JPS54159519A - Dynamic valve device for internal combustion engine - Google Patents
Dynamic valve device for internal combustion engineInfo
- Publication number
- JPS54159519A JPS54159519A JP6728578A JP6728578A JPS54159519A JP S54159519 A JPS54159519 A JP S54159519A JP 6728578 A JP6728578 A JP 6728578A JP 6728578 A JP6728578 A JP 6728578A JP S54159519 A JPS54159519 A JP S54159519A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- piston
- internal combustion
- combustion engine
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
PURPOSE: To reduce the impact of a dynamic valve device for an internal combustion engine upon opening or closing of the valve, prevent the noise, and to improve the durability of the valve system by intaking part of the bottom area of a valve lift by utilizing an oil tappet to thereby lower the valve lift.
CONSTITUTION: In a dynamic valve device for an internal combustion engine for opening or closing a valve via a rocker arm (not shown), an oil tappet 2 and a push rod 3 upon revolution of a cam 1 rotating by the engine, the oil tappet 2 incorporates a reciprocating tappet body 6 at the barrel in a cylinder block 4, first piston 7 seated with the push rod 3 in the body 6 and free piston (second piston) 10 urged upwardly by a spring 9 in the atmospheric chamber 8 in such a manner that control oil is introduced through oil passages 11, 12 and chack valve 13 into the chamber 15. The piston 7 is inserted into a cylindrical piston 22 within the cylinder 21.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6728578A JPS54159519A (en) | 1978-06-06 | 1978-06-06 | Dynamic valve device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6728578A JPS54159519A (en) | 1978-06-06 | 1978-06-06 | Dynamic valve device for internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54159519A true JPS54159519A (en) | 1979-12-17 |
Family
ID=13340541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6728578A Pending JPS54159519A (en) | 1978-06-06 | 1978-06-06 | Dynamic valve device for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54159519A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5720164A (en) * | 1990-11-27 | 1998-02-24 | Rolls-Royce Plc | Gas generators having dual fuel injector purge means |
-
1978
- 1978-06-06 JP JP6728578A patent/JPS54159519A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5720164A (en) * | 1990-11-27 | 1998-02-24 | Rolls-Royce Plc | Gas generators having dual fuel injector purge means |
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