Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 8181746 | Continuous supply fluid reservoir An assembly for holding a fluid includes an auxiliary reservoir inside a main reservoir. The auxiliary reservoir includes an auxiliary reservoir shell with a fill passage at or near its bottom. The auxiliary reservoir shell also has a vent passage at or near its top... | 05/22/2012 |
| 8167091 | Oil scavenge system having churning damper for gas turbine engines An oil scavenge system of a gas turbine engine in accordance with one embodiment of the present invention, comprises a housing defined about an axis of rotation, the housing confining an air/oil mixture in motion within the housing and defining an oil scavenge area ... | 05/01/2012 |
| 8146711 | Reduced gulp fluid reservoir An assembly includes a reservoir for holding a fluid, and a scavenge passage connected to the reservoir at a reservoir inlet. The scavenge passage returns the fluid from a delivery location to the reservoir. A bleed passage is connected in fluid communication betwee... | 04/03/2012 |
| 8109365 | Engine supercharger lubricating apparatus An engine supercharger lubricating apparatus is provided with an oil passage, a pump and an air introducing passage. The oil passage is configured and arranged to supply a lubricating oil to a supercharger of an engine and to return the lubricating oil from the supe... | 02/07/2012 |
| 8083030 | Gearbox lubrication supply system for a tip engine An oil system (118) for a tip turbine engine (10) includes an annular lubricating fluid plenum (136) which sprays lubricating fluid through a multitude of lubricating fluid passages (144, 146, 148) and into the multitude of passages (1... | 12/27/2011 |
| 8051952 | Deoiling device and turbomachine comprising this device The invention relates to a deoiling device. It comprises a tube (46), a first bearing (16) and a second bearing (18), the first and second bearings being placed in an oil chamber (20) in which an oil fog is maintained by rotation of the b... | 11/08/2011 |
| 8020664 | Isolation valve for the oil circuit of an airplane engine The present invention relates to a turbomachine comprising an air compressor (3) and a lubrication circuit with an oil tank (1), said oil tank (1) being possibly isolated from the rest of the lubrication circuit (4,4A; 6,6A) by mea... | 09/20/2011 |
| 7931124 | On-demand lubrication system and method for improved flow management and containment A method of oil flow management for a gas turbine engine includes moving oil from a tank to a compartment using a pressure pump, moving oil from the compartment to the tank using a scavenge pump, and at least temporarily increasing a rate at which oil is moved with ... | 04/26/2011 |
| 7913815 | Automated seal oil by-pass system for hydrogen cooled generators Disclosed is a solution to automate a seal oil float trap by-pass for a hydrogen cooled generator. An automated by-pass system is coupled to an existing manual by-pass system for a float trap for a hydrogen cooled generator. The automated by-pass system includes at ... | 03/29/2011 |
| 7905325 | Relating to lubrication system for aircraft engines A pumped oil delivery system for delivering oil to moving parts of an aircraft jet engine includes a scoop delivery pump and an accumulator oil reservoir to maintain oil feed to the pump at all times. The system includes a first line to feed oil from the scoop pump ... | 03/15/2011 |
| 7886875 | Systems and methods for monitoring gas turbine engines Systems and methods for monitoring gas turbine engines are provided. In this regard, a representative method includes: monitoring lubrication oil at multiple locations of the gas turbine engine to detect a presence of debris in the oil; determining a characteristic ... | 02/15/2011 |
| 7878303 | Lubrication scavenge system A method and apparatus for scavenging lubricant is disclosed herein. In the invention, a rotating structure is encircled within a sump housing and subjected to lubrication. The sump housing collects high-momentum lubricant flow and low-momentum lubricant flow. The i... | 02/01/2011 |
| 7878302 | Lubrication arrangement for a bearing A lubricant arrangement is provided for multiple feed pipes to bearings lubrication system. In order to ensure a feed pipe remains substantially full of lubricant fluid, a drainage restrictor configuration is provided. This configuration typically comprises an anti ... | 02/01/2011 |
| 7753172 | Lubricant sump with metal foam diffuser A lubrication scavenge system is disclosed herein. The lubrication scavenge system includes a structure disposed for high-speed rotation about an axis. The lubrication scavenge system also includes a sump housing with an inwardly-facing surface substantially encircl... | 07/13/2010 |
| 7430850 | Bifurcated oil scavenging bearing compartment within a gas turbine engine An oil scavenge system includes a tangential scavenge scoop and a settling area adjacent thereto which separately communicate with a duct which feeds oil into an oil flow path and back to an oil sump. A shield is mounted over the settling area to at least partially ... | 10/07/2008 |
| 7426834 | “Get home” oil supply and scavenge system A method facilitates assembling a gas turbine engine that includes an oil supply and scavenge system, wherein the oil supply and scavenge system includes at least one sump cavity that includes a first scavenge port and a second scavenge port, a first oil pump and a ... | 09/23/2008 |
| 7387189 | Emergency lubrication system An emergency lubrication system for a turbine engine includes a reservoir 50 containing a reserve quantity of lubricant 52 and having a lubricant inlet 54 and a lubricant outlet 56. A lubricant supply line 62 and a lubricant outlet... | 06/17/2008 |
| 7377098 | Gas turbine engine frame with an integral fluid reservoir and air/fluid heat exchanger Disclosed is a structural frame for a gas turbine engine comprising an integral fluid reservoir and air/fluid heat exchanger. A central hub includes a reservoir for storing a fluid and an outer rim circumscribes the hub. A heat exchanger is fluidly coupled to the re... | 05/27/2008 |
| 7373780 | Method of scavenging oil within a gas turbine engine An oil scavenge system includes a tangential scavenge scoop and a settling area adjacent thereto which separately communicate with a duct which feeds oil into an oil flow path and back to an oil sump. A shield is mounted over the settling area to at least partially ... | 05/20/2008 |
