U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6637829

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.

Newsletter  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.

 

Class 123/43R - ROTATING CYLINDER


Subclass of Class 123 - Internal-combustion engines
Definition: Internal-combustion engines having a cylinder and working
No. of patents: 54
Last issue date: 08/02/2011


1    
NumberTitleIssue Date
7987823Hybrid piston/rotary engine
A Hybrid Piston/Rotary engine has a stationary elliptical housing with a circumscribed inner cam surface to provide thrust, and sides with bearing supports for rotation of a rotor, at least one cylinder, a shaft with apertures therein to provide rotary valves combin...
08/02/2011
7765962Reciprocating and rotary piston engine
A reciprocating/rotary piston engine includes a housing containing a pivotable rotor as well as a series of openings in which pistons move up and down. The rotor is made up of a rotary piston presenting a series of active surfaces between its vertices (two, four, si...
08/03/2010
7677207Rotary 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...
03/16/2010
7467606Elliptical rotary motor with internal combustion
A method and an apparatus include a motor housing (1), an internal space cylindrical rotor (2) rotating together with radial placed work cylinder (3) and piston (6), a connecting rod (7) and a connecting axle (9) connected w...
12/23/2008
7438027Fluid transfer in reciprocating devices
The disclosure relates to fluid working devices including reciprocating internal combustion engines and pumps. A number of arrangements for pistons and cylinders of unconventional configuration are described, many intended for use in IC engines operating without coo...
10/21/2008
7421986Rotary radial internal combustion piston engine
The engine comprises a housing, a rotor, which is mounted in the housing for rotation about its axis. The rotor has a pair radially opposite cylinders spaced radially and apart from its axis of rotation. A piston spaced in each of the cylinders. Gas intake and gas e...
09/09/2008
7377238Variable compression ratio device of internal combustion engine
A variable compression ratio device of an internal combustion engine includes a piston inner part connected to a connecting rod and a piston outer part fitted on an outer periphery of the piston inner part. The piston outer part is only slidably in an axial directio...
05/27/2008
7353784Rotary 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
7351381Gas treatment apparatus
The present invention relates to a gas treatment apparatus for treating the exhaust gas stream from an internal combustion engine. The apparatus comprises several compartments within which one or more treatments are to be performed upon a gas flowing through the com...
04/01/2008
7343894Modular rotary engine
An internal combustion device, rotor self cooled, concentric and symmetric shape, dynamically variable compression ratio; capable of developing multiple Otto cycles per rotation, using modules, each made, mainly of a solenoid gate valve and three chambers operating ...
03/18/2008
7247164Methods for attaching connective tissues to bone using a multi-component bone anchor
An innovative bone anchor and methods for securing connective tissue, such as tendons, to bone are disclosed which permit a suture attachment which lies entirely beneath the cortical bone surface, and wherein the suturing material between the connective tissue and t...
07/24/2007
7231894Rotary positive displacement machine
A rotary displacement machine includes a casing having a circular cylindrical internal surface and a rotor disposed in the chamber mounted to orbit about a chamber axis, with the rotor having a circular cylindrical external surface. A vane member is mounted on the c...
06/19/2007
7143737Rotary engine
A rotary engine includes pistons disposed in operating chambers of a rotary member. The pistons are guided by guiding pieces engaged in a guiding groove formed at a housing so that the operating chambers are expanded. Each of the operating chambers includes an intak...
12/05/2006
7131405Rotating cylinder valve engine
A rotating cylinder valve engine provides variable compression to the engine by axially moving the rotatable cylinder towards or away from the piston. The volumetric center of the combustion chamber is offset from the central axis of the piston. The engine cylinder ...
11/07/2006
7117827Means for treatment of the gases of combustion engines and the transmission of their power
The disclosure relates to fluid working devices including reciprocating internal combustion engines and pumps. A number of arrangements for pistons and cylinders of unconventional configuration are described, mostly intended for use in IC engines operating without c...
10/10/2006
7004120Opposed 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
7004119Apparatus and method for rotating sleeve engine hydrodynamic seal
A hydrodynamic face seal 100 for sealing between the cylinder head 300 and rotating sleeve 200 of a rotating liner engine. The face of the face seal provides a sealing zone 130 for maintaining a lubricant layer of about 2 micrometers betw...
02/28/2006
6948458Two-way cylinder engine
An internal combustion engine wherein each cylinder has two pistons placed in the opposite direction and attached together by an arm-type connecting rod and wherein a cylinder head has a rotor blade rotating in the middle between the upper cylinder head and the lowe...
09/27/2005
6941837Bilateral connecting rod apparatus
An apparatus and method provide a true bilateral connecting rod apparatus having a crankshaft defining an axis of rotation and a rod journal eccentrically mounted for circular rotation about the axis, and a pair of connecting rods attached to the rod journal for rec...
09/13/2005
6928965Reciprocating piston engine comprising a rotative cylinder
A reciprocating piston engine includes a rotor housing for transferring torque to an engine output drive; a contoured guide element in the rotor housing, having a closed, curvilinearly contoured shape, around which the rotor housing is rotatable; at least one compre...
08/16/2005
6796285Internal combustion engine
