JPS62119407U - - Google Patents
Info
- Publication number
- JPS62119407U JPS62119407U JP633486U JP633486U JPS62119407U JP S62119407 U JPS62119407 U JP S62119407U JP 633486 U JP633486 U JP 633486U JP 633486 U JP633486 U JP 633486U JP S62119407 U JPS62119407 U JP S62119407U
- Authority
- JP
- Japan
- Prior art keywords
- oil reservoir
- chamber
- plunger
- high pressure
- oil
- 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
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図はこの考案の第１実施例を示す断面図、
第２図はこの考案の第２実施例を示す断面図、第
３図はこの各実施例と従来における動弁系の駆動
トルク特性図、第４図は従来の油圧バルブリフタ
ーを示す断面図、第５図はこの従来と油圧バルブ
リフターを有しない動弁系の駆動トルクを示す特
性図である。
１１…バルブリフタボデイ、１２…プランジヤ
、１３…油溜室、１４…高圧室、１５…連通孔、
１６…圧縮スプリング、１７…チエツクボール、
１８…プランジヤキヤツプ、１９…油リターン室
（外部）、２０…隔壁（端壁）、２１…油孔、２
２…通孔、２３…球形弁体（リリーフバルブ）、
２４…リターンスプリング、３３…舌状弁体（リ
リーフバルブ）。
FIG. 1 is a sectional view showing the first embodiment of this invention;
FIG. 2 is a sectional view showing a second embodiment of this invention, FIG. 3 is a drive torque characteristic diagram of the valve train in each of these embodiments and the conventional valve train, and FIG. 4 is a sectional view showing a conventional hydraulic valve lifter. FIG. 5 is a characteristic diagram showing the driving torque of the conventional valve train and the valve train without a hydraulic valve lifter. 11... Valve lifter body, 12... Plunger, 13... Oil reservoir chamber, 14... High pressure chamber, 15... Communication hole,
16... Compression spring, 17... Check ball,
18... Plunger cap, 19... Oil return chamber (external), 20... Partition wall (end wall), 21... Oil hole, 2
2... Through hole, 23... Spherical valve body (relief valve),
24... Return spring, 33... Tongue-shaped valve body (relief valve).
Claims (1)
するプランジヤを摺動可能に配設するとともに、
上記ボデイとプランジヤとの間に連通孔を介して
上記油溜室と連通する高圧室を形成し、該高圧室
に、カムベースサークル時に上記ボデイを押圧す
る圧縮スプリングを装着し、更に上記油溜室と外
部を連通する油孔を形成すると共に、上記外部側
に機関の所定低回転域以上で上記油孔を開成する
リリーフバルブを設けたことを特徴とする油圧バ
ルブリフター。 A plunger having an internal oil reservoir is slidably disposed within the valve lifter body, and
A high pressure chamber communicating with the oil reservoir chamber through a communication hole is formed between the body and the plunger, a compression spring is installed in the high pressure chamber to press the body during the cam base circle, and the oil reservoir A hydraulic valve lifter, characterized in that an oil hole communicating between the chamber and the outside is formed, and a relief valve that opens the oil hole above a predetermined low rotational speed range of the engine is provided on the outside side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP633486U JPS62119407U (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP633486U JPS62119407U (en) | 1986-01-20 | 1986-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119407U true JPS62119407U (en) | 1987-07-29 |
Family
ID=30788756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP633486U Pending JPS62119407U (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040008348A (en) * | 2002-07-18 | 2004-01-31 | 현대자동차주식회사 | Hydraulic lash adjuster of intake/exhaust valve for automobile |
-
1986
- 1986-01-20 JP JP633486U patent/JPS62119407U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040008348A (en) * | 2002-07-18 | 2004-01-31 | 현대자동차주식회사 | Hydraulic lash adjuster of intake/exhaust valve for automobile |
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