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(12)UnitedStatesPatent Radclilf et al. (54) ORGANIC RANKINE CYCLE SYSTEM WITH SHARED HEAT EXCHANGER FOR USE WITH A RECIPROCATING ENGINE (10)PatentN0.: US 7,013,644B2 (75) Inventors:ThomasD.Radcli?',Vernon,CT(US); - ,, amiea. lcg'guclelsp'Blederman’WestHartford’ ( ) _ (73) Ass1gnee:UTCPower,LLC,SouthWindsor,CT (Us) (*) Notice: Subjecttoanydisclaimer,thetermofthis patent is extended or adjusted under 35 USC 154(b)by61days. (21) Appl.N0.:10/716,300 (22) (65) (51) (52) (58) (56) Filed: Nov.18,2003 PriorPublicationData US 2005/0103016 A1 May 19, 2005 Int.Cl. F02G 3/00 (2006.01) US. Cl. .. 60/614; 60/651; 60/671 FieldofClassi?cationSearch..60/614, 60/616,618,649,651,671 See application ?le for Complete Search history References Cited U.S. PATENT DOCUMENTS DE (Continued) FOREIGNPATENTDOCUMENTS 2639187 ‘3/1976 (Continued) 4,057,715 A 4,386,499 A 4,590,384 A 4,617,808 A 4,760,705 A 4,901,531 A 5,038,567 A 5,056,315 A 5,119,635 A 5,339,632 A 5,598,706 A 5,632,143 A 5,640,842 A * 11/1977 6/1983 5/1986 10/1986 8/1988 * 2/1990 8/1991 * 10/1991 6/1992 8/1994 2/1997 5/1997 Jones et al. ................ 700/290 RaViV et21. Bronicki Edwards Yogev et al. Kubo et al. .................. 60/618 MortiZ Jenkins ....................... 60/614 Harel McCrabb et21. Bronicki et al. Fisher et al. Bronicki ................. 60/39.181 Primary Examiner—Hoang Nguyen (74)Attorney,Agent, orFirm—Wall Marjama & Bilinski LLP (57) ABSTRACT In order to effectively extract the Waste heat from a recip rocating engine, the normal heat exchanger components of an engine are replaced With one or more heat exchangers Which have the motive ?uid of an organic rankine cycle system ?owing therethrough. With the heat transfer in the plurality of heat exchangers, the engine is maintained at a reasonable cool temperature and the extracted heat is sup plied to an ORC turbine to generate poWer. The heat is derived from a plurality of sources Within the reciprocating engine, and at least tWo of those sources have their ?uids passing through the same heat exchanger. In one embodi ment, the engine coolant and the engine lubricant pass through the heat exchanger in the same direction, and the ORC motive ?uid passes therethrough in a counter?oW relationship. 14 Claims, 2 Drawing Sheets * 6/1997 _ INLET AIR EXHAUST (45) Date of Patent: Mar. 21, 2006 5,664,419 A 5,761,921 A 5,809,782 A 5,860,279 A * 9/1997 Kaplan 6/1998 Hori et al. .. 62/2384 9/1998 Bronickiet81. 1/1999 Bronickietal. 6,571,548 B1 2002/0148225 A1 6/2003 Bronickietal. 10/2002 Lewis US007013644B2 2 $618616;a1 6,497,090B1 12/2002 Bronickietal. 6,526,754B1 3/2003Bronicki 6,539,718B1 4/2003 Bronickietal. 6,539,720B1 4/2003RouseetaL 6,539,723B1* 4/2003Bronicki61al..............60/774PDF Image | ORGANIC RANKINE CYCLE SYSTEM WITH SHARED HEAT EXCHANGER
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