Pulse air cleaner system with pulse tube extension
An assembly and system of an air cleaner for a vehicle is described herein. The air cleaner assembly and systems include a filter cartridge extending along a longitudinal axis between a first filter end and a second filter end. The filter cartridge includes filter media configured to filter air passing through the filter media. The filter cartridge includes a cartridge passage defined by an inner filter surface of the filter cartridge. The air cleaner assembly and systems also include a pulse tube extension coupled to the filter cartridge and extending into the cartridge passage along the longitudinal axis such that an outer tube surface of the pulse tube extension faces the inner filter surface of the filter cartridge. The pulse tube extension defines a tube passage located within the cartridge passage.
1 . An air cleaner system comprising:
an air cleaner housing comprising an air flow inlet and an air flow outlet, wherein the air cleaner housing comprises an outer housing sidewall and a filter cartridge recess located within the outer housing sidewall between the air flow inlet and the air flow outlet;
a filter cartridge located within the filter cartridge recess, wherein the filter cartridge extends along a longitudinal axis between a first filter end and a second filter end and comprises filter media configured to filter air passing through the filter media, and wherein air entering the air cleaner housing through the air flow inlet passes through the filter media before passing out of the air cleaner housing through the air flow outlet, and wherein the filter cartridge is configured to be positioned within the filter cartridge recess of the air cleaner housing such that the filter cartridge forms a first axial seal with the air cleaner housing at the first filter end and the filter cartridge forms a second axial seal with the air cleaner housing at the second filter end; and
a pulse tube extension coupled to the filter cartridge and extending into the filter cartridge such that an outer tube surface of the pulse tube extension faces the filter cartridge, wherein the pulse tube extension comprises a tube flange portion at a first tube end, wherein an inner surface of the tube flange portion directly contacts the first filter end of the filter cartridge, wherein the filter cartridge and the pulse tube extension are configured to be inserted into and removed from the filter cartridge recess of the air cleaner housing in a direction at least partially transverse to the longitudinal axis, wherein the pulse tube extension comprises a pulse inlet that contacts the filter cartridge at the first filter end to form a pulse tube extension seal about a perimeter of the pulse tube extension at the first filter end to avoid air bypass between the air flow inlet and an interior of the pulse tube extension,
wherein the outer housing sidewall defines a housing opening configured to allow passage of the filter cartridge and pulse tube extension therethrough.
2 . The system of claim 1 , wherein the pulse tube extension is fixedly coupled to the filter cartridge.
3 . The system of claim 1 , wherein the air cleaner housing further comprises a housing access panel movably coupled to the outer housing sidewall and configured to move between an open configuration and a closed configuration, wherein the housing opening is sealed when the housing access panel is in the closed configuration.
4 . The system of claim 1 , wherein the outer housing sidewall defines a housing length between a first housing end and a second housing end measured along the longitudinal axis, wherein the housing opening extends along the longitudinal axis 40% to 90% of the housing length.
5 . The system of claim 1 , wherein the outer housing sidewall extends between a first housing end and a second housing end along the longitudinal axis, wherein the air cleaner housing comprises a first housing end cap proximate the first housing end and a second housing end cap proximate the second housing end, wherein the first and second housing end caps are fixedly coupled to the outer housing sidewall.
6 . The system of claim 1 , wherein the air cleaner housing further comprises a latch configured to secure the filter cartridge into position within the filter cartridge recess of the air cleaner housing.
7 . The system of claim 1 , wherein the air cleaner housing further comprises a recess/protrusion configured to locate the filter cartridge relative to the air cleaner housing when the filter cartridge is positioned within the filter cartridge recess.
8 . The system of claim 1 , wherein the pulse tube extension seal comprises an axial seal.
9 . The system of claim 1 , wherein the outer tube surface of the pulse extension tube is spaced apart from an inner filter surface of the filter cartridge.
10 . The system of claim 9 , wherein the outer tube surface of the pulse extension tube is spaced apart a distance of at least 0.6 centimeters from the inner filter surface of the filter cartridge.
11 . The system of claim 1 , wherein the filter cartridge defines a cartridge length between the first filter end and the second filter end measured along the longitudinal axis, and wherein the pulse tube extension extends within the filter cartridge for at least 40% of the cartridge length.
12 . The system of claim 1 , wherein the outer tube surface of the pulse extension tube is concentric to an inner filter surface of the filter cartridge for a length measured along the longitudinal axis.
13 . The system of claim 1 , wherein the pulse tube extension comprises:
a tube contact portion adjacent the tube flange portion and in contact with an inner filter surface of the filter cartridge, and
a tube extended portion at a second tube end.
14 . The system of claim 1 , wherein the pulse extension tube includes a tube sidewall defining a tube passageway, wherein the tube passageway is located within a filter passageway defined by the filter cartridge, and wherein the tube sidewall of the pulse extension tube defines apertures.
15 . The system of claim 1 , wherein the pulse tube extension includes a tube sidewall defining a tube passageway, wherein the tube passageway is located within a cartridge passageway defined by the filter cartridge, and wherein the tube sidewall is concentric to an inner filter surface of the filter cartridge for a length measured along the longitudinal axis.
