U.S. Patent Specifications

Abstract

A pump comprising a valve casing provided with inlet and outlet ports arranged at diametrically opposite positions, a valve provided with at least one recess transversely arranged to the axial movement of said valve reciprocating within said casing, a pump piston contained in each recess in said valve, an eccentric housed within an extension provided in said valve casing, and a connecting rod driven by said eccentric pivotally connected to said valve, said rod provided with an extension beyond the pivot point and engaging with at least one piston.

Citation

(1945), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 17 No. 7, pp. 215-216. https://doi.org/10.1108/eb031271