초록 ▼

A tubular section member for use as a fluid flow hose or as an admission or exhaust silencer, characterized in that it includes internal partitions or ribs (12) which are corrugated in shape in cross-section, which are interconnected by an axial core (16) along the axis of the section member, and wh

A tubular section member for use as a fluid flow hose or as an admission or exhaust silencer, characterized in that it includes internal partitions or ribs (12) which are corrugated in shape in cross-section, which are interconnected by an axial core (16) along the axis of the section member, and which are wound helically along said axial core (16).

대표청구항 ▼

[ I claim:] [17.] A tubular section member for use as a fluid flow hose, comprising a silencer including means for preventing sound pressure waves from propagating directly along the inside of the section member, said means comprising substantially radial internal partitions or ribs wound helically

[ I claim:] [17.] A tubular section member for use as a fluid flow hose, comprising a silencer including means for preventing sound pressure waves from propagating directly along the inside of the section member, said means comprising substantially radial internal partitions or ribs wound helically around the longitudinal axis of the section member, and wherein said internal partitions or ribs are interconnected by at least one annular partition cooperating therewith to define a plurality of parallel channels helically wound around the axis of the section member.