Bizarre Patents
A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7234423 | Internal combustion engine In accordance with the invention, an internal combustion engine having reciprocating piston sleeves is realized comprising an engine block with a pair of cylinders, each cylinder having an intake port, an exhaust port and two linearly opposing pistons connected to t... | 06/26/2007 |
| 7159847 | Supplementary control valve device for the inlet channel of a reciprocating internal combustion engine The additional control valve device has a valve element which is guided between a gantry magnet and a trapping magnet in a reversibly movable manner in the direction of the longitudinal axis. An encircling seal is arranged on that side of the housing, in which the g... | 01/09/2007 |
| 7134410 | Detachable connection for coupling a gas exchange valve of an internal combustion engine to an actuator Disclosed is a simple, easy-to-produce, and reliable connection between a shaft of a gas exchange valve and an actuator. This connection is detachable and, as a result, can be connected and disconnected multiple times. It is also possible to dispose the coupling pie... | 11/14/2006 |
| 7032549 | Valve lift sensor A valve lift sensor detects the position of an engine valve. The valve lift sensor includes a movable target carried on an engine valve and a stationary coil carried within an engine valve assembly. A signal generator energizes the coil with an oscillating voltage t... | 04/25/2006 |
| 6871619 | Valve actuator for actuating a gas exchange valve of an internal combustion engine A valve actuator for actuating a gas exchange valve of an internal combustion engine, having a sleeve-shaped positioning piston, which is connected to a valve shaft, having at least two shell-shaped wedge parts, enclosing a shaft end of the valve shaft, on whose rad... | 03/29/2005 |
| 6736090 | Valve device of engine An engine valve device, wherein an opening part (7) smaller in area than the end surface of a piston (5) is provided in the end surface of a cylinder (3) to form a valve seat (8), and a valve disc (9) in contact with the valve seat... | 05/18/2004 |
| 6729287 | Connection between a shaft end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet A connection between a shaft end of a gas exchange valve of an internal combustion engine and a sleevelike actuating piston of a valve actuator, has at least two shell-like key pieces, surrounding the shaft end and on whose radially outer circumferential surface the... | 05/04/2004 |
| 6202616 | Valve seal assembly for an internal combustion engine The present invention is a valve seal assembly used to prevent the lubricating fluid used to lubricate a valve stem and valve guide from entering the combustion chamber of an internal combustion engine. The valve seal assembly has an outer side surface th... | 03/20/2001 |
| 5803042 | Valves and valve timing for internal combustion engine An exhaust valve assembly of an internal combustion engine selectively covers an exhaust manifold circumferentially located about a top wall of a cylinder without interfering with segments of a piston. The exhaust valve assembly includes a ring-shaped por... | 09/08/1998 |
| 5367989 | Valve shutter control A valve system for controlling the opening and closing of the intake and exhaust ports of the internal combustion engine's cylinders consists of a shutter valve assembly which opens and closes a row of openings registering with the engine's combustion cha... | 11/29/1994 |
| 5183014 | Sleeve valve system for internal combustion engine having elliptical path An improved internal combustion engine, particularly of the compression ignition, two cycle, aircraft type employing sleeve valves and a modular cylinder and removable cylinder head and retainer. The engine is turbocharged with the turbocharger separated ... | 02/02/1993 |
| 5143029 | Two cycle internal combustion hydrocycle engine A two-cycle internal combustion engine includes two opposed pistons reciprocatable within a cylinder, between which an air-fuel mixture is injected and ignited. One of the pistons, a compression piston, is connected to a rotatable flywheel for storing ene... | 09/01/1992 |
| 5113805 | Variable-cycle engine A variable-cycle engine selectively operable in different cycle modes, includes a cylinder having a first intake port and an exhaust port which are defined in an upper portion thereof, and a second intake port defined in a lower portion thereof, a cylinde... | 05/19/1992 |
| 5081963 | Reciprocatory machines A reciprocatory machine having a cylinder defining with at least one piston a working chamber. Each piston is reciprocable in the cylinder by a respective crankshaft. The machine has intake and exhaust ports disposed at opposite ends of the working part o... | 01/21/1992 |
| 5054438 | Floating cylinder internal combustion engine A two stroke cycle internal combustion engine providing a cylinder movably held within the cylinder block. The ports operation timing is controlled by the longitudinal movement of the cylinder.... | 10/08/1991 |
| 4487020 | Power control for heat engines A power control arrangement for a Stirling engine includes a sleeve mounted in each cylinder for axial movement and a port in the sleeve leading to a dead space. The port is covered by the piston at a position that is determined by the piston position and... | 12/11/1984 |
| 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 |
| 4084554 | Multi-cylinder internal combustion engine A multi-cylinder internal combustion engine with at least one carburettor, and at least one intake manifold coordinated to the latter as well as to the cylinder, and a cam control by which the inlet valves open only after the closing of the outlet valves.... | 04/18/1978 |
| 3938484 | Valve stem retainer A valve stem retainer provides improved frictional engagement between the retainer segments and the valve stem. The retainer includes a pair of retainer lock segments, each of the segments having a radius of curvature less than the radius of curvature of ... | 02/17/1976 |
