Patent ID: 7468082

Claim:
A self cleaning gas filtration system comprising: a housing having an inlet; a filter element disposed within the housing and configured to receive a first flow of gas from the inlet; a pressurized gas source; at least one tube having a plurality of perforations, wherein the at least one tube is fluidly coupled to the pressurized gas source and wherein the plurality of perforations is configured to direct a second flow of gas from the pressurized gas source into the filter element so as to back flush the filter; a supply line configured to provide second flow of gas to the at least one tube; an outlet from the housing configured to receive at least a portion of the second flow of gas; and at least one vibration device fluidly coupled to the supply line and configured to vibrate the filter element during the back flush of the filter element, wherein the vibration device is configured to be operated by the second flow gas.