Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7356999 | System and method for stability control in a centrifugal compressor A stability control algorithm is provided for a centrifugal compressor. The stability control algorithm is used to control a variable geometry diffuser and a hot gas bypass valve (when provided) in response to the detection of compressor instabilities. The stability... | 04/15/2008 |
| 7351029 | Rotary vacuum blower An impeller, set in rotation by a motor, provided with blades and enclosed in a casing which defines a circumferential annular conduit in which the blades turn. The annular conduit exhibits two openings, respectively an induction mouth for aspirating fluid from outs... | 04/01/2008 |
| 7352147 | Power supply to provide operation power for cooling fans A power supply to provide operation power for cooling fans includes a non-stop power system to provide DC power in normal conditions to a remote switch control circuit to set a computer in an ON or OFF condition. The non-stop power system also outputs the DC power t... | 04/01/2008 |
| 7310959 | Method for actuating a fan using a plurality of characteristic curves and a control program for controlling the power of the fan The present invention relates to control of a fan during which the power of the fan is determined from the characteristic curves of the fan motor, the operating parameters of the cooling system and the reference variables which are predefined in the form of temperat... | 12/25/2007 |
| 7293954 | Centrifugal compressor for turbo chiller, turbo chiller, and control method therefor A turbo chiller that can accurately determine the existence of surging occurring in a centrifugal compressor is provided. In a centrifugal compressor of a turbo chiller, which includes an impeller for compressing refrigerant, a resistance temperature sensor for dete... | 11/13/2007 |
| 7278818 | Turbomachine for low temperature applications A turbomachine for low-temperature applications has a housing, a rotor shaft disposed in the housing, an impeller disposed on one shaft end of the rotor shaft, to which a cold gas is applied, and an electrical machine integrated into the housing. During operation of... | 10/09/2007 |
| 7273345 | Method for operating a turbo engine and turbo engine Means for driving a flow are arranged in cavities which are formed, in particular, in multishell casings of turbo engines. In one embodiment, within the cavity, ejectors are arranged which are supplied via suitable means with a propellant flow which, in turn, activa... | 09/25/2007 |
| 7220355 | Evaporative cooler pump strainer A strainer for a water pump includes a bottom panel and an upwardly extending side panel forming a cavity. The base of the water pump is received within the cavity and is removably secured to the filter. ... | 05/22/2007 |
| 7198454 | Variable stator vane arrangement for a compressor An axial flow compressor (16) comprises a plurality of variable stator vanes (32) circumferentially spaced apart and extending radially. Each variable stator vane (32) is rotatably mounted on a compressor casing (28). A control ring (3... | 04/03/2007 |
| 7139169 | System and method for information handling system cooling fan operating parameter selection An information handling system cooling fan operating curve is automatically selected for use by a cooling fan controller by detecting the configuration of the information handling system and looking up cooling fan operating parameters from a table associated with th... | 11/21/2006 |
| 7121785 | Retraction retainer system for biased turbine engine components A device, system, and method for securing a turbine engine seal in a retracted position enabling maintenance, assembly and disassembly of the turbine engine. The system can include a retainer arranged to retain the seal in a retracted position and constructed to fai... | 10/17/2006 |
| 7114913 | Lubricant-cooled gas compressor In a lubricant-cooled gas compressor (10) the temperature of separated lubricant returned to the air-side (11) is monitored by a thermostatically controlled restrictor valve (22) which minimises the flow of returned lubricant when temperature is... | 10/03/2006 |
| 7108477 | Warning before pump limit or in case of blade failure on a turbomachine In a method for determination of a surge limit warning (W) for a turbocompressor, or a warning of blade damage, at least two measurement signals (p1, p2; {tilde over (p)}1, {tilde over (p)}2), are determined, a periodicity... | 09/19/2006 |
