JPS6365160A - Piston driving mechanism for stirling engine - Google Patents

Piston driving mechanism for stirling engine

Info

Publication number
JPS6365160A
JPS6365160A JP21088886A JP21088886A JPS6365160A JP S6365160 A JPS6365160 A JP S6365160A JP 21088886 A JP21088886 A JP 21088886A JP 21088886 A JP21088886 A JP 21088886A JP S6365160 A JPS6365160 A JP S6365160A
Authority
JP
Japan
Prior art keywords
piston
crankshaft
compression
compression piston
stirling engine
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.)
Pending
Application number
JP21088886A
Other languages
Japanese (ja)
Inventor
Tatsuo Inoue
龍夫 井上
Tetsuya Goto
哲哉 後藤
Yoshihiro Ishizaki
嘉宏 石崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ECTI KK
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
ECTI KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aisin Seiki Co Ltd, ECTI KK filed Critical Aisin Seiki Co Ltd
Priority to JP21088886A priority Critical patent/JPS6365160A/en
Publication of JPS6365160A publication Critical patent/JPS6365160A/en
Pending legal-status Critical Current

Links

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
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/053—Component parts or details
    • 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
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • 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
    • F02G2244/00—Machines having two pistons
    • F02G2244/02—Single-acting two piston engines
    • F02G2244/04—Single-acting two piston engines of rotary cylinder type, e.g. "Finkelstein" engines
    • 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
    • F02G2244/00—Machines having two pistons
    • F02G2244/02—Single-acting two piston engines
    • F02G2244/06—Single-acting two piston engines of stationary cylinder type
    • F02G2244/10—Single-acting two piston engines of stationary cylinder type having cylinders in V-arrangement
    • 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
    • F02G2270/00—Constructional features
    • F02G2270/85—Crankshafts
    • 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
    • F02G2275/00—Controls
    • F02G2275/10—Controls for vibration reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

PURPOSE:To reduce a vibration, by setting up each connecting part of connecting rods to one crankshaft driving two compression pistons symmetrically in front and in the rear, in case of a Stirling engine consisting of one expansion piston and two compression pistons. CONSTITUTION:One expansion piston 20 is erected in the center, and two compression pistons 11a and 11b are symmetrically set up right and left. Each cylinder is connected together by a heat exchanger 21, a heat accumulator 22 and a radiator 26, constituting a Stirling cycle. Each piston is driven by a one crankshaft 14, and at a crankpin 15a, the expansion piston 20 and one compression piston 11b are connected together with connecting rods 18 and 13b. In front and in the rear of this crankpin 15a of the crankshaft 14, there are provided with crankpins 15b and 15c as shifted as far as 180 deg. in phase, two connecting rods 13a and 13c driving one compression piston 11a are connected to these two crankpins.

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のクランクシャフトによるピ
ストン駆動機構に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a piston drive mechanism using a crankshaft of a Stirling engine.

（従来の技術） 従来のスターリング機関は特開昭６０−６９２５２号公
報に示されるものが知られている。このスターリング機
関の駆動機構は、第５図及び第６図に示されるように第
１圧縮ピストンｌａと第２圧縮ピストン１ｂからの第１
連結棒３ａと第２連結棒３ｂは、クランクシャフト４に
第１クランクピン５ａと第２クランクピン５ｂにて異な
る位置に夫々、固定されている。(Prior Art) As a conventional Stirling engine, one disclosed in Japanese Patent Application Laid-Open No. 60-69252 is known. As shown in FIGS. 5 and 6, the drive mechanism of this Stirling engine consists of a first compression piston la and a second compression piston 1b.
The connecting rod 3a and the second connecting rod 3b are fixed to the crankshaft 4 at different positions by a first crank pin 5a and a second crank pin 5b, respectively.

