F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/17
F04D 3/02 (2006.01) F01C 1/02 (2006.01) F01C 17/06 (2006.01)
Patent
CA 2025615
-30- The present invention discloses a durable rotation preventing/thrust bearing device for use in an orbiting member fluid displacement apparatus. The rotation preventing/thrust bearing device includes a discrete fixed portion, a discrete orbital portion and bearing elements. The fixed portion includes a first race and first ring both of which are formed separately. The first race is placed in a first groove in an inner surface of the housing and the first ring is attached to the housing. The orbital portion includes a second race and second ring both of which are formed separately. The second race is placed in a second groove in an end plate of the orbiting member and the second ring is attached to the end plate of the orbiting member. A plurality of pockets of the rings face one another in generally aligned pairs. A bearing element is received in each aligned pair of pockets to prevent the rotation of the orbiting member by the bearing elements interacting with the first and second rings and to carry the axial thrust load from the orbiting member. The first and second races are placed within the first and second annular grooves respectively in order to be able to circumferentially and radially move within a restricted range.
La présente invention comporte un dispositif durable anti-rotation à roulement de poussée qu'utilise un mécanisme à déplacement fluide d'élément orbital. Le dispositif anti-rotation à roulement de poussée comprend une partie fixe discrète, une partie orbitale discrète et des supports. La partie fixe comprend une bague primaire et un anneau primaire indépendants. La bague primaire se loge dans une rainure primaire de la surface interne du boîtier, tandis que l'anneau primaire se fixe au boîtier. La partie orbitale est munie d'une bague secondaire et d'un anneau secondaire indépendants. La bague secondaire se loge dans un sillon secondaire de la plaque terminale du membre orbital, tandis que l'anneau secondaire se fixe à la plaque terminale du membre orbital. Les anneaux sont munis de trous qui se font face, formant des paires généralement alignées. Un support se loge dans chacune des paires de trous afin d'empêcher la rotation de l'élément orbital suite à l'interaction des supports avec les anneaux primaires et secondaires et de supporter la poussée axiale de l'élément orbital. Les bagues primaire et secondaire se logent respectivement dans les sillons annulaires primaire et secondaire afin de pouvoir bouger dans le sens de la circonférence et du rayon selon plage limitée.
Kitano Norio
Terauchi Kiyoshi
Sanden Corporation
Sim & Mcburney
LandOfFree
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