Patent ID: 7472563
Filing Date: 2009-01-06
Classification: F25B,F28D,F28F

Abstract:
1. A submerged evaporator, comprising a substantially circular cylindrical, horizontally oriented casing and including at least one integrated plate heat exchanger, where the integrated plate heat exchanger has at least one inlet connection and at least one outlet connection for a secondary refrigerant, where the entire plate heat exchanger is confined within and substantially fills the bottom half of the casing, where a primary refrigerant can flow around the plate heat exchanger and a secondary refrigerant can flow through the plate heat exchanger, and where the uppermost part of the casing is used as a liquid separator, wherein the integrated plate heat exchanger is integrated with the evaporator and made with contour on an underside thereof that is substantially matched to the lower contour of a facing surface of the bottom end of the casing in proximity thereto and has a contour on a top side thereof that follows the liquid level of the primary refrigerant.