JPH0434407U - - Google Patents
Info
- Publication number
- JPH0434407U JPH0434407U JP7685890U JP7685890U JPH0434407U JP H0434407 U JPH0434407 U JP H0434407U JP 7685890 U JP7685890 U JP 7685890U JP 7685890 U JP7685890 U JP 7685890U JP H0434407 U JPH0434407 U JP H0434407U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- valve
- contacts
- oil chamber
- face
- 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
- 239000003921 oil Substances 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の第１実施例を示す側断面図、
第２図は本考案の第２実施例を示す側断面図、第
３図は本考案の第３実施例を示す側断面図、第４
図は従来の油圧式タペツトを含む動弁装置の側断
面図である。
１０……シリンダヘツド、１２……弁ステム、
２０……油圧式タペツト、２２……動弁用カム、
２６……ボデイ、２８……プランジヤ、３２……
逆止弁、３４……油室。
FIG. 1 is a side sectional view showing the first embodiment of the present invention;
Fig. 2 is a side sectional view showing a second embodiment of the invention, Fig. 3 is a side sectional view showing a third embodiment of the invention, and Fig. 4 is a side sectional view showing a third embodiment of the invention.
The figure is a side sectional view of a conventional valve train including a hydraulic tappet. 10... Cylinder head, 12... Valve stem,
20... Hydraulic tappet, 22... Valve train cam,
26...Body, 28...Plunger, 32...
Check valve, 34... oil chamber.
Claims (1)
底円筒状のボデイと、同ボデイ内に摺動自在に嵌
装され吸気弁又は排気弁に当接してこれらを開閉
するプランジヤと、同プランジヤに装架され、上
記ボデイの底面とこれに対向するプランジヤの端
面との間に形成された油室への作動油の流入は許
容するが、同作動油の油室からの流出は禁止する
逆止弁とを具えてなるものにおいて、上記ボデイ
底面に対向するプランジヤ端面の少くとも一部分
が、ボデイ底面に向つて凸の曲面に形成されたこ
とを特徴とするエンジンの油圧式タペツト。 A bottomed cylindrical body that contacts a valve drive cam and is driven in the axial direction; a plunger that is slidably fitted into the body and contacts an intake valve or an exhaust valve to open and close them; Hydraulic oil is allowed to flow into the oil chamber mounted on the plunger and formed between the bottom surface of the body and the opposing end surface of the plunger, but it is prohibited to flow out from the oil chamber. 1. A hydraulic tappet for an engine, comprising a check valve, characterized in that at least a portion of the end face of the plunger facing the bottom face of the body is formed into a curved surface convex toward the bottom face of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7685890U JPH0434407U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7685890U JPH0434407U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434407U true JPH0434407U (en) | 1992-03-23 |
Family
ID=31618703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7685890U Pending JPH0434407U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434407U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116114A (en) * | 1980-11-21 | 1982-07-20 | Erure I Buuuetsuse Katsupa Ets | Self-adjusting hydraulic tappet |
| JPH024908B2 (en) * | 1982-05-20 | 1990-01-30 | Ricoh Kk |
-
1990
- 1990-07-19 JP JP7685890U patent/JPH0434407U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116114A (en) * | 1980-11-21 | 1982-07-20 | Erure I Buuuetsuse Katsupa Ets | Self-adjusting hydraulic tappet |
| JPH024908B2 (en) * | 1982-05-20 | 1990-01-30 | Ricoh Kk |