Class / Patent application number | Description | Number of patent applications / Date published |
123562000 | Multiple superchargers | 17 |
20090255517 | Two-Stage Supercharging System for Internal Combustion Engine - A sequential-type, two-stage supercharging system ( | 10-15-2009 |
20100263638 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus that prevents an abrupt change in the air amount at the time of supercharger switching. The control apparatus enters a small turbo operating state in which a small turbocharger is mainly operative, during relatively low-rotation-speed and low-load side, and enters a large turbo operating state in which a large turbocharger is mainly operative, in a relatively high-rotation-speed and high-load. In the small turbo operating state, the control apparatus can exercise charging efficiency enhancement control by using a scavenging effect. Before switching from the small turbo operating state to the large turbo operating state, the control apparatus predicts whether the large turbocharger will build up its boost pressure quickly or slowly. When slow boost pressure is predicted, the control apparatus exercises charging efficiency enhancement control to provide a low degree of charging efficiency enhancement. | 10-21-2010 |
20110120427 | TWIN TURBO ASSEMBLY AND METHOD FOR OPERATING A TWIN TURBO ASSEMBLY - A twin turbo assembly is provided for an automotive vehicle that includes, but is not limited to a first air intake for sucking in ambient air, a first turbo charger that includes, but is not limited to a first compressor connected to the first air intake, a first intake duct connecting the first turbo charger to a combustion engine, a second air intake for sucking in ambient air, a second turbo charger that includes, but is not limited to a second compressor connected to the second air intake, and a second intake duct connecting the second turbo charger to the combustion engine. The first intake duct is connected to the second intake duct, and a first bypass valve is provided to connect the first air intake to the first intake duct bypassing the first compressor and/or a second bypass valve is provided to connect the second air intake to the second intake duct bypassing the second compressor. Due to the bypass valve, an overpressure inside the intake ducts can be discharged to a volume between the air filter and the respective compressor. The released pressure prevents or at least reduces the risk that compressed air inside the intake ducts may flow against compressing direction of the first compressor and/or the second compressor, so that the noise emission associated with this backflow is reduced or even prevented. | 05-26-2011 |
20110146634 | SUPERCHARGER CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A supercharger control device for an internal combustion engine is preferably applied to a system having a first supercharger and a second supercharger. A switching supercharging pressure setting unit sets a switching supercharging pressure used in case of switching a mode for operating the first supercharger and the second supercharger, based on a difference between a target supercharging pressure and an actual supercharging pressure. When the actual supercharging pressure reaches the switching supercharging pressure, a switching control unit performs a control of switching the mode. Therefore, it becomes possible to appropriately prevent the overshoot of the supercharging pressure at the time of switching the mode. | 06-23-2011 |
20110253112 | INTERNAL COMBUSTION ENGINE - An internal combustion engine is disclosed, comprising at least one first compression device and at least one second compression device which is connected in series relative to the first compression device. At least one bypass pipe bypasses at least one compression device. At least one controllable valve is arranged in the at least one bypass pipe such that the amount of fluid which can be recirculated around the compression device can be controlled. | 10-20-2011 |
20120037133 | COMPRESSOR COMPRISING A SWIRL GENERATOR, FOR A MOTOR VEHICLE - The invention relates to the operation of a supercharged internal combustion engine ( | 02-16-2012 |
20120255528 | PIPE ARRANGEMENT - Disclosed is a pipe arrangement ( | 10-11-2012 |
20130146035 | AIR SUPPLY SYSTEM WITH TWO-STAGE ROOTS BLOWER - An air supply system is provided that uses two sets of rotors on a common set of shafts to boost air in two stages. The air supply system includes a housing and a first and a second rotatable shaft at least partially within the housing. A first and a second pair of rotors are included. Each pair of rotors has a first rotor supported for rotation on the first shaft and a second rotor supported for rotation on the second shaft. The housing has an inlet at the first pair of rotors, an outlet at the second pair of rotors, and an internal chamber between the first and the second pairs of rotors. Air flow from the inlet to the outlet thereby has a first pressure boost from the inlet to the internal chamber and a second pressure boost from the inlet chamber to the outlet. | 06-13-2013 |
20130233289 | Supercharged Internal Combustion Engine - A supercharged internal combustion engine having a plurality of exhaust-driven superchargers staggered as a function of output of the engine, each connected or disconnected with a common exhaust manifold via an exhaust-driven turbine and an exhaust gas valve. Valve mechanisms are provided for changeover of transition air of an auxiliary compressor, having an output side connected to a common combustion air manifold, and of compressor air of a respective supercharger compressor added in staggered operation. Changeover is effected as a function of supercharger speed and combustion air pressure. Each valve mechanism has an ambient air valve, disposed between supercharger compressor outlet and combustion air manifold, and a supply air valve disposed between the compressor outlet and ambient air valve and leading to auxiliary compressor air inlet. A processor having a stored requirements profile activates/deactivates the exhaust gas valves, valve mechanisms and an auxiliary compressor motor. | 09-12-2013 |
