GB191225736A - Improvements in Means for Varying the Compression in Internal-combustion Engines. - Google Patents
Improvements in Means for Varying the Compression in Internal-combustion Engines.Info
- Publication number
- GB191225736A GB191225736A GB191225736DA GB191225736A GB 191225736 A GB191225736 A GB 191225736A GB 191225736D A GB191225736D A GB 191225736DA GB 191225736 A GB191225736 A GB 191225736A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- space
- compression
- stroke
- air
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
25,736. Hazzlewood, J. Nov. 9. [Cognate Application, 28,562/12.] Four-stroke-cycle engines; cylinders, varying clearance of. - Compression is reduced to a minimum, at starting, and is increased automatically during normal working by a supplementary piston mounted in the cylinder head. In the four-stroke-cycle engine shown in Fig. 1, a loose piston 8 carries a plunger 9<x> having a central channel 9<y> by means of which an air compression chamber 10 is placed in communication with a space 15 behind the piston. At starting, a valve 16 opens the space 15 to the atmosphere, and the piston 8 is then free to occupy its highest position during the compression strokes. During normal working, the valve 16 is closed and air is drawn into and compressed in the chamber 10 by the action of the varying pressures on the underside of the piston 8, the air being transferred to and stored in the space 15. The piston 8 approaches the working piston at the end of each exhaust stroke and facilitates the expulsion of the exhaust gases. According to a modified construction, the plunger 9<X> is dispensed with, exhaust gases from the combustion space being admitted behind the supplementary piston.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191225736T | 1912-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191225736A true GB191225736A (en) | 1913-10-02 |
Family
ID=32574687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191225736D Expired GB191225736A (en) | 1912-11-09 | 1912-11-09 | Improvements in Means for Varying the Compression in Internal-combustion Engines. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191225736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2554336A (en) * | 1947-04-25 | 1951-05-22 | Herbert J Kratzer | Variable compression ratio internal-combustion engine |
-
1912
- 1912-11-09 GB GB191225736D patent/GB191225736A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2554336A (en) * | 1947-04-25 | 1951-05-22 | Herbert J Kratzer | Variable compression ratio internal-combustion engine |
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