CH420244A - Ventilation grille for guiding the cooling air in separately ventilated machines and devices in electric traction vehicles - Google Patents
Ventilation grille for guiding the cooling air in separately ventilated machines and devices in electric traction vehiclesInfo
- Publication number
- CH420244A CH420244A CH426965A CH426965A CH420244A CH 420244 A CH420244 A CH 420244A CH 426965 A CH426965 A CH 426965A CH 426965 A CH426965 A CH 426965A CH 420244 A CH420244 A CH 420244A
- Authority
- CH
- Switzerland
- Prior art keywords
- ventilation grille
- blades
- grille
- devices
- cooling air
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Ventilation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
Lüftungsgitter für die Kühlluftführung bei fremdbelüfteten Maschinen und Geräten in elektrischen Triebfahrzeugen Bei elektrischen Triebfahrzeugen, insbesondere Lokomotiven, mit fremdbelüfteten Maschinen und Geräten, wird meistens die erwärmte Luft durch ein Lüftungsgitter am Dach des Fahrzeuges ins Freie ausgeblasen. Diese Gitter müssen so ausgeführt wer den, dass Tropfwasser oder auch Fremdkörper nicht in die Abluftkanäle eindringen können und bis jetzt wurde dies nur mit Gitterkonstruktionen erreicht, die eine komplizierte mehrfache Umlenkung der Ab luft und demzufolge auch einen wesentlichen Druck abfall bewirken.
Der Zweck der Erfindung ist nunmehr, ein Lüftungsgitter zu schaffen, bei welchem das Eindrin gen von Tropfwasser verhindert wird, jedoch mit nur einem sehr kleinen Druckabfall im Gitter. Ge mäss der Erfindung wird dies dadurch erreicht, dass das Gitter aus stehend angeordneten gewölbten Schaufeln besteht, an deren unterem Ende auf der Konkavseite und auf halber Höhe auf der Konvex seite eine entlang der Schaufel verlaufende Rinne angebracht ist und der gegenseitige Abstand der Schaufeln so bemessen ist, dass die Rinnen benach barter Schaufeln sich überdecken.
Nachstehend sei die Erfindung an Hand eines Ausführungsbeispieles näher erläutert.
In den Fig. 1 und 2 ist ein auf dem Dach einer Lokomotive angeordnetes Lüftungsgitter in An sicht bzw. Draufsicht gezeigt, während die Fig. 3 das Gitter in vergrössertem Massstab ihn Schnitt veran schaulicht.
Das Gitter besteht aus einer Anzahl schwach gewölbter stehender Schaufeln 1, an deren unterem Ende auf der Konkavseite eine Rinne 2 angebracht ist. Auf der Konvexseite jeder Schaufel 1 ist auf etwa halber Höhe eine weitere Rinne 3 vorgesehen. Der gegenseitige Abstand der Schaufeln 1 wird so gewählt, dass die untere Rinne 2 der einen Schaufel durch die obere Rinne 3 der benachbarten Schaufel überdeckt wird. Die Rinnen 2, 3 münden in Endplat- ten 4 ein, die als Abwasserkanäle ausgeführt sind und gleichzeitig zur Fixierung der Schaufeln 1 die nen.
Mit dem Lüftungsgitter gemäss der Erfindung wird der Regen oder Schnee, je nach Neigungs winkel, entweder von der oberen Rinne 3 oder der unteren Rinne 2 aufgefangen oder aber bei senk recht auftreffendem Tropfwasser von beiden, so dass ein direktes Hindurchtropfen selbst bei starken Re- genfällen unmöglich ist. Gleichzeitig ist der Druck abfall der Austrittsluft infolge der sehr kleinen Ab lenkung durch die Schaufeln 1 und die Rinnen 2, 3 sehr gering. Gegenüber dem bisher bekannten Lüf tungsgitter mit mehrmaliger starker Umlenkung der Abluft innerhalb des Gitters wird der Druckabfall um mindestens die Hälfte vermindert.
Wird das Lüftungsgitter ausserhalb der Fahrzeug längsachse angeordnet, d. h. gegenüber der in Fig. 1 gezeigten Lage seitlich verschoben, so können die Abwasserkanäle 4 das vorhandene Dachgefälle noch ausnutzen.
