| 摘要 |
In a rotary piston machine with a cylindrical housing and a drive shaft lying in the cylinder axis, the housing encloses a hollow rotation space in which three sector-shaped rotary pistons provided with sealings and having angular velocities periodically changing relative to each other are arranged one after the other, so that working spaces develop between the rotary pistons whose volumes change periodically. For this purpose, the drive shaft carries an eccentric cam on which is posed a rotating driving plate provided with internal toothing which engages a spur wheel, the driving plate carrying driving pins each in operative connection with a piston rod and having a torsion-resistant connection to one of the rotary pistons via a hollow shaft.
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