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