B - Operations – Transporting – 61 – G
Patent
B - Operations, Transporting
61
G
B61G 11/12 (2006.01) B61G 9/08 (2006.01)
Patent
CA 2204100
A railcar cushioning device includes an elastomeric spring and a hydraulic shock absorber member. The fluid accumulator is located outside of and above the fluid chambers. The accumulator is in communication with the fluid chamber in a non-stroked position, causing entrapped air to be displaced by the fluid, into the accumulator. Free of air, the shock absorber immediately responds to impact forces. The elastomeric spring reduces peak impact forces and returns the piston of the shock absorber to its non-stroked position. The elastomeric spring also absorbs draft forces.
Un appareil amortisseur pour wagon de chemin de fer comprenant un ressort élastomérique et un amortisseur hydraulique. L'accumulateur de fluide est situé à l'extérieur et au-dessus des chambres de fluide. L'accumulateur est en communication avec la chambre de fluide en position non comprimée, ce qui force l'air emprisonné à pénétrer dans l'accumulateur sous l'effet du fluide. Exempt d'air, l'amortisseur réagit immédiatement aux forces d'impact. Le ressort élastomérique réduit les forces d'impact de pointe et ramène le piston de l'amortisseur à sa position non comprimée en plus d'absorber les forces de traction.
Goudreau Gage Dubuc
Miner Enterprises Inc.
LandOfFree
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