JPS58128407A - Side cam type spool valve engine - Google Patents
Side cam type spool valve engineInfo
- Publication number
- JPS58128407A JPS58128407A JP1039182A JP1039182A JPS58128407A JP S58128407 A JPS58128407 A JP S58128407A JP 1039182 A JP1039182 A JP 1039182A JP 1039182 A JP1039182 A JP 1039182A JP S58128407 A JPS58128407 A JP S58128407A
- Authority
- JP
- Japan
- Prior art keywords
- spool valve
- side cam
- cam
- exhaust
- suction
- 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
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000567 combustion gas Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 238000002347 injection Methods 0.000 abstract description 11
- 239000007924 injection Substances 0.000 abstract description 11
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005057 finger movement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000779 thoracic wall Anatomy 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L5/00—Slide valve-gear or valve-arrangements
- F01L5/04—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はスプールバルブにより燃焼富の密封、排気及び
吸気を行うエンジンに関し、その目的は、クランク軸か
らスプールバルブへの動力伝達機構）１１１１単かつコ
ンパクト化すると共に、加工ｓ易化することを目的とし
ている。以下１面に基づいて本発明を説明する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an engine that uses a spool valve to seal combustion gas, exhaust air, and intake air.The purpose of the present invention is to make the power transmission mechanism (1111) from the crankshaft to the spool valve simple and compact, and to process it. The purpose is to make it easier. The present invention will be described below based on one aspect.
鋤１図は本発明による４量イクルデイーゼルエンジンの
縦断画略−であり、この第１図において、ｌはエンジン
本体であって、シリンダやクランクケース等からなって
怠り１本体ｌのクランク１１２にはクランク軸３が回転
自在に支承されている。Figure 1 is a longitudinal cross-sectional view of a four-stroke diesel engine according to the present invention. In Figure 1, l is the engine body, which is composed of a cylinder, a crankcase, etc. A crankshaft 3 is rotatably supported.
４はシリンダヘッド、５はピストン、６はコネクティン
グロッドであり、また７はフライホイルである。4 is a cylinder head, 5 is a piston, 6 is a connecting rod, and 7 is a flywheel.
本体１の上側にはシリンダヘッド８が固着され、本体ｌ
の反フライホイル儒には伝動ケース１０が固着されてい
る。上記シリンダヘッド８にはスプールバルブ１１が配
置され、伝動ケース１０内にはバルブ鳳動用すイ°ドカ
ム１２やタイミングベルト１−３−が配置され、伝動ケ
ース１０の＠＊には燃料唄射ポンプ１５が固着されてい
る。A cylinder head 8 is fixed to the upper side of the main body 1.
A transmission case 10 is fixed to the flywheel. A spool valve 11 is disposed in the cylinder head 8, a valve driving idle cam 12 and a timing belt 1-3- are disposed in the transmission case 10, and a fuel injection pump is disposed in the transmission case 10. 15 is fixed.
スプールバルブ１１はクランク軸３と平行な弁孔１６に
書動自在に嵌合しており、スプールバルブ１１の伝動室
１７寄り部分には濃状の気体ｉＩＡ路１８か形成されて
いる。またスプールバルブ１１には伝動１ｉ１１７内に
突出するつは付ロッド】９か形成されており、ロッド１
９のつは都とシリンダヘッド８０儒徽との間には、はね
Ｉ！、２０を介して弁はね２１か細膜され、この弁はね
２１によってスプールバルブ１１を反矢印Ｆ側へ付勢し
ている。The spool valve 11 is fitted in a valve hole 16 parallel to the crankshaft 3 so as to be freely writable, and a dense gas iIA passage 18 is formed in a portion of the spool valve 11 near the transmission chamber 17. In addition, the spool valve 11 is formed with a rod 9 that protrudes into the transmission 1i 117, and a rod 1 is formed on the spool valve 11.
There is a splash between the capital of 9 and the cylinder head of 80 Yuhui! , 20, the valve spring 21 is provided with a membrane, and this valve spring 21 urges the spool valve 11 in the direction opposite to the arrow F.
燃焼１１２２に一口する１気孔２３と排気孔２４は。One pore 23 and exhaust hole 24 are for combustion 1122.
スプールバルブ長さ方向の間隔を隔てて弁孔１６に一口
しており、ｒＩＡ示のものでは微気孔２３が伝動室１７
儒に配置されている。吸気孔２３の直上には弁孔１６に
上側から開口する吸気通路２５が形成されており、歌気
過ｔ６２５は吸気管等を介して鉤えはエアクリーナＫ１
１ｍさむる。弁孔１６の矢印１個の約半分は排気通路と
して利用されており、弁孔１６の矢印！＠−ロ端郁には
排気管が接続される。２６は燃料噴射ノズルであって、
高圧燃料９１２８を介して燃料噴射ポンプＩＳＫ＠＠さ
れている。The spool valve has holes in the valve hole 16 at intervals in the length direction, and in the one shown in rIA, the micropores 23 are in the transmission chamber 17.
