US2012312503A1PendingUtilityA1

Method And Apparatus For Cogeneration Heat Recovery

47
Individually held — no corporate assignee on recordPriority: May 26, 2011Filed: May 29, 2012Published: Dec 13, 2012
Est. expiryMay 26, 2031(~4.8 yrs left)· nominal 20-yr term from priority
Inventors:Francisco A. Arrieta
F28D 21/0003F28D 15/00F02B 77/13F01N 5/02Y02T10/12F02G 5/02F02B 63/04
47
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Claims

Abstract

The present invention overcomes several disadvantages inherent in the operation of heat generating systems, particularly in the operation of engine-generators sets. The present apparatuses and methods increase the efficiency of these systems and provide means to economize fuel in their operation. The present invention applies to many type of engines and engines set combinations, but particularly to engine generator sets that run on fuels. Heat generating systems such as an engine-generator set are immersed in a medium similar, but not necessarily equal to, one used on oil cooled or liquid filled electrical transformers with high thermal conductivity and a high voltage rating. The medium in the unit recovers wasted heat (thermal energy). The heat recovered is transferred with a heat transfer unit or heat exchanger and utilized directly, as useful energy, for many purposes, such as heating, or cooling with the use of absorption or adsorption chillers.

Claims

exact text as granted — not AI-modified
1 . An apparatus for the recovery of heat generated during the operation of a heat generating system, comprising:
 a thermally insulated housing at least partially enclosing a heat generating system;   a medium in heat transfer communication with at least a portion of the heat generating system; and   a heat recovery subsystem to recover heat from the medium.   
     
     
         2 . The apparatus of  claim 1 , wherein the medium comprises a heat adsorbing, high-voltage rated, fluid. 
     
     
         3 . The apparatus of  claim 1 , wherein the heat recovery subsystem comprises a heat exchanger. 
     
     
         4 . The apparatus of  claim 1 , wherein the heat generating system comprises an engine-generator set. 
     
     
         5 . The apparatus of  claim 1 , wherein recovered heat is transferred to an adsorption chiller. 
     
     
         6 . The apparatus of  claim 1 , wherein recovered heat is transferred to a heater. 
     
     
         7 . A method of recovering heat from a heat generating system, comprising:
 providing a medium capable of transferring heat, in heat transfer communication with at least a portion of a heat generating system;   transferring heat from the heat generating system to the medium; and   recovering heat from the medium.   
     
     
         8 . The method of  claim 7 , wherein the medium comprises a heat adsorbing, high-voltage rated, fluid. 
     
     
         9 . The method of  claim 7 , wherein transferring heat from the heat generating system to the medium comprises using a heat exchanger. 
     
     
         10 . The method of  claim 7 , further comprising transferring heat to a device capable of utilizing heat from the medium. 
     
     
         11 . The method of  claim 7 , wherein the heat generating system comprises an engine-generator set. 
     
     
         12 . An apparatus for the recovery of heat and dampening of noise generated during the operation of an engine-generator set, comprising:
 a thermally insulated housing at least partially enclosing an engine-generator set;   a medium in heat transfer communication with at least a portion of the engine-generator set;   a dampening subsystem to dampen at least a portion of the noise generated by the engine-generator set; and   a heat recovery subsystem to recover heat from the medium.   
     
     
         13 . The apparatus of  claim 12 , wherein the medium comprises a heat adsorbing, high-voltage rated, fluid. 
     
     
         14 . The apparatus of  claim 12 , wherein the heat recovery subsystem comprises a heat exchanger. 
     
     
         15 . The apparatus of  claim 12 , wherein the medium is in heat transfer communication with at least a portion of exhaust generated by the engine-generator set. 
     
     
         16 . The apparatus of  claim 12 , wherein at least a portion of medium passes through the generator via apertures therein. 
     
     
         17 . The apparatus of  claim 12 , wherein the dampening subsystem comprises a muffler. 
     
     
         18 . The apparatus of  claim 12 , wherein the dampening subsystem comprises at least a portion of the medium. 
     
     
         19 . The apparatus of  claim 12 , wherein at least one component of the set is not enclosed in the thermally insulated housing. 
     
     
         20 . The apparatus of  claim 12 , wherein recovered heat is transferred to an adsorption chiller. 
     
     
         21 . The apparatus of  claim 12 , wherein recovered heat is transferred to a heater.

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