#CATERPILLAR MOTOREN GMBH & CO [DE]

PROCESS OF CONTROLLING OPERATION IN A MULTI-CYLINDER ENGINE

A process of controlling operation in a multi-cylinder engine during start of operation and low-load conditions includes skipping a supply of fuel in a first set of cylinders for a pre-defined number …

DRIVE·Jul 19·1 min read

F02B75/18 CATERPILLAR MOTOREN GMBH & CO [DE]

METHOD FOR OPERATING AN ENGINE

A method for operating an engine (100a,100) is disclosed. The engine (100a,100) includes an intake conduit (110) configured to supply air to the engine(100a,100), a primary air supply unit (102) confi…

DRIVE·Jun 14·1 min read

F02B21/00 CATERPILLAR MOTOREN GMBH & CO [DE]

MULTI-FUEL AND FAST FLUSHING SYSTEM FOR POWER PLANTS

A multi-fuel supply system (1) is proposed for operating an internal combustion engine (100) with multiple chemically incompatible fuel types including alternative fuels such as pyrolysis oil based fu…

DRIVE·Jun 7·2 min read

F02B77/04 CATERPILLAR MOTOREN GMBH & CO [DE]

VESSEL GAS SYSTEM WITH DOUBLE-WALLED GAS VALVE UNIT

The present disclosure relates to a double walled gas valve unit (3) for controlling the gaseous fuel flow in particular within a vessel gas system (1). The gas valve unit (3) comprises a housing (23)…

DRIVE·Nov 30·2 min read

F02D19/025 CATERPILLAR MOTOREN GMBH & CO [DE]

COUNTER FLOW IGNITION IN INTERNAL COMBUSTION ENGINES

In general, configurations are disclosed that allow for a counter flow ignition, For example, an internal combustion engine (1) for operation at least partly on gaseous fuel under adjusted flow dynami…

DRIVE·Nov 23·2 min read

F02B19/108 CATERPILLAR MOTOREN GMBH & CO [DE]

FUEL SUPPLY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

A fuel supply system (100) for an internal combustion engine (110) comprises a plurality of fuel injection pumps (170), each fuel injection pump (170) being configured to provide pressurized fuel to a…

DRIVE·Nov 16·1 min read

F02D17/04 CATERPILLAR MOTOREN GMBH & CO [DE]

THROTTLE VALVE FOR AN INTERNAL COMBUSTION ENGINE

A throttle valve (112) includes a conduit (114), a first flap (116), and a second flap (118). The first flap (116) and the second flap (118) are laterally disposed within the conduit (114) and adjacen…

DRIVE·Nov 2·2 min read

F02D9/101 CATERPILLAR MOTOREN GMBH & CO [DE]

THROTTLE VALVE FOR AN INTERNAL COMBUSTION ENGINE

DRIVE·Nov 2·2 min read

F02D9/101 CATERPILLAR MOTOREN GMBH & CO [DE]

ADAPTING INTAKE FLOW FOR INTERNAL COMBUSTION ENGINES

An intake channel system (40, 40') of an internal combustion engine (1) with an engine block cylinder unit section (3) comprises an intake channel (13) that provides a fluid passage fluidly connecting…

DRIVE·Sep 28·1 min read

F02B31/06 CATERPILLAR MOTOREN GMBH & CO [DE]

HOUSING ELEMENT FOR AIR COOLER

A housing element (202) associated with an engine system (100) is provided. The housing element (202) includes an inlet portion (206) defined on a first sidewall (204) of the housing element (202). Th…

DRIVE·Sep 28·1 min read

F02B29/045 CATERPILLAR MOTOREN GMBH & CO [DE]

ADAPTING FLOW DYNAMICS FOR INTERNAL COMBUSTION ENGINES

An internal combustion engine (1) for operation on at least partly gaseous fuel under adjusted flow dynamics comprises an engine block cylinder unit section (3) providing a main combustion chamber (5)…

DRIVE·Sep 28·2 min read

F02B31/04 CATERPILLAR MOTOREN GMBH & CO [DE]

Cooling system for an internal combustion engine

The present disclosure relates to a cooling system (100) for an internal combustion engine (14). The cooling system (100) comprises a high-temperature cooling circuit piping (44, 46, 48) including hig…

DRIVE·Aug 17·2 min read

F02B29/0412 CATERPILLAR MOTOREN GMBH & CO [DE]

METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE

A method for controlling an internal combustion engine (100) operating at least partly on gaseous fuel with a varying gas quality (400) is disclosed. The internal combustion engine (100) includes a ga…

DRIVE·Aug 10·2 min read

F02D19/02 CATERPILLAR MOTOREN GMBH & CO [DE]

