초록 ▼

An improved hydrostatic transmission which is compact, reliable and economical to manufacture, including a novel means for reducing the speed of the input to the transaxle using both hydraulics and mechanical gearing; an improved differential which is stronger and less complicated than prior art des

An improved hydrostatic transmission which is compact, reliable and economical to manufacture, including a novel means for reducing the speed of the input to the transaxle using both hydraulics and mechanical gearing; an improved differential which is stronger and less complicated than prior art designs; a more effective and efficient means for braking the transaxle, an improved means for hydraulically bypassing the hydrostatic transmission and a unique check valve arrangement for maintaining oil pressure within the hydrostatic transmission.

대표청구항 ▼

An axle driving system comprising: a housing; a first chamber and a second chamber formed within said housing, wherein said first chamber and said second chamber are separated from each other; hydraulic fluid disposed within said first chamber; a hydraulic transmission disposed within said first cha

An axle driving system comprising: a housing; a first chamber and a second chamber formed within said housing, wherein said first chamber and said second chamber are separated from each other; hydraulic fluid disposed within said first chamber; a hydraulic transmission disposed within said first chamber including a pump, a motor hydraulically connected to said pump, and a motor shaft driven by said motor; and a pair of axle shafts disposed within said housing and drivingly connected to said motor shaft wherein at least one of said axle shafts is substantially disposed with said second chamber; wherein said housing is adapted to form an outwardly extending expansion chamber sealed from the atmosphere and in fluid communication with said first chamber whereby said hydraulic fluid may freely flow between said expansion chamber and said first chamber.