F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 53/16 (2006.01) H02K 5/24 (2006.01)
Patent
CA 2394287
The invention relates to a system consisting of a motor/pump unit (1) and a soundproofing cover (9). The latter insulates the sound of the air which emanates from the motor/pump unit. However, for the mechanical vibration which emanates from the motor/pump unit, the soundproofing cover acts in the same way as the membrane of a loudspeaker. In order to additionally insulate said mechanical vibration, the soundproofing cover is configured as a soundproofing hood (9) which covers the motor/pump unit during the operation of the latter without making contact. During transport, the soundproofing hood and the motor/pump unit are supported against one another.
L'invention concerne un dispositif comprenant un groupe motopompe (1) et un élément de recouvrement (9). Ce dernier amortit le bruit aérien produit par le groupe motopompe, mais fait office de membrane de haut-parleur pour le bruit de structure produit par le groupe motopompe. Pour amortir également le bruit de structure, l'élément de recouvrement se présente sous la forme d'un capot d'isolation acoustique (9) qui, lors du fonctionnement du groupe motopompe, est placé au-dessus de ce dernier, de manière à ne pas le toucher. Pendant le transport, le capot d'isolation acoustique et le groupe motopompe prennent appui l'un sur l'autre.
Dantlgraber Jorg
Knollinger Ernst
Bosch Rexroth Ag
Fetherstonhaugh & Co.
Mannesmann-Rexroth Ag
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