Railroad switch snow deflecting air nozzle apparatus

Details Railroad switch snow deflecting air nozzle apparatus Railroad switch snow deflecting air nozzle apparatus

1986-12-23

1987-09-22

Reese, Randolph A.

Railway switches and signals

Switches

Snow protected

239552, 239568, E01B 700

Patent

active

046950176

ABSTRACT:
A railroad switch, snow deflecting apparatus is described in which air is fed through conduits to primary nozzles for directing air along the rails and towards the switch points to a position adjacent the apex of the switch. Secondary nozzles are spaced from the primary nozzles and behind the switch points so as to direct air along and between movable rails of the railway switch, and in the same direction as air from the primary nozzles to maintain the railway switch operationally free of snow.

REFERENCES:
patent: 1778637 (1930-10-01), Hollinger
patent: 1803358 (1931-05-01), Schumann
patent: 2898062 (1959-08-01), Magnus
patent: 3223835 (1965-12-01), Cherry et al.
patent: 3697746 (1972-10-01), Patterson et al.
patent: 3972497 (1976-08-01), Ringer
patent: 4043397 (1977-08-01), Glowienke
patent: 4081161 (1978-03-01), Upright
Railroad Track Switch Heaters, received 10/12/82, Spectrum Infrared, Inc.

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