#WAERTSILAE NSD SCHWEIZ AG [CH]

Piston and cylinder assembly for a longitudinally flushed reciprocating piston combustion engine

The piston (1) has an inlet opening (105) provided in a piston skirt (104) of a jacket piston (101) for feeding the purge air (5), where the piston skirt is surrounded around a piston axis (A). The in…

DRIVE·Mar 26·1 min read

F01L21/04 WAERTSILAE NSD SCHWEIZ AG [CH]

Cylinder liner for a stroke piston combustion engine

The cylinder liner has a piston that is disposed in the operating and installation state between a top dead center and a bottom dead center, such that the piston is movable to-and fro along a cylinder…

DRIVE·Mar 5·1 min read

F02F1/00 WAERTSILAE NSD SCHWEIZ AG [CH]

Method for restoring a cylinder assembly of a reciprocating piston combustion engine

The method involves arranging piston ring package on a piston crown which is set between piston top portion and combustion chamber from underside of piston, so that the piston ring package is set in f…

DRIVE·Mar 5·1 min read

B23P19/00 WAERTSILAE NSD SCHWEIZ AG [CH]

Cylinder liner for a reciprocating combustion engine, method for producing a support ring for a cylinder liner and support ring

The cylinder liner has support ring (3) that is placed on outer support surface (4) of the cylinder liner main portion around a cylinder axis (A) of the cylinder liner main portion. The support ring i…

DRIVE·Feb 26·1 min read

F02F1/004 WAERTSILAE NSD SCHWEIZ AG [CH]

A large reciprocating piston combustion engine, a control apparatus and a method for controlling such an engine

A large reciprocating piston combustion engine (1) comprises at least one cylinder equipped with a cylinder liner (4), at least one piston (6) movably arranged within the cylinder liner, and a cranksh…

DRIVE·Jan 22·1 min read

F02B25/04 WAERTSILAE NSD SCHWEIZ AG [CH]

Method for operating a two stroke diesel engine and two-stroke diesel motor

The method involves providing cylinder (12) having a combustion chamber (2) delimited by a reciprocating piston (3). An outlet valve (4) is configured for discharging combustion gases. An inlet openin…

DRIVE·Dec 25·1 min read

F02D13/0276 WAERTSILAE NSD SCHWEIZ AG [CH]

Lubricant collector

The piston-cylinder unit (2) has a cylinder (20) with a cylinder jacket (17) limiting the cylinder internal space (18), and a piston with a piston lateral surface (4), a piston upper side (5) and a pi…

DRIVE·Dec 11·1 min read

F01M1/06 WAERTSILAE NSD SCHWEIZ AG [CH]

Large crosshead diesel motor, support and vibration compensator for a large crosshead diesel motor

The crosshead-large diesel engine has a base plate for accommodating a crankshaft and a column (5) comprising two outer walls, which is arranged on the base plate. A cylinder section is arranged on th…

DRIVE·Nov 20·1 min read

F02B75/06 WAERTSILAE NSD SCHWEIZ AG [CH]

Method and cylinder lubrication device for lubricating a piston-cylinder unit of a reciprocating piston combustion engine

The method involves arranging a piston along a piston axis in cylinder liner in axial direction in back and forth movable manner. The lubricant is conveyed to a lubricant opening by a conveyor unit. T…

DRIVE·Nov 20·1 min read

F01M1/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Large crosshead diesel motor, support and vibration compensator for a large crosshead diesel motor

The engine i.e. two-stroke large diesel engine (1), has transversely supporting walls (8, 81, 82) arranged opposite to each other in an end side (10) of a stand (5) with respect to a crankshaft (3) an…

DRIVE·Nov 20·1 min read

F02B75/06 WAERTSILAE NSD SCHWEIZ AG [CH]

Piston and lubricant distribution device for reciprocating piston combustion engine

A piston (1) for a reciprocating combustion engine (2) has a piston crown (111) end facing the combustion space and a piston skirt end remote from the combustion space (112) and a peripheral surface (…

DRIVE·Sep 18·1 min read

F02F3/00 WAERTSILAE NSD SCHWEIZ AG [CH]

LARGE MOTOR WITH A CYLINDER LUBRICATION DEVICE AND METHOD FOR LUBRICATING A CYLINDER OF A LARGE MOTOR

The engine has connectors (13, 14) for connecting a drive shaft with a piston. A lubrication- or cooling device lubricates or cools a cylinder and/or the piston and/or the connector by a fluid medium.…

DRIVE·Aug 14·1 min read

F01M1/06 WAERTSILAE NSD SCHWEIZ AG [CH]

Piston-cylinder unit and method for supplying lubricant to a piston of a piston-cylinder unit for a reciprocating piston combustion engine

