Patent ID: 7392806

Claim:
A portable electronic human breath filtration device adapted to be carried on a human body, comprising a filtration apparatus which is adapted to interact with human inhalation and exhalation efforts as energy source to drive the breathing air of the user through the said filtration apparatus and is further comprised of a mask module including a mask chamber adapted to surround the nose and mouth of a user and a filter chamber for an electronic filter element to be installed; a seal, which is supported by the mask module, separates the mask chamber from the ambient by forming a sealing edge along the edge of the mask module and the skin surface of the user when the said device is being adapted to be worn onto the face by the user; a mounting strap, which is supported by the mask module is adapted to be wrapped above the ears and around the back of the head of the user to keep the mask module covering the nose and mouth of the user; two under ear straps, with one at each side, are supported by the mask module on one end and the other end attached to the mounting strap to increase stability of the mask module when being adapted to be worn on the face of the user; an electronic filter element is installed inside the filter chamber of the mask module; a front louver cover with slotted holes covers the front entrance of the electronic filter element is mounted to the front side of the mask module; a rear louver cover with slotted holes covers the back entrance of the electronic filter element is mounted to the inside of the mask module; a control system including a printed circuit board assembly, electronic components and battery to provide electronic functions to operate the said electronic filter element and; a connection cable connects the said electronic filter element to the said control system.