Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine

Full Title

Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems > Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories > with coolers in the recirculation passage > Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials > Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine