Abstract: A hybrid cooler/dryer that conditions a sample gas includes a heat exchanger, a condensate-removal device, and a membrane dryer. In some embodiments, the hybrid cooler/dryer also includes passive cooling, as embodied by an air amplifier and heat sink, or a length of tubing that exposes the sample gas to ambient temperature. The hybrid cooler/dryer requires no electrical power.

Abstract: A VM concentrate comprising: from about 60 to about 95 parts (and at least 50 wt %) of a diluent oil (e.g., having a KV100 of about 2 cSt to about 40 cSt); and from about 5 parts to about 40 parts (and at least 6.0 wt %) of a linear triblock copolymer characterized by the formula: D?-PA-D?; wherein D? represents a block derived from diene, PA represents a block derived from monoalkenyl arene, D? represents a block derived from diene, and the linear triblock copolymer is present in an amount effective to modify a lubricating kinematic viscosity at approximately 100° C. (KV100) of the concentrate, and wherein the KV100 of the concentrate is about 3000 cSt or less. The linear triblock copolymer may additionally or alternatively have a thickening efficiency span of at most 0.5.

Abstract: A hybrid cooler/dryer that conditions a sample gas includes a heat exchanger, a condensate-removal device, and a membrane dryer. In some embodiments, the hybrid cooler/dryer also includes passive cooling, as embodied by an air amplifier and heat sink, or a length of tubing that exposes the sample gas to ambient temperature. The hybrid cooler/dryer requires no electrical power.

Abstract: A fastener assembly for securing a heat sink to a printed circuit board, includes a sleeve, a bolt inserted into the sleeve and a resilient component surrounding the bolt. The sleeve comprises a hollow body, a bottom plate at a bottom thereof and an engaging cylinder extending downwardly from the bottom plate. The engaging cylinder has inner thread and a deformable latching protrusion projecting radially outwardly. The bolt includes a shaft, a head and a threaded part for threadedly engaging with a retainer of the printed circuit board. The head is received in the sleeve above the bottom plate. The shaft is received in the through hole of the sleeve whilst the threaded part is held beneath the engaging cylinder of the sleeve. The resilient component is compressed between the head of the bolt and the bottom plate of the sleeve.

Abstract: A heat sink assembly includes a heat sink and a clip. The clip includes a main body, two pressing portions extending outwardly from two opposite ends of the main body, two extension portions each extending upwardly from an outer end of a corresponding pressing portion, a locking arm extending slantwise and upwardly from an upper end of each extension portion, a U-shaped operating portion extending from a far end of the locking arm and a J-shaped hook extending from a free end of the operating portion. The operating portion is provided for receiving a depressing force acting on the clip for moving the hook to engage with a clasp on a printed circuit board.

Abstract: A fastening assembly used for securing a heat dissipation device to a printed circuit board, comprises a sleeve, an inserting device extending through the sleeve, a spring encircling the inserting device and received in the sleeve, and a supporting device inserted in the sleeve. The inserting device engages with a back plate below the printed circuit board. The sleeve is integrally formed of plastic and comprises a hollow body, a resilient portion extending from an outer surface of the body and pressing a bottom of the heat dissipation device upwardly, and four supporting portions extending from the outer surface of the body and pressing a top of the heat dissipation device downwardly. The supporting device is inserted between the body and the resilient portion, and abuts against the resilient portion, to thereby reliably keep the resilient portion at its locked position.

Abstract: An electronic system includes a printed circuit board, a base, and a wire clip. The printed circuit board includes an electronic component and a plurality of hooks around the electronic component. The base thermally contacts the electronic component of the printed circuit board. Two clasps are formed at opposite ends of the base. The wire clip includes two pressing portions, two first connecting portions extending inwardly from first ends of the two pressing portions respectively, and two second connecting portions extending inwardly from second ends of the two pressing portions respectively. The first and second ends of the pressing portion are opposite. The pressing portions of the wire clip are clasped by the clasps of the base. The first connecting portions engage with two hooks of the printed circuit board, and the second connecting portions engage with another two hooks of the printed circuit board.

