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An apparatus for monitoring the consumption of fluid by a user, particularly fluids being drank from a container. The apparatus may be used with wide variety of container types. The fluid monitoring unit uses a pair of gears in rotational engagement with each other such that fluid passes around them

An apparatus for monitoring the consumption of fluid by a user, particularly fluids being drank from a container. The apparatus may be used with wide variety of container types. The fluid monitoring unit uses a pair of gears in rotational engagement with each other such that fluid passes around them and rotation of at least one gear is indicative of fluid consumption. The gears in at least one exemplary embodiment are arranged to have low frictional resistance with respect to each other and their respective axles such that the gears quickly and easily rotate and over a wide fluid flow range. This allows the apparatus to accurately and consistently monitor fluid flow from very low flow rates to high flow rates and therefore provide very reliable consumption information. The apparatus in one exemplary embodiment includes an electromagnetic drinking straw embodiment that allows a user to monitor the consumption of fluids from virtually any container type.

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What is claimed is: 1. An apparatus for monitoring the amount of fluid consumed by a user from a fluid container, comprising: a first tube capable of communicating fluid from a fluid container; a fluid monitoring unit connected to said first tube, said fluid monitoring unit including a housing havi

What is claimed is: 1. An apparatus for monitoring the amount of fluid consumed by a user from a fluid container, comprising: a first tube capable of communicating fluid from a fluid container; a fluid monitoring unit connected to said first tube, said fluid monitoring unit including a housing having a fluid inlet and a fluid outlet, a first gear arrangement disposed within said housing, a second gear arrangement disposed within said housing, wherein said first gear arrangement and said second gear arrangement are disposed adjacent to and in interlocking communication with each other, and a sensor connected to said housing; and a second tube connected to said fluid monitoring unit, wherein said fluid monitoring unit accurately measures the amount of fluid consumed by a user over the full range of human consumption. 2. The apparatus of claim 1, wherein said first gear arrangement and said second gear arrangement cover substantially the entire internal cross-section of said housing. 3. The apparatus of claim 1, wherein said first gear arrangement and said second gear arrangement are provided with a small clearance with respect to each other. 4. The apparatus of claim 3, wherein said small clearance is approximately 0.01 inches. 5. The apparatus of claim 1, wherein said first gear arrangement and said second gear arrangement are provided with a small clearance with respect to said housing. 6. The apparatus of claim 5, wherein said small clearance is approximately 0.01 inches. 7. The apparatus of claim 1, wherein said sensor includes a light source, and a light detector positioned such that light passing between them is interruptible by at least one tooth of one of said first gear arrangement and said second gear arrangement. 8. The apparatus of claim 1, further comprising at least one magnet embedded in at least one of said first gear arrangement and said second gear arrangement; and a Hall effect sensor connected to said housing. 9. The apparatus of claim 1, further comprising a processor connected to said sensor for receiving a signal indicative of gear rotation representing fluid consumption, and a memory connected to said processor. 10. The apparatus of claim 9, wherein said processor having means for determining fluid consumption, and means for notifying the user if consumption is outside norms. 11. The apparatus of claim 9, further comprising a communications jack connected to said processor. 12. The apparatus of claim 9, further comprising a display connected to said processor. 13. The apparatus of claim 1, further comprising a valve connected to said second tube. 14. The apparatus of claim 13, wherein said valve is a bite valve. 15. The apparatus of claim 1, further comprising a check valve between said housing and said first tube. 16. The apparatus of claim 1, further comprising a check valve between said housing and said second tube. 17. The apparatus of claim 1, wherein said gears are able to slide along said respective axle. 18. An apparatus for measuring the amount of fluid consumed by a user, comprising: at least one straw; and, a fluid monitoring unit connected to said at least one straw, said fluid monitoring unit comprising: a housing having a fluid inlet and a fluid outlet, a first gear arrangement disposed within said housing, a second gear arrangement disposed within said housing, wherein said first gear arrangement and said second gear arrangement are disposed adjacent to and in interlocking communication with each other, and a rotation monitoring system connected to said housing, wherein said rotation monitoring system senses the movement of said first gear arrangement and said second gear arrangement and accurately measures the amount of fluid consumed by a user over the full range of human consumption. 19. The apparatus according to claim 18, wherein said fluid inlet and said fluid outlet are positioned such that fluid flows into said housing from said fluid inlet and along the perimeter of said housing towards said fluid outlet. 20. The apparatus according to claim 19, such that said first gear arrangement and said second gear arrangement rotate in response to the movement of fluid through said fluid monitoring unit. 21. The apparatus of claim 18, wherein at least one of said at least one straw is connected to said fluid inlet of said housing. 22. A fluid monitoring unit, comprising: a housing having a fluid inlet and a fluid outlet; a pair of axles within said housing; a first and second gear, with each gear in rotational communication with a respective axle and in interlocking communication with each other, wherein said first gear covers approximately a first half of said housing and said second gear covers approximately a second half of said housing, and a path for fluid exists from said fluid inlet through said housing along a perimeter of said first and second gears to said outlet such that said gears rotate in response to movement of fluid through said fluid monitoring unit; and a sensor connected to said housing to sense movement of at least one of said first gear and said second gear, wherein said sensor accurately measures flow rates over the range of human consumption, and wherein said fluid has a density and viscosity substantially similar to water.