Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1983-10-13
1984-11-27
Burns, Wendell E.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
60602, 123568, 123569, F02B 3700, F02M 2506
Patent
active
044844450
ABSTRACT:
An arrangement for exhaust gas recirculation in a supercharged internal combustion engine has an intake system and an exhaust system joined to each other via a conduit for recirculating exhaust gases to an intake conduit. This recirculation is controlled by a valve in response to the engine intake pressure, said valve having control means comprising an outer and an inner chamber separated by a movable membrane attached to which is a valve member regulating the flow through the conduit. Said valve member is acted on via the membrane by a spring in the outer chamber, which chamber is connected via a conduit to the intake conduit immediately upstream of the idle position for a throttle valve pivotably mounted in the intake conduit. The inner chamber is connected via a conduit to the intake conduit upstream of the connection of the conduit from the outer chamber but downstream of a compressor of the intake system. A certain overpressure in the inner chamber relative to the outer chamber, the force exerted by the spring on the membrane will be overcome and cause the valve spindle to open the conduit.
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Burns Wendell E.
Saab-Scania Aktiebolag
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