（発明が解決しようとする問題点） 上記した構成によると、第６図に示されるようにクラン
クシャフト４の位相によって異なる方向へ第１圧縮ピス
トン１ａと第２圧縮ピストン１ｂからの力Ｆが夫々働き
、クランクシャフト４をクランクシャフト４の回転軸か
ら傾けようとする効果、すなわちクランクシャフト４に
垂直な軸のまわりの偶力のモーメンｌ−Ｆ　＊　Ｌ／２
が発生することになる。また第１．第２圧縮ピストン１
ａ、１ｂのクランクシャフト４への連結位置によっては
クランクシャフト４を軸方向へ動かす力が発生する。こ
れらの力はクランクシャフト４を支えている両側のベア
リング６ａ、６ｂを揺さぶる力（揺動）となって働き、
ベアリング６ａ、６ｂとそのハウジングなどの間に隙間
があると音や振動の発生源となる恐れがあった。(Problems to be Solved by the Invention) According to the above configuration, as shown in FIG. 6, the forces F from the first compression piston 1a and the second compression piston 1b are applied in different directions depending on the phase of the crankshaft 4. The effect which tends to tilt the crankshaft 4 away from the axis of rotation of the crankshaft 4, i.e. the moment of the couple about the axis perpendicular to the crankshaft 4 l-F*L/2
will occur. Also number 1. Second compression piston 1
Depending on the connection positions of a and 1b to the crankshaft 4, a force that moves the crankshaft 4 in the axial direction is generated. These forces act as a force (swinging) that shakes the bearings 6a, 6b on both sides that support the crankshaft 4,
If there is a gap between the bearings 6a, 6b and their housings, there is a risk of becoming a source of noise and vibration.

故に本発明は、クランクシャフト４に発生する偶力のモ
ーメントによる音や振動をなくすことを技術的課題とす
るものである。Therefore, the technical object of the present invention is to eliminate the noise and vibration caused by the moment of the couple generated in the crankshaft 4.

〔発明の構成〕[Structure of the invention]

（問題点を解決するための手段） 上記技術的課題を解決するために本発明において講じた
手段は、共通のクランクシャフトによって往復動される
膨張ピストンと、互いに同位相で往復動される第１圧縮
ピストンと第２圧縮ピストンを有するスターリング機関
において、一方端は第１圧縮ピストンと連結し、他端は
二叉状となり第１クランクピンと第２クランクピンにて
前記クランクシャフトに連結される第１連結棒と、一方
端は第２圧縮ピストンと連結し、他端は前記第１クラン
クピンと前記第２クランクピンの中間に第３クランクピ
ンにて前記クランクシャフトに連結される第２連結棒と
からスターリング機関の駆動機構を構成したことである
。(Means for Solving the Problems) The means taken in the present invention to solve the above-mentioned technical problems are as follows: an expansion piston that is reciprocated by a common crankshaft; In a Stirling engine having a compression piston and a second compression piston, one end is connected to the first compression piston, the other end is forked and connected to the crankshaft by a first crank pin and a second crank pin. a connecting rod; and a second connecting rod having one end connected to the second compression piston and the other end connected to the crankshaft at a third crank pin intermediate the first crank pin and the second crank pin. It constituted the drive mechanism of the Stirling engine.

（作用） 上記技術的手段は次のように作用する。すなわち、第３
図において、圧縮ピストンｌｌｂからの力Ｆは連結棒１
３ｂ、１３Ｃを介してクランクピン１５ｂ、１５ｃに夫
々Ｆ／２で均等にかかる。(Operation) The above technical means operates as follows. That is, the third
In the figure, the force F from the compression piston llb is applied to the connecting rod 1
3b and 13C, the crank pins 15b and 15c are equally applied at F/2, respectively.

これにより実質的作用点は、クランクピン１５ｂ。As a result, the actual point of action is the crank pin 15b.

１５Ｃの中間となるためクランクピン１５ａと同位置と
なる。故に、クランクシャフト４には偶力のモーメント
が発生しないため音や振動がなくなる。Since it is in the middle of 15C, it is at the same position as the crank pin 15a. Therefore, since no coupled moment is generated in the crankshaft 4, there is no noise or vibration.