It is placed in Confucian terms. An intake passage 25 that opens from above into the valve hole 16 is formed directly above the intake hole 23, and the intake passage 25 is connected to the air cleaner K1 through the intake pipe etc.
1m cold. Approximately half of each arrow of the valve hole 16 is used as an exhaust passage, and the arrow of the valve hole 16! @-An exhaust pipe is connected to the bottom end. 26 is a fuel injection nozzle,
A fuel injection pump ISK@@ is provided via high pressure fuel 9128.
サイドカム１２はクランク軸３と平行なカム軸２９Ｋｗ
Ａ＠されており、カム軸２９は伝動ケース１０及び本体
１の上端部側Ｉ１１に軸受を介して１転ａｍに支承され
ている。サイドカム１２の本体負（ｊｌｌａ左＊）には
、−記ロッド１９に当接するバルブ作ｌｌ１１１＠カム
１ｊ３６か形成されており、作動用カム−３５は、ｌｉ
気行程用の山部３５畠と、排気性Ｉ１１用の谷部３Ｓｂ
とを備えており、サイドカム１２の１回転によりスプー
ルバルブ１１を１往復摺動させるようになっている。Ｉ
クルブ作動用カムｉ＆ｌａｓと反対側には、噴−ポンプ
態動用カム自３６が１＆成されており、ＷＩＡ動用カム
１ｉｎ３６は噴射打振用山部３６ｍを備えている。一方
噴射ポンプ１５の作動ｏ７Ｆ１５ａａｍｉ動用カム１ｉ
ｉ３６儒へ向い伝動ケース１０内に央出している。即ち
サイドカム１２が１回転する閾に１度だけ山部３６＆に
よって、作動ロッド１６＆を押し動かし、燃料噴射を行
うようになっている。The side cam 12 has a camshaft of 29Kw parallel to the crankshaft 3.
The camshaft 29 is supported by the transmission case 10 and the upper end side I11 of the main body 1 via bearings in one rotation am. A valve actuator ll111@cam1j36 that comes into contact with the - marked rod 19 is formed on the body negative side (jlla left*) of the side cam 12, and the actuating cam -35 is formed with a li
Mountain part 35 for air stroke and valley part 3Sb for exhaust performance I11
Each rotation of the side cam 12 causes the spool valve 11 to slide back and forth once. I
On the opposite side from the club actuating cam i&las, an injection pump actuating cam 36 is provided, and the WIA actuating cam 1in36 is provided with a crest 36m for injection vibration. On the other hand, the operation of the injection pump 15 o7F15aami driving cam 1i
It faces the i36 direction and is centrally located inside the transmission case 10. That is, the actuating rod 16& is pushed and moved by the ridge 36& only once per threshold of one rotation of the side cam 12, thereby injecting fuel.
クランク軸３の伝動ｌｌｌフ内部分にはプーリ３０か固
着されており、プーリ３０とサイドカム１２に前記タイ
ミングベルト１３が掛けわたされていベルト１３を掛け
ている部分の直径の比は１；２になっている。即ちサイ
ドカム１２の回転数がクランク軸３０回転数の１７２に
なるように減速している。A pulley 30 is fixed to the inner part of the transmission shaft of the crankshaft 3, and the timing belt 13 is wrapped around the pulley 30 and the side cam 12, and the diameter ratio of the part where the belt 13 is wrapped is 1:2. It has become. That is, the rotation speed of the side cam 12 is reduced to 172, which is the rotation speed of the crankshaft 30.
次に作動についてＩｌＩ＆１〜ｓ４図に基づいて説明す
る。ｊｌｘｌｌは噴射１着火行程、ｓ２−は一発。Next, the operation will be explained based on figures IlI&1 to s4. jlxll is one injection ignition stroke, and s2- is one stroke.
