Air-cooled surface condenser

Claim 1

IN A SURFACE CONDENSER FOR CONDENSING STEAM BY A STREAM OF COOLING AIR, IN COMBINATION, A PLURALITY OF CONDUIT MEANS CONNECTED IN PARALLEL, EACH CONDUIT MEANS INCLUDING A ROW OF CONDUITS FOR CONDUCTING THE STEAM TRANSVERSE TO THE DIRECTION OF THE STREAM OF AIR, SAID ROWS OF CONDUITS BEING LOCATED IN PLANES EXTENDING TRANSVERSE TO SAID DIRECTION AND DISTRIBUTED ALONG THE LENGTH OF THE STREAM OF AIR SO THAT THE STREAM OF COOLING AIR SUCCESSIVELY PASSES OVER THE OUTER SURFACE OF EACH OF SAID CONDUIT MEANS WHEREBY THE TEMPERATURE OF THE AIR IS INCREASED, SAID CONDUITS OF EACH ROW OF CONDUITS BEING SUBSTANTIALLY IDENTICAL, AND HAVING SUBSTANTIALLY THE SAME HEAT-EXCHANGING SURFACE, AND THE CONDUITS OF ALL SAID ROWS OF CONDUITS BEING DIFFERENTLY SHAPED AND ARRANGED IN SUCH A MANNER THAT THE AMOUNTS OF STEAM PASSING THROUGH EACH CONDUIT SEPARATELY, AND THROUGH ALL CONDUITS OF EACH ROW ACROSS CONSECUTIVE EQUAL PORTIONS OF SAID STEAM OF AIR DECREASE IN SAID DIRECTION OF THE STREAM OF AIR CORRESPONDING TO THE DECREASING COOLING CAPACITY OF THE STREAM OF AIR SO THAT THE CONDENSATE FORMED IN EACH OF SAID CONDUIT MEANS OF THE STEAM ENTERING ALL SAID CONDUIT MEANS AT THE SAME TEMPERATURE HAS SUBSTANTIALLY THE SAME DESIRED TEMPERATURE.