Method for operating internal combustion engines

The present disclosure relates to a method for operating an internal combustion engine operating at least partly on gaseous fuel. The internal combustion engine has a main combustion chamber (8) and a…

DRIVE·Jun 29·2 min read

F02B19/108 CATERPILLAR MOTOREN GMBH & CO [DE]

Switchable internal combustion engine for thermal and electric power generation

A method for operating an internal combustion engine (102) is disclosed. The internal combustion engine (102) is configured to be coupled to both an electric generator (104) for generating electric po…

DRIVE·Apr 6·1 min read

F02D29/06 CATERPILLAR MOTOREN GMBH & CO [DE]

Gaseous fuel internal combustion engine with high-pressure fuel pump

The present disclosure relates to a gaseous fuel internal combustion engine (10) comprising a plurality of cylinders (14) movably accommodating a piston (16) operably connected to a crankshaft (22). E…

DRIVE·Mar 30·2 min read

F02M21/0245 CATERPILLAR MOTOREN GMBH & CO [DE]

Controlling an internal combustion engine operated on gaseous fuel

A method for controlling an internal combustion engine (100) during operation on at least partly gaseous fuel is disclosed. The method comprises providing (step 400) a desired burn rate profile (604, …

DRIVE·Mar 23·2 min read

F02D19/0642 CATERPILLAR MOTOREN GMBH & CO [DE]

Ignition system for internal combustion engines

The present disclosure generally relates to a method for operating a gaseous fuel internal combustion engine including at least one main combustion chamber (8) and at least one ignition device (34) co…

DRIVE·Mar 23·1 min read

F02B19/1019 CATERPILLAR MOTOREN GMBH & CO [DE]

Pre-chamber of internal combustion engine

The present disclosure relates to a pre-chamber assembly (20) for an internal combustion engine, and a related method. The pre-chamber assembly (20) may comprise a main pre-chamber body (22) including…

DRIVE·Mar 23·1 min read

F02B19/1095 CATERPILLAR MOTOREN GMBH & CO [DE]

Pre-chamber of internal combustion engine

The present disclosure relates to a pre-chamber body (22) of an internal combustion engine and a related method for operating the internal combustion engine. The pre-chamber body (22) may comprise a p…

DRIVE·Mar 23·1 min read

F02B19/08 CATERPILLAR MOTOREN GMBH & CO [DE]

Method for controlling an internal combustion engine

A method for controlling an internal combustion engine (100) supplied with gaseous fuel of a varying gas composition is disclosed. The method comprises receiving (step 504) a knock data (400) correspo…

DRIVE·Jan 13·1 min read

F02B37/16 CATERPILLAR MOTOREN GMBH & CO [DE]

Method of supplying fuel to engine

A method (200) for supplying fuel to a dual fuel engine (100) or a gaseous fuel engine is disclosed. The method (200) includes regulating a gas admission valve (150) disposed between a gaseous fuel li…

DRIVE·Jan 6·2 min read

F02D19/0621 CATERPILLAR MOTOREN GMBH & CO [DE]

Method for controlling an internal combustion engine

The present disclosure relates to a method for controlling a reciprocating internal combustion engine (100) operating at least partly on gaseous fuel. The method may comprise receiving (step 402) a pr…

DRIVE·Dec 23·1 min read

F02D19/024 CATERPILLAR MOTOREN GMBH & CO [DE]

Valve for fuel supply system

A valve (142) for a fuel supply system (100) of an internal combustion engine (102) is disclosed. The valve (142) may include a valve housing (150) that defines a channel (164) therethrough. The chann…

DRIVE·Dec 9·2 min read

F02D19/025 CATERPILLAR MOTOREN GMBH & CO [DE]

Double-walled fuel supply line element and connecting flange for the same

A connecting flange (124, 125, 144, 145) for a double-walled fuel supply line element (12, 13, 14, 15, 16) configured to be used with a fuel supply system (10) of an internal combustion engine (1) com…

DRIVE·Oct 7·2 min read

F02M21/0218 CATERPILLAR MOTOREN GMBH & CO [DE]

Gas or dual fuel engine

A method (300) of operating a gas or dual fuel engine (100) having a plurality of cylinders (104) includes monitoring (302) a characteristic of each of the plurality of cylinders (104) during operatio…

DRIVE·Oct 7·2 min read

F02D19/0607 CATERPILLAR MOTOREN GMBH & CO [DE]

Internal combustion engine with starting air system

The present disclosure relates to an internal combustion engine (10) comprising at least one cylinder (26A to 26D) for combusting a mixture of fuel and air therein, and a starting air system (90) conf…

DRIVE·Sep 23·1 min read

F02B3/06 CATERPILLAR MOTOREN GMBH & CO [DE]

