JPS54142414A - Hydraulic valve lift - Google Patents
Hydraulic valve liftInfo
- Publication number
- JPS54142414A JPS54142414A JP5133778A JP5133778A JPS54142414A JP S54142414 A JPS54142414 A JP S54142414A JP 5133778 A JP5133778 A JP 5133778A JP 5133778 A JP5133778 A JP 5133778A JP S54142414 A JPS54142414 A JP S54142414A
- Authority
- JP
- Japan
- Prior art keywords
- room
- oil
- slit
- brake
- plunger
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
PURPOSE: To reduce noise and improve durability by shaping a slit to absorb a valve-seating impact which decreases oil from a brake room with descent of a plunger.
CONSTITUTION: A brake room 10 is shaped by a cylinder bore 8, its flange 9, and flange 7 of a plunger 6 and a slit 15 is on one of oil holes 13 to communicate a lubrication oil room 14 with the brake room 10. The slit 15 is shaped a triangle whose opening is regulated by the flange 9. When a cam shaft 1 turns to start lifting a lifter body 5, oil pressure in a hydraulic room 26 to force oil into the brake room 10 through the slit 15. Oil in the hydraulic room 26 reduces in pressure due to outflow from a contraction hole 27. Lift of the plunger 6 depends on outflow of oil from the hydraulic room 26 which varies according to the speed of a turning cam.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5133778A JPS54142414A (en) | 1978-04-28 | 1978-04-28 | Hydraulic valve lift |
US06/034,186 US4347812A (en) | 1978-04-28 | 1979-04-27 | Hydraulic valve lift device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5133778A JPS54142414A (en) | 1978-04-28 | 1978-04-28 | Hydraulic valve lift |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54142414A true JPS54142414A (en) | 1979-11-06 |
Family
ID=12884097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5133778A Pending JPS54142414A (en) | 1978-04-28 | 1978-04-28 | Hydraulic valve lift |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54142414A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55115750A (en) * | 1979-02-27 | 1980-09-05 | Nec Corp | Initial connection system for time sharing multiple connection |
JPH0354308A (en) * | 1989-07-20 | 1991-03-08 | Honda Motor Co Ltd | Hydraulic driving device of engine valve for internal combustion engine |
US5451029A (en) * | 1992-06-05 | 1995-09-19 | Volkswagen Ag | Variable valve control arrangement |
-
1978
- 1978-04-28 JP JP5133778A patent/JPS54142414A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55115750A (en) * | 1979-02-27 | 1980-09-05 | Nec Corp | Initial connection system for time sharing multiple connection |
JPH0354308A (en) * | 1989-07-20 | 1991-03-08 | Honda Motor Co Ltd | Hydraulic driving device of engine valve for internal combustion engine |
JPH0579804B2 (en) * | 1989-07-20 | 1993-11-04 | Honda Motor Co Ltd | |
US5451029A (en) * | 1992-06-05 | 1995-09-19 | Volkswagen Ag | Variable valve control arrangement |
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