Abstract: A method is provided for making a synthetic jet ejector.

Abstract: A thermal management system (201) is provided which includes a housing (203) equipped with a first set of apertures S1={a1, ai} (213), a second set of apertures S2={b1, . . . bj} (215) and a set of entrainment features S3={c1, Ck} (217), wherein i, j, k?1, and wherein, for any pair of adjacent apertures Pa={am, bn}, wherein am ? S1 and m ? I={1, . . . , i}, and wherein bn ? S2 and n ? J={1, . . . , j}, there is at least one entrainment feature cp ? S3 which is disposed between aperture am and aperture bn, wherein p ? K={1, . . . , k} . The thermal management system also includes a synthetic jet actuator disposed in said housing which is in fluidic communication with the sets of apertures S1 and S2 and which operates to create a synthetic jet at each aperture dr ? { S1, S2}, wherein r ? I?J.

Abstract: A method is provided for making a synthetic jet ejector.

Abstract: A method is provided for operating a thermal management system which includes providing a set of synthetic jet actuators A={a1, . . . , an} (309, 311, 313), wherein n?3, and wherein each member of A has a diaphragm which oscillates along a principle axis. The members of set A are arranged and operated such that they have corresponding forces F1, . . . , Fn at any given time during their operation, wherein any force Fk ? {F1, . . . , Fn} has vector components along mutually orthogonal axes x, y and z of Fkx, Fky, and Fkz, wherein at least one of the sets Sx={|F1x|, . . . , |Fnx|}, Sy={|F1y|, . . . , |Fny|} and Sz={|F1z|, . . . , |Fnz|} has more than one member, and wherein the sum TF=?i=1n Fi is essentially zero.

Abstract: An illumination device 1701 is provided which includes a light emitting portion 1703; an LED 1715 disposed within said light emitting portion; a threaded connector module 1705 adapted to rotatingly engage said illumination device to a source of electricity; a heat sink 1759 disposed between said light emitting portion and said connector module; and a synthetic jet ejector 1709 disposed between said light emitting portion and said connector module.

Abstract: A synthetic jet ejector (201) is provided which includes a chassis (203); first (205) and second (207) opposing synthetic jet actuators mounted in the chassis; and a controller (209) which controls the first and second synthetic jet actuators and which is in electrical contact with the first and second synthetic jet actuators by way of flexible circuitry (211, 213).

Abstract: A device is provided which includes (a) a thermally conductive base having first and second major surfaces; (b) a die attached to said first major surface of said base; (c) a heat pipe having a first end which is attached to said second major surface of said base; (d) a plurality of heat fins attached to a second end of said heat pipe; and (e) at least one synthetic jet ejector disposed between said base and said plurality of heat fins.

Abstract: A semiconductor device is provided which functions as a synthetic jet ejector. The semiconductor device (201) includes a first layer (203), a third layer (207), and a second layer (205) disposed between the first layer and the third layer, wherein the second layer includes a MEMS comb drive (221). The device has a plurality of apertures therein (209, 211, 213, 215 and 217) which are in fluidic communication with the comb drive and which are also in fluidic communication with the external environment. The comb drive operates to generate a plurality of synthetic jets at the plurality of apertures.

Abstract: A light source (101) is provided which comprises (a) a housing element (107); (b) a heat sink (109); (c) a first flow channel element (111) which, alone or in combination with said housing element, creates (i) a first set of flow paths (221) for the flow of fluid in a first direction through the light source, and (ii) a second set of flow paths (223) for the flow of fluid in a second direction through the light source; (d) a set of synthetic jet actuators (143, 145) having at least one member and being in fluidic communication with said first set of flow paths; and (e) a set of LEDs (113) containing at least one member and being in thermal contact with said heat sink.

Abstract: A device (201) is provided which includes a host device (203) having a heat source (205) therein. A synthetic jet ejector (207) is embedded in the host device and is equipped with a temperature sensor (205) and a controller (211) which controls the operation of the synthetic jet ejector. The controller starts the synthetic jet ejector only when the temperature sensed by the temperature sensor exceeds a minimum threshold value Tv.

