Passive dust filter for an inspection hatch
AssigneeBenetech, Inc.
InventorRobert Huskisson
Life of this patent
Estimating the term…
Abstract
The invention is directed to a passive dust filtering system for an inspection hatch of steel bulk storage vessel. The system includes a filter containment unit and an adaptor section for securing the unit to the storage vessel. The adaptor section includes a mounting flange having one or more magnetic switches to engage the storage vessel. A purge control system is used to periodically pulse air into filter elements in the filter containment unit to blow dust from the outside of the filter elements back into the vessel.
Claims20
A passive dust filtering system for an inspection hatch comprising:
- a filter containment unit;
- an adapter section connected to the filter containment unit for attaching the filter containment unit to a hatch of a bulk storage vessel;
- a plurality of filter elements supported in the filter containment unit;
- and,
- an air purge system in the filter containment unit for removing dust from an outer surface of the filter elements.
A portable passive dust filtering system for a hatch of bulk storage vessel comprising:
- a rectangular filter containment unit having a plurality of outer side walls and an interior chamber;
- an adapter section connected to a first end of the filter containment unit, the adapter section including a mounting flange configured to secure the filter containment unit to a hatch of the bulk storage vessel;
- a plurality of magnetic switch brackets connected to the mounting flange;
- and,
- a lid connected to a second end of the filter containment unit.
Dependencies are inferred from the claim text.