US Patent Issued to Alliance for Energy Innovation on Nov. 3 for "Modulating preheating device for energy recovery ventilation systems" (Alaska Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,988, issued on Nov. 3, was assigned to Alliance for Energy Innovation LLC (Golden, Colo.).

"Modulating preheating device for energy recovery ventilation systems" was invented by Conor J. Dennehy Sosebee (Fairbanks, Alaska).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modulating preheating device (MPD) for a building energy recovery ventilation (ERV) system which can modulate its heating based on the conditions of both the building return air and the intake air is described. The MPD is an add-on module for ERV units utilizing a heat exchanger core which can preheat intake air when necessary to reduce frost formation. The preheating can be modulated...