A crossover warm liquid defrost refrigeration system (10) having a medium temperature side (12) for cooling refrigerated goods and a low temperature side (14) for cooling frozen goods. The medium temperature side has a primary refrigeration loop (16) and a secondary refrigeration loop (18). The low temperature...http://www.google.de/patents/US6094925?utm_source=gb-gplus-sharePatent US6094925 - Crossover warm liquid defrost refrigeration system
