JPS5852345Y2 - Reciprocating engine piston device - Google Patents
Reciprocating engine piston deviceInfo
- Publication number
- JPS5852345Y2 JPS5852345Y2 JP13603578U JP13603578U JPS5852345Y2 JP S5852345 Y2 JPS5852345 Y2 JP S5852345Y2 JP 13603578 U JP13603578 U JP 13603578U JP 13603578 U JP13603578 U JP 13603578U JP S5852345 Y2 JPS5852345 Y2 JP S5852345Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- piston
- piston device
- reciprocating engine
- ring groove
- 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.)
- Expired
Links
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
【考案の詳細な説明】
本考案は往復動機関のピストン装置に関するものである
。[Detailed Description of the Invention] The present invention relates to a piston device for a reciprocating engine.
従来のこの種のピストン装置においては第１図に示すよ
うにピストンａの下降過程工（クランク角００〜９０°
）■（クランク角９０ｏ−１７０°）、下死点■に至る
昔でリングｂの慣性力とライナ面Ｃとの摩擦によってリ
ングｂがポンプ作用をしてリング溝ｄの油は矢印のよう
に下方へ移動する。In the conventional piston device of this type, as shown in Fig.
) ■ (crank angle 90o - 170°), in the old days when the oil reached bottom dead center ■, the inertia of ring b and the friction with liner surface C caused ring b to act as a pump, and the oil in ring groove d was pumped as shown by the arrow. Move downward.
しかし上昇過程ＩＶ（クランク角１８０°〜２７０°λ
ｖ（クランク角２７００〜３４５°）、■（クランク角
４４５°）では前述の挙動とは逆に油はピストンａの上
側すなわち燃焼室側に押し上げられてこれが燃焼過程で
蒸発したり燃焼したりして排気管を通って外気へ放出さ
れオイル消費量の多い一因となっていた。However, the rising process IV (crank angle 180°~270°λ)
At v (crank angle 2700 to 345°) and ■ (crank angle 445°), oil is pushed up above piston a, that is, toward the combustion chamber, and evaporates or burns during the combustion process, contrary to the behavior described above. This caused the oil to be released into the outside air through the exhaust pipe, contributing to high oil consumption.
本考案は上記の事情に鑑みなされたものであって、その
目的とするところはオイル消費率を大巾に低減すること
ができる往復動機関のピストン装置を提供することにあ
る。The present invention was devised in view of the above circumstances, and its purpose is to provide a piston device for a reciprocating engine that can significantly reduce the oil consumption rate.
以下、本考案を第２図以下を参照して説明する。Hereinafter, the present invention will be explained with reference to FIG. 2 and subsequent figures.
図中１はピストン２０局部に形成されたリング溝であり
、このリング溝１の内部上側には環状のオイル溜め凹部
３が形成しである。In the figure, reference numeral 1 denotes a ring groove formed locally in the piston 20, and an annular oil reservoir recess 3 is formed inside and above the ring groove 1.
また、４はピストンリング、５はライナである。Further, 4 is a piston ring, and 5 is a liner.
しかして、第４図■でピストン速度Ｕが減速しはじめリ
ングは慣性力Ｆｉによって上方へ移動しはじめる。As shown in FIG. 4, the piston speed U begins to decrease and the ring begins to move upward due to the inertial force Fi.
そして上死点の近くの第４図ｔＶではリング溝１のオイ
ルの大部分はオイル溜め凹部３に入り一部がリング溝１
上面とピストンリング５面へ移動して両者の潤滑とシー
ル作用を助ける。At tV in FIG. 4 near the top dead center, most of the oil in the ring groove 1 enters the oil sump recess 3 and a part of it enters the ring groove 1.
It moves to the top surface and the piston ring 5 surface to help lubricate and seal the two.
そして、更に、この一部は燃焼室へ昇って消費されリン
グ溝１のオイルが次の行程で消費分だけ補給されて、オ
イルの劣化を新油によって防止する。Furthermore, a part of this goes up to the combustion chamber and is consumed, and the oil in the ring groove 1 is replenished by the consumed amount in the next stroke, thereby preventing oil deterioration with new oil.
ただし、この消費分は従来のものと比較して格段に少な
くしたがってオイル消費率を大巾に低減できる。However, this amount of consumption is much smaller than that of the conventional type, and therefore the oil consumption rate can be significantly reduced.
本考案は以上詳述したようになり、ピストン２のリング
溝１の内周部上端に全周にわたってオイル溜め凹部３を
形成したから、ピストン２の上昇過程に訃いて、オイル
はオイル溜め凹部３に溜められるのでオイル消費が少な
くなりこのオイル消費率を大巾に低減することができる
。The present invention has been described in detail above, and since the oil reservoir recess 3 is formed at the upper end of the inner peripheral part of the ring groove 1 of the piston 2 over the entire circumference, when the piston 2 falls during the upward movement process, the oil flows into the oil reservoir recess 3. Since the oil is stored in the tank, the oil consumption is reduced and the oil consumption rate can be significantly reduced.
第１図は従来のピストン装置に訃けるオイルの作動状態
の説明図、第２図は本考案の一実施例の縦断面図、第３
図は本考案の要部の縦断面図、第４図は本考案に係るピ
ストン装置におけるオイルの作動状態の説明図である。
１はリング溝、２はピストン、３はオイル溜め凹部。Fig. 1 is an explanatory diagram of the operating state of oil in a conventional piston device, Fig. 2 is a longitudinal sectional view of an embodiment of the present invention, and Fig. 3
The figure is a vertical sectional view of the main part of the present invention, and FIG. 4 is an explanatory diagram of the operating state of oil in the piston device according to the present invention. 1 is a ring groove, 2 is a piston, and 3 is an oil reservoir recess.
Claims (1)
オイル溜め凹部３を形成したことを特徴とする往復動機
関のピストン装置。A piston device for a reciprocating engine, characterized in that an oil reservoir recess 3 is formed at the upper end of an inner circumferential portion of a ring groove 1 of a piston 2 over the entire circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13603578U JPS5852345Y2 (en) | 1978-10-05 | 1978-10-05 | Reciprocating engine piston device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13603578U JPS5852345Y2 (en) | 1978-10-05 | 1978-10-05 | Reciprocating engine piston device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5552533U JPS5552533U (en) | 1980-04-08 |
| JPS5852345Y2 true JPS5852345Y2 (en) | 1983-11-29 |
Family
ID=29106904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13603578U Expired JPS5852345Y2 (en) | 1978-10-05 | 1978-10-05 | Reciprocating engine piston device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5852345Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5875933U (en) * | 1981-11-18 | 1983-05-23 | 日産自動車株式会社 | Internal combustion engine piston ring device |
| JPS59104276U (en) * | 1982-12-27 | 1984-07-13 | 福田 智夫 | change dispenser |
-
1978
- 1978-10-05 JP JP13603578U patent/JPS5852345Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5552533U (en) | 1980-04-08 |
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