Pneumatic propulsion system for car and passenger vehicles

Details Pneumatic propulsion system for car and passenger vehicles Pneumatic propulsion system for car and passenger vehicles

1980-09-26

1986-05-13

Love, John J.

Railways

Car-carried propulsion system

Pneumatic

104161, B60U 304, B61B 1308

Patent

active

045879060

ABSTRACT:
A system for propelling vehicles for carrying passengers or cargo comprises a longitudinal duct, having a slit at the top and a pair of rails or tracks. A vehicle is provided to run on the tracks and has a fin which projects into the duct to substantially fill the same. Differential air pressure is applied to the duct to cause the fin to move along the duct and carry the vehicle with it. The duct may include several stations with means to produce differential air pressure between the separate stations. A braking device operates to apply brakes when the pressure on both sides of the fin is substantially the same. Preferably the vehicle contains no internal control for the fin or air pressure so that it can be controlled from the outside by the device for forwarding the differential air pressure.

REFERENCES:
patent: 44376 (1864-09-01), Alison & Halliwell
patent: 381401 (1888-04-01), Mayall
patent: 403729 (1889-05-01), Bodefeld
patent: 409769 (1889-08-01), Bodefeld
patent: 680843 (1901-08-01), Comstock
patent: 3019813 (1962-02-01), Dommann
patent: 3438337 (1969-04-01), Edwards
patent: 3522773 (1970-08-01), Edwards
patent: 3722424 (1973-03-01), Van Veldhuizen
patent: 3771463 (1973-11-01), Smoot et al.
patent: 3999487 (1976-12-01), Valverde
patent: 4240599 (1980-12-01), Hammond
patent: 4266273 (1981-05-01), Dobler et al.

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