A surface cleaning apparatus comprises an air treatment member having a first end, a longitudinally spaced apart second end, an air inlet and an air outlet comprising an outlet conduit; an air flow path extending from a dirty air inlet to a clean air outlet and including a suction motor and the air treatment member; a pre-motor filter positioned in the air flow path downstream from the outlet conduit; and, an agitation member operatively engageable with the pre-motor filter.

An apparatus and a method are provided for a heating, ventilation, and air conditioning (HVAC) home air filter to remove airborne molecular contaminants and volatile organic compounds (VOCs) from air within residential spaces. The HVAC home air filter includes a supportive frame having a shape and size suitable to orient the HVAC home air filter within a residential HVAC system. A filter medium is retained within the supportive frame to remove the airborne molecular contaminants and VOCs from air flowing through the residential HVAC system. The filter medium includes a combination of media layers configured to exhibit a relatively high filtration efficiency and a low air pressure drop across the filter medium. The supportive frame includes a plurality of elongate sections and corner sections disposed along perimeter edges of the filter medium to support the filter medium within the residential HVAC system so as direct air through the filter medium.

An apparatus and a method are provided for a heating, ventilation, and air conditioning (HVAC) home air filter to remove airborne molecular contaminants and volatile organic compounds (VOCs) from air within residential spaces. The HVAC home air filter includes a supportive frame having a shape and size suitable to orient the HVAC home air filter within a residential HVAC system. A filter medium is retained within the supportive frame to remove the airborne molecular contaminants and VOCs from air flowing through the residential HVAC system. The filter medium includes a combination of media layers configured to exhibit a relatively high filtration efficiency and a low air pressure drop across the filter medium. The supportive frame includes a plurality of elongate sections and corner sections disposed along perimeter edges of the filter medium to support the filter medium within the residential HVAC system so as direct air through the filter medium.

An apparatus for moving a fluid to or from a cavity on a body of a human or mammal patient. The apparatus comprising a fluid movement device, an energy source adapted to supply energy to said fluid movement device and at least one connecting tube having a tube end. The at least one connecting tube being connected to the fluid movement device. The apparatus further comprises, a flexible patch. The fluid movement device and the at least one connecting tube forms a fluid moving arrangement adapted to be implanted inside the body of the human or mammal patient. The fluid movement device is adapted to move fluid from a treatment area via the at least one connecting tube to a delivery area. The flexible patch comprises a net structure adapted to be overgrown by human fibrotic tissue hen implanted in the patient

The invention relates to a method for the regeneration of a soot particulate filter that is installed on the outlet side of an internal combustion engine, comprising the following steps: detecting a loading value of the soot particulate filter; measuring an operating temperature of the soot particulate filter; switching off a cylinder of the internal combustion engine; starting a supply of fresh air to the soot particulate filter via the switched-off cylinder; adjusting a cylinder valve so as to control the supply of fresh air; regenerating the soot particulate filter. The invention further relates to a control unit, to an internal combustion engine and to a motor vehicle for carrying out a method of this kind.

A filter media includes a membrane and a protective scrim secured to a surface of the membrane. The membrane includes fibres of a first polymer having a diameter less than 1 micron, and the scrim includes fibres of a second polymer. The first polymer is hydrophobic and has a contact angle greater than 90 degrees, and the second polymer is hydrophilic and has a contact angle less than 90 degrees.

A blood clot removal device for removing blood clots from the vascular system of a patient is implantable in the patient's body. The blood clot removal device comprises a blood flow passageway, a filter provided in the blood flow passageway for filtering blood clots, and a cleaning device for cleaning the filter. By means of such blood clot removal device and system, the risk of blood clots reaching sensitive areas of the patient's body, such as the brain, is reduced.

An apparatus and a method are provided for a heating, ventilation, and air conditioning (HVAC) home air filter to remove airborne molecular contaminants and volatile organic compounds (VOCs) from air within residential spaces. The HVAC home air filter comprises a supportive frame having a shape and size suitable to orient the HVAC home air filter within a residential HVAC system. A filter medium is retained within the supportive frame to remove the airborne molecular contaminants and VOCs from air flowing through the residential HVAC system. The filter medium comprises a combination of media layers configured to exhibit a relatively high filtration efficiency and a low air pressure drop across the filter medium. The supportive frame comprises a plurality of elongate sections and corner sections disposed along perimeter edges of the filter medium to support the filter medium within the residential HVAC system so as direct air through the filter medium.

A method is provided for operating a suction device that includes a suction unit and a removable filtering device. The suction unit generates a suction flow that flows through the filtering device when arranged on the suction device, in which, after the suction unit is started up, a check is performed of whether the filtering device is present, and if detected as not present, the suction unit is switched off. An evaluation unit uses check data to determine whether a switch-off signal is to be generated for the suction unit. The evaluation unit uses an algorithm or a table to arrive at a decision on switching off the suction unit based on the check data. The table contains at least one threshold value or the algorithm defines at least one threshold value, wherein the at least one threshold value is a threshold value for switching off the suction unit.

A filtering device for removing particles from a fluid of a patient is provided. The filtering device being implantable in the patient's body and comprising a cassette comprising a revolving member, said revolving member having at least two segments each holding a respective filter. The device further comprises a tube forming a fluid passageway through one of the filters in said cassette, wherein the cassette is adapted to, upon revolution of the revolving cylinder, change the filter positioned in the fluid passageway from a first one of said filters to a second one of said filters, thereby allowing particles present on the first filter to be moved away from the fluid passageway, while at the same time changing the filter positioned in the fluid passageway.