Location History:
- Albuquerque, NM (US) (1992)
- York, PA (US) (1993)
Company Filing History:
Years Active: 1992-1993
Title: Innovations by Jacob E Shaffer, Jr.
Introduction
Jacob E Shaffer, Jr. is an accomplished inventor based in Albuquerque, NM (US). He has made significant contributions to the field of engineering, particularly in the areas of motor control and air conditioning systems. With a total of 2 patents to his name, Shaffer's work reflects a commitment to enhancing efficiency and functionality in various applications.
Latest Patents
One of his notable patents is the "Driving system for single phase A-C induction motor." This invention employs a single phase pulse width modulated inverter system, allowing for effective conversion of a-c power line voltage to single phase, variable amplitude, and frequency sinusoidal voltage. This innovation enables the motor to be driven directly in response to the power line voltage, facilitating adjustable speed operation. The design minimizes energy consumption by allowing the motor to operate at a reduced inverter output frequency, with seamless switching between the power line and inverter.
Another significant patent is the "Multizone air conditioning system and evaporators therefor." This system is designed to cool multiple zones by circulating refrigerant in a closed circuit. It includes control means for activating and deactivating individual evaporator units while maintaining a balanced refrigerant level within the system. This ensures optimal performance regardless of the activation status of the evaporator units.
Career Highlights
Jacob E Shaffer, Jr. is currently employed at York International Corporation, where he continues to innovate and develop advanced technologies. His work at the company has positioned him as a key contributor to the field of HVAC and motor control systems.
Collaborations
Shaffer has collaborated with various professionals in his field, including his coworker Frank E Wills. Their combined expertise has led to advancements in the technologies they work on.
Conclusion
Jacob E Shaffer, Jr. exemplifies the spirit of innovation through his patents and contributions to engineering. His work not only enhances the efficiency of motor systems and air conditioning but also reflects a dedication to improving technology for practical applications.