Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent
1985-06-17
1987-10-06
Butler, Douglas C.
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
92 98R, 92103R, 92103F, 138 30, 267 6427, 267122, F16F 904, F16F 908
Patent
active
046976744
ABSTRACT:
An oleoelastic energy accumulator includes a rigid casing, at least one membrane of a polymeric material having a high deformability, and a liquid. The membrane has a curvilinear form, e.g., convex, toward the inside of the casing to the borders of which the membrane is tightly sealed for delimiting or defining a closed space occupied by the liquid. In correspondence with the pressure variations in the liquid, the membrane acts like a piston and passes from an at-rest, curvilinear configuration, to a final substantially flat configuration as a result of gradual and successive compression of the membrane which, in this manner, accumulates energy.
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Butler Douglas C.
Industrie Pirelli S.p.A
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