| 7077622 | Emergency cooling system for a thermally loaded component In an emergency cooling system (17) for a component (1) which is subject to thermal load in operation, in, e.g., a turbine, the component (1) has a wall (3) which, in operation, is acted on by heat on a first wall side (14) and is ... | 07/18/2006 |
| 7051534 | Gas turbine arrangement having an integrated filter housing and compressor bleed duct Arrangement at a gas turbine installation for the generating of electricity, where inlet air filter housing, bleed air outlet and inlet for the vent air to the turbine housing are integrated into two units, an upper filter housing and a lower intermediate housing co... | 05/30/2006 |
| 7037065 | Flange bolt for turbines An arrangement for cooling or heating of a flange bolt for turbines comprises one or more boreholes, that extend through the bolt, and inlet and outlet pipes that are connected to each end of the borehole. A cooling or heating medium such as air, steam or any other ... | 05/02/2006 |
| 7025562 | Device for cooling turbine disks A turbine disk cooling device fed with cooling air from an orifice through an annular support platform for a fixed vane of a low-pressure turbine is disposed between an upstream flange and a downstream flange of the support platform. The device includes upstream and... | 04/11/2006 |
| 7014192 | Multistage shaft sealing apparatus A plurality of seal units are provided between a seal housing and a rotating shaft. An inside seal unit, an outside seal unit, and at least one pair of intermediate seal units are aligned in an axial direction. The inside seal unit contacts fluid to be sealed. The o... | 03/21/2006 |
| 7014417 | Auto suction hybrid pump A hybrid pump (1) with a housing (2) comprising at least one suction port (10) and at least one pressure port (11). A rotor (5) is eccentrically arranged in the housing chamber (3) which is substantially enclosed in a circul... | 03/21/2006 |
| 7008184 | Control for cooling fan A control for changing direction of air flow through a cooling core in response to an external signal and a purge signal includes a logic circuit and a relay assembly. The logic circuit generates a fan control signal based on the external signal, which causes the fa... | 03/07/2006 |
| 6959929 | Seal for a compressor and centrifugal compressor equipped with such a seal A seal for a rotary compressor comprises a casing, at least one assembly having a rotating seal face ring which rotates as one with a sleeve intended to be mounted on a shaft of the compressor and of a stationary seal face ring mounted on the casing, the seal face r... | 11/01/2005 |
| 6939100 | Method and apparatus for controlling steam turbine inlet flow to limit shell and rotor thermal stress In a method of controlling steam flow through a steam turbine having a turbine rotor, a maximum heat transfer rate is determined based on thermal stress calculations in the turbine rotor. A maximum steam flow rate can be calculated based on the maximum heat transfer... | 09/06/2005 |
| 6715985 | Gas conditioning system A system of conditioning elements is described for supply of conditioned seal gas to the seal chamber of a rotary machine employing gas lubricated, non-contacting seals. It includes elements to remove particulate solid and liquid and volatile components from the gas... | 04/06/2004 |
| 6679676 | Temperature control with constant cooling flow and temperature for vacuum generating device The invention concerns a vacuum generating device wherein the vacuum pump body (1) comprises cavities forming regulating chambers (12), closed at their ends by closure means such as sealing plugs (26, 27), and run through by an exchange pipe (14) wherein ... | 01/20/2004 |
| 6543992 | Control arrangement A control arrangement (34) for controlling the size of a gap (30) between first and second components. The control arrangement comprises first magnet means (38) to be provided on the first component, and second magnet means to be provided on the second co... | 04/08/2003 |
| 6537019 | Fan assembly and method A fan assembly includes a first fan and a second fan. The first fan has a first housing and a first blade assembly. The first blade assembly includes a plurality of blades attached to a hub, and is configured to rotate about a first axis of rotation in a ... | 03/25/2003 |
| 6503048 | Method and apparatus for estimating flow in compressors with sidestreams Accurate and effective antisurge control for turbocompressor stages is augmented by measuring the flow rate of fluid entering or leaving the stage of compression. On the other hand, turbocompressors with sidestreams, such as ethylene, propylene, and propa... | 01/07/2003 |
