 25 via an oil sump 23A and a filter 24.
・ ユニットＩＩＡの膨脹空間１５ＡとユニットｌＩＢ
の圧縮空間１６Ｂとの間には順次ヒータ２８Ａ、蓄熱器
２９Ａおよび冷却器３０Ａが介設されている。また、調
整室２ＬＡ・２１Ｂ・・・・間は、配管３１にて相互に
連通しており、配管３１と各調整室２１Ａ（２１１１１
３）との間には、細管３２Ａ（３２Ｂ）介設されている
。- Expansion space 15A of unit IIA and unit IIB
A heater 28A, a heat storage device 29A, and a cooler 30A are sequentially provided between the compression space 16B and the compression space 16B. In addition, the adjustment chambers 2LA, 21B, etc. communicate with each other through piping 31, and the piping 31 and each adjustment chamber 21A (21111
3), a thin tube 32A (32B) is interposed between the two.
叙上のスターリング機関１０においては、調整室２１Ａ
（２１Ｂ）が配管３１および細管３２Ａ（３２Ｂ）を介
してユニツ）ＩＩＡの圧縮空間１６Ａ（ユニットＩＩＢ
の圧縮空間１６Ｂ）と連通しているので、調整室２１Ａ
（２１Ｂ）内の圧力は、常に、中間室２２Ａ（２２Ｂ）
内の圧力よりも高い。従って、もし、第２ガスシール２
０Ａ（２０Ｂ）のシール機能が損なわれても、中間室２
２Ａ（２２Ｂ）から油が調整室２１Ａ（２１Ｂ）内に侵
入するようなことはない。また、第１ガスシール１９Ａ
（１９Ｂ）のシール機能の低下に伴うユニットＩＩＡ
の圧縮空間１６Ａ（ユニット１１Ｂの圧縮空間１６Ｂ）
内の平均圧力がユニット１１Ｂの圧縮空間１６Ｂ（ユニ
ット１１Ａの圧縮空間１６Ａ）内の平均圧力よりも相対
的に低くなったとしても、作動ガスが、ユニット１１Ｂ
の圧縮空間１６Ｂ（ユニット１１Ａの圧縮空間１６Ａ）
から細管３２Ｂ （３２Ａ） 、配管３１および細管３
２Ａ（３２Ｂ）を介してユニットＩＩＡの圧縮空間１６
Ａ（ユニツｌ−１１Ｂの圧縮空間１６Ｂ）内に流入する
ので、ユニット１１Ａの圧縮空間１６Ａ内の平均圧力と
ユニット１１Ｂの圧縮空間１６Ｂの平均圧力とは、すぐ
に等しくなり、両圧縮空間内の圧力不均衡に伴う機関の
作動の不具合は生じない。In the Stirling engine 10 described above, the control room 21A
(21B) is connected to the compression space 16A (unit IIB) of unit IIA via piping 31 and thin tube 32A (32B).
Since it communicates with the compression space 16B), the adjustment chamber 21A
(21B) is always the pressure in the intermediate chamber 22A (22B)
higher than the internal pressure. Therefore, if the second gas seal 2
Even if the sealing function of 0A (20B) is impaired, the intermediate chamber 2
Oil will not enter the adjustment chamber 21A (21B) from 2A (22B). In addition, the first gas seal 19A
(19B) Unit IIA due to decrease in sealing function
compression space 16A (compression space 16B of unit 11B)
Even if the average pressure within the unit 11B becomes relatively lower than the average pressure within the compression space 16B of the unit 11B (the compression space 16A of the unit 11A), the working gas
compression space 16B (compression space 16A of unit 11A)
From thin tube 32B (32A), piping 31 and thin tube 3
Compression space 16 of unit IIA via 2A (32B)
A (compression space 16B of unit 1-11B), the average pressure in compression space 16A of unit 11A and the average pressure in compression space 16B of unit 11B immediately become equal, and the pressure in both compression spaces becomes equal. No malfunctions in engine operation occur due to pressure imbalance.
