Reciprocating liquid pump with disc check valve

Details Reciprocating liquid pump with disc check valve Reciprocating liquid pump with disc check valve

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 33/00 (2006.01) B05B 11/00 (2006.01) B05B 11/02 (2006.01) B65D 47/34 (2006.01) G01F 11/02 (2006.01)

Patent

CA 2251105

A manually operated pump (20) comprises a pump housing (22) and a plunger (24). The pump housing has a pump chamber (38) and an intake port. The plunger extends into the pump chamber. A piston (82) is on the plunger and is reciprocally and axially slidable within the pump chamber between a bottom stroke position and a top stroke position. The fluid pump further includes a priming valve (92), a check valve (48), a sealing plug (100), and a plug seat (43). The priming valve permits fluid to flow upward through the pump chamber when the piston stroke moves the piston downward from the top stroke position toward the bottom stroke position, and prevents fluid from flowing upward through the pump chamber when the piston stroke moves the piston upward from the bottom stroke position toward the top stroke position.

L'invention se rapporte à une pompe manuelle (20) comprenant un corps (22) et un piston plongeur (24). Le corps de la pompe comporte une chambre (38) et un orifice d'admission. Le piston plongeur s'étend dans la chambre. Un piston (82) ménagé sur le plongeur effectue un mouvement de va-et-vient et coulisse axialement à l'intérieur de la chambre entre un point mort bas et un point mort haut. La pompe de l'invention comprend également une soupape d'amorçage (92), une soupape de retenue (48), un bouchon d'étanchéité (100) et un siège (43) de bouchon. La soupape d'amorçage permet au fluide de s'écouler vers le haut en traversant la chambre lorsque le piston se déplace vers le bas, de son point mort haut vers son point mort bas, et empêche le fluide de s'écouler vers le haut en traversant la chambre lorsque le piston se déplace vers le haut, de son point mort bas vers son point mort haut.

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