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 |
| 8079808 | Geared inlet guide vane for a centrifugal compressor A compressor assembly has a fluid inlet positioned to facilitate the passage of a fluid. The compressor assembly includes a compressor housing defining a compressor inlet and an impeller rotatably supported at least partially within the compressor housing. The impel... | 12/20/2011 |
| 7413399 | Method and apparatus for distributing fluid into a turbomachine An apparatus for distributing a fluid in a gas flow path inside a turbomachine, comprising: a device for introducing the fluid into the gas flow path; and wherein the device is positioned within the gas flow path. A method for installing an apparatus that will distr... | 08/19/2008 |
| 7278472 | Internally mounted radial flow intercooler for a combustion air changer An improved combustion air charger, such as a turbocharger or a supercharger, includes a housing (10) having a rotary shaft (18) journalled therein. At least one compressor wheel (20,22) is located on the shaft (18). The housing (10 | 10/09/2007 |
| 7254950 | Methods and apparatus for operating gas turbine engines A method for operating a gas turbine engine, including a first compressor, a second compressor, a combustor and a turbine, coupled together in serial flow arrangement, and an intercooler coupled between the first compressor and the second compressor, the intercooler... | 08/14/2007 |
| 7191769 | Internal combustion engine having two-stage exhaust-driven supercharger and charge air cooling between low pressure and high pressure compressors An internal combustion engine with a 2-stage charge loading includes a connection conduit with a supercharger intercooler provided between the compressors of the low pressure stage and high pressure stage. The supercharger intercooler is configured via a cooling uni... | 03/20/2007 |
| 6966745 | Method for intermediate cooling and gas turbine system with intermediate cooling In a method and a device for intermediate cooling during compression in a gas turbine system, the gas turbine system includes at least one first (1) and one second compressor (2), a combustion chamber (3), and a turbine (4). At least one ... | 11/22/2005 |
| 6948909 | Formed disk plate heat exchanger A compact rotary compressor unit within internal intercooling includes a rotary shaft (10) with at least one compressor wheel (14,16) mounted thereon for rotation therewith. The compressor wheel (14,16) has an inlet end (18) of relatively... | 09/27/2005 |
| 6935831 | Methods and apparatus for operating gas turbine engines A method for operating a gas turbine engine including a first compressor, a second compressor, a combustor and a turbine, coupled together in serial flow arrangement. The method includes channeling compressed airflow discharged from the first compressor to a heat ex... | 08/30/2005 |
| 6929056 | Tank manifold for internally mounted radial flow intercooler for a combustion air charger A rotary compressor machine, such as a combustion air charger, includes a rotatable shaft (18) having at least one compressor wheel (20,22) thereon and disposed within a housing (12,14). A donut-shaped heat exchanger (36) is located withi... | 08/16/2005 |
| 6764279 | Internally mounted radial flow intercooler for a rotary compressor machine Improved efficiency is obtained in a rotary machine having a rotary shaft (18) mounting a compressor wheel (20) that discharges into a heat exchanger (36) having a core (82) with a central opening (42) in surrounding relation to th... | 07/20/2004 |
| 6692224 | Turbo compressor A turbo compressor, comprising two (2) pieces of rotation shafts, being disposed in parallel with each other, wherein impellers are attached on both ends of one of the rotation shafts, thereby to build up a first-stage compressor and a second-stage compre... | 02/17/2004 |
| 6287085 | Rapid unloader retrofits Retrofit apparatus is provided for rapidly exhausting air pressure from one or more intercoolers connected in fluid communication between two low pressure heads of an air compressor and a high pressure head of the compressor. The retrofit apparatus compri... | 09/11/2001 |
| 6174131 | Compressor for gases containing hydrogen sulfide A process gas compressor for the stepwise compression of process gases with increased percentage of hydrogen sulfide (H2 S), with an H2 S-uncritical area and an H2 S-critical area, in the housing (5) of which impellers (3)... | 01/16/2001 |
