The crankshaft is formed as a rotary slide valve which, in operation, connects the first working chamber to the third working chamber and {HEAD ~ the second working chamber} to {TAIL ~ a working medium supply} or discharge opening 
to
The crankshaft is formed as a rotary slide valve which , in operation , connects the first working chamber to the third working chamber and { HEAD ~ the second working chamber } to { TAIL ~ a working medium supply } or discharge opening
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH