Patent ID: 8834591
Filing Date: 2014-09-16
Classification: B01D

Abstract:
1. A filter structure for removing contaminants from a stream of fluid, comprising: a front filter portion having a front frame supporting a front first filter and a front second filter; said front first filter and said front second filter in substantially parallel spaced relation to one another and defining a substantially parallel front clean air passageway therebetween, said front frame including a front end plate extending between said front first filter and said front second filter proximal a first filter first end of said front first filter and a second filter first end of said front second filter; a rear filter portion having a rear frame supporting a rear first filter and a rear second filter, said rear first filter extending from adjacent a first filter second end of said front first filter, said rear second filter extending from adjacent a second filter second end of said front second filter; said rear first filter and said rear second filter in diverging spaced relation with one another as they extend from adjacent respective of said front first filter and said front second filter and defining a substantially diverging rear clean air passageway therebetween; wherein said rear clean air passageway and said front clean air passageway are in flow communication with one another; said rear frame including a rear end plate having a rear end plate opening in flow communication with said rear clean air passageway; wherein said rear end plate is configured for interfacing with a clean air intake opening.