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