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Assignee: AB Volvo Penta


Location: Gothenburg, SE
No. of patents: 113

1      
NumberTitleIssue Date
8060265Method of steering aquatic vessels
There is provided a boat (200) including a hull (20), and two engines (30, 50) couplable to rotationally drive mutually spaced separate corresponding propeller assemblies for providing thrusts. Directions of the thrusts are angularly adjustable ...
11/15/2011
7666040Watercraft swivel drives
Enhanced watercraft performance is provided by combinations of one or more inboard swivel propulsion drives and hull tunnels. A tunnel at the hull centerline with specific features provides performance advantages for a center swivel propulsion drive. Use of front pr...
02/23/2010
7559814Tilt/trim assembly and method
A transom shield assembly adapted to be coupled to a transom of an inboard/outboard boat includes a transom shield, and a cover, attachable to the transom shield, for covering a trim pump. The transom shield assembly permits a trim pump to be hydraulically connected...
07/14/2009
7524219Steering control system for a vessel, a vessel including such a steering control system and a method for controlling a steering system
Steering control system for a vessel including at least two propulsion units pivotally arranged in relation to the hull of the vessel for generating a driving thrust of the vessel in a desired direction, wherein each propulsion unit is moveable within a working volu...
04/28/2009
7430994Cylinder head and combustion engine comprising a cylinder head
A cylinder head (1) for an internal combustion engine, the cylinder head (1) having a top face (1a), a bottom face (1b) arranged to be connected to a cylinder block, a lateral exhaust flange face (1c) arranged ...
10/07/2008
7407366Propeller combination for a boat propeller drive having double propellers
Propeller combination for an aft-mounted boat propeller drive unit with counter-rotating pushing propellers (8,9). The forward propeller (9) is made with blades (12) which have blade tips with an outer edge (b) which approaches a straight line. ...
08/05/2008
7238065Method and arrangement for function test of a steering for a propeller drive on a boat
A method and arrangement for function test of steering for a propeller drive on a boat including a propeller drive suspended in a housing that can rotate, a servo motor which is arranged to rotate the rotating housing, a position sensor in association with the servo...
07/03/2007
7226327Outboard drive for boats
An outboard drive for boats, having a steerable underwater housing (1) which has a wing-profiled portion (2). Projecting at an approximately 90 degree angle from the aft part of one side face (31) of the wing profile is a face portion (32...
06/05/2007
7223076Propeller shaft and a propeller adapted thereto
Propeller shaft (2) and a propeller (7) for marine drive units. The shaft has a splines portion (3) on which the propeller is designed to be fixed. The shaft also has a threaded portion (10) for a lock nut between the shaft end and the sp...
05/29/2007
7223074Propeller shaft arrangement, propeller arrangement, adaptive arrangement and propulsion arrangement
Apparatus for adapting a propeller system including a propeller shaft (15, 16) and a propeller (7, 8) adapted to be mounted on the propeller shaft (15, 16). The propeller system includes a propeller (7, 8) connected in a rotationally fixe...
05/29/2007
7220157Arrangement and method for parallel alignment of propeller shafts and means for parallel alignment
An arrangement and method for parallel alignment of propeller shafts in a first and a second underwater housing arranged on the hull of a vessel, which underwater housings are arranged to rotate around an axis of rotation which is angled in relation to the propeller...
05/22/2007
7153101Pulling marine propeller
A pulling marine propeller (1) including multiple propeller blades (4) attached to a propeller hub (5). The propeller hub (5) is attachable to a propeller shaft (9) extending from a drive housing (10) located downstream of t...
12/26/2006
7127333Remote control system for a vehicle
Method and arrangement for providing a remote control system for a vehicle (1) including a primary heading sensor (14) fixedly attached to the vehicle (1). The primary heading sensor (14) is adapted to detect a reference heading (N). A re...
10/24/2006
7118434Outboard drive for boats
Outboard drive unit for boats, including an underwater housing (6), in which two propeller shafts (7, 8) are mounted and are driven via a first bevel gearing (19, 20, 21) enclosed in the underwater housing, and a second bevel gearing (13, 14,...
10/10/2006
7059167Method and arrangement for indirectly determining fill characteristics of a fluid tank on a marine vessel
Method and arrangement for accommodating indirect ascertainment of fill-characteristics of fluid tanks on marine vessels. The invention includes providing an experientially-based mapping of volume characteristics of a fluid tank positioned on a marine vessel that ar...
06/13/2006
7048510Propeller spinner for a marine propeller
A propeller spinner (5) for a marine propeller (1) having multiple propeller blades (2) attached to a propeller hub (3) that is adapted for attachment to a propeller shaft (4) and includes a sacrificial anodic material for protecti...
05/23/2006
7033234Method of steering a boat with double outboard drives and boat having double outboard drives
A method of steering a planning V-bottomed boat with double individually steerable outboard drive units with underwater housings (6), which extend down from the bottom (1) of the boat. When running at planning speed straight ahead, the underwater housi...
04/25/2006
6705907Drive means in a boat
Boat propeller drive with an underwater housing which is connected in a fixed manner to a boat hull and has tractor propellers arranged on that side of the housing facing ahead. In the rear edge of the underwater housing, a rudder blade is mounted for pivoting about...
03/16/2004
6638124Arrangement in a marine exhaust system
Method and arrangement for a marine combustion engine exhaust system. The arrangement includes at least two substantially upstanding exhaust pipe arms that are coupled together in common closed fluid communication with a stem exhaust pipe. A pressure equa...
10/28/2003
6623320Drive means in a boat
Boat propeller drive with an underwater housing which is connected in a fixed manner to a boat hull and has tractor propellers arranged on that side of the housing facing ahead. Arranged in that end portion of the underwater housing facing astern is an ex...
