Engines characterised by provision of pumps driven at least for part of the time by exhaust

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02BINTERNAL-COMBUSTION PISTON ENGINES COMBUSTION ENGINES IN GENERAL

F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust

F02B37/001using exhaust drives arranged in parallel F02B37/002the exhaust supply to one of the exhaust drives can be interrupted F02B37/004with exhaust drives arranged in series F02B37/005Exhaust driven pumps being combined with an exhaust driven auxiliary apparatus F02B37/007with exhaust-driven pumps arranged in parallel F02B37/013with exhaust-driven pumps arranged in series F02B37/02Gas passages between engine outlet and pump drive F02B37/025Multiple scrolls or multiple gas passages guiding the gas to the pump drive F02B37/04Engines with exhaust drive and other drive of pumps F02B37/10at least one pump being alternatively or simultaneously driven by exhaust and other drive F02B37/105exhaust drive and pump being both connected through gearing to engine-driven shaft F02B37/11driven by other drive at starting only F02B37/12Control of the pumps F02B37/127by bypassing air from the pump inlet F02B37/14Control of the alternation between or the operation of exhaust drive and other drive of a pump F02B37/16by bypassing charging air F02B37/164the bypassed air being used in an auxiliary apparatus F02B37/166the auxiliary apparatus being a combustion chamber F02B37/168into the exhaust conduit F02B37/18by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere F02B37/183Arrangements of bypass valves or actuators therefor F02B37/186Arrangements of actuators or linkage for bypass valves F02B37/20by increasing exhaust energy F02B37/22by varying cross-section of exhaust passages or air passages F02B37/225air passages F02B37/24by using pumps or turbines with adjustable guide vanes