Heat recuperator from clothes dryer
Patent 5117563 Issued on June 2, 1992. Estimated Expiration Date: 
December 17, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 17, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus for recovery of heat from exhaust gases of dryer Heat recovery system Heat exchanger for clothes dryer Heat recovery in a laundry system Textile dryer heat recovery system Preheater for clothes dryer Patent #: 4875298 InventorApplicationNo. 628371 filed on 12/17/1990US Classes:34/86, With waste gas heat and/or power conservers34/90, Combined34/604, Including gas or vapor circulating means165/54, In a chamber connected passage traversing the structure165/909REGENERATIONExaminersPrimary: Bennett, HenryAssistant: Gromada, Denise L. International ClassF26B 019/00Foreign Application Priority Data1990-08-28 CAAbstractIn a device for recuperating heat from a clothes drier, the combination of a heat exchanger with cross streams comprising a pack of facially opposed heat exchange surfaces defining therebetween a plurality of open ended channels in which a stream of a relatively cold medium - air - is passed through one set of channels in heat exchange relationship with a second air stream from a drier passing through another set of channels, such channels terminating in a surface area corresponding to the hypothenuse section of a triangular corner closed box able to catch fluid from said exchanger, the four boxes at inlets and outlets forming hermetic cells with tight joints and able to separate humid air from dry warm air and including motor means of air circulation. | |
