Wilfred Thomas Bellew

Title: Innovations in Marine Propulsion by Wilfred Thomas Bellew

Introduction

Wilfred Thomas Bellew is a notable inventor based in Rochdale, GB. He has made significant contributions to the field of marine propulsion systems, particularly with his innovative designs that enhance the efficiency and functionality of screw propellers.

Latest Patents

Bellew holds a patent for marine propulsion systems featuring variable-pitch screw propellers. This invention involves a screw propeller with variable-pitch blades, which is mounted on one end of a propeller shaft. The other end of the shaft is coupled to the output flange of a reversible speed-reduction gearbox. A pitch control rod, connected through a linkage to the blades, extends within an axial bore in the shaft. This rod is longitudinally movable by a hydraulic actuator, allowing for adjustments between coarse-pitch and fine-pitch settings of the screw blades.

Career Highlights

Throughout his career, Bellew has focused on developing advanced marine propulsion equipment. His innovative designs have been instrumental in improving the performance of ships and boats. The actuator used in his system is of the piston-and-cylinder type, which is strategically placed within the drive train to optimize functionality. The actuator cylinder can be formed in a half-coupling or a separate tubular capsule, showcasing Bellew's versatility in engineering design.

Collaborations

Due to space constraints, the details of collaborations will not be included.

Conclusion

Wilfred Thomas Bellew's contributions to marine propulsion technology reflect his dedication to innovation and engineering excellence. His patent for variable-pitch screw propellers is a testament to his expertise and commitment to enhancing marine equipment.