20130306039 | Turbo Compressor By-Pass - A system is provided for boosting the pressure of air delivered to the intake manifold of an engine during a transient event. The system includes an air flow line that is configured to deliver air to an inlet of a low pressure compressor. The system also includes a high pressure compressor. The system further includes a bypass system having at least one bypass valve and a bypass line. The bypass system is configured to allow at least a portion of the air in the air flow line to bypass the low pressure compressor when the bypass valve is in an open position. The bypass valve may be actuated to an open position during transient events so as to increase the speed at which the pressure, and thus air flow mass, of air being supplied to an engine obtained desired levels. | 11-21-2013 |
20140144412 | ELECTRIC SUPERCHARGING DEVICE AND MULTI-STAGE SUPERCHARGING SYSTEM - It is intended to provide: an electric supercharging apparatus wherein, with a simple structure, rotor windage loss in an electric motor for driving a compressor is reduced and good cooling performance is produced; and a multi-stage supercharging system using the electric supercharging device. This electric supercharging apparatus is provided with: a first cooling passage formed in a stator along a motor coil and communicating a gas supply port with a gas discharge port in a motor housing; and a first intake passage connecting the gas discharge port to an intake port of a compressor. This electric supercharging apparatus is configured to introduce outside air into the first cooling passage via the gas supply port by applying negative pressure to the first cooling passage via the first intake passage, thereby cooling the inside of the motor housing. | 05-29-2014 |
20140238361 | SUPERCHARGER ASSEMBLY WITH INDEPENDENT SUPERCHARGERS AND MOTOR/GENERATOR - An assembly for controlling air flow to an engine includes a first supercharger( | 08-28-2014 |
20140261339 | MULTI-STAGE COMPRESSORS AND ASSOCIATED SYSTEMS, PROCESSES AND METHODS - Multi-stage compressors for compressing and/or liquefying gases are disclosed herein. A multi-stage compressor in accordance with a particular embodiment includes a cylinder bank having a plurality of cylinders. A first insert having a first inside diameter can be positioned within a first individual cylinder, and a second insert having a second inside diameter, smaller than the first inside diameter, can be positioned within a second individual cylinder. A first compression piston can be positioned within the first individual cylinder to compress the gas to a first volume and a second compression piston can be positioned within the second individual cylinder to compress the gas to a second volume, smaller than the first volume. | 09-18-2014 |
20140299114 | SYSTEM CONTROL STRATEGY AND METHODS FOR MULTI-PHYSICS FUEL ATOMIZER - A method of controlling fuel delivery to an engine includes providing a fuel atomizer, a mechanically driven air compressor, a start up air source, and an air valve coupled between the mechanically driven air compressor and the start up air source, charging the start up air source, delivering compressed air from the start up air source to the fuel atomizer, starting the engine using an air/fuel mixture provided by the fuel atomizer, and operating the air valve to direct compressed air from the mechanically driven air compressor to the fuel atomizer after the engine starts. | 10-09-2014 |
20140305412 | DIRECT MANIFOLD BOOST ASSIST DEVICE WITH THROTTLE BODY MANIFOLD VOLUME ISOLATION - Methods and systems are provided for adjusting intake airflow through two induction passages. In response to increased torque demand, intake airflow may be directed through a first induction passage including an exhaust-driven turbocharger compressor and through a second induction passage including an electric compressor. Further, after the turbocharger compressor increases speed, intake airflow may be directed again through the first induction passage to further increase boost. | 10-16-2014 |
20140305413 | DIRECT MANIFOLD BOOST ASSIST DEVICE WITH THROTTLE BODY MANIFOLD VOLUME ISOLATION - Methods and systems are provided for adjusting intake airflow through two parallel induction passages. In response to increased torque demand, intake airflow may be directed through a first induction passage including an exhaust-driven turbocharger compressor and through a second induction passage including an electric compressor. Further, after the turbocharger compressor increases speed, intake airflow may be directed again through the first induction passage to further increase boost. | 10-16-2014 |
20160069307 | AIR INDUCTION SYSTEM - An air induction system for delivering equal quantities of combustion air to an internal combustion engine has an air box assembly comprising a housing that defines a filter chamber that is configured to receive an air filter assembly, an air inlet that admits the fresh air into the housing and the filter chamber and outlets extending from the housing. The air filter assembly further comprises a filter media disposed between the air inlet and the outlets to define a filtered air chamber on a flow side of the filter media and a partition extending across the filtered air chamber to divide filtered, fresh air passing through the filter media into two flow paths, the divided flows paths exiting the housing and the filtered air chamber through the outlets. | 03-10-2016 |