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 |
| 7121906 | Method and apparatus for decreasing marine vessel power plant exhaust temperature According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that in... | 10/17/2006 |
| 7036315 | Apparatus and method for detecting low charge of working fluid in a waste heat recovery system In a waste heat recovery system having a superheat controller, a reference superheat controller operating trajectory is established and compared with operational superheat controller trajectories from time to time and measuring the deviation therebetween to determin... | 05/02/2006 |
| 7010920 | Low temperature heat engine A method for producing power to drive a load (17) using a working fluid circulating through a system that includes a prime mover (12) having an inlet and an accumulator (20) containing discharge fluid exiting the prime mover. A stream of heated ... | 03/14/2006 |
| 6748743 | Indirectly heated gas turbine control system A system for the control of an indirectly heated gas turbine comprising a primary system of controlling the temperature of heated compressed gas entering the expander, and an independent secondary system which includes a safety valve for instantaneous release of hea... | 06/15/2004 |
| 6588499 | Air ejector vacuum control valve The present invention comprises a method and device for deterring the freezing within a condenser by preventing critical pressure differentials from building up between the exhaust steam header and the air ejector systemy. The means for regulating pressur... | 07/08/2003 |
| 6128901 | Pressure control system to improve power plant efficiency A system for improving the efficiency of a modem power plant for generating electricity with a water-cooled shell and tube steam condenser with an air removal system is disclosed. An air removal system typically includes an air offtake pipe and a two-stag... | 10/10/2000 |
| 6128905 | Back pressure optimizer The present invention is directed toward a method and device for increasing the energy efficiency of a power plant. The invention comprises monitoring the power consumption of a power plant subsystem. The subsystem being monitored should be a subsystem th... | 10/10/2000 |
| 5005351 | Power plant condenser control system A system and method for controlling the operation of a steam condenser in a power plant which includes a steam turbine, the condense having: a steam flow path including a steam inlet connected to receive turbine exhaust steam from the turbine steam outlet... | 04/09/1991 |
| 4958679 | Condenser for the water-steam loop of a power plant, in particular a nuclear power plant A condenser for the water-steam loop of a power plant includes a condensate-filled lower portion. A heating pipe system is disposed in the lower portion and nozzles are disposed on the heating pipe system through which heating condensate or heating steam ... | 09/25/1990 |
| 4753077 | Multi-staged turbine system with bypassable bottom stage An improved multi-stage turbine system is provided which includes a high pressure turbine stage assembly and at least one lower pressure turbine stage assembly. Each of these turbine assemblies preferably has an inlet opening for introducing a thermodynam... | 06/28/1988 |
| 4642992 | Energy-saving method and apparatus for automatically controlling cooling pumps of steam power plants A system for energy-efficiently operating large capacity cooling pumps in a steam cycle electrical power generating plant which condenses steam using ambient water (e.g., from a lake, cooling tower, or stream) supplied by two or more large electrical moto... | 02/17/1987 |
| 4512157 | Solar powered fluid heating system A solar powered fluid heating system includes a thermal collector for vaporizing a refrigerant, a separator for removing any liquid component from the vapor component of the heated refrigerant, and a condenser for transferring heat from the refrigerant va... | 04/23/1985 |
| 4471620 | Turbine low pressure bypass spray valve control system and method A bypass system for a steam turbine wherein the energy level of the steam bypassed around the intermediate pressure and low pressure turbines is modified by introduction of cooling water. The amount of water introduced is adaptively varied as a function o... | 09/18/1984 |
| 4291538 | Power producing dry cooling apparatus and method Spent steam from a steam driven electric generating power plant is condensed by heat rejection to a refrigerant in a closed loop. The closed refrigerant loop contains an expander and a compressor, and a heat exchanger in a cooling tower. The compressor an... | 09/29/1981 |
| 4272962 | Pressure controller for dual purpose steam turbine power plant At least one heat exchanger section including a conventional heat exchanger is disposed in a dual purpose steam turbine power plant to utilize steam extracted from the steam turbine to one section of the heat exchanger for the purposes of heating process ... | 06/16/1981 |
| 4229943 | Steam engine A steam engine wherein the inlet and relief valves are subjected to balanced stresses and the pressure of steam is maintained above the critical point. The engine can be braked electrically, mechanically and with steam; the braking with steam takes place ... | 10/28/1980 |
| 4212168 | Power producing dry-type cooling system A dry-type cooling system for condensing steam in a steam operated electric power generating plant and disposing of the heat withdrawn, by converting some of the heat to a form of power or work, such as electric power, and rejecting some of the heat to th... | 07/15/1980 |
| 4165616 | Apparatus and method for restricting turbine exhaust velocity within a predetermined range An apparatus and method for controlling fluid velocity exhausting from an elastic fluid turbine within a predetermined range. Elastic fluid flow rate and velocity is measured through the turbine's exhaust stage and coolant flow rate to heat exchange tubes... | 08/28/1979 |
| 4080790 | Safety system for a steam turbine installation A steam turbine installation includes a safety system located in the steam flow path having a stop valve located in the steam flow path upstream of the turbine and a vacuum break valve located in the stream flow path downstream of the turbine, and a combi... | 03/28/1978 |
| 3939660 | Acceleration control arrangement for turbine system, especially for HTGR power plant In a turbine system with first and second turbine stages, each having a bypass line thereacross, provision is made for utilizing only the valving of the first turbine stages to control the acceleration of the shaft driven by the turbine system from start-... | 02/24/1976 |