Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7353784 | Rotary internal combustion engine A rotary internal combustion engine has a circular inner chamber, which houses a plurality of cylinders with reciprocating pistons that move in a radial direction towards and away from the center of the inner chamber. A flywheel with distinct vanes or portions is po... | 04/08/2008 |
| 7168235 | Highly supercharged regenerative gas turbine The present invention comprises a highly supercharged, regenerative gas-turbine system. The gas turbine comprises a compressor, a regenerator, a combustor, and an expander. A pre-compressor pressurizes air going into the compressor section of the gas turbine. A cool... | 01/30/2007 |
| 7036313 | Co-generation turbocharged turbine system A co-generation turbocharged turbine system that utilizes a gas turbine (10) connecting the exhaust to a turbocharger (24) to introduce pressurized air into the inlet of the turbine for improving power and efficiency. A second embodiment places a work ... | 05/02/2006 |
| 6615586 | High-pressure gas-turbine plant using high-pressure piston-type compressor A power plant especially for the propulsion of waterborne vehicles, includes two prime movers, a gas turbine (1) and a diesel starting engine (3) for selectively driving, via a central gearbox (4) and clutches (7) and (9), a power output shaft (5) and a g... | 09/09/2003 |
| 5222361 | Rocketjet engine A rocketjet engine has a light, hollow double-acting compressor piston (35 and 123). It is reciprocated by a smaller-diameter double-acting power piston (51) through a power shaft (52 and 60) connecting them. Up to 90 percent of intake air is routed from ... | 06/29/1993 |
| 4873822 | Energy producing installation with internal combustion engine and turbine The installation comprises a compression unit and a power unit. The compression unit comprises at least one engine operation according to a Diesel cycle and supercharged by a turbine having an expansion turbine supplied with the exhaust gases of the engin... | 10/17/1989 |
| 4696158 | Internal combustion engine of positive displacement expansion chambers with multiple separate combustion chambers of variable volume, separate compressor of variable capacity and pneumatic accumulator An engine has a compressor of variable capacity under command of a control system that regulates the output of the compressor for maintaining constant, at an adjustable value, the air pressure supplied from the compressor to plural combustion chambers of ... | 09/29/1987 |
| 4578955 | Automotive power plant In an automotive power plant including an electric motor having a drive shaft connected to a transmission and a battery pack connected to the motor for vehicle speeds up to 30 miles per hour approximately, the improvement comprising an alternate power sou... | 04/01/1986 |
| 4554787 | Supercharged internal combustion engine A supercharged internal combustion engine, characterized in that it is constituted by a cylinder (1) comprised by two identical portions, assembled together, symmetrical with respect to an axis perpendicular to its longitudinal axis, and traversed along t... | 11/26/1985 |
| 4352655 | Engine An improved engine comprises a primary piston and primary cylinder in which air and fuel is precombusted. The piston is reciprocated in the cylinder by an external prime mover. The exhaust of the precombusted air/fuel mixture is controlled by a floating e... | 10/05/1982 |
| 4288981 | Turbine-type engine A turbine-type engine which has a blade-type rotor mounted in a housing on a drive shaft, a plurality of cylinders symmetrically spaced about the drive shaft radially thereof, each having a piston connected by rods to a crank throw of the drive shaft, eac... | 09/15/1981 |
| 4024704 | Combustion products pressure generator continuous burner type and engines This application pertains to reciprocating piston engines supplied hot pressure fluid medium by combustion products pressure generators and controls thereof. This invention pertains to a new improved electro magnetic operated automatic, reversible cut off... | 05/24/1977 |
| 4015424 | Combustion engine with dual function motor element and rotary valve for cyclical fuel and exhaust metering An internal combustion engine comprises a compression and expansion casing having an operating member adapted to cause volumetric compression of fuel mixture and volumetric expansion of combustion gas and a combustion tube in which combustion of fuel mixt... | 04/05/1977 |