| 6485255 | Cooling air flow control device for a gas turbine engine A cooling air flow control device for a gas turbine engine, the cooling air flow control device comprising a component, a cooling passage defined within the component and a shaped memory metal valve, the shaped memory metal valve disposed in the cooling p... | 11/26/2002 |
| 6416279 | Cooled gas turbine component with adjustable cooling At least one adjustable restricting point is introduced into the cooling air path of a coolable gas turbine component, and means which make it possible to change this restricting point during the operation of the machine are provided. In this way it is po... | 07/09/2002 |
| 6314735 | Control of exhaust temperature in lean burn engines A method (100) and system for actively controlling the temperature of engine (10) exhaust gas entering an aftertreatment device and thereby controlling undesirable emissions. Through control of the turbine blade position of a variable geometry turbocharge... | 11/13/2001 |
| 6273671 | Blade clearance control for turbomachinery A system includes a gas turbine engine having a shroud and a rotor with one or more blades. The rotor rotates within the shroud to pressurize a fluid during operation of the engine. An electromagnetic actuator is also included that is operable to move the... | 08/14/2001 |
| 6220814 | Turbine interstage sealing arrangement A gas turbine sealing arrangement which includes a seal housing having at least one seal in close proximity to the turbine rotor. The seal housing is preheated prior to turbine start-up to thermally move the seal housing and its seal radially away from th... | 04/24/2001 |
| 6155038 | Method and apparatus for use in control and compensation of clearances in a gas turbine A method and an apparatus for use with a gas turbine engine receive a signal indicative of an engine operating condition, generate signals representative of thermal conditions of a rotor, blades, and a case, and in response to each of the signals above, d... | 12/05/2000 |
| 6146090 | Cooling/heating augmentation during turbine startup/shutdown using a seal positioned by thermal response of turbine parts and consequent relative movement thereof In a turbine rotor, a thermal mismatch between various component parts of the rotor occurs particularly during transient operations such as shutdown and startup. A thermal medium flows past and heats or cools one part of the turbine which may have a delet... | 11/14/2000 |
| 6065930 | Cooling control apparatus A cooling control apparatus controls a plurality of cooling members. The apparatus has a monitor which monitors states of predetermined combinations of the cooling members and a controller which controls the cooling members based on the states monitored b... | 05/23/2000 |
| 6036432 | Method and apparatus for protecting centrifugal compressors from rotating stall vibrations A fluid passage extends through the compressor casing from a point near the tip of the impeller to a transducer located externally of the compressor casing. Responsive to fluctuations of pressure sensed by the transducer indicative of rotating stall, the ... | 03/14/2000 |
| 6015263 | Fluid moving device and associated method A fluid moving device (100) includes a rotatable assembly (101), and a plurality of fan blades (102-04) disposed circumferentially around and extending outward from rotatable assembly (101), at least one of plurality of fan blades (102-04) includes shape ... | 01/18/2000 |
| 6010303 | Apparatus and method of predicting aerodynamic and aeromechanical instabilities in turbofan engines A system and method is provided for generating a real-time signal indicative of an energy-type instability precursor in a turbofan engine. A sensor is positioned in a compressor portion of a turbofan engine for generating a real-time signal indicative of ... | 01/04/2000 |
| 5984626 | Evacuation means for pumps The present invention is for an evacuation system which preferrably in its entirety is connected to and operates at the outlet side of a pump. The evacuation system is connected to the socket 5 by the connector 9 and one of the valves 15 or 16. In the eva... | 11/16/1999 |
| 5984625 | Actuator bandwidth and rate limit reduction for control of compressor rotating stall A compressor is disclosed having a characteristic modifier, such as air injection, adapted to modify an operating characteristic of the compressor in order to reduce the bandwidth and rate limit requirements of the compressor. The compressor includes an a... | 11/16/1999 |
