Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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 |
| 7588000 | Free piston pressure spike modulator for any internal combustion engine A pressure spike modulator for engagement to the cylinders of an internal combustion engine. The device provides for adjustment of engine cylinder pressures using a reciprocating piston which provides a temporary increase in engine combustion chamber volume. Pressur... | 09/15/2009 |
| 7430995 | Constant optimum total compression: real-time manipulation of combustion chamber volume as a means of optimizing compression in internal combustion engines In conventional engines, the compression ratio is a constant. Therefore, cylinder pressure increases proportionately with intake manifold pressure. As manifold pressure changes dramatically according to load, a conventional engine cannot maintain anywhere near const... | 10/07/2008 |
| 7334561 | Internal combustion engine According to the invention, noise of an internal combustion engine is reduced by dynamically correcting the moment of injection when the engine is in the transient mode. ... | 02/26/2008 |
| 7194987 | Internal combustion engine driven with change-over of compression ratio, air-fuel ratio, and boost status With an increase in torque demand, the internal combustion engine of the invention successively changes over a combination of a compression ratio, an air-fuel ratio, and a boost status of an air-fuel mixture from (1) settings of a high compression ratio, a lean air-... | 03/27/2007 |
| 7114485 | Over expanded two-stroke engines A method for combusting fuel in an engine involving decreasing a first volume of a homogeneous lean fuel/air charge to a second volume, in two stages, while increasing the pressure and temperature of that charge (a compression process having a chosen compression rat... | 10/03/2006 |
| 7107964 | Control of auto-ignition timing for homogeneous combustion jet ignition engines A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers produces hot gas jets... | 09/19/2006 |
| 7100567 | Method to extend lean ignition limit within internal combustion engine A method of operating an internal combustion engine is provided. The engine includes a main combustion chamber in fluid communication with a prechamber. The method comprises the step of varying the volume within the prechamber during a portion of a compression strok... | 09/05/2006 |
| 7055469 | Combustion engine variable compression ratio apparatus and method An apparatus and method for varying a compression ratio of an engine having a block and a head mounted thereto. The apparatus and method includes a cylinder having a block portion and a head portion, a piston linearly movable in the block portion of the cylinder, a ... | 06/06/2006 |
| 6970781 | Compression ratio mode selection logic for an internal combustion engine having discrete variable compression ratio control mechanism A method and system for operating an internal combustion engine. The internal combustion engine is operable in a plurality of compression ratio operating modes. The method includes determining a relationship between a base engine threshold load where the high compre... | 11/29/2005 |
| 6953020 | Control of auto-ignition timing for combustion in piston engines by prechamber compression ignition A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers is produced by a comp... | 10/11/2005 |
| 6932175 | Control apparatus for hybrid vehicle A control apparatus is configured for a hybrid vehicle that can operate highly efficiently in all operating regions. The hybrid vehicle utilizes an internal combustion engine that can be operating using either compression self-ignition combustion or spark ignition c... | 08/23/2005 |
| 6925972 | Internal combustion engine driven with change-over of compression ratio, air-fuel ratio, and boost status With an increase in torque demand, the internal combustion engine of the invention successively changes over a combination of a compression ratio, an air-fuel ratio, and a boost status of an air-fuel mixture from (1) settings of a high compression ratio, a lean air-... | 08/09/2005 |
| 6450154 | Method for creating a homogeneous fuel charge in the combustion chamber through the use of ultrasound spray breakup An engine particularly suitable for homogeneous charge compression ignition operation. A piezoelectric oscillator is provided in a combustion chamber of the engine and initiates ultrasonic pressure waves to promote the breakup of fuel droplets. The piezoe... | 09/17/2002 |
| 6286468 | Volume reducing piston The addition of volume reducing piston 28 to a "Two stroke engine with a plunger" through cylinder head 4 so that volume reducing piston 28 can get between cylinder head 4 and plunger body 11 and reduce the amount of fluid sucked into the engine. Also add... | 09/11/2001 |
| 6199520 | Two stroke engine with displacer A two stroke, internal combustion, reciprocating, engine with a displacer 11 made up of a number of similar working units. Each working unit is comprised of a cylinder 12 that is closed at one end by cylinder head 4, and contains exhaust port 34, compress... | 03/13/2001 |
