F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 1/22 (2006.01) F02D 9/10 (2006.01)
Patent
CA 2458184
The invention relates to a butterfly valve connection piece for an internal combustion engine, comprising a housing (1) and a throughflow opening (2) of said housing (1), in which a butterfly valve (7) is pivotably arranged around a pivotable axis extending in a perpendicular manner with respect to the longitudinal axis (9) of the throughflow opening (2), the butterfly valve is used to close the throughflow opening (2). When in a closed position, the butterfly valve (7) is inclined at a defined setting angle (10) in relation to the longitudinal axis (9) of the throughflow opening (2). The radial peripheral edge (8) thereof rests against the inner wall of the throughflow opening (2) and the throughflow opening (2) has a cylindrical shape at least in the region where the butterfly valve (7) comes to rest. The cylindrical region of rest in relation to the longitudinal axis (9) of the throughflow opening (2) forms a circular cylinder (17) which is cut on both sides at a certain angle, whereby the levels of the cut are inclined at a similar angle (10) in relation to the longitudinal axis (9) of the throughflow opening (2) and the butterfly valve (7) when arranged in a closed position.
Tubulure de papillon des gaz pour un moteur à combustion interne, qui comporte un boîtier (1) et un passage d'écoulement (2) ménagé dans ledit boîtier (1), passage d'écoulement (2) dans lequel un papillon des gaz (7) est placé pivotant autour d'un axe de pivotement qui s'étend transversalement à l'axe longitudinal (9) du passage d'écoulement (2), ledit papillon des gaz pouvant fermer le passage d'écoulement (2). Dans sa position de fermeture, le papillon des gaz (7) est incliné selon un angle déterminé (10) par rapport à l'axe longitudinal (9) du passage d'écoulement (2). Le bord circonférentiel radial (8) vient prendre appui contre la paroi interne du passage d'écoulement (2) et le passage d'écoulement (2) possède une forme cylindrique, tout au moins dans la zone d'appui du papillon des gaz (7). La zone d'appui cylindrique par rapport à l'axe longitudinal (9) du passage d'écoulement (2) forme un cylindre circulaire (17) dépouillé de chaque côté selon un certain angle, dont les plans de coupe sont inclinés selon un angle (10) au moins environ identique, par rapport à l'axe longitudinal (9) du passage d'écoulement (2), à celui du papillon des gaz (7) se trouvant en position de fermeture.
Kohlen Peter
Oppermann Rolf
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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