Reusable filter system
AssigneeHong Kong EcoAqua Co., Limited
InventorZOU ZHIBIN
Life of this patent
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Abstract
A reusable fluid filter unit is disclosed. The reusable fluid filter unit encloses a filter and is removably connected to a manifold. In an embodiment, the filter unit includes an end cap that is detachable so as to replace the filter inside the filter unit. In an embodiment, the filter unit may include embossments or other structures that depress a mechanical valve in the manifold when the filter unit engages the manifold.
Claims20
A filter system comprising:
- a housing of a filter unit that has a first end and a second end, the housing including a first opening on the first end and a second opening on the second end, the first opening and the second opening being different from each other, the first opening including at least a fastener for detachably engaging the housing with a manifold that includes a valve, the second opening being closed by a removable cap;
- a removable filter for filtering fluid, the removable filter being enclosed in the filter unit;
- and
- the removable cap that includes at least a fastener for attaching the removable cap to the second opening of the housing;
- wherein one or more embossments are located in the first opening for controlling opening and closing of the valve, wherein the removable cap is detachable from the second opening of the housing for replacing the removable filter in the filter unit.
A method of using a filter system, the method comprising:
- detaching a filter unit of the filter system from a manifold, the filter unit including at least
- a housing that has a first end and a second end, the housing including a first opening on the first end and a second opening on the second end, the first opening and the second opening being different from each other, the first opening including at least a fastener for detachably engaging the housing with the manifold that includes a valve, the second opening being closed by a removable cap;
- a removable filter for filtering fluid, the removable filter being enclosed in the filter unit;
- and
- the removable cap that includes at least a fastener for attaching the removable cap to the second opening of the housing, wherein one or more embossments are located in the first opening for controlling opening and closing of the valve, wherein the removable cap is detachable from the second opening of the housing for replacing the removable filter in the filter unit;
- detaching the removable cap from the second opening of the housing;
- removing the filter from the housing and inserting a new filter into the housing;
- attaching the removable cap to the second opening to seal the second opening of the housing;
- and
- attaching the filter unit to the manifold.
A method of assembling a filter unit of a filter system, comprising:
- forming a housing of the filter unit that has a first end and a second end, the housing including a first opening on the first end and a second opening on the second end, the first opening and the second opening facing away from each other, the first opening including at least a fastener for detachably engaging the housing with a manifold that includes a valve, the housing including one or more embossments located in the first opening for controlling opening and closing of the valve;
- installing a filter through the second opening in the housing;
- and
- connecting a removable cap to the second opening of the housing and sealing the second opening;
- wherein the removable cap is detachable from the second opening of the housing for replacing the filter in the filter unit.
A replaceable filter element for a reusable filter system, comprising:
- a filter cap that is attached to one end of a removable filter media, the filter cap including at least an outlet conduit that connects with an outlet channel in a manifold for directing fluid away from the removable filter media, the outlet conduit of the filter cap including at least an inner surface that enhances a seal between the outlet conduit and the outlet channel to prevent fluid traveling from the outlet conduit to the outlet channel from leaking.
Dependencies are inferred from the claim text.