Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 26, 2017
Patent Application Number
14186420
Date Filed
February 21, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A heat pump system for conditioning regeneration air from a space is provided. The heat pump system is operable in a winter mode and/or a summer mode, and may be selectively operated in a defrost mode or cycle. During a defrost mode, hot refrigerant may be used to directly and sequentially defrost the regeneration air heat exchanger. A compressor may be configured to be overdriven during a defrost cycle.
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