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US 7,094,334 B1Granted
Water filter having a filter use time indicator
AssigneeH2O International Inc.
InventorsGuillermo Guzman, Keith Worboys
Life of this patent
Estimating the term…
Abstract
The described embodiments of the present invention include a water filter having a float portion with a magnet that moves up and down due to water flow to activate a switch for tracking the use time of the filter.
Claims6
A water filter, comprising:
- a first opening for connecting to a faucet;
- a cartridge having filter media;
- a float portion residing on top of said cartridge, said float portion adapted to move up off the cartridge during water flow;
- a magnet on said float portion;
- a switch in communication with said magnet, wherein said magnet activates said switch during water flow;
- a processor electrically connected to said switch wherein said processor tracks the time water flows through the filter;
- wherein said float portion returns to the top of said cartridge when water is not flowing through said filter;
- a body portion for enclosing said cartridge;
- a space interposed between said body portion and said cartridge;
- wherein said float portion is adapted to reside in a portion of said space so that when water flows into said filter, water fills said space moving said float portion off said cartridge allowing water to flow into said cartridge.
7 more elements
A water filter, comprising:
- a cartridge having filter media;
- a float portion residing on top of said cartridge, said float portion adapted to move up off the cartridge during water flow;
- a magnet on said float portion;
- a switch in communication with said magnet, wherein said magnet activates said switch during water flow;
- a processor electrically connected to said switch wherein said processor tracks the time water flows through the filter;
- wherein said float portion returns to the top of said cartridge when water is not flowing through said filter;
- a group of LEDs for indicating the status of the filter;
- a body portion for enclosing said cartridge;
- a space interposed between said body portion and said cartridge;
- wherein said float is portion adapted to reside in a portion of said space so that when water flows into said filter, water fills said space moving said float portion off said cartridge allowing water to flow into said cartridge.
7 more elements
Dependencies are inferred from the claim text.