AIR FILTRATION AND AIR PURIFICATION APPARATUS

• US 20130055692A1
• Filed: 09/05/2011
• Published: 03/07/2013
• Est. Priority Date: 09/05/2011
• Status: Active Grant

• Current Assignee: Coopersurgical Incorporated (The Cooper Cos., Inc.)
• Original Assignee: Michael Cecchi, Monica Mezezi
• Inventors: Cecchi, Michael, Mezezi, Monica
• Granted Patent: US 8,974,565 B2
• Time in Patent Office: Days
• US Class Current: 55/344
• CPC Class Codes: B01D 2267/40 Different types of filters
• CPC Class Codes: B01D 46/10 Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
• CPC Class Codes: B01D 46/42 Auxiliary equipment or operation thereof
• CPC Class Codes: B01D 46/44 controlling filtration
• CPC Class Codes: B01D 46/58 connected in parallel
• CPC Class Codes: F24F 8/108 using dry filter elements

Abstract

An air filtration and air purification apparatus comprising: a first air channel; a second air channel; a divider that separates the first air channel from the second air channel; a first filter located in first air channel; a first filter located in the second air channel; a first air blower configured to pull air from the ambient environment generally into the first air channel, moving said air through the first filter, and returning said air into the ambient environment, creating generally a first air stream; a second air blower configured to pull air from the ambient environment generally into the second air channel, moving said air through the second filter and returning said air into the ambient environment, creating generally a second air stream; a control system that controls the activation and deactivation of the first and second air blower.

Claims

1. An air filtration and air purification apparatus comprising:

an enclosure, the enclosure having a top, a bottom, sides and a rear;

a first air channel located in the enclosure;

a second air channel located in the enclosure;

a divider that separates the first air channel from the second air channel;

a first filter located in first air channel, and in direct fluid communication with the first air channel;

a first filter located in the second air channel, and in direct fluid communication with the second air channel;

a first air blower configured to pull air from the ambient environment generally into the first air channel, moving said air through the first filter, and returning said air into the ambient environment, creating generally a first air stream;

a second air blower configured to pull air from the ambient environment generally into the second air channel, moving said air through the second filter and returning said air into the ambient environment, creating generally a second air stream;

a control system that controls the activation and deactivation of the first and second air blower, such that the control system is configured to operate the blowers independently or together,

2. The air filtration and air purification apparatus of claim 1, wherein the first filter is a HEPA fitter and the second filter is a filter of an equal or lesser rating than the first fitter.

3. The air filtration and air purification apparatus of claim 1, wherein the first filter may be a HEPA filter rated at about 99.97%, and the second filter has a rating equal or less than the first filter'"'"'s rating.

4. The air filtration and air purification apparatus of claim 1, wherein the first filter is a HEPA filter with a MERV rating of about 17, and is filter rated at about 99.97%, and the second filter has a MERV from about 17 to about 4.

5. The air filtration and air purification apparatus of claim 1, wherein the first filter and second filter may have either efficiency ratings, or one filter may have a different efficiency rating than the other.

6. The air filtration and air purification apparatus of claim 1, wherein the control system is configured to operate in at least three operating modes:

a first operating mode such that the first air blower is running simultaneously with the second air blower;

a second operating mode such that the first air blower is running while the second air blower is not running; and

a third operating mode such that the second air blower is running while the first air blower is not running.

7. The air filtration and air purification apparatus of claim 1, wherein the first blower and second blower are each configured to move about the same amount of air as the other blower, measured in cubic feet per minute.

8. The air filtration and air purification apparatus of claim 1, wherein the first blower and second blower may be each configured to move different amounts of air as the other blower, measured in cubic feet per minute.

9. A portable air filtration and air purification apparatus comprising:

an enclosure, the enclosure having a top, a bottom, and a rear;

a first air channel located in the enclosure;

a second air channel located in the enclosure;

a divider that separates the first air channel from the second air channel;

a first filter in direct fluid communication with the first air channel;

a first filter in direct fluid communication with the second air channel;

a first air blower configured to pull air from the ambient environment generally into the first air channel, and out through the first filter into the ambient environment, creating generally a first air stream;

a second air blower configured to pull air from the ambient environment generally into the second air channel, and through the second filter and then into the ambient environment, creating generally a second air stream;

a control system that controls the activation and deactivation of the first and second air blower, such that the control system is configured to operate the blowers independently or together.

