Control system for turbocharger
AssigneeSchmelzer Corporation
InventorCharles A. Detweiler
Life of this patent
Estimating the term…
Abstract
A control system where the turbocharger of an internal combustion engine including a compressor and a turbine driven by exhaust gasses from the internal combustion engine in which exhaust gasses are bypassed to limit the speed of the turbine in proportion to the pressure of the compressor outlet above a predetermined absolute pressure which is determined by an aneroid control member.
Claims18
A control system for a turbocharger having a compressor driven by a turbine comprising;
- valve means movable to alter the volume of exhaust gasses supplied to drive the turbine to control pressure of fluid discharge from the compressor, motor means to move the valve means between open and closed positions, control means disposed in a position to regulate communication between said outlet of said compressor and said motor means including a regulating valve movable between open and closed positions, means biasing said regulating valve to a closed position in response to a predetermined absolute pressure and to an open position in response to pressure from said compressor outlet greater than said predetermined absolute pressure to open said valve means and alter the speed of said turbine.
A control system for a turbocharger for an internal combustion engine including a compressor for delivering fuel-air mixture at a positive pressure from a carburetor to the intake manifold of an internal combustion engine and a turbine driven by exhaust gases from the internal combustion engine passing through the turbine, comprising;
- a bypass passage around said turbine, a waste gate valve in said passage movable from a closed position in which exhaust gases pass through said turbine and an open position in which some of the gases bypass said turbine, a motor for moving said valve means between open and close positions including a housing, a movable wall connected to said waste gate valve and forming chambers in said housing at opposite sides of said wall, a conduit connecting one of said chambers to the intake manifold to move said waste gate valve to an open position in the presence of a positive pressure in said one chamber, a controller in said conduit, said controller being operative in response to a pressure at said intake manifold in excess of a predetermined absolute pressure to admit pressure to said one chamber to regulate said waste gate valve relative to a constant absolute pressure independently of ambient pressure.
Dependencies are inferred from the claim text.