Method and apparatus for achieving temperature uniformity and hot spot cooling in a heat producing device
First Claim
1. A method of controlling temperature of a heat source in contact with a heat exchanging surface of a heat exchanger, wherein the heat exchanging surface is substantially aligned along a plane, the method comprising:
- a. channeling a selectable, non-uniform amount of a first temperature fluid to one or more predetermined locations on the heat exchanging surface, wherein the first temperature fluid undergoes thermal exchange with the heat source along the heat exchanging surface; and
b. channeling a second temperature fluid from the heat exchange surface, wherein fluid is channeled to minimize temperature differences along the heat source.
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Abstract
A method of controlling temperature of a heat source in contact with a heat exchanging surface of a heat exchanger, wherein the heat exchanging surface is substantially aligned along a plane. The method comprises channeling a first temperature fluid to the heat exchanging surface, wherein the first temperature fluid undergoes thermal exchange with the heat source along the heat exchanging surface. The method comprises channeling a second temperature fluid from the heat exchange surface, wherein fluid is channeled to minimize temperature differences along the heat source. The temperature differences are minimized by optimizing and controlling the fluidic and thermal resistances in the heat exchanger. The resistances to the fluid are influenced by size, volume and surface area of heat transferring features, multiple pumps, fixed and variable valves and flow impedance elements in the fluid path, pressure and flow rate control of the fluid, and other factors.
400 Citations
165 Claims
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1. A method of controlling temperature of a heat source in contact with a heat exchanging surface of a heat exchanger, wherein the heat exchanging surface is substantially aligned along a plane, the method comprising:
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a. channeling a selectable, non-uniform amount of a first temperature fluid to one or more predetermined locations on the heat exchanging surface, wherein the first temperature fluid undergoes thermal exchange with the heat source along the heat exchanging surface; and
b. channeling a second temperature fluid from the heat exchange surface, wherein fluid is channeled to minimize temperature differences along the heat source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A heat exchanger for controlling a heat source temperature comprising:
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a. a first layer in substantial contact with the heat source and configured to perform thermal exchange with fluid flowing in the first layer, the first layer aligned along a first plane; and
b. a second layer coupled to the first layer for channeling fluid to the first layer and for channeling fluid from the first layer, wherein the heat exchanger is configured to minimize temperature differences along the heat source. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83)
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84. A hermetic closed loop system for controlling a temperature of a heat source comprising:
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a. at least one heat exchanger for controlling the temperature of the heat source by channeling selectable, non-uniform amounts of a fluid to one or more predetermined locations on the heat source, wherein the heat exchanger is configured to minimize temperature differences in the heat source;
b. at least one pump for circulating fluid throughout the loop, the at least one pump coupled to the at least one heat exchanger; and
c. at least one heat rejector coupled to the at least one pump and the at least one heat exchanger. - View Dependent Claims (85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123)
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124. A heat exchanger for controlling a heat source temperature comprising:
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a. a first layer in substantial contact with the heat source and configured to perform thermal exchange with fluid flowing in the first layer, the first layer aligned along a first plane; and
b. a second layer coupled to the first layer for channeling selectable amounts of fluid to one or more predetermined locations within the first layer and for channeling fluid from the first layer, wherein the one or more predetermined locations within the first layer correspond to one or more predetermined locations on the heat source, further wherein the heat exchanger is configured to minimize temperature differences along the heat source, wherein the heat exchanger corresponds to one heat source. - View Dependent Claims (125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165)
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Specification