James Douglas Chisholm

Title: Innovations by James Douglas Chisholm

Introduction

James Douglas Chisholm is a notable inventor based in Swindon, GB. He has made significant contributions to the field of surface cleaning appliances, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and functionality of cleaning devices.

Latest Patents

One of Chisholm's latest patents is for a surface cleaning appliance that features a cleaner head equipped with an agitator and a motor. This innovative appliance includes a switch that couples the motor to a supply voltage, along with a voltage sensor and a current sensor. The controller in this device is designed to output a PWM signal, which adjusts the duty cycle in response to changes in both supply voltage and motor current. Another significant patent involves a battery pack suitable for handheld appliances. This battery pack consists of multiple cells and a circuit board, which is configured to transmit power to the appliance. It also features a momentary switch that can toggle between open and closed positions, allowing for efficient power management.

Career Highlights

Chisholm is currently associated with Dyson Technology Limited, a company renowned for its innovative home appliances. His work at Dyson has allowed him to push the boundaries of technology in cleaning devices, contributing to the company's reputation for quality and innovation.

Collaborations

Chisholm has collaborated with several talented individuals in his field, including David Robert Sunderland and David John Taylor-Pockett. These collaborations have likely fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

James Douglas Chisholm's contributions to the field of surface cleaning appliances exemplify the spirit of innovation. His patents reflect a commitment to improving everyday technology, making cleaning more efficient and effective.