JPH0434411U - - Google Patents
Info
- Publication number
- JPH0434411U JPH0434411U JP7685790U JP7685790U JPH0434411U JP H0434411 U JPH0434411 U JP H0434411U JP 7685790 U JP7685790 U JP 7685790U JP 7685790 U JP7685790 U JP 7685790U JP H0434411 U JPH0434411 U JP H0434411U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- engine braking
- vehicle
- engine
- power tard
- 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
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す概略構成図、
第２図は従来のパワータード装置付車両用エンジ
ンの概略構成図、第３図は第１図及び第２図にお
ける油圧式アクチユエータ３８の拡大断面図、第
４図は第２図における高圧オイルポンプ４４の駆
動装置を示す概略構成図である。
１０……シリンダ、１２……ピストン、２０…
…吸気弁、２２……排気弁、２８……パワーター
ド弁、３８……油圧式アクチユエータ、３４……
油室、３６……油圧応動ピストン、４４……高圧
オイルポンプ、９２……電動モータ。
FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
FIG. 2 is a schematic configuration diagram of a conventional vehicle engine with a power tard device, FIG. 3 is an enlarged sectional view of the hydraulic actuator 38 in FIGS. 1 and 2, and FIG. 4 is a high-pressure oil pump 44 in FIG. 2. 1 is a schematic configuration diagram showing a drive device of FIG. 10...Cylinder, 12...Piston, 20...
...Intake valve, 22...Exhaust valve, 28...Powertard valve, 38...Hydraulic actuator, 34...
Oil chamber, 36... Hydraulic response piston, 44... High pressure oil pump, 92... Electric motor.
Claims (1)
、車両のエンジンブレーキ走行時に開放されてエ
ンジンブレーキ効果を生起するパワータード弁と
、上記エンジンブレーキ走行時に上記パワーター
ド弁を弁ばねに抗し開放する油圧応動ピストンと
を設けると共に、上記油圧応動ピストンに高圧作
動油を供給する高圧オイルポンプを上記エンジン
ブレーキ走行時に作動する電動モータによつて駆
動するように構成したことを特徴とするパワータ
ード装置付車両用エンジン。 Each cylinder of the engine has an intake valve and an exhaust valve, a power tard valve that is opened to produce an engine braking effect when the vehicle is running under engine braking, and a hydraulic response valve that opens the power tard valve against a valve spring when the vehicle is running under engine braking. A vehicle engine with a power tard device, characterized in that a high-pressure oil pump for supplying high-pressure hydraulic oil to the hydraulically responsive piston is driven by the electric motor that operates during engine braking. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7685790U JPH0434411U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7685790U JPH0434411U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434411U true JPH0434411U (en) | 1992-03-23 |
Family
ID=31618701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7685790U Pending JPH0434411U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434411U (en) |
-
1990
- 1990-07-19 JP JP7685790U patent/JPH0434411U/ja active Pending
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