F - Mech Eng,Light,Heat,Weapons – 01 – P
Patent
F - Mech Eng,Light,Heat,Weapons
01
P
F01P 5/00 (2006.01) B01J 7/00 (2006.01) E21B 21/14 (2006.01) E21B 21/16 (2006.01) E21B 43/12 (2006.01) F01P 3/14 (2006.01) F01P 3/00 (2006.01) F01P 7/04 (2006.01) F02B 75/02 (2006.01) F02F 7/00 (2006.01)
Patent
CA 2140956
An apparatus and method for cooling the parts of an extractor valve assembly to workable levels by cooling a portion of the exhaust gases of a combustion engine and mixing it with the newly produced gases to lower the average temperature of the gases produced which is seen by the extractor valve and by recirculating engine oil along the production tubes to precool the gases before they arrive at the extractor valve. A riser tube (20, 220) connected with the combustion chamber (204) conducts the gas mixture under pressure through an extractor valve (21, 260) and a portion of the gas mixture exiting the valve is cooled and recirculated back into a second inlet (290) in the valve and mixed with a currently produced gas mixture passing through the valve body thereby reducing the temperature of the currently produced gas mixture. A sleeve (231, 232) surrounding the riser tube (20, 220) defines an annulus (230) that is connected with an oil pump (90) which pumps oil into the annulus to cool the riser tube and the gas mixture flowing through the riser tube.
Baugh Benton F.
Finlayson & Singlehurst
LandOfFree
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