초록 ▼

An apparatus for covering a vent that prevents material, either solid, liquid or gaseous from entering the vent. A plurality of baffles forms an annular space that provides a tortuous path for materials entering or leaving the vent. An alarm system may be added to the apparatus to alert/warn of tamp

An apparatus for covering a vent that prevents material, either solid, liquid or gaseous from entering the vent. A plurality of baffles forms an annular space that provides a tortuous path for materials entering or leaving the vent. An alarm system may be added to the apparatus to alert/warn of tampering.

대표청구항 ▼

1. A security vent cover for an air vent to inhibit the introduction of hazardous materials through the vent comprising:an inner baffle coupled to a top plate including one or more inner apertures adjacent to the top plate;an outer baffle coupled to the top plate; anda fastener coupled the vent to t

1. A security vent cover for an air vent to inhibit the introduction of hazardous materials through the vent comprising:an inner baffle coupled to a top plate including one or more inner apertures adjacent to the top plate;an outer baffle coupled to the top plate; anda fastener coupled the vent to the inner baffle; wherein the inner and outer baffle form an annular space to create a tortuous air flow pathway from the vent to the exterior of the vent cover. 2. The vent cover of claim 1 wherein the annular space is covered by a screening material. 3. The vent cover of claim 1 wherein the annular space is filled with screening a material. 4. The vent cover of claim 1 wherein the inner apertures are covered by a screening material. 5. The vent cover of claim 1 further comprising an alarm system. 6. The vent cover of claim 1 wherein the fastener is a flange plate. 7. Security apparatus for covering a vent comprising,an inner baffle and an outer baffle;a fastener for coupling the inner baffle to the vent;a top plate coupled the baffles to form an annular space; andan alarm system coupled to the inner and outer baffles; wherein the inner baffle includes apertures to cause gas to flow through a tortuous path to/from the vent to outside the apparatus; wherein the introduction of hazardous materials through the vent is inhibited. 8. The apparatus of claim 7 wherein the fastener is further coupled to the vent. 9. The apparatus of claim 7 wherein the fastener is further coupled to a structure that includes the vent. 10. The apparatus of claim 7 wherein the annular space is covered by screening material. 11. The apparatus of claim 7 wherein the annular space is filled with screening material. 12. The apparatus of claim 7 wherein the apertures are covered by screening material. 13. The apparatus of claim 7 wherein the fastener is a flange plate. 14. A security cover for a vent comprising,a base plate coupled to the vent,a cap comprising a plurality of baffles with an inner baffle coupled to the be plate, wherein the baffles form a tortuous path between the cap and the base plate to the vent, wherein the cap is coupled to the base plate by a plurality of locking pins. 15. The security cover of claim 14 further comprising an alarm system. 16. The security cover of claim 14 further comprising a collar coupled to the base plate. 17. The security cover of claim 14 wherein the tortuous path is filled with a screening material. 18. A security cover for a vent comprising,a base plate coupled to a collar, wherein the collar is further coupled to the vent,a cap comprising a plurality of baffles coupled to the base plate,wherein the baffles form a tortuous path between the cap and the base plate the vent,wherein the cap is coupled to the base plate by a plurality of locking pins,wherein the collar is further coupled to base plate,wherein there is a cover baffle, a deflector baffle and a core baffle, the cover baffle and core baffle further comprising vent holes. 19. A security cover for a vent comprising,a base plate coupled to a collar, wherein the collar is further coupled to the vent,a cap comprising a plurality of baffles coupled to the base plate,a transmitter,wherein the baffles form a tortuous path between the cap and the base plate to the vent,wherein the cap is coupled to the base plate by a plurality of locking pins,wherein the collar is further coupled to base plate. 20. A security cover for a vent comprising,a base plate coupled to a collar, wherein the collar is further coupled to the vent,a cap comprising a plurality of baffles coupled to the base plate,wherein the baffles form a tortuous path between the cap and the base plate to the vent,wherein the cap is coupled to the base plate by a plurality of locking pins,wherein the collar is further coupled to base plate, andwherein the vent holes are covered by a screening material.