GB181380A - Improvements in or relating to reciprocating steam engines - Google Patents
Improvements in or relating to reciprocating steam enginesInfo
- Publication number
- GB181380A GB181380A GB16123/22A GB1612322A GB181380A GB 181380 A GB181380 A GB 181380A GB 16123/22 A GB16123/22 A GB 16123/22A GB 1612322 A GB1612322 A GB 1612322A GB 181380 A GB181380 A GB 181380A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exhaust
- steam
- valve
- inlet valve
- piston
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B17/00—Reciprocating-piston machines or engines characterised by use of uniflow principle
- F01B17/02—Engines
- F01B17/04—Steam engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
181,380. Junod, P. June 10, 1921, [Convention date]. Engines working on special cycles. - In uniflow and other engines, the formation of a loop in the indicator diagram by the overcompression of residue steam on the return stroke of the piston is prevented by varying the timing of the inlet valve, and in some cases also of the exhaust valve, according to the pressure of the exhaust steam. The inlet valve is opened when the pressure of the residual steam is equal to that of the steam supply, and may be arranged to open either at the end of the return stroke or at the beginning of the working stroke, the residual steam in the latter case having expanded again to the pressure of the steam supply. The engine may be provided with independent gear for varying the cut-off. The valve gear h of the inlet valve is controlled through a link g and lever e by a piston b, which is acted on either directly or indirectly, by the pressure of the exhaust steam, against the action of a spring d. The valve gear i of the exhaust valve may also be controlled from the lever e. In the latter case, with low exhaust pressures the apparatus is so arranged that the control is effected primarily by varying the timing of the exhaust valve, while with high exhaust presssures the timing of the inlet valve is principally affected. For this purpose the inlet valve-gear may be adjustable, e.g. by means of a piston k, after the piston b has been adjusted to its full extent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH181380X | 1921-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB181380A true GB181380A (en) | 1923-04-12 |
Family
ID=4430749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16123/22A Expired GB181380A (en) | 1921-06-10 | 1922-06-10 | Improvements in or relating to reciprocating steam engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB181380A (en) |
-
1922
- 1922-06-10 GB GB16123/22A patent/GB181380A/en not_active Expired
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