Abstract: An improved cutting head assembly with an angled blade for slicing that can be used with a centrifugal-type slicer to provide an increased yield. The blade comprises a cutting edge that cuts a product, for example, a potato, in a cutting direction. A tangent to the cutting edge is at an angle away from the normal plane of a cutting direction for the blade. For example, if the cutting edge is a straight line and the cutting direction is horizontal, then the cutting edge is at an angle away from vertical.

Abstract: A potato chip cutting apparatus, the apparatus comprising an annular-shaped cutting head and a central impeller coaxially mounted for rotation within the cutting head for delivering potatoes radially outwardly toward the cutting head, the impeller having a base with an upper surface across which potatoes are, in use, delivered to the cutting head, a plurality of knives serially mounted annularly around the cutting head, each knife having a first cutting edge extending substantially vertically and spaced from the cutting head to provide a gap between the first cutting edge and the cutting head, each knife also having a second cutting edge extending substantially horizontally and extending radially at least partly across the gap, the second cutting edge being located at least 50 mm above the upper surface of the impeller to define a cutting zone for cutting a single potato slice between the upper surface and the second cutting edge.

Abstract: An apparatus for heating an operating fluid, the apparatus comprising a closed circuit for a working fluid, the closed circuit having first and second heat exchangers and a compressor therebetween, the first heat exchanger having a heat input side for connection to an external fluid heat source and a heat output side for vaporizing working fluid within the closed circuit, the compressor being a vapor compressor adapted to compress the vaporized gaseous working fluid from the first heat exchanger to form a higher pressure gaseous working fluid, and the second heat exchanger having a heat input side for receiving and condensing the higher pressure gaseous working fluid from the compressor and a heat output side for heating an external operating fluid. A corresponding method is also disclosed.

Abstract: An apparatus for frying foodstuffs, the apparatus comprising a fryer having inlet and outlet longitudinal ends, an oil recirculating system coupled to the fryer, a heat exchanger for heating the oil in the oil recirculating system, a hood above the fryer for collecting steam generated during the frying process, a conduit for conveying steam from the hood, and a compressor for compressing the steam, the compressor having an input connected to the conduit and an output for compressed steam connected to the heat exchanger.

Abstract: A method for frying foodstuffs, the method comprising a fryer having inlet and outlet longitudinal ends, an oil recirculating system coupled to the fryer, a heat exchanger for heating the oil in the oil recirculating system, a hood above the fryer for collecting steam generated during the frying process, a conduit for conveying steam from the hood, and a compressor for compressing the steam, the compressor having an input connected to the conduit and an output for compressed steam connected to the heat exchanger.

Abstract: An apparatus for frying foodstuffs, the apparatus comprising a fryer having inlet and outlet longitudinal ends, an oil recirculating system coupled to the fryer, a heat exchanger for heating the oil in the oil recirculating system, a hood above the fryer for collecting steam generated during the frying process, a conduit for conveying steam from the hood, and a compressor for compressing the steam, the compressor having an input connected to the conduit and an output for compressed steam connected to the heat exchanger.

Abstract: An apparatus for heating an operating fluid, the apparatus comprising a closed circuit for a working fluid, the closed circuit having first and second heat exchangers and a compressor therebetween, the first heat exchanger having a heat input side for connection to an external fluid heat source and a heat output side for vaporising working fluid within the closed circuit, the compressor being a vapour compressor adapted to compress the vaporised gaseous working fluid from the first heat exchanger to form a higher pressure gaseous working fluid, and the second heat exchanger having a heat input side for receiving and condensing the higher pressure gaseous working fluid from the compressor and a heat output side for heating an external operating fluid. A corresponding method is also disclosed.

Abstract: A method for frying foodstuffs, the method comprising a fryer having inlet and outlet longitudinal ends, an oil recirculating system coupled to the fryer, a heat exchanger for heating the oil in the oil recirculating system, a hood above the fryer for collecting steam generated during the frying process, a conduit for conveying steam from the hood, and a compressor for compressing the steam, the compressor having an input connected to the conduit and an output for compressed steam connected to the heat exchanger.