GB828139A - Improvements in free piston gas generators - Google Patents
Improvements in free piston gas generatorsInfo
- Publication number
- GB828139A GB828139A GB13611/58A GB1361158A GB828139A GB 828139 A GB828139 A GB 828139A GB 13611/58 A GB13611/58 A GB 13611/58A GB 1361158 A GB1361158 A GB 1361158A GB 828139 A GB828139 A GB 828139A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- compressor
- piston
- underpressure
- stroke
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B71/00—Free-piston engines; Engines without rotary main shaft
- F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
- F02B71/06—Free-piston combustion gas generators per se
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
828,139. Free-piston gas generators. FIAT, SOC. PER AZIONI. April 29, 1958 [May 3, 1957], No. 13611/58. Class 7(1) A variable scavenging pressure freepiston gas generator includes an outwardly arranged compressor for the air compression to take place on the expansion stroke in the engine cylinder and an underpressure cushion on the opposite side of the compressor piston and the ratio of the geometric stroke Cg and the engine stroke cm is such that the ratio # of the air available for combustion and the air necessary for combustion (stoichiometric air) is lower than 1.2 to 1 at the maximum admissible stroke of the piston Cg and any scavenging pressure and Cg is 1.8 at least. In the gas Cm generator shown in Fig. 1 a channel 10 is bored in each compressor cylinder and connects in the neighbourhood of the inner dead point of the compressor piston 11 the underpressure cushion 12 and the compression chamber 13. The conduit 16 interconnects the two underpressure cushions 12. Fig. 5 shows an opposed piston gas generator equipped with positive cushions in which the minimum pressure equals the suction pressure of the compressor. The conduit 19 balances the cushions 17. Pressure adjustment of the underpressure cushion can be obtained by limiting its maximum pressure by a pressure valve with or without an adjustable opening pressure.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT828139X | 1957-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB828139A true GB828139A (en) | 1960-02-17 |
Family
ID=11319438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13611/58A Expired GB828139A (en) | 1957-05-03 | 1958-04-29 | Improvements in free piston gas generators |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB828139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2192605A5 (en) * | 1972-07-07 | 1974-02-08 | Moiroux A |
-
1958
- 1958-04-29 GB GB13611/58A patent/GB828139A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2192605A5 (en) * | 1972-07-07 | 1974-02-08 | Moiroux A |
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