JPS6149005U - - Google Patents
Info
- Publication number
- JPS6149005U JPS6149005U JP13476984U JP13476984U JPS6149005U JP S6149005 U JPS6149005 U JP S6149005U JP 13476984 U JP13476984 U JP 13476984U JP 13476984 U JP13476984 U JP 13476984U JP S6149005 U JPS6149005 U JP S6149005U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- camshaft
- valve
- absorbing
- torque fluctuation
- 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 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Transmission Devices (AREA)
Description
第１図は本考案の第１実施例の縦断面部分図（
第１図の−断面図）、第２図は第１図の−
断面図、第３図は各カムの形状を示す第２図の
矢視相当図、第４、第５図はそれぞれ弁用カム
及びトルク変動吸収用カムにより生じるトルク変
動を示すグラフ、第６図は第２実施例の縦断側面
図、第７図は第６図の各カムの形状を示す第６図
の矢視相当図、第８、第９図はそれぞれ第７図
の各カムにより生じるトルク変動を示すグラフ、
第１０図は第３実施例の縦断面図、第１１図は本
考案に採用するカムシヤフト用ギヤ駆動機構の縦
断面図である。１…吸気弁、７…弁ばね、１２…
吸気弁用カムシヤフト、１２′…排気弁用カムシ
ヤフト、１３…弁用カム、１５…トルク変動吸収
用カム、２０…トルク変動吸収用ばね、３６，３
７…減速ギヤ、小径ギヤ（ギヤ駆動機構）。
FIG. 1 is a partial vertical cross-sectional view of the first embodiment of the present invention (
Figure 2 is a cross-sectional view of Figure 1.
A sectional view, FIG. 3 is a view corresponding to the arrow in FIG. 2 showing the shape of each cam, FIGS. 4 and 5 are graphs showing torque fluctuations caused by the valve cam and the torque fluctuation absorbing cam, respectively, and FIG. 6 is a vertical side view of the second embodiment, FIG. 7 is a view corresponding to the arrow in FIG. 6 showing the shape of each cam in FIG. 6, and FIGS. 8 and 9 are torques generated by each cam in FIG. 7, respectively. graph showing fluctuations,
FIG. 10 is a longitudinal sectional view of the third embodiment, and FIG. 11 is a longitudinal sectional view of the camshaft gear drive mechanism employed in the present invention. 1...Intake valve, 7...Valve spring, 12...
Camshaft for intake valve, 12'... Camshaft for exhaust valve, 13... Cam for valve, 15... Cam for absorbing torque fluctuation, 20... Spring for absorbing torque fluctuation, 36, 3
7...Reduction gear, small diameter gear (gear drive mechanism).
Claims (1)
をシリンダヘツドに備え、両カムシヤフトをギヤ
駆動方式により回転駆動するようにし、各カムシ
ヤフトにそれぞれ吸気弁用カムと排気弁用カムを
形成し、各弁用カムをそれぞれ弁ばねに当接させ
、各カムシヤフトにはさらにトルク変動吸収用カ
ムをそれぞれ形成し、トルク変動吸収用カムをそ
れぞれトルク変動吸収ばねに当接させ、トルク変
動吸収用カムと弁用カムにより発生する各トルク
が互いに打ち消し合うようなカム形状にトルク変
動吸収用カムを形成したことを特徴とする内燃機
関の動弁機構。 A camshaft for the intake valve and a camshaft for the exhaust valve are provided in the cylinder head, and both camshafts are rotationally driven by a gear drive system.A cam for the intake valve and a cam for the exhaust valve are respectively formed on each camshaft, and a cam for each valve is formed. Each camshaft is further formed with a cam for absorbing torque fluctuations, and each cam for absorbing torque fluctuations is brought into contact with a torque fluctuation absorbing spring. A valve train mechanism for an internal combustion engine, characterized in that a torque fluctuation absorbing cam is formed in a cam shape such that the respective torques cancel each other out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13476984U JPS6149005U (en) | 1984-09-04 | 1984-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13476984U JPS6149005U (en) | 1984-09-04 | 1984-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6149005U true JPS6149005U (en) | 1986-04-02 |
Family
ID=30693274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13476984U Pending JPS6149005U (en) | 1984-09-04 | 1984-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6149005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013540241A (en) * | 2010-10-21 | 2013-10-31 | ボーグワーナー インコーポレーテッド | Additional spring and follower mechanisms built into the valve cover or bearing bridge |
| WO2019188579A1 (en) * | 2018-03-28 | 2019-10-03 | いすゞ自動車株式会社 | Valve actuator for internal combustion engine |
-
1984
- 1984-09-04 JP JP13476984U patent/JPS6149005U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013540241A (en) * | 2010-10-21 | 2013-10-31 | ボーグワーナー インコーポレーテッド | Additional spring and follower mechanisms built into the valve cover or bearing bridge |
| WO2019188579A1 (en) * | 2018-03-28 | 2019-10-03 | いすゞ自動車株式会社 | Valve actuator for internal combustion engine |
| JP2019173641A (en) * | 2018-03-28 | 2019-10-10 | いすゞ自動車株式会社 | Valve gear of internal combustion engine |
| CN111919014A (en) * | 2018-03-28 | 2020-11-10 | 五十铃自动车株式会社 | Valve gear of internal combustion engine |
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