Swash drive

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 1/14 (2006.01) F04B 27/10 (2006.01) F04B 49/00 (2006.01)

Patent

CA 2587473

The invention relates to a swash drive, for a high-pressure cleaning device, comprising a wobble body, driven in rotation about a rotational axis, and a swash plate, inclined to the rotational axis, on the front face of which reciprocating pistons of a piston pump may be applied parallel to the rotational axis. The wobble body is supported on a support plate, by means of a support bearing and a swash plate bearing is arranged between the wobble body and the swash plate. According to the invention, the swash drive may be developed such that the inclination of the swash plate may be increased without risk of damaging the support bearing, whereby the support bearing is embodied as an angular contact ball bearing and the wobble body supports the ball bearings of the support bearing on the outside.

L'invention concerne un entraînement oscillant pour un appareil de nettoyage haute pression, comportant un corps oscillant pouvant être entraîné en rotation autour d'un axe de rotation et un plateau oscillant incliné par rapport à cet axe de rotation, plateau contre la face duquel peuvent être appliqués des pistons d'une pompe à pistons pouvant effectuer un mouvement de va-et-vient parallèlement à l'axe de rotation, le corps oscillant s'appuyant contre une plaque d'appui par l'intermédiaire d'un roulement d'appui et un roulement de plateau oscillant étant placé entre le corps oscillant et le plateau oscillant. L'objectif de cette invention est de perfectionner cet entraînement oscillant, de sorte que l'inclinaison du plateau oscillant peut être augmentée sans risque d'endommagement du roulement d'appui. A cet effet, ce roulement d'appui est conçu sous la forme d'un roulement à billes à contact oblique, le corps oscillant supportant, côté extérieur, les billes du roulement d'appui.

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