Hydraulic guide-wheel adjusting mechanism

An adjusting mechanism for an exhaust gas turbo-supercharger of an internal combustion engine, the exhaust gas turbo-supercharger including a lubricating oil circulatory system, turbine means, compressor means, guide wheel blade means provided on at least one of said turbine means and said compressor means for directing the flow of gases through the turbo-supercharger, housing means interposed between said turbine means and said compressor means, the adjusting mechanism comprising a control slide valve means for the control of the pressure of the lubricating oil system acting upon the adjusting mechanism, servo piston means operatively connected with said guide wheel blade means for adjusting the position thereof, the adjusting mechanism being disposed in said housing means between said turbine means and said compressor means, a bladed diffusor provided on said compressor means, means for operatively connecting the adjusting mechanism with said bladed diffusor of the compressor means.

An adjusting mechanism for an exhaust gas turbo-supercharger of an internal combustion engine, the exhaust gas turbo-supercharger including a lubricating oil circulatory system, turbine means, compressor means, guide wheel blade means provided on at least one of said turbine means and said compressor means for directing the flow of gases through said turbo-supercharger, housing means interposed between said turbine means and said compressor means, the adjusting mechanism comprising two adjusting unit symmetrically arranged with respect to the turbo-supercharger axis, each of said adjusting units including a control slide valve means for the control of the pressure of the lubricating oil system acting upon the adjusting mechanism, and two servo-piston means operatively connected with said guide wheel blade means for adjusting the position thereof, said two adjusting units being disposed in said housing means between said turbine means and said compressor means.

An adjusting mechanism for an exhaust gas turbo-supercharger of an internal combustion engine, the exhaust gas turbo-supercharger including a lubricating oil circulatory system, turbine means, compressor means, guide wheel blade means provided on at least one of said turbine means and said compressor means for directing the flow of gases through the turbo-supercharger, housing means interposed between said turbine means and said compressor means, the adjusting mechanism comprises two adjusting units symmetrically arranged with respect to the turbo-supercharger axis, each of said adjusting units including a control slide valve means for the control of the pressure of the lubricating oil system acting upon the adjusting mechanism, and two servo-piston means operatively connected with said guide wheel blade means for adjusting the position thereof, the adjusting means being disposed in said housing means between said turbine means and said compressor means.

An adjusting mechanism for an exhaust gas turbo-supercharger of an internal combustion engine, the exhaust gas turbo-supercharger including a lubricating oil circulatory system, turbine means, compressor means, guide wheel blade means provided on at least one of said turbine means and said compressor means for directing the flow of exhaust gases through the turbo-supercharger, housing means interposed between said turbine means and said compressor means, the adjusting mechanism comprising two adjusting units, each of said adjusting units includes a control slide valve means for the control of the pressure of the lubricating oil system acting upon the adjusting mechanism and servo-piston means operatively connected with said guide wheel blade means for adjusting the position thereof, the control slide valve means of said two adjusting units are subjected to differing return forces, and wherein said two adjusting units are disposed in said housing means between said turbine means and said compressor means.