Pneumatically actuated lubricant pump

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

Patent

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Details

F04B 9/08 (2006.01) F04B 9/125 (2006.01) F04B 9/127 (2006.01) F04B 53/14 (2006.01) F16N 13/16 (2006.01)

Patent

CA 2132044

A pneumatically actuated lubricant pump wherein air is forced into the cylinder through a passage extending longitudinally through the piston rod. The rod is part of a piston assembly reciprocably mounted within a pump housing. The air passage extends from a lateral rod entrance through the rod and through the piston head. Air is forced into and released from the air cylinder through the passageway. In an alternative double-action embodiment, a second air flow passage extends through the pump housing alone directly to the air cylinder permitting compressed air to be alternately supplied to the opposite sides of the piston head.

Pompe de graissage actionnée par air comprimé où l'air est forcé dans le cylindre par un conduit qui traverse la tige de piston dans le sens de la longueur. La tige fait partie d'un ensemble piston monté de façon réciproque à l'intérieur d'un corps de pompe. Le conduit d'air se prolonge d'une entrée latérale de la tige et traverse la tige et la tête du piston. L'air est forcé dans le cylindre pneumatique par le conduit et en ressort de la même façon. Dans un autre modèle à double action, un deuxième conduit d'écoulement d'air traverse seulement le corps de la pompe et se rend directement au cylindre pneumatique, permettant à l'air comprimé d'alimenter alternativement les côtés opposés de la tête de piston.

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