Sleeve Valves

Some articles on sleeve, sleeve valves, valve, sleeve valve:

Sleeve Valve - Advantages/disadvantages - Advantages
... The main advantages of the sleeve-valve engine are Increased volumetric efficiency due to very large port openings ... cycle, which is fairly easy to achieve with sleeve valves, but difficult in a poppet valve system ... and controllable swirl of the inlet air/fuel mixture in single-sleeve designs ...
Rolls-Royce Crecy - Design and Development - Technical Description - Sleeve Valves
... The reciprocating sleeve valves were open-ended rather than sealing in a Junk head – the open end uncovered the exhaust ports high in the cylinder wall at the bottom of ... The Crecy sleeve valves were of similar construction but differed in their operation compared to the rotary sleeve valve design that was pioneered by Roy Fedden, and used ...