This inventor holds 31 USPTO granted patents and 3 published patent applications and 7 EPO patents, primarily in Compressor Technology. Top assignees: Trane International Inc., American Standard Inc., Ingersoll-Rand Industrial U.s., Inc.. Active years: 1992-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- La Crosse, WI (US) (1992 - 2021)
- Huntersville, NC (US) (2018 - 2023)
Company Filing History:
13 out of 828 
9 out of 1,121 
7 out of 195 
Years Active: 1992-2026
Areas of Expertise:
Title: Daniel R Crum: Innovating Refrigeration Systems with Variable Speed Compressors
Introduction:
In the realm of refrigeration systems and compressors, Daniel R Crum has emerged as a prolific inventor and a driving force behind groundbreaking technologies. Hailing from Huntersville, NC in the United States, Crum has shone brightly with a remarkable portfolio of 28 patents. His latest patents encompass the development of rotary compressors with variable speed and volume control, revolutionizing the efficiency and adaptability of refrigeration systems.
Latest Patents:
Crum's recent patents demonstrate his expertise in designing innovative solutions to enhance the operational efficiency of rotary compressors. By manipulating the volume ratio and speed of the compressor based on current operating and load conditions, Crum has successfully developed systems and methods that optimize performance. These advanced techniques enable refrigeration systems to adapt to changing environments, resulting in increased energy efficiency. Permanent magnet motors and rotor tip speed control also play a significant role in further improving efficiency gains.
- Rotary Compressors with Variable Speed and Volume Control: Crum's inventive approach allows for the modulation of axial and/or radial discharge ports within the compressor to achieve a desired volume ratio in response to specific operational conditions.
- Multi-stage Compressor with Interstage Lubricant Injection: Crum's design incorporates a specialized rod for injecting lubricant into the interstage space of a multi-stage compressor. This innovative approach enhances cooling, lubrication, and sealing of rotating components. The injected oil is atomized through openings within the elongate rod, ensuring even distribution of lubrication throughout the compressor.
Career Highlights:
With an impressive roster of patents, Crum has made significant contributions to his field. His work embodies the pursuit of efficiency and sustainability within refrigeration systems. Throughout his career, Crum has demonstrated an unwavering commitment to technological advancements within the compressor industry.
Collaborations:
Crum's invaluable contributions have been made in collaboration with esteemed colleagues. Among them, Peter A Kotlarek and Robert E Utter have worked alongside Crum, sharing their expertise and contributing to the success of these innovative ventures. Together, they have pushed the boundaries of compressor design and propelled the refrigeration industry forward.
Conclusion:
Daniel R Crum's impact on the field of refrigeration systems and compressors is undeniable. His advancements in rotary compressors with variable speed and volume control have paved the way for enhanced efficiency and adaptability in refrigeration technology. Crum's dedication to optimizing performance and collaborating with industry experts has solidified his position as a notable innovator. With a remarkable 28 patents to his name, Crum continues to inspire future breakthroughs in the realm of refrigeration and compressor systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile