| 摘要 |
The present inventions concern oscillating piston engines and oscillating piston compressors of high efficiency. This is achieved by an arrangement in which the piston floor (1) lies on a circular cylinder whose centre coincides with centre (2) of the connecting rod bearing and the inner face (4) of the cylinder head lies on a circular cylinder whose centre coincides with the centre (5) of the crankshaft bearing; (1) and (4) are in mutual rolling sealing contact in the vicinity of the top dead centre. Additional measures help to ensure, for an engine, that the crankshaft is driven before the top dead centre or, for a compressor, that optimal compression with regard to flow is achieved with the smallest possible dead volume. Structural details aimed at optimizing this and similar oscillating piston machines are also disclosed.
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