AlterEgo- Hardware SRL

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VR

Rotary Valve

An ancient technology, sleeve valves appeared as soon as 1901 and were extensively used in large WWII aircraft engines. They offer well-known advantages in terms of porting efficiency, low noise, high compactness and low servicing, but have been abandoned because of unsolvable lubrication and sealing problems. Arno Hofmann has worked on those issues for more than 20 years, and his patented dry lubricated, low friction sealing system promises to be the greatest advance in this technology in the last 50 years.

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Elements

 

Rotating cylinder / cylinder head

Gear drivetrain

Self-lubricating sealing system

 

Features

 

Highly compact layout

Low weight

High compression ratio without knocking issues

High EGR, low mixtures possible

Low production cost

 

Benefits

 

Increase in engine efficiency

Higher fuel economy

Low mechanical noise

Maintenance-free

 

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