| Patent application number | Description | Published |
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| 20080286116 | Cooling arrangement - An aerofoil for a gas turbine engine comprising a pressure wall and a suction wall and defining leading and trailing edges, the walls define a passage into which is supplied a cooling fluid, an array of cooling holes is provided through at least one of the walls to allow the cooling fluid to flow from an interior surface to an exterior surface. The array of holes comprise two groups, the holes of each group are angled to intersect the holes of the other group and are characterised in that the holes of at least one of the groups comprises two or more holes at different angles to one another to vary the porosity of the wall to account for otherwise varying wall temperatures. This arrangement also allows either less coolant mass flow to maintain a constant metal temperature, or a lower metal temperature for a given coolant mass flow. | 11-20-2008 |
| 20100172762 | Aerofoil - An aerofoil ( | 07-08-2010 |
| 20120027576 | TURBINE STAGE SHROUD SEGMENT - A shroud segment for a turbine stage of a gas turbine engine forms an endwall for the working gas annulus of the stage. The segment also provides a close clearance to the tips of a row of turbine blades which sweep across the segment. In use a leakage flow of the working gas passes through the clearance gap between the blade tips and the segment. The segment has a plurality of cooling holes and respective air feed passages for the cooling holes. The cooling holes are distributed over that part of the gas-washed surface of the segment which is swept by the blade tips. The cooling holes deliver, in use, cooling air which spreads over the gas-washed surface. The feed passages are configured such that the delivered air opposes the leakage flow of the working gas. | 02-02-2012 |
| 20120057961 | TURBINE STAGE SHROUD SEGMENT - A shroud segment for a turbine stage of a gas turbine engine forms an endwall for the working gas annulus of the stage. The segment also provides a close clearance to the tips of a row of turbine blades which sweep across the segment. In use, a mainstream flow of the working gas passes through the passages formed between adjacent turbine blades. The segment has a plurality of cooling holes and respective air feed passages for the cooling holes. The cooling holes are distributed over that part of the gas-washed surface of the segment which is swept by the blade tips. The cooling holes deliver, in use, cooling air which spreads over the gas-washed surface. The feed passages are configured such that the delivered air has swirl directions which are co-directionally aligned with the swirl directions of the mainstream flow at the segment. | 03-08-2012 |
| 20120219401 | ENDWALL COMPONENT FOR A TURBINE STAGE OF A GAS TURBINE ENGINE - A component of a turbine stage of a gas turbine engine is provided, the component forming an endwall for the working gas annulus of the stage. The component has one or more internal plena behind the endwall which, in use, contain a flow of cooling air. The component further has a plurality of exhaust holes in the endwall. The holes connect the plena to a gas-washed surface of the endwall such that the cooling air effuses through the holes to form a cooling film over the gas-washed surface. Each exhaust hole has a flow cross-sectional area which is greater at an intermediate position between the entrance of the hole from the respective plenum and the exit of the hole to the gas-washed surface than it is at said exit. | 08-30-2012 |
| 20120251295 | GAS TURBINE ENGINE COMPONENT - A component of a gas turbine engine is provided. The component includes an external wall which, in use, is exposed on one surface thereof to working gas flowing through the engine. The component further includes effusion cooling holes formed in the external wall. In use, cooling air blows through the cooling holes to form a cooling film on the surface of the external wall exposed to the working gas. The component further includes an air inlet arrangement which receives the cooling air for distribution to the cooling holes. The component further includes a plurality of metering feeds and a plurality of supply plena. The metering feeds meter the cooling air from the air inlet arrangement to respective of the supply plena, which in turn supply the metered cooling air to respective portions of the cooling holes. | 10-04-2012 |
| Patent application number | Description | Published |
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| 20090126802 | Fuel Staging System - A fuel staging system comprises a splitter valve arranged to split an input fuel stream into a pilot fuel stream and a main fuel stream, the splitter valve comprising a spool slidable within a bore, the spool and bore together defining first and second control chambers, the fluid pressures in which determine the position occupied by the spool, the system further comprising a control line which, in use, controls fuel delivery through a plurality of main burners, the fluid pressure in the control line being a combination of the fluid pressures in the first and second control chambers. | 05-21-2009 |
| 20090320777 | Control System - A control system is described that comprises a manifold, at least one valve device operable to control the delivery of fluid from the manifold, and a drive member located within the manifold and rotatable to control the operation of the at least one valve device. | 12-31-2009 |
| 20100252758 | Staging Valve Arrangement and Valve for Use Therein - A staging valve arrangement is described that comprises an arrangement of electrically driven staging valves that are located, in use, in the high temperature core zone of an engine. Each staging valve may comprise a housing having an inlet, a pilot flow outlet and a mains flow outlet, a valve member movable between a closed position in which the mains flow outlet is closed and an open position in which the mains flow outlet is open, a motor operable to drive the valve member for movement, and a cooling arrangement. | 10-07-2010 |
| Patent application number | Description | Published |
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| 20120151843 | Vehicle Door Secondary Sealing System - A seal for use with a vehicle door is provided, the seal preferably used as a secondary or tertiary seal to provide additional passenger cabin sound isolation and weather proofing. The seal is attached to a seam within the door jamb, the seal formed by coupling a central body panel flange to a rear quarter panel flange. | 06-21-2012 |
| 20120153675 | Reinforced B-Pillar Assembly with Reinforced Rocker Joint - A reinforced B-pillar assembly that achieves improved side impact resistance is provided in which the B-pillar assembly is mechanically coupled to an outer mounting surface of the rocker panel as well as to an extended brace that is attached to the upper and rear mounting surfaces of the rocker. | 06-21-2012 |
