초록 ▼

An axially elongated candle filter element (28') is made having an open end, a closed end and porous walls (86) around an axially elongated passageway volume (88) where the walls are of an open metal structure (86), preferably a honeycomb structure, placed at a 90 degree angle to and surrounding the

An axially elongated candle filter element (28') is made having an open end, a closed end and porous walls (86) around an axially elongated passageway volume (88) where the walls are of an open metal structure (86), preferably a honeycomb structure, placed at a 90 degree angle to and surrounding the axis (90-90) of the inner volume, where the structure (86) is filled with porous ceramic material (84) through which hot gases can pass to reach the passageway (88).

대표청구항 ▼

1. An axially elongated candle filter element having an open end, a closed end and a porous wall defining an axially elongated inner volume, wherein the porous wall comprises an open metal structure disposed transverse to and surrounding the axis of the axially elongated inner volume, said open meta

1. An axially elongated candle filter element having an open end, a closed end and a porous wall defining an axially elongated inner volume, wherein the porous wall comprises an open metal structure disposed transverse to and surrounding the axis of the axially elongated inner volume, said open metal structure having walls with an oxide coating on its surfaces, where the structure is filled with ceramic material to a density of from 30% to 70% of theoretical density, where at least one of the inner or outer surfaces of the filled structure has a membrane layer.