Patent ID: 8434774
Filing Date: 2013-05-07
Classification: B60G,B62K

Abstract:
1. A vehicle comprising: a frame; a first wheel connected to the frame; a first suspension assembly connecting the first wheel to the frame, the first suspension assembly including a first air spring; a second wheel connected to the frame; a second suspension assembly connecting the second wheel to the frame, the second suspension assembly including a second air spring; two third wheels connected to the frame; two third suspension assemblies connecting the two third wheels to the frame, one of the two third suspension assemblies including a third air spring, and an other of the two third suspension assemblies includes including a fourth air spring, the first wheel, the first suspension assembly, the second wheel, and the second suspension assembly being disposed at one end of the frame, and the two third wheels and the two third suspension assemblies being disposed at an opposite end of the frame; a seat connected to the frame; a steering assembly operatively connected to at least one of the wheels; an engine connected to the frame and operatively connected to at least two of the wheels; an air compressor connected to the frame and fluidly communicating with the first and second air springs for selectively supplying air to the first and second air springs, during operation of the air compressor to supply air to the first and second air springs, the air compressor drawing air from the atmosphere and simultaneously supplying the air to the first and second air springs; a first valve selectively fluidly communicating the air compressor with the first air spring; a second valve selectively fluidly communicating the air compressor with the second air spring; a third valve selectively fluidly communicating the first and second air springs with the third and fourth air springs; and a control unit electrically connected to the air compressor for controlling an operation of the air compressor and electrically connected to the first, second and third valves for controlling positions of the valves.