Research Article

Complex Approach to Conceptual Design of Machine Mechanically Extracting Oil from Jatropha curcas L. Seeds for Biomass-Based Fuel Production

Figure 13

Traditional solution of screw and new concept of screw for machine mechanically extracting oil from Jatropha curcas L. seeds: (a) standard screw design, (b) screw design with one groove for decrease of compressive force and expended energy reduction, and (c) screw design with two grooves for decrease of compressive force and expended energy reduction.
(a)
(b)
(c)