The present invention relates to a thermal heat pump consisting of {TAIL ~ a heat pipe} in which the vapor passage between the heat transfer zone to the heat supply and the heat transfer zone to the heat removal section has {HEAD ~ a cross section} which varies across its length 
The present invention relates to a thermal heat pump consisting of { TAIL ~ a heat pipe } in which the vapor passage between the heat transfer zone to the heat supply and the heat transfer zone to the heat removal section has { HEAD ~ a cross section } which varies across its length
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH