Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7360511 | Opposed piston engine A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a co... | 04/22/2008 |
| 7191697 | Piston mechanism with diverging pistons A piston mechanism comprises a crankcase, a crankshaft with three crankpins, a cylinder with diverging pistons defining working chambers having inlet and outlet openings, and two connecting members, one of which cooperates with the middle crankpin and the other with... | 03/20/2007 |
| 7156056 | Two-cycle, opposed-piston internal combustion engine In a two-cycle, opposed-piston internal combustion engine with optimized cooling and no engine block, the opposed pistons are coupled to a pair of crankshafts by connecting rods that are subject to substantially tensile forces acting between the pistons and the cran... | 01/02/2007 |
| 7124716 | Internal combustion engine using opposed pistons An internal combustion engine having a cylindrical outer housing with inner cylindrical cylinders defining power cylinders circumferentially spaced in the engine. Each of the cylinder(s) has opposed intake and exhaust pistons. The intake and exhaust pistons use air ... | 10/24/2006 |
| 7055470 | Internal combustion engines having double cylinder units An internal combustion engine may comprise at least one double cylinder (17). A piston (10, 12) is reciprocally movably disposed in each individual cylinder (14, 16) of the double cylinder and each piston is connected to a crankshaft (4).... | 06/06/2006 |
| 7004120 | Opposed piston engine A four-stroke opposed piston engine includes a rotating cylinder with a circumference and an aperture defined through the circumference, first and second opposing pistons, optional first and second opposing cylindrical spacers, first and second opposing piston caps,... | 02/28/2006 |
| 6904877 | Piston motion modifiable internal combustion engine An internal combustion engine (10) including at least two radial cylinders (17) disposed with their axes coplanar and equi-angular located relative to each other. The cylinders (17) meet to form a common combustion chamber (18). A piston ... | 06/14/2005 |
| 6622684 | Unitary engine block having an intermittent contact intake and exhaust lifter system An intake and exhaust system for an internal combustion engine having a unitary engine block the system comprising a power cylinder, an intake lifter cylinder and an exhaust lifter cylinder that are formed integral with the engine block. This engine block... | 09/23/2003 |
| 6318309 | Opposed piston engine with reserve power capacity Two pistons are reciprocatively disposed in each cylinder of an engine thereby forming combustion chambers at each end of the cylinder that operate in a four-stroke cycle, and a third combustion chamber formed between the pistons that selectively operates... | 11/20/2001 |
| 6039011 | Internal combustion engine with opposed pistons An internal combustion engine has an engine block has a cylinder defined therein. The cylinder has a longitudinal axis. A first piston and a second piston are disposed within the cylinder. The first piston is directly opposed to the second piston. A first... | 03/21/2000 |
| 5758610 | Air cooled self-supercharging four stroke internal combustion engine An air-cooled self-supercharging four stroke internal combustion engine having four pistons which move in unison. There are two downward piston strokes in each four stroke cycle. The downward strokes of the pistons are used to compress the air in the cran... | 06/02/1998 |
| 5611300 | Floating piston, piston-valve engine The present invention is an improved drive train which includes an engine having at least one power cylinder with a power piston mounted for reciprocating motion therein. The power piston is connected to a crank shaft in the usual manner for translation o... | 03/18/1997 |
| 5596955 | Internal combustion engine A valveless four-stroke internal combustion engine employs an intake piston and an exhaust piston that reciprocate within intake and exhaust cylinders disposed adjacent the combustion chamber of the engine. A power piston reciprocates within a cylinder th... | 01/28/1997 |
| 5193493 | Internal combustion engine with piston valving An internal combustion engine in which the combustion chamber volume is reduced during the movement of the power piston in its compression and power stroke. This permits delaying the time or maximum combustion pressure, due to the ignition and expansion o... | 03/16/1993 |
| 5161491 | Internal combustion engine An internal combustion engine which includes a system to deliver a combustible mixture to a cylinder, ignite the combustible mixture and exhaust the mixture after ignition. The internal combustion engine comprises at least one piston capable of reciprocat... | 11/10/1992 |
| 4996953 | Two plus two stroke opposed piston heat engine Combustion engines have opposed pistons in one or more cylinders, with the piston motion determined by cams. Ports, for intake and exhaust, are at one end of the cylinder, opened or closed by one piston, with the combustion chamber at the other end, and t... | 03/05/1991 |
| 4879974 | Crankcase supercharged 4 stroke, 6 cycle engine A high power, fuel efficient, low-emission, four-stroke, 6 cycle method of operation. A primary intake conduit carries air or a lean mixture from the compression chamber (crankcase) to the combustion chamber. Fuel is added to the air or lean mixture as it... | 11/14/1989 |
| 4860701 | Multiple piston expansion chamber engine A method of extracting work from two chambers including a working chamber surrounded by a reciprocating sleeve and an auxiliary chamber surrounding the sleeve.... | 08/29/1989 |
| 4274369 | Stratified cross combustion engine A piston engine is provided in which adjacent cylinder pairs share a common combustion chamber and the pistons are mounted to reciprocate substantially in phase, one of the pistons in each piston pair receiving a rich mixture which is ignited by a sparkpl... | 06/23/1981 |
| 4180028 | Fluid operated device A fluid operated device comprises a cylinder, a piston movable axially therein, a shaft parallel to the axis of the cylinder and coupling means coupling the piston and cylinder and/or the piston and shaft in such a way that axial reciprocation of the pist... | 12/25/1979 |
| 4155334 | Fuel vapor injector for internal combustion engine An injector arrangement is disclosed for injecting a prevaporized fuel-air mixture into the cylinder of an internal combustion piston engine, the injector comprising an auxiliary piston and cylinder arrangement associated with each cylinder of the interna... | 05/22/1979 |
| 4136647 | Rotary device particularly useful as a rotary engine A rotary device particularly useful as a rotary engine comprises a cylinder having two (or more) pairs of axially displaceable pistons, the pistons of each pair being movable towards and away from each other to define an expansible and contractable chambe... | 01/30/1979 |
| 4010611 | Compression-expansion power device A power device or mechanism embodying cyclic compression and expansion of compressible fluids, such as various gases, in a unique manner hereinafter referred to as the "Zachery" cycle. The power device, as disclosed, includes a chamber, such as a cylinder... | 03/08/1977 |