| 6106229 | Heat exchanger system for a gas turbine engine A compact heat exchanger system 52 for a duct 32 of a gas turbine engine 10 is disclosed, the heat exchanger system being disposed between two locations having an adverse pressure gradient. Various construction details which reduce the impact of the syste... | 08/22/2000 |
| 5937633 | High-pressure intercooled gas turbine The present invention includes an intercooled cycle gas turbine. The intercooled cycle gas turbine is supercharged to improve performance. Pereformance is defined in terms of thermal efficiency and mass specific power, the turbine defining a cycle with a ... | 08/17/1999 |
| 5758485 | Method of operating gas turbine power plant with intercooler In a method of operating a combined-cycle plant which is based on a gas-turbine group, the compressor unit of this same gas-turbine group is equipped with an intercooler (9). By detecting parameters which comprise at least the ambient temperature (T), the... | 06/02/1998 |
| 5722241 | Integrally intercooled axial compressor and its application to power plants An integrally intercooled axial compressor where the axial compressor passes cooling water through one or more stator assemblies and/or an internal air-to-water heat exchanger located in the gas flow path of the compressor to reduce the temperature of the... | 03/03/1998 |
| 5651661 | Multi-stage rotary fluid handling apparatus Rotary fluid handling apparatus employing a wheel to provide multi-stage compression or expansion. A wheel having a first set of vanes includes a shroud about those vanes with a second set of vanes outwardly of the shroud. One set of vanes provides for lo... | 07/29/1997 |
| 5626018 | Gas turbine engine A gas turbine engine with first and second axial flow compressors and an intercooler therebetween is provided with a diffuser to diffuse the air flow leaving the downstream end of the first axial flow compressor at a first radial distance from the axis to... | 05/06/1997 |
| 5611663 | Geared multishaft turbocompressor and geared multishaft radial expander A geared multishaft turbocompressor with impellers arranged in series in terms of flow, which are fastened to two or more pinion shafts, which are arranged in parallel to one another and are driven directly via a central gear or indirectly via pinion shaf... | 03/18/1997 |
| 5553448 | Intercooled gas turbine engine A gas turbine engine having improved output horsepower and a method of achieving it. The engine has, in order, a low pressure compressor, a high pressure compressor, a combustor, a high pressure turbine and a low pressure turbine. The high pressure turbin... | 09/10/1996 |
| 5545006 | Multi-stage rotary fluid handling apparatus Rotary fluid handling apparatus employing a wheel to provide multi-stage compression or expansion. A wheel having a first set of vanes includes a shroud about those vanes with a second set of vanes outwardly of the shroud. One set of vanes provides for lo... | 08/13/1996 |
| 5468123 | System for ventilating the turbine disks and stator of a turbo jet engine The system makes it possible to reduce the clearances existing between the rotor and stator of a turbine (40) of a turbo jet engine during the various operating phases of the latter whilst keeping the temperatures of the disks inside the limits of their m... | 11/21/1995 |
| 5386873 | Cooling system for engine-driven multi-stage centrifugal compressor An air cooling system for an engine driven, multi-stage compressor is provided which includes a fan means for providing a cooling airstream to the air cooling system and an engine radiator. An intercooler has a predetermined height dimension and receives ... | 02/07/1995 |
| 5362207 | Portable diesel-driven centrifugal air compressor A portable compressed air system includes a housing, and a diesel engine having a predetermined torsional inertia, a predetermined cranking speed, and a predetermined idle speed. A centrifugal compressor is flexibly coupled in motive force receiving relat... | 11/08/1994 |
| 5340272 | Multi-stage centrifugal pump incorporating a sealed thrust bearing A multi-stage centrifugal pump is described having a linear series of impellets mounted on a common impeller shaft, with axial thrusts imparted to the shaft by the impellets being balanced by a sealed high-pressure thrust bearing assembly secured to the p... | 08/23/1994 |