Abstract: A heat sink assembly includes a heat sink and a clip. The heat sink includes a base and a fin extending upwardly from the base. The clip is mounted on the fin and can be removed therefrom by moving upwardly along a height direction of the fin. The clip includes a resisting part contacting with a side of the fin, two locking parts respectively connected to two ends of the resisting part for securing the heat sink to a printed circuit board, and two stopping parts engaging with two opposites ends and an opposite side of the fin for preventing the clip from moving along widthwise and thickness directions of the fin. The two stopping parts are connected to the resisting part and located between the two locking parts.

Abstract: A heat sink assembly includes a base, a fin group located above a top of the base, a mounting bracket, and a fan mounted on a lateral side of the mounting bracket. The mounting bracket is integrally formed by a metal sheet. The mounting bracket includes a pedestal is located at a top of the base and connects with the base, and two sidewalls extending upwardly from opposite ends of the pedestal and sandwiching the fin group therebetween. The fan is mounted on a lateral side of the sidewalls of the mounting bracket. The pedestal integrally forms four mounting arms. Four fasteners extend through the mounting arms for securing the heat sink assembly to a printed circuit board.

Abstract: A heat sink assembly includes a base, a fin group located above a top of the base, a mounting bracket, and a fan mounted on a lateral side of the mounting bracket. The mounting bracket is integrally formed by a metal sheet. The mounting bracket includes a pedestal is located at a top of the base and connects with the base, and two sidewalls extending upwardly from opposite ends of the pedestal and sandwiching the fin group therebetween. The fan is mounted on a lateral side of the sidewalls of the mounting bracket. The pedestal integrally forms four mounting arms. Four fasteners extend through the mounting arms for securing the heat sink assembly to a printed circuit board.

Abstract: A memory module assembly includes a printed circuit board having a plurality of heat-generating electronic components thereon, first and second heat sinks formed by stamping a metal sheet and attached on opposite sides of the printed circuit board and a clamp clamping the first, second heat sinks and the printed circuit board together. The first and second heat sinks each comprise a plurality of fins extending therefrom and define a plurality of openings between the fins. The fins and openings are alternately arranged on each of the first and second heat sinks along a height direction thereof. The second heat sink includes a pair of positioning tongues extending from opposite side edges thereof. The first heat sink engages with the second heat sink via the positioning tongues of the second heat sink extending in and engaging with the first heat sink.

Abstract: A fastening device for a heat sink includes a one-piece shaft. The shaft includes a head at one end thereof, an engaging section at an opposite end thereof, a connecting section between the head and the engaging section, and a tray extending above the engaging section. A spring surrounds the connecting section between the head and the tray of the shaft. A gasket engages with the connecting section of the shaft and is retained between the spring and the tray of the shaft. In this way the shaft, the spring and the gasket are assembled. The gasket extends a downward, annular sidewall for engaging in the heat sink, by which the fastening device can be stably fixed to the heat sink. A back plate extends a nut toward the shaft for engaging with the engaging section of the shaft.

Abstract: A heat sink assembly includes a heat sink and a clip. The heat sink includes a base and a plurality of fins extending upwardly from a top surface of the base. The clip includes a pressing body, two bending portions slantwise to the pressing body and extending from two opposite ends of the pressing body, and two locking arms extending from two ends of the bending portions. The pressing body of the clip abuts against the top surface of the base. The bending portions are extended downwardly from the pressing body to be located adjacent to two sides of the base to prevent the clip from moving horizontally along a lateral direction of the heat sink.

Abstract: A heat sink assembly includes a heat sink and a clip. The clip includes a main body, two pressing portions extending outwardly from two opposite ends of the main body, two extension portions each extending upwardly from an outer end of a corresponding pressing portion, a locking arm extending slantwise and upwardly from an upper end of each extension portion, a U-shaped operating portion extending from a far end of the locking arm and a J-shaped hook extending from a free end of the operating portion. The operating portion is provided for receiving a depressing force acting on the clip for moving the hook to engage with a clasp on a printed circuit board.

