Murray W Calderwood

Title: The Innovations of Murray W Calderwood

Introduction

Murray W Calderwood is a notable inventor based in Peterborough, Canada. He has made significant contributions to the field of engineering, particularly in the design of bulb-type generators. His innovative approach has led to the development of a unique patent that enhances the maintenance and repair processes of these generators.

Latest Patents

Murray W Calderwood holds a patent for a "Rotor withdrawal arrangement for bulb generators." This invention provides an apparatus for withdrawing the rotor from the stator in a bulb-type generator. It allows for easy access to the rotor and the inner portion of the stator for repair or maintenance without the need to disassemble the housing and stator. The design includes a pair of detachable beams that are placed in the housing when the rotor is stationary. These beams extend through holes provided in the rotor above the shaft on which the rotor turns. The beams are conveniently mounted to the upper stay tower structure at their downstream end and to the housing at their upstream end. An additional support member may be used between the beams and the bottom of the housing at the upstream end of the beams. Shoes that slidably engage the beam are placed between the beam and the rotor to support the rotor. Preferably, the shoes include a hydraulically operated piston that can be extended to ensure positive engagement with the beam. The rotor has an inner ring that is bolted to a driving disc on the shaft. The bolts are removed, and a hydraulic jack is used to slide the rotor outwards along the beams, clear of the stator.

Career Highlights

Murray W Calderwood has worked with Canadian General Electric Company Limited, where he has applied his engineering skills to develop innovative solutions. His work has significantly impacted the efficiency and functionality of bulb-type generators.

Collaborations

Murray has collaborated with James Harold Ferguson, contributing to the advancement of technology in their field. Their partnership has fostered innovation and improved engineering practices.

Conclusion

Murray W Calderwood's contributions to the field of engineering, particularly through his patent for a rotor withdrawal arrangement, demonstrate his commitment to innovation and improvement in generator maintenance. His work continues to influence the industry positively.