Abstract: A device (201) is provided which includes a smart LED controller (203), an LED assembly (205) and a synthetic jet ejector (259). The smart LED controller controls the operation of both the LED assembly and the synthetic jet ejector.

Abstract: A synthetic jet ejector (501) is provided which includes a diaphragm (503) and a chassis (505). The chassis has first and second major surfaces which are equipped with a set of interlocking features (509) such that a first instance of the synthetic jet ejector releasably attaches to a second instance of the synthetic jet ejector by way of the interlocking features.

Abstract: A method for making a diaphragm is provided. The method includes providing a first ring (305) having a first diameter and a second ring (307) having a second diameter which is greater than said first diameter, wherein at least one of said first and second rings comprises a first elastomeric material; and overmolding the first and second rings with a second material (303) which is distinct from said first material, thereby forming a diaphragm (301).

Abstract: A synthetic jet ejector (201) is provided which includes a housing assembly (239, 241) which is equipped with a first plurality of openings (203, 207) and a second plurality of openings (205, 209), and a diaphragm assembly disposed within the housing assembly. The diaphragm assembly includes first (229) and second (243) armatures, a coil (235) disposed between the first and second armatures, first (221) and second (255) end caps, a first diaphragm (223) disposed between the first end cap and the first armature, and a second diaphragm (249) disposed between the second end cap and the second armature. The first and second diaphragms contain a first set of keying features (273) which keys them to the housing assembly. The synthetic jet ejector emits a first plurality of synthetic jets out of the first plurality of openings, and emits a second plurality of synthetic jets out of the second plurality of openings.

Abstract: A synthetic jet ejector (201) is provided which includes a housing (203). A blade (205) is disposed in the housing which has a first fixed end (207) and a second movable end (209), and which is driven by an actuator to trace out a first volume as its free end moves between a first apex and a second apex. The housing has a first portion which is spaced apart from, and complimentary in shape to, at least a portion of the first volume. The spacing (217) between this volume and the first portion is sufficiently small to form a viscous seal around the periphery of the actuator.

Abstract: A synthetic jet actuator is provided which includes a voice coil, a yoke consisting of a back iron (303) and pole piece, a plate (307), a first magnet (305) disposed on a first side of said plate, and a second magnet (309) disposed on a second side of said plate. The second magnet is disposed on said pole piece, and the first and second magnets and the plate cooperate to produce and direct magnetic flux which drives the voice coil.

Abstract: A thermal management system (201) is provided which includes a housing (203) equipped with a first set of apertures S1={a1, ai} (213), a second set of apertures S2={b1, . . . bj} (215) and a set of entrainment features S3={c1, Ck} (217), wherein i, j, k?1, and wherein, for any pair of adjacent apertures Pa={am, bn}, wherein am ? S1 and m ? I={1, . . . , i}, and wherein bn ? S2 and n ? J={1, . . . , j}, there is at least one entrainment feature cp ? S3 which is disposed between aperture am and aperture bn, wherein p ? K={1, . . . , k} . The thermal management system also includes a synthetic jet actuator disposed in said housing which is in fluidic communication with the sets of apertures S1 and S2 and which operates to create a synthetic jet at each aperture dr ? { S1, S2}, wherein r ? I?J.

Abstract: An illumination device (b1-01) is provided which comprises a housing (b1-03) equipped with an aperture (b1-37), first (b1-33) and second (b1-35) diaphragms disposed in said housing and in fluidic communication with said aperture, and an LED (b1-15) disposed between said first and second diaphragms.

Abstract: A method is provided for making a synthetic jet ejector.

Abstract: A thermal management device (401) is provided which comprises a synthetic jet actuator (403) and a heat sink (405) comprising a fin (407). The fin has at least one interior channel (409) defined therein which has first and second openings that are in fluidic communication with each other. The synthetic jet actuator is adapted to direct a synthetic jet into said channel.