GB1420134A - Free piston internal combustion engines - Google Patents
Free piston internal combustion enginesInfo
- Publication number
- GB1420134A GB1420134A GB674173A GB674173A GB1420134A GB 1420134 A GB1420134 A GB 1420134A GB 674173 A GB674173 A GB 674173A GB 674173 A GB674173 A GB 674173A GB 1420134 A GB1420134 A GB 1420134A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- piston
- liquid
- duct
- partition
- 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
-
- 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
- F02B75/00—Other engines
- F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
1420134 Liquid springs J H JARRET and J M B JARRET 12 Feb 1973 6741/73 Heading F2S [Also in Division F1] The free piston 3 partially defining a combustion chamber 4 of an I.C. engine is returned to a T.D.C. position from the B.D.C. position shown by expansion of the liquid in a chamber 9 defined between one end 8 of the cylinder 2 and a partition 7. A tubular partition extension 10 extends into a bore 11 in the piston 3 and a chamber 12 between the partition 7 and the piston 3 contains liquid at a pressure above atmospheric when the piston is at B.D.C. and below atmospheric at T.D.C. The chamber 12 communicates with a liquid reservoir through a duct 13 with a check valve 14 having a calibrated passage 15 and with the chamber 9 through a duct 17 containing non-return valves 16 and 18. In operation, at B.D.C. of the piston 3, the pressure in the chamber 9 may be 500 bars and the pressure in the chamber 12 may be 20 bars with the piston closing the duct 13. The duct 17 provides for the flow of make-up liquid to the chamber 9. The cylinder 2 may contain opposed pistons 3 and liquid from the chamber 9 may be fed to an hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB674173A GB1420134A (en) | 1973-02-12 | 1973-02-12 | Free piston internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB674173A GB1420134A (en) | 1973-02-12 | 1973-02-12 | Free piston internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1420134A true GB1420134A (en) | 1976-01-07 |
Family
ID=9819937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB674173A Expired GB1420134A (en) | 1973-02-12 | 1973-02-12 | Free piston internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1420134A (en) |
-
1973
- 1973-02-12 GB GB674173A patent/GB1420134A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |