GB447254A - Improvements in and relating to internal combustion percussive tools - Google Patents
Improvements in and relating to internal combustion percussive toolsInfo
- Publication number
- GB447254A GB447254A GB122936A GB122936A GB447254A GB 447254 A GB447254 A GB 447254A GB 122936 A GB122936 A GB 122936A GB 122936 A GB122936 A GB 122936A GB 447254 A GB447254 A GB 447254A
- Authority
- GB
- United Kingdom
- Prior art keywords
- space
- piston
- cylinder
- charge
- port
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/061—Tampers with directly acting explosion chambers
Abstract
447,254. Percussive tools. MECOBRENNKRAFT - MASCHINEN GES., and EICHELGRUN, M., 58, Hohenzollernplatz, Frankfort-on-Main, Germany. Jan. 14, 1936, No. 1229. [Class 124] The piston 3 of an internal - combustion rammer is raised by spring supported handles 12, transferring a fuel charge from the space 4, through ports 13, 14 to the combustion chamber below the disc 1. The burnt gases from the previous explosion are drawn into the space 7. Since the diameter of the cylinder 4 is larger than the piston 16 the gases move upward through the gap 8 preventing mixing of the burnt and fresh charges and the charge in the combustion chamber is given an initial pressure. Finally studs 10 seat the valve 9, explosion occurs, raising the cylinder and as the piston 3 descends the gases in the space 7 are exhausted through the port 25. A fresh charge is drawn from the fuel chamber 20 to the space 4. In a modification, the disc 1 is omitted and a valve carried by the handmoved piston closes the port in the diaphragm connecting the combustion and changing cylinders. In this modification, the fresh fuel charge is admitted to the cylinder through a port in the cylinder walls directed in a tangential manner. The force of the blow is adjusted by varying the movement given to the handles 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB122936A GB447254A (en) | 1936-01-14 | 1936-01-14 | Improvements in and relating to internal combustion percussive tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB122936A GB447254A (en) | 1936-01-14 | 1936-01-14 | Improvements in and relating to internal combustion percussive tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB447254A true GB447254A (en) | 1936-05-14 |
Family
ID=9718358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB122936A Expired GB447254A (en) | 1936-01-14 | 1936-01-14 | Improvements in and relating to internal combustion percussive tools |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB447254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012549A (en) * | 1957-01-30 | 1961-12-12 | Bard | Internal combustion device |
-
1936
- 1936-01-14 GB GB122936A patent/GB447254A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012549A (en) * | 1957-01-30 | 1961-12-12 | Bard | Internal combustion device |
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