air engine


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Related to air engine: Water engine, Air motor, Air car

air engine

n
1. (General Engineering) an engine that uses the expansion of heated air to drive a piston
2. (General Engineering) a small engine that uses compressed air to drive a piston
References in periodicals archive ?
The inclusion of a regenerator differentiates the Stirling engine from other closed cycle hot air engine.
The new two-cylinder Twin/ Air engine, the latest development of the TwinAir uses a high-efficiency turbocharger; an exhaust manifold integrated into the cylinder head; a Start&Stop fuel-saving system and a new intake valve control system to provide an even more enticing combination of power and efficiency.
The aircraft has also witnessed mid- air engine failures, particularly in the last two years.
The system combines a gasoline engine with an air engine which is used at speeds under 70mph.
Transportation could be the first market with a secured a grant from the Technology Strategy Board, the UK's innovation agency, to build and test a liquid air engine fitted in a commercial vehicle.
Utilizing more than three times the waveform memory of the previous generation, the AiR engine provides sensational dynamics, damper resonance and even compensates for the speed at which hammers strike strings at different velocities and key ranges.
The agreement covered two phases of activity encompassing the technology transfer and proof of the technical concept in the first phase, and in the second phase completing detailed development of the compressed air engine into specific vehicle and stationary applications.
Naturally, there are skeptics who say that the air engine is far less efficient than claimed.
Our ideas ranged from a heat exchanger - in which heat from one liquid would be transferred to another - to a hot air engine.
With support from Shell and inspiration from air-powered car concepts in Europe, the project aimed to develop a compressed air engine that would power a vehicle: Like gas-powered engines, the trick is to produce force on turbines, but to do so without creating emissions.
The group, which has around 400 staff at its air engine part factory in Sunderland, posted underlying pre-tax profits of pounds 410m for the first half of 2008 - 8% ahead of last year and slightly ahead of City forecasts.
The car is a hybrid vehicle driven by a compressed air engine combined with an electric motor.