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