Patent ID: 7056101

Claim:
A pump apparatus comprising: a pump housing having a first pump chamber formed therein and having a first opening extending in a first direction, a second pump chamber formed therein and having a second opening extending in a second direction, and a gear chamber formed therein and having a third opening extending in a third direction perpendicular to the first and second directions; a plurality of gears located in the gear chamber, wherein the third opening is larger than one of the gears; a first pump and a first swash plate engaged thereto disposed in the first pump chamber, and a first trunnion arm engaged to the first swash plate and extending out of the pump housing; a second pump and a second swash plate engaged thereto disposed in the second pump chamber, and a second trunnion arm engaged to the second swash plate and extending out of the pump housing; a first pump shaft drivingly engaged to the first pump and a second pump shaft drivingly engaged to the second pump; and an input shaft disposed in the pump housing and drivingly engaged to both the first and second pump shafts, where at least one end of the input shaft extends out of the pump housing and the longitudinal axis of the input shaft is perpendicular to the longitudinal axes of the first and second pump shafts, wherein the first and second trunnion arms are mounted parallel to one another and perpendicular to the longitudinal axis of the input shaft.