Brakes – Internal-resistance motion retarder – Controlled by an operator remote from retarder
Patent
1998-07-30
1999-09-14
Oberleitner, Robert J.
Brakes
Internal-resistance motion retarder
Controlled by an operator remote from retarder
188319, 18832215, 280 5515, 280707, 280714, 1375992, 25112915, F16F 946
Patent
active
059507764
ABSTRACT:
An apparatus and method for controlling damping force characteristics of respective vehicular shock absorbers in which vehicular vertical behavior(s) at the position(s) of the vehicular body which are forward by a predetermined distance from a tread of rear left and right road wheels are determined, the positions including front left and right road wheel sides, and corresponding vertical behavior signals are derived. Control signals for front left and right and rear left and right road wheel side shock absorbers are formed on the basis of respective processed signals having frequency-dependent characteristics formed from the vehicular behavior signal(s). The damping force characteristics of front left and right road wheel side shock absorbers are controlled on the basis of the control signals formed on the basis of the processed signal based on the front left and right road wheel vehicular behavior signals. Those of rear left and right road wheel side shock absorbers are controlled on the basis of the control signals formed on the basis of the processed signals based on the front position vehicular vertical behavior signal at the position forward from the tread between the rear left and right road wheels. The phases of the control signals V are generally matched with vehicular behavior velocity signals which would actually be generated at rear road wheel arranged positions of the vehicle.
REFERENCES:
patent: 4402527 (1983-09-01), Kakehi et al.
patent: 4813705 (1989-03-01), Hagen et al.
patent: 4854429 (1989-08-01), Casey
patent: 5328202 (1994-07-01), Kakizaki
patent: 5365432 (1994-11-01), Kakizaki et al.
Iwasaki Katsuya
Sasaki Mitsuo
Oberleitner Robert J.
Unisia Jecs Corporation
Yeagley Daniel
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