SE8604550D0 - DEVICE FOR KEEPING ROOKS WITHOUT SNOW - Google Patents
DEVICE FOR KEEPING ROOKS WITHOUT SNOWInfo
- Publication number
- SE8604550D0 SE8604550D0 SE8604550A SE8604550A SE8604550D0 SE 8604550 D0 SE8604550 D0 SE 8604550D0 SE 8604550 A SE8604550 A SE 8604550A SE 8604550 A SE8604550 A SE 8604550A SE 8604550 D0 SE8604550 D0 SE 8604550D0
- Authority
- SE
- Sweden
- Prior art keywords
- air exhaust
- snow
- track
- rooks
- keeping
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Air-Flow Control Members (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
An apparatus to keep railway switches free from snow comprises at least one air exhaust device (2,4) located outside the track area, at one side of the track. The air exhaust device includes at least one box-like elongated air exhaust element (2,4) which is fed from a fan and extends substantially in parallel to the tracks. The air exhaust element is constructed with a gap-shapedexhaust opening (16) which runs mainly over its entire length and is directed towards the track area in order to generate thereover a substantially horizontalair curtain above the rails. Fig. 3.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8604550A SE459867B (en) | 1986-10-24 | 1986-10-24 | DEVICE FOR MAINTAINING TRAFFIC EXCHANGE FREE FROM SNOW |
DE19873734839 DE3734839A1 (en) | 1986-10-24 | 1987-10-14 | Device for keeping railway points free of snow |
FI874568A FI82962C (en) | 1986-10-24 | 1987-10-16 | Device for keeping train gears free of snow |
CA000549441A CA1292799C (en) | 1986-10-24 | 1987-10-16 | Apparatus to keep railway switches free from snow |
NO874431A NO163460C (en) | 1986-10-24 | 1987-10-23 | DEVICE FOR AA KEEP BRANDS FOR RAILWAYS FREE OF SNOW. |
AT0281387A AT389129B (en) | 1986-10-24 | 1987-10-23 | DEVICE FOR KEEPING THE RAILWAY SWITCHES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8604550A SE459867B (en) | 1986-10-24 | 1986-10-24 | DEVICE FOR MAINTAINING TRAFFIC EXCHANGE FREE FROM SNOW |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8604550D0 true SE8604550D0 (en) | 1986-10-24 |
SE8604550L SE8604550L (en) | 1988-04-25 |
SE459867B SE459867B (en) | 1989-08-14 |
Family
ID=20366063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8604550A SE459867B (en) | 1986-10-24 | 1986-10-24 | DEVICE FOR MAINTAINING TRAFFIC EXCHANGE FREE FROM SNOW |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT389129B (en) |
CA (1) | CA1292799C (en) |
DE (1) | DE3734839A1 (en) |
FI (1) | FI82962C (en) |
NO (1) | NO163460C (en) |
SE (1) | SE459867B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0800655D0 (en) * | 2008-01-15 | 2008-02-20 | Portec Rail Products Inc | Apparatus for de-icing a rail of a railway track |
-
1986
- 1986-10-24 SE SE8604550A patent/SE459867B/en not_active IP Right Cessation
-
1987
- 1987-10-14 DE DE19873734839 patent/DE3734839A1/en not_active Withdrawn
- 1987-10-16 CA CA000549441A patent/CA1292799C/en not_active Expired - Lifetime
- 1987-10-16 FI FI874568A patent/FI82962C/en not_active IP Right Cessation
- 1987-10-23 NO NO874431A patent/NO163460C/en unknown
- 1987-10-23 AT AT0281387A patent/AT389129B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO874431D0 (en) | 1987-10-23 |
FI82962C (en) | 1991-05-10 |
ATA281387A (en) | 1989-03-15 |
DE3734839A1 (en) | 1988-05-05 |
NO163460B (en) | 1990-02-19 |
SE8604550L (en) | 1988-04-25 |
NO874431L (en) | 1988-04-25 |
AT389129B (en) | 1989-10-25 |
SE459867B (en) | 1989-08-14 |
FI874568A (en) | 1988-04-25 |
FI874568A0 (en) | 1987-10-16 |
NO163460C (en) | 1990-05-30 |
FI82962B (en) | 1991-01-31 |
CA1292799C (en) | 1991-12-03 |
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