GEAR PUMP Russian patent published in 2003 - IPC

FIELD: gear pumps used for delivery of working fluid to hydraulic systems of tractors, agricultural machines and other machines. SUBSTANCE: proposed gear pump has housing, cover, two compensators, drive and driven gears fitted on trunnions and inserts received by radial bores of bearing holder and pressure holder consisting of three parts in form of two similar supports with insert. Insert is located between supports. Supports with insert are movable relative to each other. Pressure holder is changed in construction, thus protecting it against breakage. EFFECT: simplified construction; enhanced operational reliability. 2 dwg