| 20120153682 | Single Piece Vehicle Rocker Panel - A vehicle rocker panel is provided that is extruded as a single piece. As extruded, the rocker panel may include one or more interior reinforcing walls as well as interior and exterior design features. | 06-21-2012 |
| 20120153718 | Thermal Management System for Use with an Integrated Motor Assembly - An integrated drive system assembly is provided that combines an electric motor, a power inverter assembly and a gearbox into a single, multi-piece enclosure. Combining these components into a single enclosure reduces weight, reduces drive system complexity, reduces system volume, simplifies assembly integration into an electric vehicle, reduces manufacturing cost, allows the flexible and lengthy electrical cables between the power inverter and the electric motor to be replaced with short, low loss, rigid bus bars, and simplifies component cooling by allowing the use of a common thermal management system. The common thermal management system includes a liquid coolant loop that is thermally coupled to the electric motor, the power inverter assembly and the gearbox. | 06-21-2012 |
| 20120160088 | Vehicle Battery Pack Ballistic Shield - An improved protection system for a battery pack mounted between the passenger cabin floor panel of an electric vehicle and the driving surface is provided, the system utilizing a ballistic shield mounted under the electric vehicle and interposed between the battery pack enclosure and the driving surface, where the ballistic shield is spaced apart from the enclosure bottom panel. A layer of a compressible material may be interposed between the ballistic shield and the battery pack enclosure. | 06-28-2012 |
| 20120160583 | Integration System for a Vehicle Battery Pack - An improved integration system for a battery pack mounted between the passenger cabin floor panel of an electric vehicle and the driving surface is provided, the system utilizing at least one insulating layer interposed between the battery pack enclosure and the passenger cabin floor panel, where the insulating layer provides noise isolation, thermal isolation and vibration damping, and where the insulating layer is compressed when the battery pack enclosure is mounted to the vehicle. | 06-28-2012 |
| 20120161429 | Augmented Vehicle Seat Mount - A vehicle seat mounting assembly is provided in which the seat mounts are attached to body cross-members that are, in turn, mechanically coupled to battery pack cross-members contained within a battery pack enclosure mounted under the vehicle. | 06-28-2012 |
| 20120161472 | System for Absorbing and Distributing Side Impact Energy Utilizing an Integrated Battery Pack - An energy absorbing and distributing side impact system for use with a vehicle is provided, the system utilizing a battery pack enclosure that includes a plurality of cross-members that transverse the battery pack enclosure and absorb and distribute at least a portion of the load received when either the first or second side of the vehicle receives a side impact. The battery pack enclosure is positioned between the front and rear vehicle suspension assemblies and mounted between, and mechanically coupled to, vehicle structural members (e.g., rocker panels) located on either side of the vehicle. In addition to providing rigidity, strength and impact resistance, the battery pack cross-members segregate the batteries contained within the battery pack enclosure into battery groups. | 06-28-2012 |
| 20120169089 | Rear Vehicle Torque Box - A rear structure for a vehicle is provided, the structure including (i) a pair of single piece rear torque boxes; (ii) a pair of rocker panels mechanically coupled to the rear torque boxes; (iii) a pair of rear rails mechanically coupled to the rear torque boxes; and (iv) at least one cross-member interposed between and mechanically coupled to the rear torque boxes. | 07-05-2012 |
| 20120175897 | Front Rail Configuration for the Front Structure of a Vehicle - A front structure for a vehicle is provided that includes a pair of front rails (i.e., front left hand rail and front right hand rail) spaced apart in a widthwise direction with each rail extending lengthwise and mechanically coupled to the vehicle's bumper and a torque box. Each front rail is comprised of a polygonal-shaped upper hollow channel and a polygonal-shaped lower hollow channel, where the upper and lower channels share a common wall. | 07-12-2012 |
| 20120175900 | Dual Load Path Design for a Vehicle - A system for absorbing and distributing front impact forces in a vehicle is provided, the system including a primary impact system and a secondary impact system, each of which includes a bumper and a structure for transferring impact loads. The primary impact system includes a primary bumper and a pair of front rails spaced apart in a widthwise direction with each rail extending lengthwise, where one end portion of each rail is mechanically coupled to the vehicle's bumper and the other end portion of each rail is mechanically coupled to a torque box. The secondary impact system includes a secondary bumper and an assembly of sub-frame components separate from the front rails that allow impact loads to be transferred in parallel through the front rails and the sub-frame. | 07-12-2012 |
| 20120175916 | Swept Front Torque Box - A front structure for a vehicle is provided, the structure including (i) a pair of front rails spaced apart in a widthwise direction with each rail extending lengthwise, and where each rail is comprised of a polygonal-shaped upper hollow channel and a polygonal-shaped lower hollow channel with the upper and lower channels sharing a common wall; and (ii) a pair of curvilinear torque boxes, where one curvilinear torque box is mechanically attached to the upper and lower polygonal-shaped channels of each front rail, where each curvilinear torque box is mechanically coupled to a rocker panel, where the upper polygonal-shaped channel of each front rail is in a horizontal plane located above the top surface of the corresponding rocker panel, and where the lower polygonal-shaped channel of each front rail is in a horizontal plane that is aligned with the corresponding rocker panel. | 07-12-2012 |
| 20120312615 | Vehicle Battery Pack Ballistic Shield - An improved protection system for a battery pack mounted between the passenger cabin floor panel of an electric vehicle and the driving surface is provided, the system utilizing a ballistic shield mounted under the electric vehicle and interposed between the battery pack enclosure and the driving surface, where the ballistic shield is spaced apart from the enclosure bottom panel. A layer of a compressible material is interposed between the ballistic shield and the battery pack enclosure. | 12-13-2012 |
