GB180628A - Improvements in exhaust steam injectors - Google Patents
Improvements in exhaust steam injectorsInfo
- Publication number
- GB180628A GB180628A GB571/22A GB57122A GB180628A GB 180628 A GB180628 A GB 180628A GB 571/22 A GB571/22 A GB 571/22A GB 57122 A GB57122 A GB 57122A GB 180628 A GB180628 A GB 180628A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steam
- cone
- nozzle
- exhaust
- supply
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/469—Arrangements of nozzles for steam engines
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
180,628. Metcalfe, R. D., and Metcalfe, J. C. May 24, 1921, [Convention date]. Giffard injectors. - Relates to exhaust steam injectors for steam boilers normally employing exhaust steam at atmospheric pressure as the inducing fluid, but operable also by live steam throttled down to that pressure. Exhaust steam flows through a valve f, that may be closed by a handle-operated cam i, to the steam nozzle e, water cone d, and the diffuser consisting of a combining cone b with self-starting flap c and a delivery cone a. Live steam at boiler pressure to assist the exhaust supply enters by a steam nozzle j. There is also a supply, through the pipe k, of live steam throttled to atmospheric pressure that enters an annular passage n and issues by a ring o of nozzle-like apertures p into the main steam nozzle e, an outlet m serving to prevent formation of a vacuum around the valve f. Steam also diffuses into the injector through the space between the ring o and the face of the throttled steam supply passage k, and a supplementary supply is provided by a passage q to become operative between the water cone d and the combining cone b in series with the steam passing through the main steam cone.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US180628XA | 1921-05-24 | 1921-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB180628A true GB180628A (en) | 1922-11-30 |
Family
ID=21786038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB571/22A Expired GB180628A (en) | 1921-05-24 | 1922-01-07 | Improvements in exhaust steam injectors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB180628A (en) |
-
1922
- 1922-01-07 GB GB571/22A patent/GB180628A/en not_active Expired
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