A nested-tube heat exchanger with tubes (1) secured at each end in tube plates (3 & 4) for transferring heat between a hot gas that flows through the tubes (1) and a liquid or vaporous contact that flows around the pipes. The tube plates are secured to a jacket (2) that surrounds the nest of tubes. One...http://www.google.fr/patents/US5035283?utm_source=gb-gplus-shareBrevet US5035283 - Nested-tube heat exchanger
