NOISE REDUCTION TYPE FILTER PUMP STRUCTURE CAPABLE OF PREVENTING A FILTER FROM BEING DEFORMED BY WELDING AN INNER BODY WITH A BOTTOM INSIDE THE INNER BODY

摘要

PURPOSE: A noise reduction type filter pump structure is provided to prevent high frequency noise generated by injecting fuel into a fuel pump through an inflow hole of a body.;CONSTITUTION: A noise reduction type filter pump structure comprises a filter, an inner body and, a body(30). The filter has a space inside. The inner body is positioned on the lower end inside the filter to maintain the shape of a filter. The inner body is welded with the lower end inside the filter and is integrated with the filter. An inlet hole(31) is formed at the center of the body. A coupling portion(32) is formed at the one end of the body. The joint is embedded as a fixed length. The other end of the body is combined with the fuel inlet of the fuel pump. The joint part comprises three support pieces(33). The support piece is projected inward the filter.;COPYRIGHT KIPO 2010