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 |
| 7350501 | Planetary rotary internal combustion engine An apparatus for a rotary internal combustion engine. The engine has three rotating members that orbit about the center of a three-armed rotor as the rotor rotates within a housing with three lobes. The tips of the rotating members engage the lobes and a circular cu... | 04/01/2008 |
| 7188602 | Concentric internal combustion rotary engine An internal combustion rotary engine includes a housing having an inlet and an outlet and a rotatable rotor centrally mounted within the housing. The rotor includes a plurality of pockets located about its circumference, the rotor further being connected to a rotor ... | 03/13/2007 |
| 7100566 | Operating method for a rotary engine and a rotary internal combustion engine The invention relates to propulsion engineering and particularly to internal-combustion engines. The problem solved by the present invention is improving fuel efficiency and ecological compatibility, as well as providing the ability to set advance ignition at higher... | 09/05/2006 |
| 7044102 | Planetary rotary internal combustion engine An apparatus for a rotary internal combustion engine. The engine has three rotating members that orbit about the center of a three-armed rotor as the rotor rotates within a housing with three lobes. The tips of the rotating members engage the lobes and a circular cu... | 05/16/2006 |
| 7021354 | Connector having air conducting structure and sensor system including the connector Air conducting connector with simplified wiring layout and water-proofing. Connector 2 has air conduction path 3, having a first opening 3a and a second opening 3b. A heater wire 5, air conducting wire and terminal | 04/04/2006 |
| 6932047 | Planetary piston rotary engine An apparatus for a rotary internal combustion engine. The engine has three rotating members that orbit about the center of a three-armed rotor as the rotor rotates within a housing with three lobes. The tips of the rotating members engage the lobes and a circular cu... | 08/23/2005 |
| 6174460 | Method for producing synthesis gas The present invention is an improved method for producing synthesis gas from gaseous raw hydrocarbons. The method includes combustion of a mixture of raw hydrocarbons and air at .varies.=0.5-0.8. The hydrocarbons are oxidized during the compression stroke... | 01/16/2001 |
| 5555866 | Rotary engine A rotary internal combustion engine has a double pivot center and allows for efficient communication between a central cylindrical intake/compression chamber and a crescent-shaped expansion chamber. Power packs rotating about the upper pivot location rece... | 09/17/1996 |
| 5479887 | Rotary internal combustion engine and compressor A rotary internal combustion engine composed of three identical rotors and a main shaft going through the centers of the three rotors. The first rotor is used for compressing a fuel/air mixture, the second rotor is used for creating power and the third ro... | 01/02/1996 |
| 5121721 | Rotary engine A rotary engine that comprises a rotor having two side faces, a side housing disposed facing to one of the two side faces of the rotor and a center housing disposed facing to the other of the two side faces of the rotor. The side housing has an intake por... | 06/16/1992 |
| 4926816 | Rotary piston engine A rotary piston engine having a casing and a substantially triangular rotor disposed in the trochoidal cavity of the casing. The casing is provided with an intake port located to communicate with the intake working chamber and an exhaust port located to c... | 05/22/1990 |
| 4696268 | Rotary piston internal combustion engine with water injection A rotary piston machine consisting of several circular, axially in series, on a shaft mounted, piston rotors, each piston rotor having a piston running along an associated, stationary working chamber wall of a circular cylindrical working chamber and bein... | 09/29/1987 |
| 4656984 | Rotary internal combustion engine with integrated supercharged fuel-air induction An improved "Wankel-type" rotary engine wherein the same trochoidal cavity employed for effecting a four-phase internal combustion engine operation is also employed to perform a supercharging function in that air is compressed in one chamber (chambers bei... | 04/14/1987 |
| 4572121 | Rotary vane type I.C. engine with built-in scavenging air blower A rotary internal combustion engine consisting of a generally cylindrical housing assembly having three different sections, with a common power shaft eccentrically journalled in the assembly. Each section has a rotor mounted on the power shaft, with six e... | 02/25/1986 |
| 4393828 | Rotary engine This invention relates to a simplified design for a rotary internal combustion engine. The engine consists of rollers, acting as pistons and cranks, and specially designed vanes or seals which divide each roller housing into two working chambers. The vane... | 07/19/1983 |
| 4241713 | Rotary internal combustion engine A rotary internal combustion engine having a housing defining a chamber is disclosed. A fixed shaft extends coaxially through the chamber. A plurality of vanes are pinned to a collar which is rotative about the shaft. One vane is rigidly secured to the co... | 12/30/1980 |