DETECTING MISFIRING IN A GASEOUS FUEL OPERATED INTERNAL COMBUSTION ENGINE

A method of detecting incomplete combustion, such as misfire, in a gaseous fuel operated internal combustion engine is disclosed. The method comprises receiving (step 402) a pressure data correspondin…

DRIVE·Sep 23·1 min read

F02B77/085 CATERPILLAR MOTOREN GMBH & CO [DE]

Electrical monitoring of gaseous fuel admission valves

The present disclosure relates to a method of evaluating operability of a gaseous fuel admission valve (58) of an internal combustion engine (100). The method may comprise measuring (406) a sequence o…

DRIVE·Sep 9·1 min read

F02D19/021 CATERPILLAR MOTOREN GMBH & CO [DE]

Evaluating air-tightness of a gaseous fuel manifold during purge gas flushing

For a dual fuel internal combustion engine (100) with a plurality of cylinders (9) and at least one gaseous fuel admission valve (58) for each cylinder (9) of the plurality of cylinders (9) fluidly de…

DRIVE·Sep 9·1 min read

F02D19/0621 CATERPILLAR MOTOREN GMBH & CO [DE]

Evaluating gaseous fuel admission valve operability

A method of evaluating operability of gaseous fuel admission valves (58) of a dual fuel internal combustion engine (100) is disclosed that is performed, for example, during the transition from liquid …

DRIVE·Sep 9·2 min read

F02D19/0621 CATERPILLAR MOTOREN GMBH & CO [DE]

Combustion based gas admission valve evaluating during liquid fuel operation of dual fuel engine

For a dual fuel internal combustion engine (100) comprising a plurality of cylinders (9) and at least one gaseous fuel admission valve for each cylinder (9) of the plurality of cylinders (9), a method…

DRIVE·Sep 9·2 min read

F02D19/0621 CATERPILLAR MOTOREN GMBH & CO [DE]

DOUBLE WALLED FUEL SUPPLY PIPE ELEMENT

A T-shaped double-walled fuel supply pipe element (110) configured to be used in a fuel supply pipe system (100) of an internal combustion engine (1) is disclosed. Local leakage detection in fuel supp…

DRIVE·Sep 9·1 min read

F02M21/0218 CATERPILLAR MOTOREN GMBH & CO [DE]

Cylinder balanced operation of internal combustion engines

A method for balancing air filling values of a plurality of cylinders (9) of an internal combustion engine (100) having at least one air inlet valve (16) respectively associated with each cylinder of …

DRIVE·Aug 26·2 min read

F02D13/0203 CATERPILLAR MOTOREN GMBH & CO [DE]

Method for balancing cylinders of an internal combustion engine

A method for balancing a plurality of cylinders during gaseous fuel operation of an internal combustion engine having a plurality of gas admission valves (38) comprises operating the internal combusti…

DRIVE·Aug 19·1 min read

F02D35/023 CATERPILLAR MOTOREN GMBH & CO [DE]

Gaseous fuel feeding system

A gaseous fuel feeding system (100) for feeding a first cylinder bank (12) and a second cylinder bank (14) of an internal combustion engine (10) with gaseous fuel is disclosed. For feeding the first c…

DRIVE·Jul 15·2 min read

F02B43/00 CATERPILLAR MOTOREN GMBH & CO [DE]

Ending operation of dual fuel engine in gaseous fuel mode

A method for controlling operation of a dual fuel internal combustion engine is disclosed. The method comprises initiating an ending process of a gaseous fuel mode by stopping supply of gaseous fuel. …

DRIVE·Dec 31·1 min read

F02D19/0647 CATERPILLAR MOTOREN GMBH & CO [DE]

Method for operating internal combustion engines

An increase of power output of internal combustion engines (10) commonly needs to be performed rapidly. For quickly satisfying at least temporarily an increase of power output of internal combustion e…

DRIVE·Dec 10·1 min read

F02B21/00 CATERPILLAR MOTOREN GMBH & CO [DE]

Dual fuel engine and method of operating the same

In a dual fuel engine operating on a main liquid fuel and a gas fuel, a pilot injector (390) is used to inject a pilot liquid fuel in the gas mode. In order to avoid knocking in the gas mode, the comp…

DRIVE·Nov 26·1 min read

F02B11/02 CATERPILLAR MOTOREN GMBH & CO [DE]

Method of operating a gas or dual fuel engine

A method of operating a gas or dual fuel engine (10) combusting a mixture of gas and air is disclosed. In such engines, pre-ignition of the mixture of gas and air may occur at high loads and high temp…

DRIVE·Nov 26·1 min read

F02D35/023 CATERPILLAR MOTOREN GMBH & CO [DE]