Exhaust particulate removing filter of diesel engine
AssigneeIsuzu Motors Limited
InventorTakatoshi Sugano
Life of this patent
Estimating the term…
Abstract
The width of at least one felt out of a plurality of felts (22 to 24) is formed of ceramic fibers superposed between two wire nets (26, 27) for a heater is made to be narrower than the width w of the wire nets for heater (26, 27), and the width of other felts (22, 24) is made to be the same as the width w of the wire nets (26, 27) for the heater. A superposed body (28) of the wire nets (26, 27) for a heater and the felts (22 to 24) is bent lengthwise to form a tube (21) having a petal shape in section, and a metal frame (31) is connected to both ends of the tube (21).
Claims3
An exhaust particulate removing filter for a diesel engine comprising two wire nets for a heater and a plurality of ceramic fiber felts superposed between said two wire nets and characterized by the width of at least one of said plurality of felts formed of ceramic fibers is superposed between said two wire nets for a heater is narrower than the width of said wire nets for the heater, and the width of the other felts of said plurality of ceramic fiber felts is the same as the width of said wire nets for the heater, the superposed body of said wire nets for the heater and said felts being bent lengthwise to form a tube having a petal shape in section, and a metal frame connected to the outer peripheral side of both ends of said tube.
Dependencies are inferred from the claim text.