| 4239027 | Rotary internal stage combustion engine A dual rotor type rotary engine with primary and secondary rotor compartments around each rotor is described. The engine operates by activating in sequence an ignition means in the presence of a fuel and air mixture in primary and secondary compartments a... | 12/16/1980 |
| 4230088 | Rotary internal combustion engine with integrated supercharging A rotary internal combustion engine with four vanes carried by a rotor engaging an internal oval housing surface to define four chambers that orbit the rotor axis. Two of the chambers, diametrically opposed, are operated as working chambers on a four-phas... | 10/28/1980 |
| 4077366 | Internal combustion engine control system An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch eminating therefrom upon ignition; the torch is controlled to extend ... | 03/07/1978 |
| 4075981 | Rotary internal combustion engine A rotary internal combustion engine is disclosed herein and includes two confronting but spaced apart side casings which comprise part of the overall engine housing and a rotor located between the side casings, mounted around a rotatable shaft and extendi... | 02/28/1978 |
| 4073268 | Rotary combustion engine with side housing by-pass passages A rotary combustion engine having grooves in the engine side walls for bleeding off unburnt hydrocarbon gases from the trailing end of each working chamber during the late portion of its expansion stroke, these gases being bled through side housing groove... | 02/14/1978 |
| 4036183 | Rotary piston engine A rotary piston engine comprises a housing having a trochoidal peripheral wall and side walls on both sides thereof, a rotor adapted to perform a planetary rotary motion along the inner surface of the peripheral wall, and intake and exhaust ports formed i... | 07/19/1977 |
| 3995599 | Rotary combustion engine exhaust gas recirculation system A rotary combustion engine having a planetary rotor and a side intake port is provided with an internal exhaust gas recirculation system that is operable to connect the trailing region of the working chambers and the space below the trailing apex seal to ... | 12/07/1976 |
| 3993029 | Method of operating a compound supercharged rotary piston engine A compound supercharged rotary piston engine device in which a rotary piston compressor is interposed between a pair of rotary piston engines to form a unit. A single shaft extends through the unit and has coaxial eccentrics for the engines and an eccentr... | 11/23/1976 |
| 3987763 | Rotary engine combustion arrangement A rotary engine is provided with a plenum that is charged with relatively high-pressure hot gaseous products from the working chambers during the gas expansion process but after rapid combustion is completed and then discharges these products into a trail... | 10/26/1976 |
| 3983698 | Internal combustion rotary engine oxidizing fluid injection arrangement An internal combustion rotary engine oxidizing fluid injection arrangement having a sheet metal liner that is mounted in the engine's exhaust passage and has injection ports through which oxidizing fluid is injected into the exhaust gas in directions tran... | 10/05/1976 |
| 3980064 | Internal combustion engine Herein disclosed is a new internal combustion engine which is operable on a fuel which is combusted with the agency of an oxidizing gas containing hydrogen peroxide or oxygen gas so that exhaust gases emitted from the engine contains no nitrogen oxides in... | 09/14/1976 |
| 3977368 | Rotary piston engine A rotary piston engine comprises a housing having a trochoidal peripheral wall and side walls on both sides thereof, a rotor adapted to perform a planetary rotary motion along the inner surface of the peripheral wall and intake and exhaust ports formed in... | 08/31/1976 |
| 3961483 | Composite cycle engine The present invention discloses an engine with 25 to 70% better overall efficiency with exhaust emissions within present EPA 1975 standards. The vane type rotary engine uses exhaust from a multichamber Otto cycle engine to power a Stirling cycle engine on... | 06/08/1976 |
| 3945345 | Rotary internal combustion engine and a method of operating the same A seven-phase rotary internal combustion engine for carrying out intake, compression-ignition, power or primary expansion, transfer, scavenging, afterburning or secondary expansion, and exhaust phases, has an intake port, a second intake or scavenging air... | 03/23/1976 |
| 3931807 | Rotary internal engines An improved rotary internal combustion engine utilizing a new and improved cycle of operation which includes six phases: intake, compression, combustion, after burn, adiabatic expansion, and exhaust. The purpose of both the after burn phase and the adiaba... | 01/13/1976 |
| 3930468 | Exhaust gas cleaning means for a rotary piston type engine In a rotary piston type engine comprising a rotor housing having exhaust port means, exhaust gas cleaning means comprising an auxiliary exhaust passage in the form of a cutout portion, and a secondary air port opening in a casing at the cutout portion. Th... | 01/06/1976 |