GB930628A - Steam locomotive draught appliance - Google Patents
Steam locomotive draught applianceInfo
- Publication number
- GB930628A GB930628A GB432962A GB432962A GB930628A GB 930628 A GB930628 A GB 930628A GB 432962 A GB432962 A GB 432962A GB 432962 A GB432962 A GB 432962A GB 930628 A GB930628 A GB 930628A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plane
- chimney
- diffuser
- nozzle opening
- distance
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2700/00—Installations for increasing draught in chimneys; Specific draught control devices for locomotives
- F23L2700/001—Installations for increasing draught in chimneys
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
930,628. Blast apparatus for locomotives. A. GIESL-GIESLINGEN. Feb. 5, 1962 [Feb. 13, 1961], No. 4329/62. Class 51 (1). A draught appliance for steam locomotives having a chimney of elongated cross-section and including a divergent diffuser portion and one or more exhaust nozzle openings is characterized by the fact that the angle formed between the longitudinal central plane of the chimney and straight lines drawn in transverse planes at 90 degrees to the aforesaid plane and connecting the edge of the exhaust nozzle opening with any point of the chimney, decreases with growing distance of the point of contact from the plane of the nozzle opening only until said distance reaches a minimum of 1“ times or a maximum of twice the distance between the narrowest section of the chimney and the plane of the nozzle opening and that the said angle increases again with further growing distance of the point of contact from the plane of the nozzle opening. The diffuser portion is formed as a conoidal body characterized in that the relation i/d-1 for the diffuser lies between 6 and 7 to increase the diffuser losses by a controlled amount. In accordance with the principals of the invention the relationship a/c-b lays between 6 and 6.5. These proportions have the effect of minimising the reduction in the air supply occurring whenever the flow resistance through the fire bed increases as any diminution of the flow will bring about a notable compensatory action due to diminishing frictional and diffuser losses. Specifications 683,234 and 793,073 are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT119961A AT223647B (en) | 1961-02-13 | 1961-02-13 | Blowpipe system for steam locomotives |
Publications (1)
Publication Number | Publication Date |
---|---|
GB930628A true GB930628A (en) | 1963-07-03 |
Family
ID=3508747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB432962A Expired GB930628A (en) | 1961-02-13 | 1962-02-05 | Steam locomotive draught appliance |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT223647B (en) |
GB (1) | GB930628A (en) |
-
1961
- 1961-02-13 AT AT119961A patent/AT223647B/en active
-
1962
- 1962-02-05 GB GB432962A patent/GB930628A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT223647B (en) | 1962-10-10 |
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