Actuator is key to better automatics

Article Abstract:

Prodrive Engineering has developed a pneumatic actuator for automatic transmission in automoblies. It enables gear changes within one twentieth of a second in rally cars and half a second in road cars. The development increase fuel efficiency and is cheaper than traditional conversion to automatic transmission. The actuator was originally developed to improve the performance of a Subaru rally car. Gear change is achieved through steering-wheel buttons.

Automobiles, Automobile transmissions, Pneumatic control, Prodrive Engineering

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Miniature girders take the load

Article Abstract:

Research undertaken by the Dept of Engineering at Cambridge University, England, has made it possible to produce three-dimensional girder trusses on a 10mm-type scale using conventional technology. The girders are incorporated into sandwich panels. Initial applications are likely to be in aerospace, followed by power device electronic heat sinks.

Research, Product development, Composite construction, Girders, Composite building materials, Beams (Structural)

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Steam gives power on miniature scale

Article Abstract:

Issues are presented concerning the use of steam to provide power for micro-scale actuation devices. The recovery of the waste heat generated by steam systems is discussed.

Power (Mechanics), Power systems (Mechanical), Steam engineering

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