圧縮行掘、ｓ３図は黴気行程、第４図は排気行程を示す
。ｓ１図の噴射１着火行程では、獣、排気孔２３．２４
は共ニスプールバルブ１１によって密封されており、噴
射ポンプ１５の作動ロッド１ｂａは一動用カム自３６の
山部３６＆によって押し込まれている。１１１１１の状
態からｊｌｌ閣ム矢視時計１りに一定角度量イドカム１
２か一転すると、第２図に示すように作動ロツ１１５１
から鳳１１ｂｊｌ＊Ａｌ１３６０山ｍｓａｍが外れ、ｌ
ｍｍ１１２２内で圧縮が行なわれろ、このときは勿論獣
、＃気孔２Ｂ、２４は密封されている。ｓ２図の状１か
ら義いてサイドカム１２が１転すると１作動用カム自３
５の山部３６ＭＫよりスプールバルブ１１は矢印１個へ
押され、ｌｌ３−に示すように気体過１１１＆を介して
執気遥１６２６と甑気孔２３か遜逸し、＆気か行なわれ
る。ｓ３−〇状態からさらにサイドカム１２が一転する
と、ロッド１９は山部３５島との保合からｓ４−に示す
ように谷部３５ｂとの係合に移り、それに伴ってスプー
ルバルブ１１は１６３１１の位置から矢印Ｒ個へ移動°
してｓ４Ｅの状ｍｌになり、ｌｌ気孔２３を閉鎖すると
共に排気孔２４をｉＩ会、ｉｌ気を行う５ｊｌｎａの状
態からさらに量イドカム１２が回転すると、１５１ｍの
状ｍｌ１ｃ戻る。Compression stroke, Figure s3 shows the mold stroke, and Figure 4 shows the exhaust stroke. In the injection 1 ignition stroke in the s1 diagram, the beast, exhaust hole 23.24
is sealed by the common spool valve 11, and the operating rod 1ba of the injection pump 15 is pushed in by the peak 36& of the one-acting cam 36. From the state of 11111, a certain angle amount to the clock 1
2 or 1, the operating rod 1151 is activated as shown in Figure 2.
Otori 11bjl*Al1360 mountain msam is removed from the l
Compression is performed within mm 1122. At this time, of course, the pores 2B and 24 are sealed. s2 When the side cam 12 rotates once from state 1 in the figure, 1 operating cam 3
The spool valve 11 is pushed toward one arrow by the peak 36MK of No. 5, and as shown in 113-, the air flow 1626 and the air hole 23 are connected to each other through the air flow 111&, and air flow is performed. When the side cam 12 further turns around from the s3-〇 state, the rod 19 shifts from being engaged with the peak 35 island to being engaged with the valley 35b as shown in s4-, and the spool valve 11 is accordingly moved to the position 16311. Move from to R arrows °
When the id cam 12 rotates further from the state of 5jlna, which closes the ll air hole 23 and closes the exhaust hole 24, and performs il air, it returns to the ml1c state of 151 m.
第６ＷＡはスプールバルブ１１の変形例を示しており、
３つの密封リング４０を嵌着することにより、スプール
バルブ１１の密封性能を向上させている。密封リング４
０を配置する箇所は、耕気孔密封用胸壁部１１８１と歇
気孔蜜封用１１１１１１１ｉ１１ｂめ聞と、黴気孔賓封
用馬一部１１ｂと気体連路１８の間と、スプールバルブ
１１のｓ５図左端部である。The 6th WA shows a modification of the spool valve 11,
By fitting the three sealing rings 40, the sealing performance of the spool valve 11 is improved. Sealing ring 4
0 is placed between the plow hole sealing chest wall part 1181 and the intermittent hole sealing part 1111111i11b, between the mold hole guest sealing part 11b and the gas communication path 18, and at the left end of the spool valve 11 in the s5 diagram. Department.
以上説明したように本！ｌ明によると、スプールバルブ
１１の態動にサイドカム１２を利用し、サイドカム１２
を適宜の伝動ｓｎ、 ＠えはタイミングベルト１３を介
してクランク軸３に連動連結しているので、複雑な作Ｗ
ＩｈＭカム面３５＆の形成加工でも、円絢カ五に比べて
簡単かつ正ｉ［に行うことができる、即ち図示のような
被雑な指動運動をするスプールバルブ１１を備えたエン
ジンにとって、サイドカム１２を利用すると極めて好都
合なのである。As explained above, the book! According to L Ming, the side cam 12 is used to operate the spool valve 11, and the side cam 12
Since the appropriate transmission sn and @e are interlocked and connected to the crankshaft 3 via the timing belt 13, complicated operation W is possible.
Even in the forming process of the IhM cam surface 35, it can be performed more easily and precisely than in the case of a circular cam surface.In other words, for an engine equipped with a spool valve 11 that performs complicated finger movement as shown in the figure, the side cam surface 35& It is extremely convenient to use 12.
また仮に円周カムを利用するとすると、軸２９にタイミ
ングベルト用のプーリを必要とするが。Furthermore, if a circumferential cam were to be used, a pulley for a timing belt would be required on the shaft 29.
本発明σ）ようなサイドカム１２ては、サイドカム１２
１体をタイミングベルト用プーリとして利用することが
できるので、特別なタイミングベルト用プーリを軸２９
に働える必要かなくなり１重量軽減及びコンパクト化が
達成できる。The side cam 12 according to the present invention σ) is
One piece can be used as a timing belt pulley, so a special timing belt pulley can be attached to the shaft 29.
