Variable orifice valve (VOV(TM)) is located in the liquid refrigerant line between the condenser and the evaporator in an automobile's A/C loop and uses thermostatic bi-metal technology to react to condenser discharge temperatures. This controls variable restriction levels to provide performance for air conditioning systems. The VOV also offers variable restriction levels, which results in performance under all driving conditions from highway to city driving to idling.
Texas Instruments, Materials and Controls Group, Attleboro, MA.
These new 3D-printing technologies and printers include some that are truly boundary-breaking: a sophisticated new sub-$10,000, 10-plus materials bioprinter, the first industrial-strength silicone 3D-printing service, and a clever twist on 3D printing and thermoforming for making high-quality realistic models.
Ear-based heart-rate monitoring gained momentum recently, as sensor maker Valencell Inc. announced it has licensed its biometric earpiece technology to Samsung Electronics Co. Ltd for use in so-called “hearable devices.”
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