JPH01174502U - - Google Patents
Info
- Publication number
- JPH01174502U JPH01174502U JP7192688U JP7192688U JPH01174502U JP H01174502 U JPH01174502 U JP H01174502U JP 7192688 U JP7192688 U JP 7192688U JP 7192688 U JP7192688 U JP 7192688U JP H01174502 U JPH01174502 U JP H01174502U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- exhaust
- timing
- intake
- camshafts
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Description
第1図は本考案のDOHCエンジンの動弁装置
の実施例を示す正面図、第2図aは可変バルブタ
イミング装置の部分の縦断面図、bは同横断面図
、第3図はバルブタイミングを示す図、第4図は
本考案の水平対向型エンジンの実施例を示す正面
図である。
1…エンジン本体、2a,2b…左右バンク、
3a,3b…吸気用カム軸、4a,4b…排気用
カム軸、5…クランク軸、6…吸気用プーリ、9
,11…タイミングベルト、20…可変バルブタ
イミング装置。
Fig. 1 is a front view showing an embodiment of a valve train for a DOHC engine according to the present invention, Fig. 2a is a vertical cross-sectional view of a portion of the variable valve timing device, b is a cross-sectional view thereof, and Fig. 3 is a valve timing diagram. FIG. 4 is a front view showing an embodiment of the horizontally opposed engine of the present invention. 1... Engine body, 2a, 2b... Left and right banks,
3a, 3b...Intake camshaft, 4a, 4b...Exhaust camshaft, 5...Crankshaft, 6...Intake pulley, 9
, 11...timing belt, 20... variable valve timing device.
Claims (1)
のカム軸とを設け、クランク軸に設けられたタイ
ミングプーリと上記左右バンクの上記吸気用カム
軸のそれぞれに設けられたタイミングプーリ同志
と、上記排気用カム軸のそれぞれに設けられたタ
イミングプーリ同志との間に、それぞれタイミン
グベルトを各別に巻装してなるダブルオーバヘツ
ドカム型エンジンにおいて、 上記クランク軸と、少なくとも各吸気用カム軸
と各排気用カム軸の何れか一方または両方のカム
軸との位相を変化させるための可変バルブタイミ
ング装置を、上記クランク軸のタイミングプーリ
に設けたことを特徴とするダブルオーバヘツドカ
ム型エンジンの動弁装置。[Scope of Claim for Utility Model Registration] An intake camshaft and an exhaust camshaft are provided on each of the left and right banks, and a timing pulley provided on the crankshaft and each of the intake camshafts on the left and right banks are provided with an intake camshaft and an exhaust camshaft, respectively. In a double overhead cam type engine, a timing belt is individually wound between two timing pulleys provided on each of the exhaust camshafts, and a timing belt provided on each of the exhaust camshafts. The double-over valve is characterized in that a variable valve timing device for changing the phase of either or both of the intake camshaft and each exhaust camshaft is provided on the timing pulley of the crankshaft. Valve gear for a head cam type engine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7192688U JPH01174502U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7192688U JPH01174502U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01174502U true JPH01174502U (en) | 1989-12-12 |
Family
ID=31297111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7192688U Pending JPH01174502U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01174502U (en) |
-
1988
- 1988-05-31 JP JP7192688U patent/JPH01174502U/ja active Pending