G - Physics – 01 – G
Patent
G - Physics
01
G
G01G 23/06 (2006.01) F16F 9/16 (2006.01) F16F 9/48 (2006.01) G01G 23/08 (2006.01)
Patent
CA 2312145
A damper for a weighing device including a cavity 4 in which a plate 12 can move, which plate is designed for being connected to a weight measuring device 2. The cavity 4 is closed tightly by a flexible membrane 14 and is partly filled with an oil, while leaving a volume of air or of a gas between the top 14a of the oil and the membrane 14, the plate 12 being totally immersed in the oil. The lower surface of the plate 12 and the bottom of the cavity 4 have shapes which are not planar and which are not parallel to each other, thus preventing the formation of a thin film of oil between them. The peripheral surface of the plate 12 and of the peripheral wall of the cavity 4 define therebetween a first constriction 15 of which the transverse section is constant whatever the position of the plate 12 in the cavity 4. The peripheral area 5 of the bottom of the cavity 4 and the peripheral area 12b of the lower surface of the plate 12 facing the bottom of the cavity 4, define together a second constriction 16 of which the transverse section varies depending on the position of the plate 12 inside the cavity 4.
Aumard Jean-Pierre
Navarro Jean-Claude
Robic
S.c.a.i.m.e S.a.
LandOfFree
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