Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02DCONTROLLING COMBUSTION ENGINES

F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits

F02D9/02concerning induction conduits F02D9/04concerning exhaust conduits F02D9/06Exhaust brakes F02D9/08Throttle valves specially adapted therefor Arrangements of such valves in conduits F02D9/10having pivotally-mounted flaps F02D9/1005Details of the flap F02D9/101Special flap shapes, ribs, bores or the like F02D9/1015Details of the edge of the flap F02D9/102the flap having movable parts fixed onto it F02D9/1025the rotation axis of the flap being off-set from the flap center axis F02D9/103the rotation axis being located at an edge F02D9/1035Details of the valve housing F02D9/104Shaping of the flow path in the vicinity of the flap F02D9/1045for sealing of the flow in closed flap position F02D9/105having a throttle position sensor F02D9/1055having a fluid by-pass F02D9/106Sealing of the valve shaft in the housing F02D9/1065Mechanical control linkage between an actuator and the flap F02D9/107Manufacturing or mounting details F02D9/1075Materials F02D9/108Plastics F02D9/1085Non-organic materials F02D9/109having two or more flaps F02D9/1095Rotating on a common axis F02D9/12having slidably-mounted valve members having valve members movable longitudinally of conduit F02D9/14the members being slidable transversely of conduit F02D9/16the members being rotatable F02D9/18having elastic-wall valve members