Company Filing History:
1 out of 1 
1 out of 20 
1 out of 1 Years Active: 1993-2001
Title: Innovations of Erik Hedman
Introduction
Erik Hedman is a notable inventor based in Linkoping, Sweden. He has made significant contributions to the field of engineering, particularly in the design and manufacturing of heat exchangers and oil filters. With a total of four patents to his name, Hedman's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Hedman's latest patents is a method of manufacturing a plate type heat exchanger. This invention relates to a method in the manufacture of a plate heat exchanger, preferably a so-called recuperator. The design features flow channels arranged between the plates, with every other channel accommodating the flow of a heat-emitting medium and the alternate channels designed for the flow of a heat-absorbing medium. The flow channels for the heat-absorbing medium are connected in parallel to manifolds. The plates also incorporate a raised pattern that creates a counter-flow section and two cross-flow sections, enhancing the efficiency of the recuperator.
Another significant patent is for an arrangement in an oil filter with an integral oil cooler. This invention features a filter material in the form of a tubular casing enclosed in a housing. The housing is defined by a cylindrical wall and two ends, one of which can be opened for changing the filter material. The design includes two concentric annular circulation chambers, one for accommodating the flow of oil and the other for the flow of coolant. This innovative arrangement improves the functionality and efficiency of oil filtration systems.
Career Highlights
Throughout his career, Erik Hedman has worked with several companies, including Torell AB and Purolator Products Company. His experience in these organizations has contributed to his expertise in engineering and innovation.
Collaborations
Hedman has collaborated with various professionals in his field, including his coworker Rolf Hedman. Their joint efforts have likely led to advancements in their respective projects and innovations.
Conclusion
Erik Hedman's contributions to engineering through his patents reflect his commitment to innovation and problem-solving. His work continues to influence the design and functionality of heat exchangers and oil filtration systems.