（実施例） 以下、本発明における一実施例を添付図面に基づいて説
明する。(Example) Hereinafter, one example of the present invention will be described based on the accompanying drawings.

第１図においてスターリング機関ｌＯ内の膨張シリンダ
２３には膨張ピストン２０が往復動可能に装架されてい
る。この膨張ピストン２０には膨張ピストン２０の動き
を規制するガイドピストン１９が設けられている。更に
膨張ピストン２０からはガイドピストン１９を介して延
在する連結棒１８が設けである。この連結棒１８は、ク
ランクピン１５ｄにてクランクシャフト１４に連結され
ている。第２圧縮シリンダ２４には第２圧縮ピストンｌ
ｌｂが往復動可能に装架されている。この第２圧縮ピス
ンｌｌｂには第２圧縮ピストン１１ｂの動きを規制する
第２ガイドピストン１２ｂが設けられている。更に第２
圧縮ピストンｔｔｂからはガイドピストン１２ｂを介し
て延在する連結棒１３ｂが設けである。In FIG. 1, an expansion piston 20 is mounted on an expansion cylinder 23 in a Stirling engine 10 so as to be able to reciprocate. This expansion piston 20 is provided with a guide piston 19 that restricts the movement of the expansion piston 20. Furthermore, a connecting rod 18 is provided which extends from the expansion piston 20 via a guide piston 19 . This connecting rod 18 is connected to the crankshaft 14 by a crank pin 15d. The second compression cylinder 24 has a second compression piston l.
lb is mounted so that it can reciprocate. This second compression piston llb is provided with a second guide piston 12b that restricts the movement of the second compression piston 11b. Furthermore, the second
A connecting rod 13b is provided which extends from the compression piston ttb via a guide piston 12b.

第１圧縮シリンダ２５には第１圧縮ピストン１１ａが往
復動可能に装架されている。この第２圧縮ピストンｌｌ
ｂと同一中心線上にある第１圧縮ピストン１１ａには第
１圧縮ピストンｌｌａの動きを規制する第１ガイドピス
トン１２ａが設けられている。更に第１圧縮ピストンｌ
ｌａから第１ガイドピストン１２ａを介して延在する連
結棒１３ａが設けである。A first compression piston 11a is mounted on the first compression cylinder 25 so as to be able to reciprocate. This second compression piston
The first compression piston 11a located on the same center line as the first compression piston lla is provided with a first guide piston 12a that restricts the movement of the first compression piston lla. Furthermore, the first compression piston l
A connecting rod 13a extending from la through the first guide piston 12a is provided.

膨張シリンダ２３と第１．第２圧縮シリンダ２４．２５
との間には周知の通り、熱交換器２１と蓄熱器２２と放
熱器２６が設けられている。第２図及び第３図において
第２圧縮ピストンＬｌｂから第２ガイドピストン１２ｂ
を介して延在する第２連結棒１３ｂは二叉状になってい
る。この第２連結棒１３ｂは、スターリング機関１０の
略中央に位置しハウジング１７に設けられたベアリング
１４ａ、１４ｂで支えられているクランクシャフト１４
にクランクピン１５ｂ、１５Ｃにて取付けられている。The expansion cylinder 23 and the first. Second compression cylinder 24.25
As is well known, a heat exchanger 21, a heat storage device 22, and a radiator 26 are provided between the two. In FIGS. 2 and 3, from the second compression piston Llb to the second guide piston 12b.
The second connecting rod 13b extending through the second connecting rod 13b is bifurcated. This second connecting rod 13b is connected to a crankshaft 14 which is located approximately in the center of the Stirling engine 10 and is supported by bearings 14a and 14b provided in the housing 17.
It is attached to the crank pins 15b and 15C by crank pins 15b and 15C.

