Double-acting pump

Details Double-acting pump Double-acting pump

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 9/133 (2006.01) F04B 9/135 (2006.01) F04B 43/06 (2006.01) F04B 43/073 (2006.01)

Patent

CA 2217600

A double-acting pump includes two cavities, each of which is divided into an operating chamber (6) and a working chamber (5) by means of a respective movable partition wall (4). Each of the operating and working chambers is provided with a valve-controlled inlet and outlet (7, 9; 8, 9) for a gaseous driving medium and a pump-transported liquid working medium respectively. A device (16) for transmitting movement of one partition wall to the other, and vice versa, extends between the movable partition walls (4). This movement transmission device (16) is spring-like in the movement transmission direction.

Une pompe à double effet comprend deux cavités, chacune d'elles étant divisée en une chambre de commande (6) et une chambre de travail (5) grâce à une paroi de séparation amovible (4). Chacune de ces chambres est pourvue d'une admission et d'une évacuation commandées par un clapet (7, 9; 8, 9) et par lesquelles s'écoulent respectivement un milieu de propulsion gazeux et un milieu de travail liquide acheminé par la pompe. Un dispositif (16) transmettant un mouvement d'une paroi de séparation à l'autre, et vice versa, s'étend entre les parois de séparation amovibles (4). Ce dispositif de transmission de mouvement (16) se comporte comme un ressort dans le sens de transmission du mouvement.

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