Air cleaner with endcap cover
First Claim
Patent Images
1. An air cleaner comprising:
- a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, said sidewall having an inlet receiving dirty incoming air, said sidewall having a dust ejection opening therethrough, said first axial end having an outlet discharging clean filtered air, said second axial end being closable by a removable cover, said second axial end having a closed state when closed by said cover, said second axial end having an open state upon removal of said cover;
an annular air filter element axially insertable into said housing through said second axial end in said open state, said air filter element having an outer peripheral surface spaced inwardly of an interior surface of said sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from said inlet, said air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to said outlet, said air filter element comprising annular filter media extending axially between first and second axial endcaps, said first endcap facing said outlet, said second endcap being said cover, said second endcap includes a dust collection tab extending along said interior surface of said sidewall to said dust ejection opening.
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Accused Products
Abstract
An air cleaner includes a housing and an air filter element. An endcap of the air filter element provides a removable cover for the housing. The endcap includes removal, insertion, orientation, and retention structure and methods for same. A clamping arrangement is provided with minimal space requirements.
19 Citations
61 Claims
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1. An air cleaner comprising:
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a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, said sidewall having an inlet receiving dirty incoming air, said sidewall having a dust ejection opening therethrough, said first axial end having an outlet discharging clean filtered air, said second axial end being closable by a removable cover, said second axial end having a closed state when closed by said cover, said second axial end having an open state upon removal of said cover; an annular air filter element axially insertable into said housing through said second axial end in said open state, said air filter element having an outer peripheral surface spaced inwardly of an interior surface of said sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from said inlet, said air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to said outlet, said air filter element comprising annular filter media extending axially between first and second axial endcaps, said first endcap facing said outlet, said second endcap being said cover, said second endcap includes a dust collection tab extending along said interior surface of said sidewall to said dust ejection opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An air filter element for an air cleaner having a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, said sidewall having an inlet receiving dirty incoming air, said sidewall having a dust ejection opening therethrough, said first axial end having an outlet discharging clean filtered air, said second axial end being closeable by a removable cover, said second axial end having a closed state when closed by said cover, said second axial end having an open state upon removal of said cover, said air filter element comprising:
an annular air filter element axially insertable into said housing through said second axial end in said open state, said air filter element having an outer peripheral surface spaced inwardly of an interior surface of said sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from said inlet, said air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to said outlet, said air filter element comprising annular filter media extending axially between first and second axial endcaps, said first endcap facing said outlet, said second endcap being said cover, said second endcap includes a dust collection tab extending along said interior surface of said sidewall to said dust ejection opening. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method for cleaning air comprising:
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providing a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, said sidewall having an inlet receiving dirty incoming air, said sidewall having a dust ejection opening therethrough, said first axial end having an outlet discharging clean filtered air, said second axial end being closable by a removable cover, said second axial end having a closed state when closed by said cover, said second axial end having an open state upon removal of said cover; providing an annular air filter element axially insertable into said housing through said second axial end in said open state, said air filter element having an outer peripheral surface spaced inwardly of an interior surface of said sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from said inlet, said air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to said outlet; providing said air filter element with annular filter media extending axially between first and second axial endcaps, facing said first endcap toward said outlet, said second endcap includes a dust collection tab extending along said interior surface of said sidewall to said dust ejection opening; and providing said second endcap as said cover. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. An air cleaner comprising:
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a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, the sidewall having an inlet receiving dirty incoming air, the first axial end having an outlet discharging clean filtered air, the second axial end being closable by a removable cover, the second axial end having a closed state when closed by the cover, the second axial end having an open state upon removal of the cover; an annular air filter element axially insertable into the housing through the second axial end in the open state, the air filter element having an outer peripheral surface spaced inwardly of an interior surface of the sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from the inlet, the air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to the outlet, the air filter element comprising annular filter media extending axially between first and second axial endcaps, the first endcap facing the outlet, the second endcap being the cover, the second endcap has a cam surface facing axially in the first axial direction such that the cam surface engages an alignment guide surface of the interior surface of the sidewall during insertion of the air filter element into the housing in the first axial direction. - View Dependent Claims (51, 52, 53)
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54. An air filter element for an air cleaner having a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, the sidewall having an inlet receiving dirty incoming air, the first axial end having an outlet discharging clean filtered air, the second axial end being closeable by a removable cover, the second axial end having a closed state when closed by the cover, the second axial end having an open state upon removal of the cover, the air filter element comprising:
an annular air filter element axially insertable into the housing through the second axial end in the open state, the air filter element having an outer peripheral surface spaced inwardly of an interior surface of the sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from the inlet, the air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to the outlet, the air filter element comprising annular filter media extending axially between first and second axial endcaps, the first endcap facing the outlet, the second endcap being the cover, the second endcap has a cam surface facing axially in the first axial direction such that the cam surface engages an alignment guide surface of the interior surface of the sidewall during insertion of the air filter element into the housing in the first axial direction. - View Dependent Claims (55, 56, 57)
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58. A method for cleaning air comprising:
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providing a housing extending axially along an axis and having an annular sidewall extending axially between first and second axial ends, the sidewall having an inlet receiving dirty incoming air, the first axial end having an outlet discharging clean filtered air, the second axial end being closable by a removable cover, the second axial end having a closed state when closed by the cover, the second axial end having an open state upon removal of the cover; providing an annular air filter element axially insertable into the housing through the second axial end in the open state, the air filter element having an outer peripheral surface spaced inwardly of an interior surface of the sidewall and defining an annular dirty air inlet plenum therebetween receiving dirty air from the inlet, the air filter element having an inner peripheral surface defining a hollow interior providing a clean air outlet plenum supplying clean filtered air to the outlet; providing the air filter element with annular filter media extending axially between first and second axial endcaps, facing the first endcap toward the outlet; providing the second endcap as the cover, the second endcap including a cam surface facing axially in a first axial direction; inserting the air filter element into the housing in the first axial direction toward the first axial end such that the cam surface engages an alignment guide surface of the interior surface of the sidewall. - View Dependent Claims (59, 60, 61)
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Specification