JPS55123308A - Reciprocating engine - Google Patents
Reciprocating engineInfo
- Publication number
- JPS55123308A JPS55123308A JP2820279A JP2820279A JPS55123308A JP S55123308 A JPS55123308 A JP S55123308A JP 2820279 A JP2820279 A JP 2820279A JP 2820279 A JP2820279 A JP 2820279A JP S55123308 A JPS55123308 A JP S55123308A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- valve
- intake port
- exhaust
- closing
- 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.)
- Granted
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
PURPOSE: To make an engine structure compact and light and to enhance its durability, by employing an arrangement in which opening and closing of an intake and an exhaust valves of a reciprocating engine is effected automatically in association with the movement of piston.
CONSTITUTION: Piston 1 is fitted in cylinder 2 in freely slidable manner. At the bottom of cylinder 2, there are formed an intake port 3 and an exhaust port 4. In the intake port 3, there are provided a valve 12 moved downward by spring 9 and a valve rod 11 which urges valve 12 upward by means of spring 10 for closing intake port 3. When the piston 1 comes near to the bottom dead point, valve rod 11 is moved downward for opening the intake port 3. On the other hand, exhaust valve 21 for opening and closing exhaust port 4 is connected to a cylindrical member 16, and stopper pawl 16a at the top of cylindrical member 16 is fitted in cam groove 20 formed in the side portion of piston 1. Therefore, exhaust port 4 is opened when piston 1 comes near to the top dead point and closed when piston 1 comes near to the bottom dead point.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2820279A JPS55123308A (en) | 1979-03-13 | 1979-03-13 | Reciprocating engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2820279A JPS55123308A (en) | 1979-03-13 | 1979-03-13 | Reciprocating engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55123308A true JPS55123308A (en) | 1980-09-22 |
JPS5650088B2 JPS5650088B2 (en) | 1981-11-26 |
Family
ID=12242074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2820279A Granted JPS55123308A (en) | 1979-03-13 | 1979-03-13 | Reciprocating engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55123308A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008183648A (en) * | 2007-01-29 | 2008-08-14 | Takubo Seiki Seisakusho:Kk | Reamer and hand reamer |
-
1979
- 1979-03-13 JP JP2820279A patent/JPS55123308A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008183648A (en) * | 2007-01-29 | 2008-08-14 | Takubo Seiki Seisakusho:Kk | Reamer and hand reamer |
Also Published As
Publication number | Publication date |
---|---|
JPS5650088B2 (en) | 1981-11-26 |
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