Abstract: This hydraulic coupling and speed multiplying mechanism consists of an annular cylinder block having several rows of radial transmitting cylinders wherein are operatively disposed the corresponding radial pistons. The pistons in each circular row are uniformly spaced apart, while laterally adjacent pistons are angularly off-set relative to each other. Centrally disposed in said annular cylinder block is a cam assembly which actuates the pistons in one row simultaneously and the several rows sequentially. The transmitting cylinders in one row are interconnected and have a common pipeline. Two rows of transmitting cylinders are connected to a receiving cylinder a piston in which actuates a crankshaft to which may be connected any desired rotary device.

Abstract: This hydraulic coupling mechanism consists of at least a pair of pressure transmitting cylinders which are operated in a predetermined sequence, at least a pair of pressure receiving cylinders synchronously operated by the pressure transmitting cylinders through corresponding closed liquid lines, each of which is provided with a corresponding pressure adjustable cylinder.