Air filter

• US 20080034971A1
• Filed: 08/11/2006
• Published: 02/14/2008
• Est. Priority Date: 08/11/2006
• Status: Abandoned Application

• Current Assignee: Daryl Mcintosh
• Original Assignee: Daryl Mcintosh
• Inventors: McIntosh, Daryl
• Application Number:
  US11/502,573
• Publication Number:
  US 20080034971A1
• Time in Patent Office: Days
• US Class Current: 95/273
• CPC Class Codes: B01D 2279/50 for air conditioning air-conditioning systems comprising filters F24F8/10
• CPC Class Codes: B01D 46/0028 provided with antibacterial or antifungal means
• CPC Class Codes: B01D 46/10 Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
• CPC Class Codes: F24F 8/10 by separation, e.g. by filtering
• CPC Class Codes: F24F 8/108 using dry filter elements

Abstract

An improved air-conditioner filter, including a planar element for entrapping dust particles, and an additional planar porous element impregnated with a bacteriostat, the filter being arranged in an air-handler unit such that inducted air is first filtered for dust, and subsequently treated for remaining micro-sized organic material. A frame element peripherally encloses the element for entrapping dust particles and the additional porous element so that the components of the filter may be readily replaced as a unit.

Claims

1. In a replaceable air filter for an air-conditioning unit, including a fibrous outer frame element, a screen element, and a dust filter element, the peripheral edges of said screen unit and filter unit being secured to said frame element, the improvement comprising:

a biostatic element of porous sponge-like planar material positioned between said screen element and said filter element, said biostatic element being coated with a biostatic material exposed to filtered air passing through said dust filter element;

said entire frame element peripherally enclosing said screen element, biostatic element, and dust filter element.

2. The improvement in accordance with claim 1, said biostatic element being formed of porous polyester material, and having a thickness ranging from 10 mils to one inch, and a pore size ranging from 7 to 10 microns.

3. The method of maintaining air-conditioning condensate drain conduits in a system against blockage caused by the accumulation of organic material, comprising the steps of:

a) providing an in-line air filter having a synthetic foam filter element impregnated with a water soluble bacteriostat; and

a dust filter element; and

b) positioning said filter such that air flows therethrough to first filter dust particles, and then flow through said foam filter element to destroy micro-sized organic material.