The unit (110) has a cylinder liner (111), and a piston (112) comprising a piston upper edge (129) and a piston lower edge (130). The piston is moved back and forth in an axial direction along a pisto…

DRIVE·Jul 31·1 min read

F01M1/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Piston and cylinder assembly for a reciprocating compressor combustion machine and method for removing deposits from a piston

The piston (1) has a cylinder liner (3) in which a piston top surface (1011) defines a combustion chamber (VB) in an installation condition. A piston ring package (4) is formed at an outer surface of …

DRIVE·Jun 12·2 min read

F02B77/04 WAERTSILAE NSD SCHWEIZ AG [CH]

Fuel injection system for an internal combustion engine, method for injecting fuel, as well as an internal combustion engine

The invention relates to a fuel injection system (1) for injecting a fuel (2) into a cylinder (3) of a reciprocating internal combustion engine, in particular two-stroke large diesel engine. Said fuel…

DRIVE·Mar 13·2 min read

F02M59/105 WAERTSILAE NSD SCHWEIZ AG [CH]

Fuel injection timing control for a large reciprocating piston combustion engine

A method for controlling the operation of a large reciprocating piston combustion engine (1) of the diesel type includes injecting fuel into a combustion chamber (3) of the reciprocating piston combus…

DRIVE·Mar 6·1 min read

F02D41/0025 WAERTSILAE NSD SCHWEIZ AG [CH]

Piston and oil distribution ring for a stroke piston combustion engine

The piston (1) has a lateral surface formed between combustion chamber (VB) and cylinder wall (31) of cylinder (3) of engine, set facing piston crown (101) arranged remote from piston skirt (102) fric…

DRIVE·Jan 30·1 min read

F02F3/00 WAERTSILAE NSD SCHWEIZ AG [CH]

Piston, piston ring and oil distribution ring for a stroke piston combustion engine

The piston has a piston ring packing (4) that is formed between a piston crown (101) and a piston skirt (102) at a lateral surface. The piston ring packing has a partial ring packing (400) with a pist…

DRIVE·Jan 30·1 min read

F02F3/00 WAERTSILAE NSD SCHWEIZ AG [CH]

Linking element for lubricant

The piston engine arrangement has an engine housing (25) and a lubricant reservoir (23), where a connecting element (24) is arranged for connecting the engine housing with the lubricant reservoir. A c…

DRIVE·Dec 12·1 min read

F01M1/06 WAERTSILAE NSD SCHWEIZ AG [CH]

Device and method for treating waste gas

The device (10) has an elongated exhaust gas manifold (7) with inlets (7.1a, 7.1a', 7.1a'', 7.2a, 7.2a') for receiving exhaust gas from a large diesel engine. The exhaust gas manifold and a catalyst c…

DRIVE·Nov 28·1 min read

B05B17/06 WAERTSILAE NSD SCHWEIZ AG [CH]

A high pressure fluid rail

A high pressure fluid feed device (1) for a common rail system for a large internal combustion engine comprises a pressure accumulator unit (7) for supplying high pressure fluid to a plurality of flui…

DRIVE·Oct 17·2 min read

F02M55/025 WAERTSILAE NSD SCHWEIZ AG [CH]

A fluid injection device

A high pressure fluid injection device (2) for a common rail system for a large internal combustion engine comprises a first connection element (7) for supplying high pressure fluid provided by a comm…

DRIVE·Oct 17·1 min read

F02M47/04 WAERTSILAE NSD SCHWEIZ AG [CH]

Cylinder assembly and piston for a longitudinally flushed stroke piston combustion engine

The cylinder arrangement comprises a piston (3) which is provided as two piece piston. A mantle piston (32) is provided with a piston ring (33), where a main piston (31) is positioned in the mantle pi…

DRIVE·Sep 26·1 min read

F01L11/02 WAERTSILAE NSD SCHWEIZ AG [CH]

Piston for a stroke piston combustion engine

The piston has a cylinder (2) arranged along a cylinder axis (A) between an upper dead center and a bottom dead center in an axial direction. A piston ring gasket (3) comprising two piston rings (31, …

DRIVE·Jul 25·1 min read

F02F3/00 WAERTSILAE NSD SCHWEIZ AG [CH]

Passive flow control valve

The passive flow control valve (1) has valve housing (2) with an inlet (3) and an outlet (4) for a flowable medium. A valve chamber (5) is arranged between the inlet and outlet. An input-side closing …

DRIVE·Feb 29·1 min read

F02M55/02 WAERTSILAE NSD SCHWEIZ AG [CH]

Fluid dispenser and method for providing an operating fluid using a fluid dispenser

