JPS63162902U - - Google Patents
Info
- Publication number
- JPS63162902U JPS63162902U JP5659387U JP5659387U JPS63162902U JP S63162902 U JPS63162902 U JP S63162902U JP 5659387 U JP5659387 U JP 5659387U JP 5659387 U JP5659387 U JP 5659387U JP S63162902 U JPS63162902 U JP S63162902U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- spring chamber
- air spring
- air
- stem
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案による内燃機関のバルブスプリ
ング装置に一つの実施例を示す縦断面図、第２図
及び第３図は各々本考案によるバルブスプリング
装置に他の実施例を示す縦断面図である。
１０……シリンダヘツド、１２……バルブステ
ムガイド部材、１４……バルブステム、１６……
リテーナロツク部材、１８……ばねリテーナ、２
０……ばね着座面部、２２……圧縮コイルばね、
２４……固定カツプ状部材、２６……筒状周壁、
２８……係合凹部、３０……端壁、３２……孔、
３４……通気孔、３６……潤滑油逃し孔、３８…
…潤滑油逃し用切掻き、４０，４２……潤滑油流
通孔、４４……バルブリフタ、４６……端壁、４
８……筒状周壁、５０……空気ばね室、５２……
シム、５４……圧縮コイルばね、５６……空気供
給ポート、５８……リード弁、６０……リード弁
ストツパ、６２……カム、６４……オリフイス孔
、６６……Ｏリング、６８……オイルシール部材
。
FIG. 1 is a longitudinal sectional view showing one embodiment of a valve spring device for an internal combustion engine according to the present invention, and FIGS. 2 and 3 are longitudinal sectional views showing other embodiments of the valve spring device according to the present invention. be. 10... Cylinder head, 12... Valve stem guide member, 14... Valve stem, 16...
Retainer lock member, 18... Spring retainer, 2
0... Spring seating surface portion, 22... Compression coil spring,
24... Fixed cup-shaped member, 26... Cylindrical peripheral wall,
28... Engagement recess, 30... End wall, 32... Hole,
34...Vent hole, 36...Lubricating oil relief hole, 38...
...Lubricating oil release notch, 40, 42...Lubricating oil circulation hole, 44...Valve lifter, 46...End wall, 4
8... Cylindrical peripheral wall, 50... Air spring chamber, 52...
Shim, 54...Compression coil spring, 56...Air supply port, 58...Reed valve, 60...Reed valve stopper, 62...Cam, 64...Orifice hole, 66...O ring, 68...Oil Seal member.
Claims (1)
端近傍にてバルブステムをその周廻りの取囲む端
壁を備えた固定カツプ状部材と、前記固定カツプ
状部材に軸線方向に摺動可能に設けられて前記バ
ルブステムと係合し前記端壁との間に空気ばね室
を郭定するカツプ状のバルブリフタと、前記空気
ばね室に設けられて前記空気ばね室を軸線方向に
拡張する方向に作用するばねと、前記空気ばね室
へ向う空気の流れのみを許す逆止弁と、前記空気
ばね室の空気の排出を行うオリフイス通路手段と
を有する内燃機構のバルブスプリング装置。 a fixed cup-shaped member attached to the cylinder head and having an end wall surrounding the valve stem near the tip of the valve stem; a cup-shaped valve lifter that engages with the stem and defines an air spring chamber between the stem and the end wall; a spring that is provided in the air spring chamber and acts in a direction to expand the air spring chamber in the axial direction; A valve spring device for an internal combustion mechanism, comprising a check valve that only allows air to flow toward the air spring chamber, and orifice passage means that discharges air from the air spring chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5659387U JPS63162902U (en) | 1987-04-14 | 1987-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5659387U JPS63162902U (en) | 1987-04-14 | 1987-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63162902U true JPS63162902U (en) | 1988-10-25 |
Family
ID=30885540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5659387U Pending JPS63162902U (en) | 1987-04-14 | 1987-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63162902U (en) |
-
1987
- 1987-04-14 JP JP5659387U patent/JPS63162902U/ja active Pending
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