Railways – Tubular way – Internal service device
Patent
1983-01-07
1985-04-23
Reeves, Robert B.
Railways
Tubular way
Internal service device
104247, 244 52, 244113, B61B 1310, B61F 900, B64C 932
Patent
active
045122580
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The inventions herein involve the developing field of high speed transportation within a tubular transit system. To obtain the tractive force necessary for high speed, it is essential to increase the product of the coefficient of friction between ground surface and the tractive wheel, and the load carried by the wheel. In the area of engineering, the coefficients of friction of various tire compounds and simple increases in the load upon the tractive wheels have been ineffective in meeting increased demands for traction. Added weight sacrifices cargo capacity. An increase of the effective load on the wheels by other means than simple addition of weight was needed. To meet this need, a method of providing increased downward force on the driving wheels was invented. The method described herein consists of placing the wheel driven vehicle within a tubular passage, equipping it with a set of axially mounted wheels and applying hydraulic pressure to press all of the wheels outwardly with equal force against the inside surface of the tube. In this manner, speed of 500 km/h can be achieved within the tube. Safety is enhanced by way of an improved braking system, of the baffle plate type. High speed curves may be negotiated by use of the inventor's newly invented vertical stabilization system.
BACKGROUND ART
American success in the return of the space shuttle "Columbia" from outer space in April 1981 and later three successful attempts confirming its practicability have affected various worldly activities. Until her rival succeeds in producing a man-carrying shuttle, she will continue to hold an unrivalled position in the space. However, on the global scale, the Soviet Union has accumulated more ICBM's than U.S.A. According to the publication of the Department of Defense of U.S.A., the following figures are given for 1981.
It is now realized that in order to narrow the gap of these figures, much effort is being required on the part of the former. As ground superiority is held by the latter, it is now of utmost importance for the United States to have an underground advantage over the U.S.S.R. A high speed underground transportation system will be able to cope with this situation. When the overland traffic system is damaged by ICBM attack, an underground back-up system could be deployed so that the economic activities of the country could be maintained. For this purpose, at least a speed of 500 km/h is desirable. Such speeds are possible with the systems and methods described below.
DISCLOSURE OF THE INVENTION
A high speed underground transport system was suggested more than ten years ago by the present inventor and has been patented in Japan (eight patents including No. 686,545), U.S. Pat. No. 3,508,497, England (No. 1,207,563), France (No. 1,479,115), West Germany (No. 1,755,922) and U.S.S.R. (No. 2,880,358). Since then, new technical advances have been made in various fields with the result that this project can be more easily realized. New advances have been made in tunnel construction. Shield construction now includes a ribbon screw system utilizing a micro computer and a mud pressure shield system, resulting in a high degree of safety and speed. There are advanced techniques in computer designs which assist in the efficient operation of oil-pressure mechanisms. In New York, a water tunnel brings water a distance of 160 km from the Catskill Mountains which will be completed in 1990. A 370 km tunnel project from Chzechoslovakia of Eastern Europe, extending under Austria to the Adrian Coast of South Yugoslavia, has already been approved by the three governments concerned. In view of the new technology available, the invention registered more than ten years ago now requires some changes.
The inventions described herein are designed to overcome a number of problems previously associated with high speed wheel driven vehicles. In conventional high speed transportation by rail, the maximum speed attainable was thought to be between 300 km/h and 380 km/h. An important limitation on the speeds ob
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Hubbuch David F.
Reeves Robert B.
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