09/23/2003
6582259Boat propeller transmission
Boat propeller transmission with a horizontal input shaft, a bevel gear set, a vertical intermediate shaft, an additional bevel gear set, and at least one horizontal propeller shaft. Between the bevel gear sets, a two-speed planetary gear set is engaged, ...
06/24/2003
6579136Systems and methods for containing and delivering protective materials to raw water passageways within liquid-cooled marine engines
System and method for protecting a cooling system of a liquid-cooled engine using a protective material. This system enables a boat operator to flush the cooling system using salt, brackish or fresh water. In one embodiment, the system includes a reservoi...
06/17/2003
6554662Hydraulic system in a boat hull, preferably a boat hull having an outboard drive
An hydraulic installation in a boat hull for swinging a properller rig pivotably suspended in a shell on a boat transom using a piston-cylinder device arranged in a hydraulic control circuit. A control valve included in the hydraulic circuit for controlli...
04/29/2003
6533932Device for the continuous further transport of air
A device for the continuous further transport of air in a fuel system includes a container with an inlet orifice and an outlet orifice for the fuel. A tube provided in the container extends from the outlet orifice and opens into a collection space for air...
03/18/2003
6500037Servo steering mechanism for boats for example
Servo-assisted steering arrangement for an element pivotable about a steering axis, for example a propeller drive means suspended on a boat transom, said drive means driving a pair of hydraulic steering cylinders (20a, 20b) which connect the drive means t...
12/31/2002
6439937Boat propeller transmission
Boat propeller transmission with a horizontal input shaft, a bevel gear set, a vertical intermediate shaft, an additional bevel gear set, and at least one horizontal propeller shaft. Between the bevel gear sets, a two-speed planetary gear set is coupled, ...
08/27/2002
6371726Foldable propeller
A foldable propeller for a ship having a hub (2) for mounting on a drive shaft of the ship, and at least two skew-type blades (1), each of which is pivotably arranged in the hub (2) for configuration between a first, essentially folded together position a...
04/16/2002
6315623Drive means in a boat
Drive assembly in a boat includes a propeller shaft housing (5) which projects downwards on the underside of the bottom (4) of the boat and is connected to a drive unit (1), arranged on the inside of the boat, via members (9) which, in the event of a load...
11/13/2001
6273069Method for calibration the moment of fuel injection
A method for calibrating the injection time (଱) of a first fuel (6') in a diesel engine (2). The method comprises the steps of feeding adjustment fluid (6) under pressure to an injection adjuster (3) which comprises an adjuster plunger (4). The dies...
08/14/2001
6058864Ship hull and vessel with such a hull
A ship hull with bulb prow and with bottom which extends without sharp changes from the bulb to the square stern of the hull along continuously bent longitudinal lines and with hull sides which are inclined from the vertical plane from the waterline to th...
05/09/2000
6053502Seat for a sealing ring
A sealing ring seat disposed in a housing. The seat has an inner lateral surface, against which an external surface of an elastic outer ring of the sealing ring is intended to lie. The lateral surface of the seat has a peripheral groove with a sharp edge ...
04/25/2000
5947188Method and a device for permitting cooling of heat-sensitive components
A device (10) for cooling heat-sensitive components is disclosed. The device includes a housing (12) for receiving the components, and attachment means integral with the housing for attaching the device (10) to another component (24). The attachment means...
09/07/1999
5921826Angle gearing, especially for a marine outboard drive unit
Angle gearing, especially a lower angle gearing between an intermediate shaft (2) and one or two propeller shafts (6, 7) in a marine outboard drive unit. A conical bevel gear (3) is pre-tensioned on the intermediate shaft against a cone (10) on the interm...
07/13/1999
5785562Method for trimming of a boat propeller drive and drive unit with means for performing the method
Drive unit for boats comprising an internal combustion engine (16) and an outboard drive (1) driven by the engine. The engine has an engine control unit (13) which holds the speed of the engine constant independently of the load on the engine. A flowmeter...
07/28/1998
5755604Boat propeller drive unit
Boat propeller drive unit, comprising a frame-like carrier (1) intended to be fixedly joined to a boat transom, and a propeller rig (4) which is suspended in a fork (13) for trim and tilting movement relative to the fork about a horizontal axis (a). The f...
05/26/1998
5755605Propeller drive unit
A propeller drive installation in a boat has two propeller drive units (8, 9) which extend out through individual openings (4, 5) in the bottom (1) of a V-bottomed boat, so that the legs are inclined relative to each other. The leg of one drive unit can b...
05/26/1998
5735718Drive unit for boats
A drive unit for a boat having an engine with a flywheel surrounded by a flywheel casing, a propeller drive housing connected to, but electrically insulated from, the flywheel casing, and an input shaft for the propeller drive housing which is driven and ...
04/07/1998
5715728Transmission device, especially a reversing gear for boats
Reversing gears for boats, comprising an angle gear with two gears (4,5) which are rotatably mounted on a secondary shaft (8) and are alternately lockable to the shaft by means of a clutch sleeve (11). The clutch sleeve has exterior clutch cones (12,13), ...
02/10/1998
5709128Reversing gear for boats
Reversing gear for boats, comprising a displaceable engaging sleeve (10) with a V-shaped groove (22), into which there extends a gear selector in the form of a dog (21) on a pin (29) movable in the axial direction of the engaging sleeve. The pin is excent...
01/20/1998
5690521Transmission device, especially a reversing gear for boats
Reversing gears for boats, comprising an angle gearing with two gears (4,5) rotatably mounted on a secondary shaft (8) and alternately lockable to the shaft by means of a clutch sleeve (11). The clutch sleeve consists of aluminum and has exterior coupling...
11/25/1997
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