Abstract: A memory module assembly includes a printed circuit board having a plurality of heat-generating electronic components thereon, first and second heat sinks formed by stamping a metal sheet and attached on opposite sides of the printed circuit board and a clamp clamping the first, second heat sinks and the printed circuit board together. The first and second heat sinks each comprise a plurality of fins extending therefrom and define a plurality of openings between the fins. The fins and openings are alternately arranged on each of the first and second heat sinks along a height direction thereof. The second heat sink includes a pair of positioning tongues extending from opposite side edges thereof. The first heat sink engages with the second heat sink via the positioning tongues of the second heat sink extending in and engaging with the first heat sink.

Abstract: A fastener assembly for securing a heat sink to a printed circuit board, includes a sleeve, a bolt inserted into the sleeve and a resilient component surrounding the bolt. The sleeve comprises a hollow body, a bottom plate at a bottom thereof and an engaging cylinder extending downwardly from the bottom plate. The engaging cylinder has inner thread and a deformable latching protrusion projecting radially outwardly. The bolt includes a shaft, a head and a threaded part for threadedly engaging with a retainer of the printed circuit board. The head is received in the sleeve above the bottom plate. The shaft is received in the through hole of the sleeve whilst the threaded part is held beneath the engaging cylinder of the sleeve. The resilient component is compressed between the head of the bolt and the bottom plate of the sleeve.

Abstract: A fastening assembly used for securing a heat dissipation device to a printed circuit board, comprises a sleeve, an inserting device extending through the sleeve, a spring encircling the inserting device and received in the sleeve, and a supporting device inserted in the sleeve. The inserting device engages with a back plate below the printed circuit board. The sleeve is integrally formed of plastic and comprises a hollow body, a resilient portion extending from an outer surface of the body and pressing a bottom of the heat dissipation device upwardly, and four supporting portions extending from the outer surface of the body and pressing a top of the heat dissipation device downwardly. The supporting device is inserted between the body and the resilient portion, and abuts against the resilient portion, to thereby reliably keep the resilient portion at its locked position.

Abstract: A heat sink assembly includes a heat sink and a clip. The heat sink includes a base and a plurality of fins extending upwardly from a top surface of the base. The clip includes a pressing body, two bending portions slantwise to the pressing body and extending from two opposite ends of the pressing body, and two locking arms extending from two ends of the bending portions. The pressing body of the clip abuts against the top surface of the base. The bending portions are extended downwardly from the pressing body to be located adjacent to two sides of the base to prevent the clip from moving horizontally along a lateral direction of the heat sink.

Abstract: A heat sink includes first and second fin sets. The first fin set includes a plurality of fins each having a flange extending perpendicularly from an edge thereof and oriented in a same first direction. The flanges engage with each other in succession through locking parts formed thereon. The second fin set includes a plurality of fins each having a flange extending perpendicularly from an edge thereof and oriented in a same second direction toward the first direction. The flanges engage of the second fins with each other in succession through locking parts formed thereon. One of the flanges of an outmost one of the fins of the first fin set and one of the flanges of an outmost one of the fins of the second fin set are extended toward to and engaged with each other.

Abstract: A fastening device for a heat sink includes a one-piece shaft. The shaft includes a head at one end thereof, an engaging section at an opposite end thereof, a connecting section between the head and the engaging section, and a tray extending above the engaging section. A spring surrounds the connecting section between the head and the tray of the shaft. A gasket engages with the connecting section of the shaft and is retained between the spring and the tray of the shaft. In this way the shaft, the spring and the gasket are assembled. The gasket extends a downward, annular sidewall for engaging in the heat sink, by which the fastening device can be stably fixed to the heat sink. A back plate extends a nut toward the shaft for engaging with the engaging section of the shaft.