Abstract: A thermoplastic resin composition for blow molding is disclosed, which comprises a styrene based resin composition (A) containing a graft copolymer (A-1) containing an ?,?-unsaturated glycidyl ester compound, a graft copolymer (A-2) not containing an ?,?-unsaturated glycidyl ester compound and a copolymer (A-3), and an antistatic agent (B). According to the thermoplastic resin composition for blow molding of the present invention, blow molded articles are provided, which are excellent not only in surface property, impact resistance and heat resistance, but also in effects of suppressing adhesion of polished powder generated in a sanding process and dust during storage until the coating process, and further, the thermoplastic resin composition for blow molding which is reduced in adhesion property to a metal and is excellent in resistance to drawdown, and blow molded articles therefrom are provided.

Abstract: An internal combustion engine exhaust brake control method for increasing a braking force by increasing an exhaust pipe internal pressure when performing exhaust brake control by a vehicle in which an electric turbocharger is connected to an intake system of an engine. The method drives an electric turbocharger to increase a compressor rotation speed to a predetermined rotation speed and to increase an intake air amount when performing exhaust brake control by the vehicle in which the electric turbocharger is connected to the intake system of the engine.

Abstract: A sequential-type, two-stage supercharging system (1) having a high-pressure-stage turbocharger (6) and a low-pressure-stage turbocharger (5), in which high-pressure-stage exhaust gas bypass passages (6d, 6e) for bypassing a high-pressure-stage turbine (6t) is formed by both the first bypass passage (6d) having a small-diameter valve (6f) and the second bypass passage (6e) having a large-diameter valve (6g) with a diameter greater than that of the small-diameter valve (6f). The effective valve area of the small-diameter valve (6f) is set to 9.5%-26.5% of the passage cross-sectional area required when exhaust gas is at its maximum total flow rate. This allows, in medium speed/medium load operation, fine EGR rate control and air-fuel ratio control.

Abstract: An exhaust valve control method for a diesel engine 6 for switching between a normal combustion mode and a premixed combustion mode according to operating conditions; an exhaust valve 9 is opened only in the exhaust stroke in the normal combustion mode, and two-stage valve opening control is carried out to open the exhaust valve 9 not only in the exhaust stroke, but also between the latter part of the air inlet stroke and the initial stage of the compression stroke in the premixed combustion mode.

Abstract: A thermoplastic resin composition for blow molding is disclosed, which comprises a styrene based resin composition (A) containing a graft copolymer (A-1) containing an ?,?-unsaturated glycidyl ester compound, a graft copolymer (A-2) not containing an ?,?-unsaturated glycidyl ester compound and a copolymer (A-3), and an antistatic agent (B). According to the thermoplastic resin composition for blow molding of the present invention, blow molded articles are provided, which are excellent not only in surface property, impact resistance and heat resistance, but also in effects of suppressing adhesion of polished powder generated in a sanding process and dust during storage until the coating process, and further, the thermoplastic resin composition for blow molding which is reduced in adhesion property to a metal and is excellent in resistance to drawdown, and blow molded articles therefrom are provided.

Abstract: A sequential-type, two-stage supercharging system (1) having a high-pressure-stage turbocharger (6) and a low-pressure-stage turbocharger (5), in which high-pressure-stage exhaust gas bypass passages (6d, 6e) for bypassing a high-pressure-stage turbine (6t) is formed by both the first bypass passage (6d) having a small-diameter valve (6f) and the second bypass passage (6e) having a large-diameter valve (6g) with a diameter greater than that of the small-diameter valve (6f). The effective valve area of the small-diameter valve (6f) is set to 9.5%-26.5% of the passage cross-sectional area required when exhaust gas is at its maximum total flow rate. This allows, in medium speed/medium load operation, fine EGR rate control and air-fuel ratio control.

Abstract: An exhaust valve control method for a diesel engine 6 for switching between a normal combustion mode and a premixed combustion mode according to operating conditions; an exhaust valve 9 is opened only in the exhaust stroke in the normal combustion mode, and two-stage valve opening control is carried out to open the exhaust valve 9 not only in the exhaust stroke, but also between the latter part of the air inlet stroke and the initial stage of the compression stroke in the premixed combustion mode.