更に、第１圧縮ピストンｌｌａから第１ガイドピン１２
ａを介して延在する第１連結棒１３ａは第２圧縮ピスト
ンｌｌｂを取付けるクランクピン１５ｂ、１５Ｇの中間
つまり、第２圧縮ピストンの同一中心線上にクランクピ
ン１５ａにてクランクシャフト１４に取付けられる。Furthermore, the first guide pin 12 is connected from the first compression piston lla.
The first connecting rod 13a extending through a is attached to the crankshaft 14 at the crank pin 15a intermediate between the crank pins 15b and 15G to which the second compression piston llb is attached, that is, on the same center line of the second compression piston.

次に作動方法について説明する。第２図及び第３図にお
いて、原動機（図示しない）によってクランクシャフト
１４が回転する。そしてクランクシャフト１４の位相に
より、第１圧縮ピストン１１ａと第２圧縮ピストンｌｌ
ｂと膨張ピストン２０は第１．第２圧縮シリンダ２５．
２４と膨張シリンダ２３内で往復運動をする。Next, the operating method will be explained. In FIGS. 2 and 3, a crankshaft 14 is rotated by a prime mover (not shown). Then, depending on the phase of the crankshaft 14, the first compression piston 11a and the second compression piston ll
b and the expansion piston 20 are the first. Second compression cylinder 25.
24 and reciprocate within the expansion cylinder 23.

尚、第４図に示されるように、上記した構成のスターリ
ング機関１０を２つ組み合わせて利用することもできる
。Incidentally, as shown in FIG. 4, it is also possible to use a combination of two Stirling engines 10 having the above configuration.

〔発明の効果〕〔Effect of the invention〕

本発明は共通のクランクシャフトによって往復動される
膨張ピストンと、同位相で往復動される第１圧縮ピスト
ンと第２圧縮ピストンとを有するスターリング機関にお
いて、一方端は第１圧縮ピストンと連結し他端は二叉状
となり第１クランクピンと第２クランクピンにて前記ク
ランクシャフトに連結される第１連結棒と、一方端は第
２圧縮ピストンと連結し、他端は前記第１クランクピン
と前記第２クランクピンの中間に第３クランクピンにて
前記クランクシャフトに連結される第２連結棒とを有し
てスターリング機関のピストン駆動機構を構成したので
クランクシャフトに偶力のモーメントは発生しなくなり
、音や振動がなくなる。The present invention relates to a Stirling engine having an expansion piston that is reciprocated by a common crankshaft, and a first compression piston and a second compression piston that are reciprocated in the same phase, one end of which is connected to the first compression piston, and the other end of which is connected to the first compression piston. A first connecting rod has a bifurcated end and is connected to the crankshaft by a first crank pin and a second crank pin, one end is connected to a second compression piston, and the other end is connected to the first crank pin and the first crank pin. Since the piston drive mechanism of the Stirling engine is configured by having a second connecting rod connected to the crankshaft by a third crank pin between the two crank pins, no coupled moment is generated on the crankshaft. No sound or vibration.