以上述べたように、本発明は、シリンダ、外周部にピス
トンリングが嵌装され前記シリンダ内に装架されたピス
トン、前記ピストンと前記シリンダの上側との間に画成
された膨脹空間、前記ピストンと前記シリンダの下側と
の間に画成された圧縮空間、前記ピストンの下側と駆動
部との間に介設され前記駆動部の駆動時前記ピストンと
共に往復上下動するロッド、前記圧縮空間の下側にて前
記ロッドの外周と摺接する第１ガスシール、前記第１ガ
スシールの下側に形成された調整室、前記調整室の下側
に配設され前記ロッドの外周と摺接する第２ガスシール
および前記第２ガスシールの下側に配設され且つ最低圧
ラインと連通ずる中間室を備えた複数のユニットを備え
、隣合う前記各ユニットの膨脹空間と圧縮空間との間に
順次介設されたヒータ、蓄熱器および冷却器、前記各調
整室を連通ずる配管、ならびに、前記各圧縮空間と前記
配管とを連通ずる細管からスターリング機関を構成した
ことである。As described above, the present invention provides a cylinder, a piston fitted with a piston ring on its outer periphery and mounted in the cylinder, an expansion space defined between the piston and the upper side of the cylinder, and an expansion space defined between the piston and the upper side of the cylinder. a compression space defined between a piston and a lower side of the cylinder; a rod that is interposed between the lower side of the piston and a driving section and moves up and down reciprocally with the piston when the driving section is driven; and the compression space. A first gas seal that is in sliding contact with the outer periphery of the rod at the lower side of the space, an adjustment chamber formed under the first gas seal, and an adjustment chamber that is arranged below the adjustment chamber and that is in sliding contact with the outer periphery of the rod. A plurality of units including a second gas seal and an intermediate chamber disposed below the second gas seal and communicating with the lowest pressure line, between the expansion space and compression space of each adjacent unit. The Stirling engine is constructed from a heater, a heat storage device, and a cooler that are arranged in sequence, piping that communicates with each of the adjustment chambers, and thin tubes that communicate with each of the compression spaces and the piping.
しかして、調整室は細管を介して圧縮空間と連通してい
るので、調整室内の圧力は、圧縮空間内の圧力波形の平
均値付近となり、圧縮空間内の圧力波形の最低値となる
中間室内の圧力よりも、常に大きい。従って、第２ガス
シールが不完全であっても、油は、中間室から圧縮空間
に侵入することは決してなく、油がヒータ、蓄熱器およ
び冷却器内に侵入することによってもたらされるスター
リング機関の出力効率への悪影古は全く惹起されない。Since the adjustment chamber communicates with the compression space through the thin tube, the pressure inside the adjustment chamber will be around the average value of the pressure waveform within the compression space, and the pressure within the intermediate chamber will be around the average value of the pressure waveform within the compression space. is always greater than the pressure of Therefore, even if the second gas seal is incomplete, oil will never enter the compression space from the intermediate chamber, and the Stirling engine will not be affected by oil entering the heater, regenerator and cooler. No negative impact on output efficiency is caused.