Ventilation grille for routing the cooling air in externally ventilated machines and devices in electric traction vehicles In electric traction vehicles, especially locomotives, with externally ventilated machines and devices, the heated air is usually blown out through a ventilation grille on the roof of the vehicle. These grids must be designed in such a way that dripping water or foreign bodies cannot penetrate the exhaust air ducts and so far this has only been achieved with grid structures that cause a complicated multiple deflection of the exhaust air and consequently also cause a significant drop in pressure.
The purpose of the invention is now to create a ventilation grille in which the penetration conditions of dripping water is prevented, but with only a very small pressure drop in the grille. According to the invention, this is achieved in that the lattice consists of upright arched blades, at the lower end of which on the concave side and halfway up on the convex side a groove running along the blade is attached and the mutual spacing of the blades is so dimensioned is that the grooves of adjacent blades overlap.
The invention is explained in more detail below using an exemplary embodiment.
1 and 2, a ventilation grille arranged on the roof of a locomotive is shown in view or plan view, while FIG. 3 shows the grille on an enlarged scale, showing it section.
The grid consists of a number of slightly curved upright blades 1, at the lower end of which a channel 2 is attached on the concave side. On the convex side of each blade 1, another channel 3 is provided at approximately half the height. The mutual spacing of the blades 1 is chosen so that the lower channel 2 of one blade is covered by the upper channel 3 of the adjacent blade. The channels 2, 3 open into end plates 4, which are designed as sewers and at the same time serve to fix the blades 1.
With the ventilation grille according to the invention, the rain or snow, depending on the angle of inclination, is caught either by the upper gutter 3 or the lower gutter 2 or by both of them in the case of vertical dripping water, so that a direct drip through even with heavy rainfalls is impossible. At the same time, the pressure drop in the outlet air due to the very small deflection from the blades 1 and the channels 2, 3 is very low. Compared to the previously known ventilation grille with repeated strong deflection of the exhaust air within the grille, the pressure drop is reduced by at least half.
If the ventilation grille is arranged outside the longitudinal axis of the vehicle, d. H. laterally displaced compared to the position shown in FIG. 1, the sewers 4 can still use the existing roof slope.
Claims (1)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH426965A CH420244A (en) | 1965-03-26 | 1965-03-26 | Ventilation grille for guiding the cooling air in separately ventilated machines and devices in electric traction vehicles |
| DEA49203A DE1207954B (en) | 1965-03-26 | 1965-05-13 | Ventilation grille for the cooling air duct in externally ventilated machines and devices in electric traction vehicles |
| DEA23812U DE1962960U (en) | 1965-03-26 | 1965-05-13 | VENTILATION GRILLE FOR THE COOLING AIR CONDUCTION IN FORCED VENTILATION MACHINERY AND EQUIPMENT IN ELECTRIC TRAINING VEHICLES. |
| FR54784A FR1473530A (en) | 1965-03-26 | 1966-03-24 | Ventilation grille for the cooling air duct of machines and devices with separate air cooling circuits in self-propelled electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH426965A CH420244A (en) | 1965-03-26 | 1965-03-26 | Ventilation grille for guiding the cooling air in separately ventilated machines and devices in electric traction vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH420244A true CH420244A (en) | 1966-09-15 |
Family
ID=4272947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH426965A CH420244A (en) | 1965-03-26 | 1965-03-26 | Ventilation grille for guiding the cooling air in separately ventilated machines and devices in electric traction vehicles |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH420244A (en) |
| DE (2) | DE1962960U (en) |
| FR (1) | FR1473530A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1583995A (en) * | 1976-06-05 | 1981-02-04 | Colt Int Ltd | Ventilators |
-
1965
- 1965-03-26 CH CH426965A patent/CH420244A/en unknown
- 1965-05-13 DE DEA23812U patent/DE1962960U/en not_active Expired
- 1965-05-13 DE DEA49203A patent/DE1207954B/en active Pending
-
1966
- 1966-03-24 FR FR54784A patent/FR1473530A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1962960U (en) | 1967-06-29 |
| DE1207954B (en) | 1965-12-30 |
| FR1473530A (en) | 1967-03-17 |
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