It is no longer necessary to work at the same time, and weight reduction and compactness can be achieved.
な怠伝動ａｍとしては、チェーン等を利用することもで
壷、またギヤを利用することもで會る。A chain or the like may be used as a lazy transmission am, or a pot or a gear may be used.
ただし図示のような巻掛伝動機構を利用すると、ポペッ
ト弁形式の伝動撫構として用いられているような多数の
練達伝達用ギヤ群を備える必要はなく、１量を大−にＩ
Ｉｋ減できる。However, if a wrap-around transmission mechanism as shown in the figure is used, there is no need to provide a large number of transmission gear groups as used in a poppet valve type transmission mechanism, and one quantity can be increased by a large amount of I.
Ik can be reduced.
ｊｌｌｌ閣は本発明によるサイドカム式スプールバルブ
エンジンの縦１１ｒｉｉｌ略Ｅ、＊２〜ｓ４図はそれぞ
れ圧縮時、＆気時及び終気峙の状１を示すエンジンの緻
断廊部分図、ＢＳ−はスプールバルブの変形例を示す正
ｍ図である。３・・・クランク軸、８・・・シリンダヘ
ッド、１１−・・スプールバルブ、１２・・・サイドカ
ム、１Ｂ・・・タイミングベルト（巻掛伝動機構の一例
→ ２ ｇ ｓｅｅ燃簡富特許出動人 ヤンマーディー
ゼル株式会社第１図
第５図
第２図
Ｊ
第３図
第４図Figures 11riil and 11riil of the side cam type spool valve engine according to the present invention are shown in Figs. FIG. 7 is a front view showing a modified example of the spool valve. 3... Crankshaft, 8... Cylinder head, 11-... Spool valve, 12... Side cam, 1B... Timing belt (an example of a winding transmission mechanism → 2 g see Enkatomi patent dispatcher) Yanmar Diesel Co., Ltd. Figure 1 Figure 5 Figure 2 J Figure 3 Figure 4
Claims (1)
バルブをシリンダヘッドに摺動自在に配置し、スプール
バルブの一端に係合するバルブ態動用のサイドカムを１
転自在に備え、サイドカムをクランク軸に連動連結した
ことを特徴とするサイドカム式スプールバルブエンジンA spool valve for sealing combustion gas and switching between secondary air and intake air is slidably arranged in the cylinder head, and a side cam for valve operation that engages one end of the spool valve is installed.
A side cam type spool valve engine characterized by a side cam that is interlocked with the crankshaft for free rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1039182A JPS58128407A (en) | 1982-01-25 | 1982-01-25 | Side cam type spool valve engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1039182A JPS58128407A (en) | 1982-01-25 | 1982-01-25 | Side cam type spool valve engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58128407A true JPS58128407A (en) | 1983-08-01 |
| JPS644049B2 JPS644049B2 (en) | 1989-01-24 |
Family
ID=11748820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1039182A Granted JPS58128407A (en) | 1982-01-25 | 1982-01-25 | Side cam type spool valve engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58128407A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2419636A (en) * | 2004-10-29 | 2006-05-03 | Thiha Kyaw Thu Win | I.c. engine cylinder head with laterally sliding valves |
| US7263963B2 (en) | 2005-09-23 | 2007-09-04 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US10309266B2 (en) | 2005-09-23 | 2019-06-04 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
| US10690085B2 (en) | 2016-09-09 | 2020-06-23 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718409A (en) * | 1980-05-23 | 1982-01-30 | Niyuuaru Fuitsushieru Kuraaku | Valve mechanism for machine |
-
1982
- 1982-01-25 JP JP1039182A patent/JPS58128407A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718409A (en) * | 1980-05-23 | 1982-01-30 | Niyuuaru Fuitsushieru Kuraaku | Valve mechanism for machine |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2419636A (en) * | 2004-10-29 | 2006-05-03 | Thiha Kyaw Thu Win | I.c. engine cylinder head with laterally sliding valves |
| US7263963B2 (en) | 2005-09-23 | 2007-09-04 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7373909B2 (en) | 2005-09-23 | 2008-05-20 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7448354B2 (en) | 2005-09-23 | 2008-11-11 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7461619B2 (en) | 2005-09-23 | 2008-12-09 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7874271B2 (en) | 2005-09-23 | 2011-01-25 | Jp Scope Llc | Method of operating a valve apparatus for an internal combustion engine |
| US8108995B2 (en) | 2005-09-23 | 2012-02-07 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US8899205B2 (en) | 2005-09-23 | 2014-12-02 | Jp Scope, Inc. | Valve apparatus for an internal combustion engine |
| US10309266B2 (en) | 2005-09-23 | 2019-06-04 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
| US10690085B2 (en) | 2016-09-09 | 2020-06-23 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644049B2 (en) | 1989-01-24 |
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