| 5340274 | Integrated steam/air cooling system for gas turbines A steam or air cooled combined cycle gas turbine includes first and second turbine stages and a second nozzle stage. During start-up, cooling air is supplied radially inwardly through the second stage nozzle for flow into the gas flow through the turbine ... | 08/23/1994 |
| 5319925 | Installation for generating electrical energy An installation is proposed for generating electrical energy in an open circuit for a gaseous fluid, comprising a compressor unit driven by a turbine receiving the compressed fluid after its passage through an exhaust gas heat exchanger, the installation ... | 06/14/1994 |
| 5293929 | Cooling apparatus for machine parts such as pump seals Cooling apparatus for removing heat generated by friction between machine parts located within a liquid confining enclosure, for example, a seal surrounding the drive shaft of a motor driven pump used for below-ground pumping of sewage, the apparatus comp... | 03/15/1994 |
| 5143515 | Pump with seal purge heater A pump assembly which overcomes a shaft and cover cracking problem comprising a means for heating the seal purge water flowing along the shaft before it exits into an annulus (mixing region) thus reducing the temperature difference between the cooler seal... | 09/01/1992 |
| 5046920 | Bearing cooling system in horizontal shaft water turbine generator A bearing cooling system for a water turbine having a rotatable shaft connected at one end to a movable blade portion and supported by a journal bearing and by a thrust bearing having a collar, comprises a heat pipe including a first container surrounding... | 09/10/1991 |
| 4923364 | Gas laser apparatus, method and turbine compressor therefor A fast axial flow gas laser apparatus comprising an at least essentially closed loop defining a flow path for a laser gas, an arrangement for exciting gas flowing in the loop of the apparatus to cause the gas to lase, and a regenerative compressor for flo... | 05/08/1990 |
| 4685509 | Cooling device for a multistage compressor The invention relates to a cooling device for a multi-stage compressor in which two coolers are placed in a common housing. The two coolers cool the medium of the preceiding stage of the multi-stage compressor heated by the input compressor work. The comm... | 08/11/1987 |
| 4431371 | Gas turbine with blade temperature control A gas turbine in which hot gas is directed only over a portion or preselected number of the turbine blades and means are provided for directing a flow of a cooling gas over another portion or different preselected number of blades. In accordance with a pr... | 02/14/1984 |
| 4425077 | Turbine disc environment control system Ports are disposed in steam turbine blade discs to control the environment adjacent the bore of the disc to inhibit stress corrosion.... | 01/10/1984 |
| 4362462 | Method of intermediate cooling of compressed gases An improved method of cooling compressed gases intermediate successive compressive stages in a multi-stage intercooled compressor system without forming condensate is provided. Cooling water flow to an intercooler intermediate successive compressive stage... | 12/07/1982 |
| 4254758 | Vortex heat reclaiming system With this improved system the final gas discharge temperature can be one hundred degrees lower than the water it heated. Two high velocity, self pressurized vortexes are created by two high speed impeller wheels, one in each stage of the two-stage heat reclaim... | 03/10/1981 |
| 4217952 | Energy saving system for retrieving heat loss from an electrical apparatus In a system having an electrical apparatus dissipating thermal energy, an apparatus compartment is provided to substantially surround the apparatus, and a blower, disposed in an inlet air compartment, forces air through the apparatus compartment to an exi... | 08/19/1980 |
| 4196773 | Heating and air cooling system employing a gas turbine The present system employs a turbine engine system which has three turbo rotor sections coupled to the same drive shaft. The first section employs a high temperature multi-stage expansion turbine to provide the major source of mechanical power. The second... | 04/08/1980 |
| 4125345 | Turbo-fluid device A turbo-fluid device in the form of a package, in which a heat exchanger used as a cooler for a turbo-compressor, desiccator, or turbo-refrigerator; or a heater for a turbo-generator is formed in an annular form, while there are housed in the interior of ... | 11/14/1978 |