Spring devices – Vehicle – Compound
Patent
1992-05-18
1992-12-15
Halvosa, George E. A.
Spring devices
Vehicle
Compound
180312, 248562, 248566, 248575, 248636, 267 6428, 26714012, 267219, F16F 1300, B60G 1162
Patent
active
051709970
ABSTRACT:
A resilient pressurized fluid articulation is disclosed which has variable stiffness, i.e. whose stiffness may be modified at will under the influence of an external agent. The articulation includes a resilient material block (5, 5a; 15, 15a) mounted between rigid bearing surfaces of a structure (7, 7a, 7b, 7c) which contains it. At least two of these surfaces of the block are movable with respect to each other in at least one direction, under the action of external forces acting in this direction. The resilient material block (5, 5a; 15, 15a) defines in the structure at least one chamber (3) adapted to be fed with pressurized fluid through a duct (2) opening to the outside. The block (3) also comprises at least one part (18, 18a) which is deformable under the effect of the pressure, deformation of the part then modifying the stiffness of the block in the direction.
REFERENCES:
patent: 2926011 (1960-02-01), Slemmons et al.
patent: 4705410 (1987-11-01), Broock
patent: 4790520 (1988-12-01), Tanaka et al.
patent: 4840359 (1989-06-01), Hamaekers et al.
patent: 4861005 (1989-08-01), Bausch
patent: 4953833 (1990-09-01), Schmidt et al.
Patent Abstracts of Japan, vol. 10, No. 146 (M-482) (2203) May 28, 1985 and JP-A-61 2934 (Honda) Jan. 8, 1986.
Dubos Daniel
Girard Andre
Halvosa George E. A.
Hutchinson
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