Patent ID: 6454544
Filing Date: 2002-09-24
Classification: F04B,Y10T

Abstract:
A pump for conveying a liquid, said pump comprising:a housing (1); a shaft (2) rotatably supported in said housing (1); an eccentric drive (8, 11) arranged on said shaft (2) in said housing (1); at least one drive element (13) configured to be driven by said eccentric drive (8, 11); said shaft (2) configured to adjust an eccentricity of said eccentric drive (8, 11); wherein said drive element (13) is configured to be adjusted according to the eccentricity of said eccentric drive (8, 11) by a translatory movement in a direction transverse to said shaft (2); at least one piston (14) for conveying the liquid; wherein said drive element (13) has at least one contact surface (15-17) acting on said at least one piston (14).