Coupling for high pressure fluid pump assembly

Details Coupling for high pressure fluid pump assembly Coupling for high pressure fluid pump assembly

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 53/14 (2006.01)

Patent

CA 2303102

A coupling for a high pressure fluid pump assembly is shown and described. The plunger (14) has a rounded convex engagement surface. A second engagement portion of the extension rod (28) has a substantially flat second engagement surface engaging the first engagement surface of the plunger (14). The interface between the first and second engagement surfaces aligns motion of the plunger along the first axis with motion of the extension rod along the second axis, reducing their tendency to bend and to move laterally relative to their respective longitudinal axis.

La présente invention concerne un couplage pour ensemble de pompe haute pression pour liquide. Le piston (14) présente une surface de contact convexe arrondie. Une seconde partie de contact de la tige d'extension (28) présente une seconde surface de contact sensiblement plate venant en contact avec la première surface de contact du piston (14). L'interface se trouvant entre la première et la seconde surfaces de contact permet d'aligner un déplacement du piston le long du premier axe avec un déplacement de la tige d'extension le long du second axe, réduisant ainsi leur tendance à la courbure et au déplacement latéral par rapport à leur axe longitudinal respectif.

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