| 7373771 | Cooling arrangement for an accessory gearbox and method of cooling The accessory gearbox (AGB) has at least one coolant passage between the AGB and the accessory for externally cooling the accessory without coolant flow inside the accessory. ... | 05/20/2008 |
| 7367427 | Accessory lubrication system for a turbine plant A lubrication system for supplying lubricants between two environments is provided. The first environment is disposed within a first housing and the second environment is disposed within a second housing having a supply opening and an exhaust opening. The system inc... | 05/06/2008 |
| 7360361 | Turbocharger An electrically controlled turbocharger having a substantially vertically oriented shaft interconnecting a turbine and a compressor. The vertical orientation serves to eliminate the effects of gravity on the rotating components. Placing the turbine vertically above ... | 04/22/2008 |
| 7299792 | Centrifugal compressor with improved lubrication system for gear-type transmission A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input ... | 11/27/2007 |
| 7287384 | Bearing chamber pressurization system A method and device for improved pressure balancing in a bearing chamber pressurization system for gas turbine engines employ a partition member to substantially separate first and second air-oil seals of the bearing housing. ... | 10/30/2007 |
| 7287368 | Fluid system In a fluid system for a gas turbine engine, oil is supplied from an oil tank (10) by a constant displacement pump (12) to lubricate engine components (18). The oil is supplied to the components (18) via a heat exchanger (16) in whi... | 10/30/2007 |
| 7278516 | Apparatus and method for bearing lubrication in turbine engines A lubrication system includes an inlet conduit having an inboard end attached to a bearing support and an outboard end for receiving lubricant. A lubricant inlet assembly is attached to the inlet conduit outboard end and has an inlet cap with a receptacle, an inlet ... | 10/09/2007 |
| 7225626 | Thermal management of a gas turbine bearing compartment utilizing separate lubrication and cooling circuits A multiple path fluid circuit comprising a fluid reservoir and a fluid pump having an inlet in fluid communication with the fluid reservoir. The fluid pump may have an outlet in fluid communication with an inlet of a fluid cooling circuit. The fluid cooling circuit ... | 06/05/2007 |
| 7216473 | Turbojet engine lubrication system A lubrication system for an expendable gas turbine engine (20) having a rotatable shaft (26) is provided. Bearings (28) journal the shaft (26) for rotation about an axis. The system includes a vessel (46) for containing lubricating... | 05/15/2007 |
| 7178806 | Cinchpac self-loading rotary shaft seal A seal for a conveyor drive which has an elastomer which is compressed between a cap ring and a housing. ... | 02/20/2007 |
| 7174997 | Failure tolerant passive lubrication system An auxiliary lubrication system for an aircraft turbine engine includes a reservoir 32 of lubricant 50 and a venturi 42 to suction lubricant out of the reservoir and direct an lubricant mist at a bearing 24 or other component requiring lu... | 02/13/2007 |
| 7175771 | Multi-stage centrifugal debris trap A centrifugal debris trap includes a cylindrical chamber bound by an inner surface of a continuous wall radially disposed about a center axis at a first inner diameter, and having a first wall end and a second wall end; and a plurality of grooves between the first a... | 02/13/2007 |
| 7163086 | Lubrication system A lubrication system comprises a reservoir for lubricant, lubricant delivery means to deliver lubricant to at least one component to be lubricated, an injector associated with each component, a control system to control the opening and closing of each injector and s... | 01/16/2007 |
| 7134282 | Turbo system and method of installing A turbocharger system for a combustion engine and method of installing a turbocharger system includes a turbocharger having an oil inlet and an oil outlet configured for being coupled to an oiling system. An oil pump is connected to the oil outlet of the turbocharge... | 11/14/2006 |
| 7093418 | Gas turbine engine including a low pressure sump seal buffer source and thermally isolated sump A gas turbine engine is configured to use relatively cool, low pressure air discharged from a low pressure compressor to supply buffer air to lubrication sump seals. The engine is further configured such that the lubrication sump is thermally layered by isolating re... | 08/22/2006 |
| 7086842 | Turbocharger A turbocharger having a turbine wheel mounted to a seal boss at one end of a shaft and a compressor wheel mounted to the other end of the shaft. The seal boss includes an annular face angled relative to a radial plane extending through the shaft so that as the shaft... | 08/08/2006 |
| 7065954 | Turbine, particularly useful for small aircraft A turbine includes a combustion chamber with deflectors generating vortices in a secondary gas flow into the combustion chamber, thereby confining the flame front from penetrating into the cold region of the chamber under variable operating conditions, simplifying c... | 06/27/2006 |
| 7063734 | Air/oil separation system and method A centrifugal air/oil separation system communicates with bearing cavities of the engine and substantially isolates separated oil from contacting the gearbox. ... | 06/20/2006 |
| 7055303 | Gas turbine engine architecture A gas turbine engine having an oil cavity architecture and bearing placement which reduce heat rejection and oil system complexity by enclosing the reduction gearbox bearings and at least the shaft bearings supporting the high pressure shaft in the same oil cavity. | 06/06/2006 |
| 6962594 | Reinforcement implants for tissue sutures The invention concerns a reinforcing implant for tissue sutures used for mechanically reinforcing stitched tissue zones, and consisting of a textile lap based on polyuronic acid or one of its salts ... | 11/08/2005 |
| 6915634 | Supercharger arrangements for engine assemblies A supercharger arrangement for an engine assembly 10 is disclosed, the arrangement including first and second superchargers 22A, 22B that are mounted on the engine assembly by means of separate first and second mounting members 46, 48 res... | 07/12/2005 |
