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Buchli-Toggle drive with inner frame
The Buchli drive is a transmission system used in electric locomotives. It was named after its inventor, Swiss engineer Jakob Buchli. The drive is a fully spring-loaded drive, in which each floating axle has an individual motor, that is placed in the spring mounted locomotive frame. The weight of the driving motors is completely disconnected from the driving wheels, which are exposed to movement of the rails.
First used in electric locomotives from the 1920s, the Buchli drive made possible the construction of faster and more powerful locomotives that required larger and heavier traction motors. The system minimises the impact on rail tracks due to the reduction in the overall unsprung weight. Although the drive was very successful though the 1930s, it is little used in modern locomotives, having been replaced with smaller, simpler drives that exhibit less imbalance and allow higher speeds.
The Buchlidrive is a transmission system used in electric locomotives. It was named after its inventor, Swiss engineer Jakob Buchli. The drive is a fully...
Buchli is a surname. Notable people with the surname include: Jakob Buchli (1876–1945), Swiss engineer Buchlidrive, locomotive transmission system invented...
universal drive or SLM universal drive (German: Universal-Antrieb Winterthur) was a drive for electric locomotives invented by Swiss engineer Jakob Buchli at...
locomotives from the 1920s, the Buchlidrive was mainly used by the French SNCF and Swiss Federal Railways. The quill drive was also developed about this...
Oerlikon. The drive was not widely used because its competitor, the Buchlidrive, was cheaper and lighter. The Tschanz drive is a fully sprung drive, which means...
centre axle was fitted with a Buchlidrive and the third with Tschanz's own design of Tschanz drive. This Tschanz drive transmitted torque via a spur...
were the Buchlidrive (1918) named after him and used on the SBB Class Ae 4/7 amongst others, the Java bogie, the Winterthur universal drive and the duplex...
116 009, was finally retired. One technical feature is the Buchlidrive, in which the motors drive the driving wheels on one side only via outside gears;...
for each axle was achieved with a Buchlidrive on each axle. Unlike the original Swiss practice with a Buchlidrive on one end of the axle, the French...
Westinghouse, and two with Brown Boveri. The O1b locomotives used a Buchlidrive between the traction motors and the driving wheels. Double traction motors [de]...
original Swiss drive used a single Buchli gear on one side to drive each axle, the French locomotives used a double-sided drive with the Buchli gear duplicated...
Trial locomotive, Tatz drive E 16 1'Do1' Originally classified as ES 1, Buchlidrive E 16.5 1'Do1' Trial locomotive, Tatz drive E 17 1'Do1' E 18 1'Do1'...
railway system, points for funicular railways Jakob Buchli development of single-axle drive, Buchlidrive Bruno Hildebrand, founder and CEO of the Swiss Northeastern...
design, developed by Jakob Buchli, even used this for a driving axle, with the drive provided by a one-sided Buchlidrive outside the wheels. Roller bearings...
1925. These had four traction motors, one per axle, driving through Buchlidrives and following Swiss practice. They were considered to be more reliable...
2-6-2 high-pressure locomotive of 1927, designed by Buchli. This used a three-cylinder motor to drive the wheels through a 1:2.5 reduction gearbox, then...
the line between Santa Rosa and Sonoma in 1935. Santa Rosa's Montgomery Drive was built along the former railroad alignment, and some abandoned bridge...
main lines in Switzerland beyond 100 km/h prompted the SLM designer Jakob Buchli to improve the cornering of the electric locomotives. The Krauss-Helmholtz...
EpiVax. 2 August 2016. Hui DJ, Basner-Tschakarjan E, Chen Y, Davidson RJ, Buchlis G, Yazicioglu M, et al. (September 2013). "Modulation of CD8+ T cell responses...
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