Patent ID: 7549499
Filing Date: 2009-06-23
Classification: B60K,B60W,B60Y,Y02T

Abstract:
1. A mobile vehicle for operation on the ground, comprising: an engine attached to a chassis; a transmission attached to said engine; at least one rear axle attached to said chassis, said at least one rear axle receiving power from said engine through said transmission; a conventional driving front steer axle attached to said chassis; an hydraulic pump coupled to said engine; an hydraulic motor coupled to said conventional driving front steer axle, said hydraulic motor being operable to convert hydraulic power to mechanical power, said mechanical power being used by said conventional driving front steer axle to propel said mobile vehicle for operation on the ground; an hydraulic pressure accumulator attached to said chassis; at least one control valve, said at least one control valve regulating the hydraulic flow and pressure between said hydraulic pump, said hydraulic motor, and said hydraulic pressure accumulator; means for controlling said at least one control valve; and said hydraulic pump being directly attached to said engine.