第１図は本発明に係るスターリング機関の説明図および
第２図は従来のスターリング機関の説明図である。
１１ＡＩＩＢ：ユニット、１２Ａ−１２８ニジリンダ、
１３Ａ・１３Ｂ＝ピストンリング、１４Ａ・１４Ｂ＝ピ
ストン、１５Ａ・１５Ｂ：膨脹空間、１６Ａ・１６Ｂ：
圧縮空間、１７：駆動部、１８Ａ・１８Ｂ：ロッド、１
９Ａ・１９Ｂ：第１ガスシール、２ＯＡ・２０Ｂ＝第２
ガスシール、２１Ａ・２１Ｂ＝調整室、２２Ａ・２２Ｂ
：中間室、２８Ａ：ヒータ、２９Ａ：蓄熱器、３０Ａ：
冷却器、３１：配管、２３Ａ・２３Ｂ＝細管FIG. 1 is an explanatory diagram of a Stirling engine according to the present invention, and FIG. 2 is an explanatory diagram of a conventional Stirling engine. 11AIIB: Unit, 12A-128 Nijilinda,
13A/13B=Piston ring, 14A/14B=Piston, 15A/15B: Expansion space, 16A/16B:
Compression space, 17: Drive section, 18A/18B: Rod, 1
9A/19B: 1st gas seal, 2OA/20B = 2nd
Gas seal, 21A/21B = adjustment chamber, 22A/22B
: Intermediate chamber, 28A: Heater, 29A: Heat storage, 30A:
Cooler, 31: Piping, 23A/23B = thin tube
Claims (1)
ンダ内に装架されたピストン、前記ピストンと前記シリ
ンダの上側との間に画成された膨脹空間、前記ピストン
と前記シリンダの下側との間に画成された圧縮空間、前
記ピストンの下側と駆動部との間に介設され前記駆動部
の駆動時前記ピストンと共に往復上下動するロッド、前
記圧縮空間の下側にて前記ロッドの外周と摺接する第１
ガスシール、前記第１ガスシールの下側に形成された調
整室、前記調整室の下側に配設され前記ロッドの外周と
摺接する第２ガスシールおよび前記第２ガスシールの下
側に配設され且つ最低圧ラインと連通する中間室を備え
た複数のユニットを備え、隣合う前記各ユニットの膨脹
空間と圧縮空間との間に順次介設されたヒータ、蓄熱器
および冷却器、前記各調整室を連通する配管、ならびに
、前記各圧縮空間と前記配管とを連通する細管からなる
スターリング機関。a cylinder, a piston mounted in the cylinder with a piston ring fitted on its outer periphery, an expansion space defined between the piston and the upper side of the cylinder, and between the piston and the lower side of the cylinder a compression space defined by a compression space; a rod that is interposed between the lower side of the piston and a driving section and moves up and down reciprocally with the piston when the driving section is driven; an outer periphery of the rod below the compression space; The first part that comes into sliding contact with
a gas seal, an adjustment chamber formed below the first gas seal, a second gas seal disposed below the adjustment chamber and in sliding contact with the outer periphery of the rod, and an adjustment chamber disposed below the second gas seal. a heater, a heat storage device, and a cooler, each of which is provided with a plurality of units each having an intermediate chamber installed therein and communicated with the lowest pressure line, and which is successively interposed between the expansion space and the compression space of each of the adjacent units; A Stirling engine comprising piping that communicates with the adjustment chamber, and thin tubes that communicate the compression spaces with the piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22855986A JPS6385242A (en) | 1986-09-26 | 1986-09-26 | Stirling engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22855986A JPS6385242A (en) | 1986-09-26 | 1986-09-26 | Stirling engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6385242A true JPS6385242A (en) | 1988-04-15 |
| JPH0445663B2 JPH0445663B2 (en) | 1992-07-27 |
Family
ID=16878271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22855986A Granted JPS6385242A (en) | 1986-09-26 | 1986-09-26 | Stirling engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6385242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056419A (en) * | 1989-07-21 | 1991-10-15 | Aisin Seiki Kabushiki Kaisha | Sealing device for a piston rod of a stirling engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337257A (en) * | 1976-07-06 | 1978-04-06 | Ford Motor Co | Separation of high pressure difference system for staring engine |
| JPS5769170A (en) * | 1980-10-11 | 1982-04-27 | Nissan Motor Co Ltd | Shaft seal device |
| JPS59104347A (en) * | 1982-11-03 | 1984-06-16 | ザンボン・エス・ピ−・エ− | Manufacture of arylalkanoic acid ester |
-
1986
- 1986-09-26 JP JP22855986A patent/JPS6385242A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337257A (en) * | 1976-07-06 | 1978-04-06 | Ford Motor Co | Separation of high pressure difference system for staring engine |
| JPS5769170A (en) * | 1980-10-11 | 1982-04-27 | Nissan Motor Co Ltd | Shaft seal device |
| JPS59104347A (en) * | 1982-11-03 | 1984-06-16 | ザンボン・エス・ピ−・エ− | Manufacture of arylalkanoic acid ester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056419A (en) * | 1989-07-21 | 1991-10-15 | Aisin Seiki Kabushiki Kaisha | Sealing device for a piston rod of a stirling engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445663B2 (en) | 1992-07-27 |
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Legal Events
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|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
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| LAPS | Cancellation because of no payment of annual fees |