Patent ID: RE39309

Claim:
A heat exchanger for a deep fryer system , the heat exchanger being within a vat containing shortening, the heat exchanger comprising, in combination: at least one heat transfer conduit having a heating fluid passing therethrough; a baffle plate disposed within the at least one heat transfer conduit, defining a plane and having a first surface, an opposed second surface, and a longitudinal axis which divides the baffle plate into a first portion and a second portion; a plurality of tabs, each tab comprised of a portion of the baffle plate which is cut from the baffle plate and bent away from one of the first and second surfaces, the tab leaving a hole in the baffle plate and having a longitudinal axis and extending outwardly away from one of the first and second surfaces of the baffle plate, an intersection of the tab and the baffle plate defining a crease, at least one a plurality of the tabs being positioned in the first portion of the baffle plate and at least one a plurality of the tabs being positioned in the second portion of the baffle plate , a plurality of the tabs extending outwardly from the first surface and a plurality of the tabs extending outwardly from the second surface ; and a plurality of webs, each web separating a tab from another tab adjacent the tab in a direction substantially perpendicular to the longitudinal axis of the tab.