2 patents
Utility
Electronic expansion valves having multiple orifice plates
2 Nov 21
An electronic expansion valve (EEV) is operated by a motor controlling a variable restriction valve in which a liquid refrigerant enters at a high pressure and exits at a reduced pressure.
Michael A. Garrabrant, Roger E. Stout, Christopher M. Keinath, Matthew C. Blaylock, Paul E. Glanville
Filed: 7 Jul 17
Utility
Sorption heat pump and control method
26 Jan 21
A method operates an absorption heat pump system, specifically the flow of hydronic cooling fluid through the condenser during system start-ups, or when the cooling fluid temperature is low.
Michael A. Garrabrant, Roger E. Stout
Filed: 11 May 17
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