Positive-displacement pump having a piston given a reciprocating linear movement
The invention relates to a positive-displacement pump having a piston (3) given a reciprocating linear movement which is noteworthy in that the said movement of the piston in the body (1) of the pump is provided by a cam (11) which is driven in rotation about an axis (14) coaxial with the longitudin...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The invention relates to a positive-displacement pump having a piston (3) given a reciprocating linear movement which is noteworthy in that the said movement of the piston in the body (1) of the pump is provided by a cam (11) which is driven in rotation about an axis (14) coaxial with the longitudinal axis of the piston and which acts on one of the ends of the said piston while the latter is permanently urged in the opposite direction by an elastic means (8).
L'invention concerne une pompe volumétrique à piston (3) animé d'un mouvement linéaire alternatif qui est remarquable en ce que ledit mouvement du piston dans le corps (1) de la pompe est assuré par une came (11) qui est entraînée en rotation selon un axe (14) coaxial à l'axe longitudinal du piston et qui agit sur l'une des extrémités dudit piston tandis que celui-ci est sollicité en permanence en sens inverse par un moyen élastique (8). |
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