| 6035814 | Compound combustion expansion internal combustion engine An internal combustion engine in one embodiment includes a number of cylinders each having a crank piston connected to an engine crankshaft and disposed within a combustion chamber. Each cylinder includes a valve seat projecting inward from cylinder wall ... | 03/14/2000 |
| 5970944 | Combustion chamber structure in engines To minimize an increase in friction during the compression stroke, a part of the force to compress the air in the main combustion chamber is stored as a spring force to prevent an excess rise of compressed air pressure in the main combustion chamber and t... | 10/26/1999 |
| 5669340 | Two-cycle engine employing a flywheel The two-cycle engine is constructed with a flywheel having pockets spaced about the periphery. The flywheel receives charges of combusted media at spaced apart points so as to rotate the flywheel. Each piston/cylinder arrangement for delivering power to t... | 09/23/1997 |
| 5476072 | Fuel tolerant combustion engine with reduced knock sensitivity A supplemental cylinder head assembly for operation of an engine in a homogeneous charge compression ignition combustion mode. The supplemental cylinder head assembly provides a movable accumulator piston position above the main combustion chamber. The ac... | 12/19/1995 |
| 5427063 | Variable compression ratio cylinder An internal combustion engine having at least one volume adjustable cylinder which automatically adjusts its compression ratio during operation. The volume adjustable cylinder includes a movable head insert placed inside the insert space formed on the eng... | 06/27/1995 |
| 5341771 | Internal combustion engine with variable combustion chambers and increased expansion cycle An internal combustion engine and method for operating the same wherein the combustion chamber volume can be varied depending on throttle position by a member that is inserted into the combustion chamber, and wherein the intake valve is closed before the ... | 08/30/1994 |
| 5063883 | Detonation control device for an internal combustion engine The invention is directed towards adjusting the combustion ratio of an internal combustion engine. The apparatus has a compensator piston which is selectively hydraulically positioned. The piston is linked to a shock adsorber so as to keep the combustion ... | 11/12/1991 |
| 4987863 | Variable compression ratio internal combustion engine A variable compression ratio internal combustion engine having at least one cylinder, a piston disposed in the cylinder and a cylinder head disposed at one end of the cylinder. The cylinder head has a combustion chamber and a piston chamber contiguous wit... | 01/29/1991 |
| 4827882 | Internal regenerative combustion engines with thermal integrated optimized system An optimized unitary energetic system for an internal combustion engine comprising a gas distribution system for intake and exhaust associated with an optimized variable geometry combustion chamber with a regenerative cylinder wall lining to contain therm... | 05/09/1989 |
| 4543916 | Induced controlled detonation internal combustion engine A two-stroke cycle nonscavenged internal combustion engine operates under controlled detonating conditions without damage to the engine and with greatly enhanced fuel economy. The engine may have any desired number of cylinders operating initially on a tw... | 10/01/1985 |
| 4516537 | Variable compression system for internal combustion engines A variable compression system for internal combustion engines whose compression ratio is varied by hydraulic regulation of back and forth movement of a sub-piston slidably mounted within a sub-cylinder communicated with a combustion chamber, comprising a ... | 05/14/1985 |
| 4510894 | Cam operated engine A cam operated internal combustion engine of piston type positive displacement variety, having novel piston-to-cam connecting means. The pistons are cam operated to optimize the aspiration, combustion and expansion process. Executed in axial and radial ca... | 04/16/1985 |
| 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 |
| 4286552 | Variable compression ratio internal combustion engine The clearance volume of a combustion chamber of an internal combustion engine at the same crankangle is varied by changing the location of a small piston reciprocally disposed in a small cylinder formed in a cylinder head, which small cylinder communicate... | 09/01/1981 |
| 4246873 | Pressure addible engine An engine capable of storing high pressure gases and discharging them to increase the pressure of compressed fuel-mixture. A gas storage chamber is provided adjacent to the combustion chamber. The chamber opens to release high pressure gases just prior to... | 01/27/1981 |
| 4202300 | Internal combustion engine In an internal combustion engine intended to provide high fuel economy, low noxious emissions and high power, a pair of four cycle power cylinders are alternately fed by a two cycle charge cylinder in which a rich air/fuel mixture is compressed and delive... | 05/13/1980 |
| 4187808 | Engine having a variable compression ratio The engine comprises, for each of its cylinders, an auxiliary piston provided with a piston rod. The piston is movable in a cavity which is formed in the cylinder head and opens into the combustion chamber. The cavity defines with the auxiliary piston an ... | 02/12/1980 |
