Filter structure for removing contaminants from stream of fluid
First Claim
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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.
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Abstract
Various methods and apparatus are disclosed that relate to one or more aspects of a filter structure that may remove contaminants from a stream of fluid. In various aspects the filter structure includes a front portion having a first orientation and a rear portion having a second orientation unique from the first orientation.
47 Citations
20 Claims
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1. A filter structure for removing contaminants from a stream of fluid, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A filter structure for removing contaminants from a stream of fluid, comprising:
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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; said front frame including a front upper frame structure and a front lower frame structure sandwiching said front first filter and 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 frame including a rear upper frame structure and a rear lower frame structure sandwiching said rear first filter and said rear 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. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A filter structure for removing contaminants from a stream of fluid, comprising:
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a front filter housing and a downstream rear filter housing; said front filter housing having a first end and a downstream second end, said front filter housing supporting a first front filter and a second front filter in substantially parallel spaced relation to one another from said first end to said second end; said front filter housing, said first front filter, and said second front filter substantially surrounding a front clean air passageway; said rear filter housing having a first end and a downstream second end, said rear filter housing supporting a first rear filter and a second rear filter diverging from said rear filter housing first end to said rear filter housing second end, wherein said rear filter housing first end is adjacent said front filter housing second end; said rear filter housing, said first rear filter, and said second rear filter substantially surrounding a rear clean air passageway; and wherein said rear clean air passageway is in communication with said front clean air passageway and in communication with a filter structure outlet, said filter structure outlet positioned at said rear filter housing second end.
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Specification