16 . The system of claim 13 , wherein the pulse tube extension further comprises a tube tapered portion extending between the tube contact portion and the tube extended portion.
17 . The system of claim 13 , wherein the tube contact portion is configured to center the pulse tube extension within a cartridge passage defined by the filter cartridge.
18 . An air cleaner system comprising:
an air cleaner housing comprising an air flow inlet and an air flow outlet, wherein the air cleaner housing comprises an outer housing sidewall and a filter cartridge recess located within the outer housing sidewall between the air flow inlet and the air flow outlet;
a filter cartridge extending along a longitudinal axis between a first filter end and a second filter end, wherein the filter cartridge is positioned within the filter cartridge recess of the air cleaner housing, wherein the filter cartridge comprises filter media configured to filter air passing through the filter media such that air entering the air cleaner housing from the air flow inlet passes through the filter media before passing out of the air cleaner housing through the air flow outlet, the filter media defining a clean air space in fluid communication with the air flow outlet, and wherein the filter cartridge is configured to be positioned within the filter cartridge recess of the air cleaner housing such that the filter cartridge forms a first axial seal with the air cleaner housing at the first filter end and the filter cartridge forms a second axial seal with the air cleaner housing at the second filter end;
a pulse tube extension coupled to the filter cartridge and extending into the filter cartridge such that an outer tube surface of the pulse tube extension faces the filter cartridge, wherein the pulse tube extension comprises a tube flange portion at a first tube end, wherein an inner surface of the tube flange portion directly contacts the first filter end of the filter cartridge, wherein the filter cartridge and the pulse tube extension are configured to be insertable and removable from the filter cartridge recess of the air cleaner housing in a direction at least partially transverse to the longitudinal axis, wherein the pulse tube extension comprises a pulse inlet that contacts the filter cartridge at the first filter end to form a pulse tube extension seal about a perimeter of the pulse tube extension at the first filter end to avoid air bypass between the air flow inlet and an interior of the pulse tube extension; and
a pulse cleaning apparatus positioned between the filter media and the air flow outlet, wherein the pulse cleaning apparatus is configured to direct gas through the clean air space and towards the filter media,
wherein the outer housing sidewall defines a housing opening configured to allow passage of the filter cartridge and pulse tube extension therethrough.
19 . The system of claim 18 , wherein a discharge outlet of the pulse cleaning apparatus is positioned proximate the first filter end.
20 . The system of claim 18 , wherein a discharge outlet of the pulse cleaning apparatus is positioned beyond the first tube end and the first filter end.
21 . The system of claim 18 , wherein the air cleaner housing further comprises a housing access panel movably coupled to the outer housing sidewall and configured to move between an open configuration and a closed configuration, wherein the housing opening is sealed when the housing access panel is in the closed configuration.
22 . The system of claim 18 , wherein the outer housing sidewall defines housing length between a first housing end and a second housing end measured along the longitudinal axis, wherein the housing opening extends along the longitudinal axis 40% to 90% of the housing length.
23 . The system of claim 18 , wherein the outer housing sidewall extends between a first housing end and a second housing end along the longitudinal axis, wherein the air cleaner housing comprises a first housing end cap proximate the first housing end and a second housing end cap proximate the second housing end, wherein the first and second housing end caps are fixedly coupled to the outer housing sidewall.
24 . The system of claim 18 , wherein the air cleaner housing further comprises a latch configured to secure the filter cartridge into position within the filter cartridge recess of the air cleaner housing.
25 . The system of claim 18 , wherein the air cleaner housing further comprises a recess/protrusion configured to locate the filter cartridge relative to the air cleaner housing when the filter cartridge is positioned within the filter cartridge recess.
26 . The system of claim 18 , wherein the pulse tube extension is fixedly coupled to the filter cartridge.
27 . The system of claim 18 , wherein the outer tube surface of the pulse extension tube is spaced apart from an inner filter surface of the filter cartridge.
28 . The system of claim 27 , wherein the outer tube surface of the pulse extension tube is spaced apart a distance of at least 0.6 centimeters from the inner filter surface of the filter cartridge.
29 . The system of claim 18 , wherein the filter cartridge defines a cartridge length between the first filter end and the second filter end measured along the longitudinal axis, and wherein the pulse tube extension extends within the filter cartridge for at least 40% of the cartridge length.
30 . The system of claim 18 , wherein the outer tube surface of the pulse extension tube is concentric to an inner filter surface of the filter cartridge for a length measured along the longitudinal axis.
31 . The system of claim 18 , wherein the pulse tube extension comprises:
a tube contact portion adjacent the tube flange portion and in contact with an inner filter surface of the filter cartridge, and
a tube extended portion at a second tube end.
32 . The system of claim 18 , wherein the pulse extension tube includes a tube sidewall defining a tube passageway, wherein the tube passageway is located within a filter passageway defined by the filter cartridge, and wherein the tube sidewall of the pulse extension tube defines apertures.