TURBOCHARGING SYSTEM OF INTERNAL COMBUSTION ENGINE

WIPO Patent Application WO/2011/052071

A1

A turbocharging system equipped with a pressure wave supercharger (20) which supercharges an internal combustion engine (1) by raising the pressure of gas in a cell (23) with the pressure wave of exhaust gas introduced from an exhaust gas introduction port (26) to the cell (23) and discharging the gas having raised pressure from intake gas discharge ports (28b, 25) to an intake gas passage (3) is further provided with a first motor (29) which rotary drives the rotor (22) of the pressure wave supercharger (20), a valve plate (28) which can change the position of the intake gas discharge port (28b) with respect to the exhaust gas introduction port (26), and a second motor (30). Operation of the first motor (29) and the second motor (30) is controlled, respectively, so that the number of revolutions of the rotor (22) and the position of the intake gas discharge ports (28b) with respect to the exhaust gas introduction port (26) are changed based on the flow rate of exhaust gas to be recirculated from the exhaust gas passage (4) to the intake gas passage (3).

YOEDA KEIJI (JP)
KATO KICHIRO (JP)
TAKAMIYA FUMIO (JP)
SUGIYAMA SATOSHI (JP)
YAMANE NARUTO (JP)
SUGANUMA HIROYUKI (JP)

PCT/JP2009/068690

May 05, 2011

October 30, 2009

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TOYOTA MOTOR CO LTD (JP)
YOEDA KEIJI (JP)
KATO KICHIRO (JP)
TAKAMIYA FUMIO (JP)
SUGIYAMA SATOSHI (JP)
YAMANE NARUTO (JP)
SUGANUMA HIROYUKI (JP)

F02B33/42; F02M25/07

JPS60125327U	1985-08-23
JPS6220630A	1987-01-29
JP2001515170A	2001-09-18
JPS6248930A	1987-03-03
JPS58108256U	1983-07-23
JPH0419327A	1992-01-23
JP2008280975A	2008-11-20

YAMAMOTO, Koji et al. (JP)
Koji Yamamoto (JP)

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