Pump piston device

Details Pump piston device Pump piston device

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 53/12 (2006.01) F16J 15/40 (2006.01)

Patent

CA 2756658

A pump piston device (12) for reciprocating movement in a pump cylinder (4) in which, between the pump piston (12) and the pump cylinder (4), an annular space (26) is formed which is defined by a first seal (20) and a second seal (24), the an-nular space (26) being pressurized, and the first seal (20) and the second seal (24) being in a common piece of material which con-stitutes the pump piston (12).

Dispositif (12) de piston pour pompe, prévu pour un mouvement alternatif dans un cylindre (4) de pompe dans lequel, entre le piston (12) pour pompe et le cylindre (4) de pompe, est formé un espace annulaire (26) défini par un premier joint (20) et un deuxième joint (24), l'espace annulaire (26) étant mis sous pression, le premier joint (20) et le deuxième joint (24) étant placés dans une pièce commune de matériau qui constitue le piston (12) pour pompe.

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