Air filter for a well
AssigneeIn-Well Technologies, Inc.
InventorKenneth A. Meyers
Life of this patent
Estimating the term…
Abstract
An air filter for a well is installed within a well casing of the well. The air filter forming an airtight seal around the well casing of the well, such that all the air that enters and exits the well must pass through the air filter. The air filter preferably includes a filter housing, at least one removable gasket and a removable filter cartridge installed within an opening extending through the filter housing. The air filter prevents dirt, dust, bacteria, gaseous chemicals, volatile organic compounds, (VOCs), insects and other air born contaminants from entering and possibly contaminating the well. An air filter may also be installed within a vent pipe extending through a well seal attached to the top of a well casing of a well.
Claims22
An air filter for a well comprising:
- a filter housing mounted to a well casing;
- a filter cartridge removably mounted within an opening extending through the filter housing;
- a first sealing means for sealing the filter housing to the well casing;
- and
- a second sealing means for sealing the filter cartridge to the filter housing.
An air filter assembly installed in a well comprising:
- a filter housing mounted in the well;
- a filter cartridge removably mounted within an opening extending through the filter housing;
- and
- sealing means for sealing the filter housing and filter cartridge within the well.
An air filter assembly installed within a well system, the air filter assembly comprising:
- a filter housing mounted within the well system;
- a filter cartridge removably mounted within the filter housing;
- and
- sealing means for sealing the filter housing and filter cartridge within the well system.
An air filter for a well comprising:
- a filter for filtering air entering the well;
- and
- sealing means for sealing the filter to an air entrance of the well to ensure that all air entering the well flows through the filter.
Dependencies are inferred from the claim text.