An internal combustion engine that has a torque wheel mounted for rotation within the central cavity defined by the housing and driving a crankshaft. The torque wheel has a plurality of arms in a spaced arrangement about the center of the torque wheel, thereby defin...
09/28/2004
6776135Rotary engine
The present invention provides a rotary engine having: a stationary cylinder with an intake aperture, an exhaust aperture, and an ignition aperture on the surface; a driving disk disposed inside the stationary cylinder connected to an external driving source through...
08/17/2004
6722321Rotary engine
A rotary engine including a cylinder shaped housing, a rotation body rotating in the housing, an oval guide part located at the center of the rotation body being prominently formed from the cylinder shaped housing. A axis of rotation being formed in monolithic struc...
04/20/2004
6668767Internal combustion engine rotatory (turbovolante)
A rotary engine having at least two piston blades that may be actuated by either internal combustion or electromagnetic actuation. The combustion engine includes piston blades having a toothed moving pinion connected to each piston blade and a toothed fix...
12/30/2003
6629513Infinite loop engine
An internal combustion engine including an engine block, a power cylinder mounted for revolving within the block and having a reciprocating, non-rotating piston which includes drive pins cooperating with and driving the power cylinder. A cam cylinder coop...
10/07/2003
6526925Piston driven rotary engine
A rotary device which can be an internal combustion engine, and methods, for receiving fluid input including fuel and air, and generating a fluid discharge. The rotary device includes a stationary outer housing, a rotatable cylinder housing, and a rotatab...
03/04/2003
6457450Ju. M. Luzhkov rotary-turbine internal combustion engine
A rotary-turbine internal combustion engine, having working members that make oscillatory movements about an axle fixed to a rotor using carriers that couple the working members and a guide on a body, makes it possible to provide good smoothness of rollin...
10/01/2002
6390052Wobble engine
A wobble plate engine (20) includes a wobble plate assembly (26) having a wobble plate (58) that rolls against truncated cone portions (42) of a housing (22) and has an inner extremity (60) rotatably supported by an axially inclined annular bearing (49, 4...
05/21/2002
6386152Internal combustion engine
The invention provides an internal combustion engine suitable for use with a model aircraft comprising an outer housing, a cylinder disposed within the outer housing and rotatable about an axis W--W, and a power transmission means comprising a reciprocabl...
05/14/2002
6343575Rotating/reciprocating cylinder positive displacement device
This positive displacement device features relative rotation and translation of a piston and a cylinder where the rotation accomplishes a rotary valve function and the translation accomplishes a change in chamber volume function. The preferred embodiment ...
02/05/2002
6283070Apparatus and method for sealing internal combustion engines
An improved sealing means for internal combustion engines comprising a combination of a metal primary sealing ring positioned substantially within a groove on the piston, and a compliant secondary sealing ring positioned in the groove behind the primary c...
09/04/2001
6062175Rotating cylinder internal-combustion engine
An internal combustion engine comprises multiple cylinder blocks in series rotatablely mounted in a single casing. The cylinder blocks each define multiple cylinders along a circumferential portion of the cylinder block to receive a piston in each one. Th...
05/16/2000
5967102Combustion engine construction
A rotary combustion engine construction includes an engine block (20) defining a cylindrical inner space (22) in which a toothed ring portion is integrally attached with the engine block (20), and a cylindrical block (40) rotatably and snugly fitted in th...
10/19/1999
5345905Method of operating a rotary internal combustion engine
An internal combustion engine comprising a housing having a peripheral wall with a cylindrical internal surface and side walls defining a chamber, a rotor disposed within said chamber and having a central shaft extending through at least one of the side w...
09/13/1994
5261365Rotary internal combustion engine
An internal combustion engine comprising a housing having a peripheral wall with a cylindrical internal surface and side walls defining a chamber, a rotor disposed within said chamber and having a central shaft extending through at least one of the side w...
11/16/1993
5103775Internal combustion engine having non-aligned pistons mounted on rotating base
An internal combustion engine is mounted on a rotating base. The engine has at least one horizontally arranged cylinder block that is radially spaced outwardly from the center of rotation of the rotating base. The cylinder block has a piston that is conne...
04/14/1992
4741300Rotating cylinder internal combustion engine
A valve-free engine of 4n (4, 8, 12, etc.) cylinders comprises a fixed inner assembly comprising a pair of sun gears, a fixed outer assembly comprising fore and aft elements and a rotatable intermediate assembly. Each outer assembly element has an intake ...
05/03/1988
4558666Rotating cylinder engine and method of operating the engine
Method and apparatus for producing rotation of a power output shaft comprises a plurality of peripherally spaced cylinders disposed in generally tangential relationship to the periphery of a housing defining a cylindrical fluid pressure chamber and connec...
12/17/1985
4537162Internal combustion engine having a rotating piston assembly
An internal combustion engine having a rotating piston assembly is proposed in which the rotating piston assembly includes a cylinder which rotates about its longitudinal axis, at least one piston element pivotably mounted at one end within the cylinder f...
08/27/1985
4487168Machine having oscillating chambers and pistons
The machine comprises at least one central pivot 7 angularly fast with a control member 1 and mounted for oscillation on said control member 1 around a direction perpendicular to the axis of the control member 1 and a first eccentric 31 the axis of the ac...
12/11/1984
1    
 
Sign InRegister
Username  
Password   
forgot password?