F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 15/027 (2006.01) F16F 9/04 (2006.01) G10K 11/175 (2006.01)
Patent
CA 2239981
In the active pneumatic mount disclosed herein, a bellows or othe flexible sealing means (29) is utilized for containing a volume of pressurized gas which supports the weight of the equipment which is to be isolated. Within the pressurized volume is a means defining a chamber (30) having an opening for receiving an acoustic transducer (45). An acoustic transducer (45) is mounted in that opening for generating, in the pressurized volume, oscillatory pressure variations which reduce dynamic pressure variations induced by the vibrations which are to be blocked. The space within the chamber (43) is vented to the pressurized volume (30), thereby to equalize the static pressure in the space.
L'invention concerne un support pneumatique actif qui, par l'intermédiaire d'un soufflet ou d'autre joint flexible (29), permet de mettre sous pression un volume de gaz afin de soutenir le poids de tel ou tel équipement à isoler sur la structure. A l'intérieur du volume sous pression, on définit une chambre (30) dotée d'une ouverture dans laquelle s'adapte un transducteur acoustique (45). L'implantation d'un transducteur acoustique (45) dans cet orifice permet d'engendrer, à l'intérieur du volume sous pression, des variations oscillatoires de pression qui réduisent les variations de pression dynamique induites par les vibrations à bloquer. L'espace matérialisé par la chambre (43) est mis à la pression du volume sous pression (30), ce qui a pour effet d'égaliser la pression statique dans l'espace proprement dit.
Bolt Beranek And Newman Inc.
R. William Wray & Associates
Verizon Corporate Services Group Inc.
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