F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 13/10 (2006.01) F16F 9/52 (2006.01) F16F 13/24 (2006.01)
Patent
CA 2606976
A vibration isolator for connecting a first body and a second body includes a housing having a first chamber (22) , a second chamber (26) , and a port (24) connecting the first chamber (22) to the second chamber (26) and permitting fluid (34) to flow between the first chamber (22) and the second chamber (26). The first and second chambers (22), (26) and the port (24) defining a fluid reservoir (27) . The isolator (10) includes a gas-to-fluid accumulator (30) in fluid communication with the fluid reservoir (27) through a first one-way valve (140) and a second one-way valve (142) . The first one-way valve (140) allows fluid (34) to pass only from the fluid reservoir (27) to the accumulator (30) and the second one-way valve (142) allows fluid (34) to pass only from the accumulator (30) to the fluid reservoir (27). At least one of the first and second one-way valves (140), (142) being preloaded to a predetermined force to permit fluid flow through the at least one-way valve (140), (142) only when fluid pressure exceeds the predetermined force.
L~invention concerne un antivibrateur destiné à relier un premier corps à un second corps qui comprend un logement ayant une première chambre (22), une seconde chambre (26) et un orifice (24) reliant la première chambre (22) à la seconde chambre (26) et permettant la circulation de fluides entre la première chambre et la seconde chambre. Les première et seconde chambres et le port définissent un réservoir de fluides (27). L~antivibrateur comprend un accumulateur gaz-fluides (30) en communication fluidique avec le réservoir de fluides (27) via un premier clapet antiretour et un second clapet antiretour (36). Le premier clapet antiretour permet la circulation de fluides uniquement depuis le réservoir de fluides vers l~accumulateur et le second clapet antiretour permet la circulation de fluides uniquement depuis l~accumulateur vers le réservoir de fluides. Au moins l~un des premier et second clapets antiretour est préchargé d~une force prédéterminée pour permettre la circulation de fluide à travers l~au moins un clapet antiretour uniquement lorsque la pression du fluide dépasse la force prédéterminée.
Lee Taeoh
Smith Michael Reaugh
Stamps Frank Bradley
Bell Helicopter Textron Inc.
Graham Lorelei G.
LandOfFree
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