The fluid dispenser (1) has a supplying cylinder (3) with an arranged supplying piston (4). A pressure relief medium (11) is provided such that an operating pressure (PA) of operating fluid (2) is tim…

DRIVE·Jan 25·1 min read

F02M55/02 WAERTSILAE NSD SCHWEIZ AG [CH]

lubrication device for a piston

The piston (10) has a piston upper part (1) and a piston lower part (3) connected with each other by a clamping element (4) i.e. clamping screw. A lubricating device (5) lubricates a bearing surface o…

DRIVE·Jan 25·1 min read

F01M1/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Large motor with a cylinder lubrication device and method for lubricating a cylinder of a large motor

The giant motor has two cylinders (20), where each cylinder has a hole (B) and a longitudinal axis (A). A lubrication device (10) is arranged for a pump (1) of each cylinder. A distributer (3) is prov…

DRIVE·Dec 14·1 min read

F01M1/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Low-wear stroke piston combustion engine

The reciprocating internal combustion engine such as a large diesel engine comprises a cylinder having a cylinder liner (30) and a piston (5), which is movably arranged and has a piston ring (20) at i…

DRIVE·Dec 7·2 min read

F02F1/004 WAERTSILAE NSD SCHWEIZ AG [CH]

A cylinder arrangement for an internal combustion engine

The invention relates to a cylinder arrangement (1) for an internal combustion engine, including a cylinder (2) in which a piston (3) is arranged to be movable along a longitudinal cylinder axis (A) t…

DRIVE·Jun 22·2 min read

F01L3/22 WAERTSILAE NSD SCHWEIZ AG [CH]

Connection arrangement

The connection part has an end side (12) formed with an inflow opening (14), and another end side (13) formed with an outflow opening (16), where the latter end side is connected to the inflow opening…

DRIVE·Mar 16·1 min read

F01L9/10 WAERTSILAE NSD SCHWEIZ AG [CH]

Diesel machine, in particular a big diesel engine, with an electronic control system and a method for starting the diesel machine

The time intervals by which an injection nozzle (26) for fuel, a feed nozzle for starting air and a gas switching valve (23) are activated by a control system (7) are flexibly programmable. A compress…

DRIVE·May 3·1 min read

F02D13/0215 WAERTSILAE NSD SCHWEIZ AG [CH]

Method and device for the lubrication of an internal combustion engine

Method for lubricating a running surface of a cylinder wall of a cylinder of a lifting piston engine comprises controlling a lubricant nozzle using a control device containing a regulating unit in suc…

DRIVE·Apr 5·1 min read

F01M1/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Diesel engine with a control system comprising electronic modules

The diesel engine has electronic modules (10) and a control system (1) with an inter modular communication bus arranged between them for transferring information. The bus system has a connection point…

DRIVE·Nov 2·2 min read

F02D41/22 WAERTSILAE NSD SCHWEIZ AG [CH]

Fuel injector

The fuel injection nozzle for an internal combustion engine comprises a nozzle body (2), nozzle head (3), and a nozzle needle (7) inside the body and interacting with a valve seat (8) by its end. The …

DRIVE·Aug 24·1 min read

F02M61/14 WAERTSILAE NSD SCHWEIZ AG [CH]

Large diesel engine with electronic control unit

Diesel engine, especially a large diesel engine, comprises an electronic control system (1) and several cylinders. Each cylinder is assigned to a module (10, 10', 10'', 10''') of the control system. E…

DRIVE·Aug 10·1 min read

B23C5/006 WAERTSILAE NSD SCHWEIZ AG [CH]

Process for monitoring cylinder pressure

Device for monitoring the cylinder pressure in a cylinder (1) of a diesel engine comprises a measuring unit (12) formed as a distance sensor and/or a spacer sensor. Independent claims are also include…

DRIVE·Apr 20·1 min read

F02B77/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Method and device for lubricating an internal combustion engine

The method involves applying a film (7) of lubricant to the cylinder (4) wall with a lubricant nozzle (6) and detecting a characteristic parameter of the lubricant film with a sensor (8). A drive unit…

DRIVE·Feb 9·1 min read

F01M1/08 WAERTSILAE NSD SCHWEIZ AG [CH]

Pressure accumulator for a Common Rail system

The device has a tubular base body (2) bounding an inner storage volume (4) for a medium to be stored and at least one through bore (5) for carrying away the medium extending through a wall (3) and op…

DRIVE·Jun 9·1 min read

F02M55/02 WAERTSILAE NSD SCHWEIZ AG [CH]

Pressure accumulator for a Common Rail system

DRIVE·Jun 9·1 min read

F02M55/025 WAERTSILAE NSD SCHWEIZ AG [CH]