F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
F02F 7/00 (2006.01) F16C 9/04 (2006.01)
Patent
CA 2756657
A crankshaft bearing assembly (1) for a re-ciprocating fluid-machine, wherein the crankshaft bearing assembly (1) comprises a shaft (2) having a co-rotating first eccentric (4) surrounded by a second eccentric (8), wherein the second eccentric (8) is adjustable around the first ec-centric (4), and wherein the second eccentric (8) is sur-rounded by a bearing (10) and a crankshaft bearing housing (14), the second eccentric (8) being connected, by means of a coupling, to a shaft sleeve (28) concentrically rotatable around the shaft (2), and wherein the coupling comprises a carrier (32) which co-rotates with the shaft sleeve (28), and wherein the carrier (32), at a radial distance from the centre axis (12) of the shaft (2), is provided with a slide bolt (36) projecting into a groove (44) in a slide casing (40), the slide casing (40) being fixedly connected to the second ec-centric (8).
La présente invention se rapporte à un ensemble palier de vilebrequin (1) destiné à une machine hydraulique alternative. L'ensemble palier de vilebrequin (1) comprend un arbre (2) comportant un premier excentrique de corotatif (4) entouré d'un second excentrique (8). Le second excentrique (8) est réglable autour du premier excentrique (4), et le second excentrique (8) est entouré d'un palier (10) et d'un logement de palier de vilebrequin (14), le second excentrique (8) étant relié, à l'aide d'un système d'accouplement, à un manchon d'arbre (28) pouvant tourner de manière concentrique autour de l'arbre (2). Le système d'accouplement comprend un support (32) qui est corotatif avec le manchon d'arbre (28), et le support (32), à une distance radiale de l'axe central (12) de l'arbre (2), est pourvu d'un boulon coulissant (36) faisant saillie dans une rainure (44) d'un boîtier coulissant (40), le boîtier coulissant (40) étant rattaché de manière fixe au second excentrique (8).
Gowling Lafleur Henderson Llp
Siv Ing Per Olav Haughom As
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