Brakes – Operators – Electric
Patent
1997-10-10
2000-05-16
Nguyen, Kien T.
Brakes
Operators
Electric
188164, 472131, B60L 728
Patent
active
060623500
DESCRIPTION:
BRIEF SUMMARY
The invention concerns a device for the public amusement with the characteristic in the main claim.
A such amusement device is know from the U.S. Pat. No. 1,827,162 in form of a tram way. In the practice such amusement devices are known also in different other designs, for examples as roller coaster, drop devices, ramp rides, loopings or that sort of thing. They have fixed and relative to it, movable deviced parts in which normally the movable parts are built as passenger carrier and the fixed device parts as framework, ride lane or that kind of thing. The amusement devices have a brake gear with that the movable device parts are braked down and if necessary are brought to a standstill. The U.S. Pat. No. 1,827,162 shows a mechanical working friction brake that for example is built as double jaw brake. Here are working movable brake grippers, which are placed on both sides in the ride line, on a central brake sword at the vehicle. For the operation are necessary brake drives and a control system. In addition the brake grippers have a considerable wear and tear and have to be replaced regular. The brake gear have need to a frequent and intensive monitoring and maintenance.
In other untypical areas of the technology eddy current brakes are known in different designs. The DE-C-36 02 612 shows a rotatory eddy current brake for the use in the wheel hub of trucks. According to the literary reference "Prinzip, Entwicklung und Konstruktion der linearen Wirbelstrombremsen" in ZEV-Glas. Ann. 109 (1985) Nr. 9 September, pages 368 to 374 and the DE-A-37 43 934 eddy current brakes are also used in high speed trains like the ICE. An induction brake for magnetic levitation vehicles shows the DE-U-94 06 330. A switchable permanent-magnetic brake for rail vehicles is shown in the DE-A-29 31 539 and the EP-A-00 57 778. Fixed permanent magnets are here combined with mechanical moved permanent magnets to switch on and off the braking effect. In all these fields of application it concerns brakes for vehicles with their own drive and a voltage supply. At amusement devices often this does not exist.
It is the purpose of the here available invention to present a better brake gear for amusement devices.
The invention solves this purpose with the characteristic in the main claim. In consideration to the invention the brake gear is designed as eddy current brake. An eddy current brake is resistant to abrasion, mechanical robust, immune from interference and largely insensitive to external influences. It needs considerably less monitoring-, maintenance- and adjusting-work as a mechanical friction brake. It works more reliably and has decisive advantages by the failure security and the accident security. In addition are necessary neither brake drives nor control- nor operating devices, at least in the simple design. The dispensability of brake drives is certainly an advantage for amusement devices where the vehicles are driven by gravity and that do not have a motor and a voltage supply.
The characteristic of the eddy current brake can be influenced in a wide range and can be adjusted optimal to the prevailing application as well as to the kind of amusement device. For that different brake parameters are available that can be combined and adjusted in their effects. The adjusting possibilities are greater and the necessary work is smaller than with a mechanical brake.
Especially can be attained an ergonomically better and basically constant brake pressure. The jerk occurs at the beginning of the brake phases. The graduating of the coating and the linear arising overlapping of conducting part and energizing part affects a especially favourable stabilization of the jerk.
The build-up time of the eddy current brake is permanent adjustable and is hardly subject to external environment condition like humidity, temperature, etc. For that reason the braking effect is basically constant even with the changing operation conditions.
According to the invention the eddy current brake is preferably designed as linear brake that is developing the bra
REFERENCES:
patent: 2221215 (1940-11-01), Everly
patent: 3625317 (1971-12-01), Baermann
patent: 3723795 (1973-03-01), Baermann
patent: 3837442 (1974-09-01), Baermann
patent: 4482034 (1984-11-01), Baermann
Rosner Peter
Saiko Alfons
Spieldiener Patrick
Spieldiener Reinhold
Spieldiener Robert
Nguyen Kien T.
Saiko Alfons
Spieldiener Patrick
Spieldiener Reinhold
Spieldiener Robert
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