FLUID DELIVERY DEVICE
First Claim
Patent Images
1. A fluid delivery system comprising:
- a first reservoir having a first volume;
a second reservoir having a second volume and connected to said first reservoir;
a pump device operatively connected to said first reservoir and said second reservoir;
a heating device in thermal communication with said first reservoir and in substantial thermal isolation from said second reservoir; and
a delivery device connected to said first reservoir,wherein said pump device selectively causes fluid to flow from said second reservoir to said first reservoir, from said first reservoir to said delivery device and from said delivery device to the atmosphere.
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Abstract
A fluid heating and dispensing device and method of using the device, is provided. The device has a first reservoir, a second reservoir, a pump device, a heating device, and a delivery device. The first reservoir is in thermal communication with the heating device, the second reservoir is in substantial thermal isolation from the heating device, the first reservoir is substantially smaller than the second reservoir and the pump device selectively causes fluid to flow between the reservoirs and to the atmosphere. The device can have a removable supply container for refilling.
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Citations
74 Claims
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1. A fluid delivery system comprising:
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a first reservoir having a first volume; a second reservoir having a second volume and connected to said first reservoir; a pump device operatively connected to said first reservoir and said second reservoir; a heating device in thermal communication with said first reservoir and in substantial thermal isolation from said second reservoir; and a delivery device connected to said first reservoir, wherein said pump device selectively causes fluid to flow from said second reservoir to said first reservoir, from said first reservoir to said delivery device and from said delivery device to the atmosphere. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A fluid delivery system comprising:
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a first reservoir having a first volume; a second reservoir having a second volume and connected to said first reservoir; a pump device operatively connected to said first reservoir and said second reservoir; a heating device in thermal communication with said first reservoir and in substantial thermal isolation from said second reservoir; and a delivery device connected to said first reservoir; wherein said pump device selectively causes fluid to flow from said second reservoir to said first reservoir, from said first reservoir to said delivery device and from said delivery device to the atmosphere; and
said second reservoir is removable from said fluid delivery system. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A fluid delivery system comprising:
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a first reservoir having a first volume; a second reservoir having a second volume and connected to said first reservoir; a pump device operatively connected to said first reservoir and said second reservoir; and a heating device in thermal communication with said first reservoir and in substantial thermal isolation from said second reservoir, wherein said pump device selectively causes fluid to flow from said second reservoir to said first reservoir and from said first reservoir to the atmosphere; and
said first reservoir comprises a heat sink. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. A fluid delivery system comprising:
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a first reservoir having a first volume; a second reservoir having a second volume and connected to said first reservoir; a pump operatively connected to said first reservoir and said second reservoir; a heating device in thermal communication with said first reservoir and in substantial thermal isolation from said second reservoir; and a housing surrounding said first reservoir and said heating device, and forming a substantially water tight seal around said first reservoir and said heating device, wherein said pump selectively causes a fluid to flow from said second reservoir to said first reservoir and from said first reservoir. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65)
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66. A method of heating fluid in a fluid delivery system having a first reservoir, a second reservoir, and a heating device, said first reservoir being in thermal communication with said heating device and said second reservoir being in substantial thermal isolation from said heating device, comprising the steps of:
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commencing a heat up cycle by; providing full power to the heating device; determining the fluid temperature in the first reservoir; and determining if said fluid temperature is at or above a first temperature; commencing an overshoot protection cycle when said fluid temperature is at or above said first temperature by; providing reduced power to said heating device; determining said fluid temperature in said first reservoir; and determining if said fluid temperature is at or above a second temperature; and commencing a maintenance cycle when said fluid temperature is at or above said second temperature by; shutting off power to said heating device; determining said fluid temperature in said first reservoir; determining if said fluid temperature is at or below a third temperature; providing reduced power to said heating device when said fluid temperature is at or below said third temperature; determining said fluid temperature in said first reservoir; determining if said fluid temperature is at or above said second temperature; and repeating said maintenance cycle steps when said fluid temperature is at or above said second temperature. - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74)
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Specification