Patent ID: 6659748
Filing Date: 2003-12-09
Classification: F04C

Abstract:
Internal geared machine for forward and reverse operation in a closed circuit, comprising:a housing; an external toothed pinion and an internal toothed ring gear meshing with said pinion, said pinion and ring gear being disposed in said housing; a filling that fills a sickle-shaped space between said pinion and ring gear, said filling comprising two identical filler pieces; a single stop pin mounted in said housing, both of said filler pieces supported by their front ends against said single stop pin; a pinion shaft joined to said pinion; a pair of axial discs seated on said shaft on respective sides of said pinion; axial pressure fields provided between each said axial disc and said housing; control fields provided between each said axial disc and said pinion; and control slots connected to the control fields.