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

第１図は本発明に係るスターリング機関を示す図、第２
図は第１図のＡ−Ａ線断面図、第３図は本発明のスター
リング機関の略図、第４図は変形実施例であるスターリ
ング機関の断面図、第５図は従来のスターリング機関の
断面図、第６図は従来のスターリング機関の略図である
。 ｌＯ・・・スターリング機関、ｌｌａ、ｌｌｂ・・・圧
縮ピストン、１２ａ、１２ｂ、１９・・・ガイドピスト
ン、１３ａ、１３ｂ、１８・・・連結棒、１４・・・ク
ランクシャフト、１５ａ。 １５ｂ、１５ｃ、１５ｄ・・・クランクピン、１５ａ、
１６ｂ・・・ベアリング、１７・・・ハウジング、２０
・・・膨張ピストン、２１・・・熱交換器、２２・・・
蓄熱器、２３・・・膨張シリンダ、２４．２５・・・圧
縮シリンダ、２６・・・放熱器Fig. 1 is a diagram showing a Stirling engine according to the present invention, Fig. 2 is a diagram showing a Stirling engine according to the present invention;
The figures are a sectional view taken along the line A-A in Fig. 1, Fig. 3 is a schematic diagram of the Stirling engine of the present invention, Fig. 4 is a sectional view of a Stirling engine that is a modified embodiment, and Fig. 5 is a sectional view of a conventional Stirling engine. 6 is a schematic diagram of a conventional Stirling engine. lO... Stirling engine, lla, llb... compression piston, 12a, 12b, 19... guide piston, 13a, 13b, 18... connecting rod, 14... crankshaft, 15a. 15b, 15c, 15d... crank pin, 15a,
16b...Bearing, 17...Housing, 20
...Expansion piston, 21...Heat exchanger, 22...
Heat storage device, 23... Expansion cylinder, 24.25... Compression cylinder, 26... Heat radiator

Claims (1)

【特許請求の範囲】[Claims] 共通のクランクシャフトによつて往復動される膨張ピス
トンと、同位相で往復動される第１圧縮ピストンと第２
圧縮ピストンを有するスターリング機関において、一方
端は第１圧縮ピストンと連結し他端は２又状となり第１
クランクピンと第２クランクピンにて前記クランクシャ
フトに連結される第１連結棒と、一方端は第２圧縮ピス
トンと連結し、他端は、前記第１クランクピンと前記第
２クランクピンの中間に第３クランクピンにて前記クラ
ンクシャフトに連結される第２連結棒とを有するスター
リング機関のピストン駆動機構。An expansion piston reciprocated by a common crankshaft, a first compression piston and a second compression piston reciprocated in the same phase.
In a Stirling engine having a compression piston, one end is connected to the first compression piston, and the other end is bifurcated and the first
A first connecting rod is connected to the crankshaft by a crank pin and a second crank pin, one end is connected to a second compression piston, and the other end is connected to a second compression piston between the first crank pin and the second crank pin. and a second connecting rod connected to the crankshaft by a crank pin.
JP21088886A 1986-09-08 1986-09-08 Piston driving mechanism for stirling engine Pending JPS6365160A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21088886A JPS6365160A (en) 1986-09-08 1986-09-08 Piston driving mechanism for stirling engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21088886A JPS6365160A (en) 1986-09-08 1986-09-08 Piston driving mechanism for stirling engine

Publications (1)

Publication Number Publication Date
JPS6365160A true JPS6365160A (en) 1988-03-23

Family

ID=16596752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21088886A Pending JPS6365160A (en) 1986-09-08 1986-09-08 Piston driving mechanism for stirling engine

Country Status (1)

Country Link
JP (1) JPS6365160A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064630A (en) * 1997-06-06 2000-05-16 Litton Systems, Inc. Sensor with an optical interferometric pick-off
WO2014196451A1 (en) * 2013-06-03 2014-12-11 いすゞ自動車株式会社 Stirling engine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036730A (en) * 1983-08-08 1985-02-25 Kosaku Yamamoto Vibration damping mechanism for reciprocating internal- combustion engine
JPS61226546A (en) * 1985-03-29 1986-10-08 Aisin Seiki Co Ltd Driving device for stirling engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036730A (en) * 1983-08-08 1985-02-25 Kosaku Yamamoto Vibration damping mechanism for reciprocating internal- combustion engine
JPS61226546A (en) * 1985-03-29 1986-10-08 Aisin Seiki Co Ltd Driving device for stirling engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064630A (en) * 1997-06-06 2000-05-16 Litton Systems, Inc. Sensor with an optical interferometric pick-off
WO2014196451A1 (en) * 2013-06-03 2014-12-11 いすゞ自動車株式会社 Stirling engine
JP2014234772A (en) * 2013-06-03 2014-12-15 いすゞ自動車株式会社 Free piston stirling engine

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