Patent Number: 6,309,451

Title: Air filtering device for an automobile

Abstract: An air filtering device includes an inner seat member, an outer seatmember, and a multi-layer filter medium. The inner seat member has opposedfirst and second sides and a plurality of first air passages extendingtherethrough from the first side to the second side. The outer seat memberhas opposed third and fourth sides and a plurality of second air passagesextending therethrough from the third side to the fourth side. Themulti-layer filter medium is sandwiched between the second side of theinner seat member and the third side of the outer seat member. Themulti-layer filter medium has a polypropylene fabric layer, a far-infraredradiation material layer, and an activated carbon fiber layer connected toone another. The first air passages are registered with the second airpassages.

Inventors: Chen; Chung-Hsuan (Kaohsiung City, TW)


International Classification:

Expiration Date: 10/32013