Pulse jet air cleaner systems; components; and, methods

Patent metadata

Field	Value
Publication number	US-10967320-B2
Application number	US-201916690961-A
Country	US
Kind code	B2
Filing date	Nov 21, 2019
Priority date	Jun 19, 2006
Publication date	Apr 6, 2021
Grant date	Apr 6, 2021

Abstract

Pulse jet air cleaner systems, components and methods are described. The features relate to air cleaner housings that include a cartridge receiving section. Features described relate to a possible two-stage construction, a possible pulse jet accumulator section, pulse jet equipment for cleaning a filter cartridge positioned within the air cleaner; possible evacuation valve arrangements for projection of dust from the air cleaners; and other example features. Methods of assembly and use are also provided.

First claim

What is claimed is:

1. An air cleaner assembly comprising:
(a) a housing having a sidewall; an air flow inlet; and, an flow outlet; and, defining an interior;
(i) the housing sidewall having a dust evacuation arrangement therethrough;
(ii) the housing having an end openable for service access to the interior of the housing;
(iii) the air flow outlet being an axial air flow outlet at an end of the housing; and
(iv) the housing sidewall having the air flow inlet located therethrough;

(b) a serviceable filter cartridge operably positioned in the interior of the housing;
(i) the serviceable filter cartridge being removable from the housing; and,
(ii) the serviceable filter cartridge comprising media surrounding an open, central, interior; and
(iii) the serviceable filter cartridge including a first end cap and a second end cap, the media extending between the first end cap and the second end cap, and the first end cap being an open end cap;

(c) a pulse jet distribution arrangement comprising a distributor member projecting within the open, central, interior of the serviceable filter cartridge a distance of at least 35% of an axial length between the first end cap and the second end cap to direct a pulse of compressed gas into the open, central, interior of the filter cartridge; and
(d) an inlet valve arrangement having: a first, open, inflow position; and, a second, closed, position;
(i) when in the first, open, inflow position, the inlet valve arrangement allowing inlet flow through the air flow inlet into the pulse jet distribution arrangement; and,
(ii) when the second, closed, position, the inlet valve arrangement inhibiting pulse flow out the air flow inlet and into the pulse jet distribution arrangement.

2. An air cleaner assembly according to claim 1 wherein:
(a) the pulse jet distribution arrangement projects within the open, central, interior of the serviceable filter cartridge a distance of at least 40% of the axial length between the first end cap and the second end cap.

3. An air cleaner assembly according to claim 1 wherein:
(a) the pulse jet distribution arrangement projects within the open, central, interior of the serviceable filter cartridge a distance of 40% to 60% of the axial length between the first end cap and the second end cap.

4. An air cleaner assembly according to claim 1 wherein:
(a) the distribution member has a circular cross-sectional shape.

5. An air cleaner assembly according to claim 4 wherein:
(a) the distribution member has two end, and one of the two ends is flared.

6. An air cleaner assembly according to claim 1 wherein:
(a) the pulse jet distribution arrangement comprising a nozzle for releasing the pulse of compressed air from the inlet valve arrangement to the distributor member projecting within the open, central, interior of the serviceable filter cartridge.

7. An air cleaner assembly according to claim 6 wherein:
(a) the nozzle for releasing the pulse of compressed air is located within the open, central, interior of the serviceable filter cartridge.

8. An air cleaner assembly according to claim 6 wherein:
(a) the nozzle is located outside of the open, central, interior of the serviceable filter cartridge.

9. An air cleaner assembly according to claim 1 wherein:
(a) the distribution member comprises a conical distributor member.

10. An air cleaner assembly according to claim 1 wherein:
(a) the air flow the inlet being tangentially located through the housing sidewall.

11. An air cleaner assembly according to claim 1 wherein:
(a) the pulse of compressed gas is introduced through the first end cap being an open end cap.

12. An air cleaner assembly according to claim 1 wherein:
(a) the air flow outlet being axially located through the first end cap being an open end cap.

13. An air cleaner assembly according to claim 1 wherein:
(a) the sidewall includes an arcuate section; and,
(b) the air flow inlet is through the arcuate section of the sidewall.

14. An air cleaner assembly according to claim 13 wherein:
(a) the air flow inlet being tangentially located through the housing sidewall.

15. An air cleaner assembly according to claim 1 including:
(a) a louver arrangement positioned on the sidewall;
(i) the louver arrangement directing air flow entering the housing interior, from the air flow inlet, into a helical pattern around the filter cartridge.

16. An air cleaner assembly according to claim 1 wherein:
(a) the evacuation arrangement comprises a dust evacuation aperture in the sidewall having an aperture open area of at least 2 sq. inches.

17. An air cleaner assembly according to claim 1 wherein:
(a) the evacuation arrangement comprises a dust evacuation aperture in the sidewall having an aperture open area of at least 4 sq. inches.

18. An air cleaner assembly according to claim 1 wherein:
(a) the evacuation arrangement comprises a dust evacuation aperture in the sidewall having an aperture open area of at least 8 sq. inches.

19. An air cleaner assembly according to claim 1 wherein:
(a) the first end cap comprises a radially directed seal for sealing to the housing.

20. An air cleaner assembly comprising:
(a) a housing having a sidewall; an air flow inlet; and, an flow outlet; and, defining an interior;
(i) the housing sidewall having a dust evacuation arrangement therethrough;
(ii) the housing having an end openable for service access to the interior of the housing;
(iii) the air flow outlet being an axial air flow outlet at an end of the housing; and
(iv) the housing sidewall having the air flow inlet located therethrough;

(b) a serviceable filter cartridge operably positioned in the interior of the housing;
(i) the serviceable filter cartridge being removable from the housing; and,
(ii) the serviceable filter cartridge comprising media surrounding an open, central, interior; and
(iii) the serviceable filter cartridge including a first end cap and a second end cap, the media extending between the first end cap and the second end cap, and the first end cap being an open end cap; and

(c) a pulse jet distribution arrangement comprising a conical distributor member projecting within the open, central, interior of the serviceable filter cartridge a distance of at least 35% of an axial length between the first end cap and the second end cap to direct a pulse of compressed gas into the open, central, interior of the filter cartridge.

21. An air cleaner assembly according to claim 20 wherein:
(a) the pulse jet distribution arrangement projects within the open, central, interior of the serviceable filter cartridge a distance of at least 40% of the axial length between the first end cap and the second end cap.

22. An air cleaner assembly according to claim 20 wherein:
(a) the pulse jet distribution arrangement projects within the open, central, interior of the serviceable filter cartridge a distance of 40% to 60% of the axial length between the first end cap and the second end cap.

23. An air cleaner assembly according to claim 20 wherein:
(a) the distribution member has two end, and one of the two ends is flared.

24. An air cleaner assembly according to claim 20 wherein:
(a) the pulse jet distribution arrangement comprising a nozzle for releasing a pulse of compressed air to the distributor member projecting within the open, central, interior of the serviceable filter cartridge.

Assignees

• Donaldson Co Inc

Inventors

• Gillingham Gary
• Wahlquist Fred
• Olson Thomas
• Jensen Charles
• Fuchs Ervin
• Wilson Eugene
• Widerski Robert

Classifications

• B01D46/71 Primary

  with pressurised gas, e.g. pulsed air · CPC title

• B01D46/2411 Primary

  Filter cartridges · CPC title

• B01D46/4272

  Special valve constructions adapted to filters or filter elements · CPC title

• B01D46/48

  Removing dust other than cleaning filters {, e.g. by using collecting trays} · CPC title

• B01D46/0068 Primary

  Operations & Transport · mapped topic