Pratt & Whitney's PW1000G engine family, featuring geared turbofan (GTF ... and a low-pressure compressor and turbine, which compresses and accelerates air, according to SKYbrary.

This will be true, apparently, of the geared turbine, should the theories and expectations of its inventors, as set forth in another column of THE TIMES this morning come to full realization.

George Westinghouse, Admiral Melville says, is backing the geared turbine invention, and the first machine and its test will cost $50,000. View Full Article in Timesmachine » Advertisement ...

Technical difficulties were never fully overcome, the increasing cost of fuel made gas turbine cars uneconomic to run, and meanwhile by the 1960s the piston engine had improved immeasurably over ...

Compared to traditional geared wind turbines, which employ a gearbox to adjust the rotational speed of the turbine's blades to the generator's optimal speed, direct drive wind turbines utilize a ...

For those unfamiliar with these terms it may be said that with the electric drive the power of the steam turbines or engines is transmitted ... With the geared drive the power of the turbines ...