A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal.....
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A Synchronous Rectifier Is Disclosed, Which Makes Use Of Gate Charge Retention Technique. In A Forward Converter After The Main Transformer Is Reset Its Secondary Voltage Diminishes To Zero. For Self-Driven Synchronous Rectifiers The Driving Voltage Is Lost And Current Is Forced To Go Through Body D.....
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In the classical automatic gearbox, oil is sent to the system using a pump. That pump absorbs energy from the engine.Torque between the engine and transmission is maintained constantly by the pump. Our gearbox design is an improvement.After achieving the couple, oil from the pump is interrupted, and.....
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In a process for manufacturing a singles ring yarn, firstly a first twist is supplied to a strand of traveling drafted fibers at a false twist device for producing a preliminary singles yarn. The false twist device rotates at a first speed for twisting the fibers. Immediately after the first twistin.....
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The present invention relates a method of fabricating a piezoelectric device through micromachining piezoelectric-on-silicon wafer. The wafers are constructed so that piezoelectric layer is a single wafer having a thin layer from 5 to 50 mum.
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