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For the Inventor, By the Inventor

Ann Arbor, MI, United States of America

Victor H Rigotti

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.8

ph-index = 15

Forward Citations = 1,056(Granted Patents)


Company Filing History:

goldMedal16 out of 3,645 
 
Honeywell G.m.b.h.
 patents

Years Active: 1986-1990

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16 patents (USPTO):Explore Patents
1. 4974418 - Heat pump defrosting operation (1990-12-04),
2. 4974417 - Heat pump defrosting operation (1990-12-04),
3. 4951473 - Heat pump defrosting operation (1990-08-28),
4. 4916912 - Heat pump with adaptive frost determination function (1990-04-17),
5. 4910966 - Heat pump with single exterior temperature sensor (1990-03-27),
6. 4864513 - Potentiometer setting detection by measuring the ratio of RC time (1989-09-05),
7. 4841458 - Analog to digital conversion by measuring the ratio of RC time constants (1989-06-20),
8. 4837731 - System for time programming of states by communicating time data via a (1989-06-06),
9. 4829458 - External constant specification in a digital electronic system (1989-05-09),
10. 4829457 - Overload protection circuit for solid state switch (1989-05-09),
11. 4751961 - Electronic programmable thermostat (1988-06-21),
12. 4741476 - Digital electronic thermostat with correction for triac self heating (1988-05-03),
13. 4730941 - Temperature range display device for electronic thermostat (1988-03-15),
14. 4695942 - Manual switch for altering a parameter in opposite directions based on (1987-09-22),
15. 4669654 - Electronic programmable thermostat (1987-06-02),

Title: Victor H. Rigotti: Innovator in Heat Pump Technology

Introduction

Victor H. Rigotti is an accomplished inventor based in Ann Arbor, MI (US), known for his significant contributions to heat pump technology. With a remarkable portfolio of 16 patents, Rigotti has consistently showcased his innovative spirit in the field.

Latest Patents

One of Rigotti's latest inventions is a method for a defrosting operation of a heat pump. This technique utilizes external air to supply heat for defrosting the exterior heat exchanger. The system operates by running the exterior fan during times when the compressor is inactive, specifically when the temperature of the exterior heat exchanger is below freezing, yet the exterior air temperature stays above freezing. The invention features two embodiments: in one, separate temperature sensors measure the temperatures of both the exterior heat exchanger and the external air. In another, a single temperature sensor is employed to monitor the heat exchanger, with the fan running for a set time after the compressor has stopped. The fan's operation continues only as long as the temperature remains at freezing. If the temperature reaches a plateau below freezing, the fan's operation can be inhibited for that duration. These innovations enhance the efficiency of heat pump systems, ensuring better performance during cold weather conditions.

Career Highlights

Victor H. Rigotti's career is marked by his role at Honeywell GmbH, where he has been pivotal in developing advanced HVAC technologies. His expertise and a commitment to innovation have significantly influenced the company's product offerings.

Collaborations

Throughout his career, Rigotti has collaborated with notable coworkers, including James T. Russo and Michael R. Levine, sharing knowledge and insights that have propelled advancements in their projects. Their teamwork illustrates the synergy of talent within the field of heating and cooling systems.

Conclusion

Victor H. Rigotti stands out as a figure of innovation in the heating technology sector. His 16 patents reflect a dedication to enhancing energy efficiency and performance in heat pump systems. As companies like Honeywell continue to push the boundaries of technology, Rigotti’s contributions will undoubtedly leave a lasting impact on the industry.

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