10. The air filtration and air purification apparatus of claim 9, a control system that controls the activation and deactivation of the first and second air blower, such that the control system is configured to operate in at two operating modes:

a first operating mode such that the first air blower is running simultaneously with the second air blower;

a second operating mode such that the first air blower and second blower is running independent of each other.

11. The air filtration and air purification apparatus of claim 9, wherein the control system controls the activation and deactivation of the first and second air blower, such that the control system is configured to operate the blowers independently or together.

12. The air filtration and air purification apparatus of claim 9, wherein the first blower and second blower are each configured to move about the same amount of air as the other blower, measured in cubic feet per minute.

13. The air filtration and air purification apparatus of claim 9, wherein the first blower and second blower may be each configured to move different amounts of air as the other blower, measured in cubic feet per minute.

14. The portable air filtration and air purification apparatus of claim 9, wherein the first air blower is generally attached to the bottom of the enclosure, and the first air channel extends generally from the first air blower to the first exit filter;

and

wherein the second air blower is generally attached to the rear of the enclosure, and is located further from the bottom of the enclosure than the first air blower, and the second air channel extends generally from the second air blower to the second air filter.

15. The portable air filtration and air purification apparatus of claim 9, wherein the first air blower is generally attached to the bottom of the enclosure, and the first air channel extends generally from the first air blower to the first exit filter;

and

wherein the second air blower is generally attached to the bottom of the enclosure, and the second air channel extends generally from the second air blower to the second air filter.

16. The portable air filtration and air purification apparatus of claim 9, further comprising:

a first pre-filter located such that the air that is pulled into the first air blower is filtered by the first pre-filter; and

a second pre-filter located such that the air that is pulled into the second air blower is filtered by the second pre-filter;

17. The portable air filtration and air purification apparatus of claim 9, wherein the first filter is a HEPA class filter rated at about 99.975%, and the second filter is a HEPA class filter rated at about 95%.

18. The portable air filtration and air purification apparatus of claim 9, wherein the first filter has a higher HEPA class than the second filter.

19. The portable air filtration and air purification apparatus of claim 9, where the first and second pre-fitters are HEPA class filters, with a MERV rating between 17 and 4.

20. An air filtration and air purification apparatus comprising:

an enclosure, the enclosure having a top, a bottom, sides and a rear;

a first air channel located in the enclosure;

a second air channel located in the enclosure;

a divider that separate the first air channel from the second air channel, the divider comprising a rotatable damper, the damper comprising;

a first member, the first member configured to rotate to a blocking position, where the first member generally blocks air flow through the first air channel, and the first member configured to rotate to a passing position, where the first member generally allows air to flow through the first air channel;

a second member, the second member configured to rotate to a blocking position, where the second member generally blocks air flow through the second air channel, and the second member configured to rotate to a passing position, where the second member generally allows air to flow through the second air channel;

a first filter located in direct fluid communication with the first air channel;

a first filter located in direct fluid communication with the second air channel;

an air blower configured to pull air from the ambient environment generally into the first air channel when the first member is in a passing position, and the second member is in a blocking position, and through the first filter into the ambient environment;

the air blower also configured to pull air from the ambient environment generally into the second air channel when the first member is in a blocking position, and the second member is in a passing position, and through the second filter into the ambient environment;

a control system that controls the activation and deactivation of the blower, and the position of the first and second members,

21. An air filtration and air purification apparatus of claim 20, further comprising:

a first pre-filter located such that the air that is pulled into the first air blower is filtered by the first pre-filter; and

a second pre-fitter located such that the air that is pulled into e second air blower is filtered by the second pre-filter;

22. An air filtration and air purification apparatus of claim 20, wherein the first filter is a HEPA class filter rated at 99.975%, and the second filter is an HEPA class filter.

23. An air filtration and air purification apparatus of claim 20, wherein the first filter has a higher HEPA class than the second filter.

24. The portable air filtration and air purification apparatus of claim 20, where the first and second pre-filters are HEPA class filters rated at least 99.997%

25. A portable air filtration and air purification apparatus for filtering and purifying the air in a room, the apparatus comprising:

an enclosure, the enclosure having a top, a bottom, and a rear;

a means for creating a first air stream leaving the enclosure filtered to remove about 99.975% of all particles that are 0.03 microns or larger;

a means for creating a second air stream leaving the enclosure filtered to remove about 95% of all particles that are 5 microns or larger, and where the second air stream has a greater velocity than the first air stream.

26. The portable air filtration and air purification apparatus of claim 25, further comprising:

a means for creating a third air stream that is combination of a portion of the first air stream and a portion of the second air stream, where the third air steam has a greater air stream velocity than either the first or second air stream.