Patent ID: 6659685
Filing Date: 2003-12-09
Classification: E01C,E02D

Abstract:
A hydraulic-powered vibrating compactor comprising:a chassis; a vibrating base plate operatively connected to said chassis; a casing mounted on said chassis and a reservoir defining an interior for hydraulic fluid; said reservoir being disposed below said casing and having a lower wall defining a tunnel and an upper wall in spaced relationship to said casing so as to define a passage communicating with the atmosphere external of said casing; said lower wall and said upper wall enclosing at least a portion of said interior; a hydraulic pulp connected to said chassis and having a through rotatable shaft defining a free end; a fan wheel mounted on said free end; said hydraulic pump being mounted so as to permit said fan wheel to draw cooling air through said tunnel for cooling said hydraulic fluid in said reservoir directly through said lower wall; and, means for directing said cooling air from said tunnel and into said passage so as to permit said cooling air to pass over said upper wall to further cool said hydraulic fluid in said reservoir and to discharge to the atmosphere outside of said casing.