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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7441521 | Variable valve mechanism A first arm member and a second arm member are provided. The first arm member is positioned between a cam and a valve body to oscillate in synchronism with the rotation of the cam. The second arm member changes the angle of the first arm member in accordance with th... | 10/28/2008 |
| 7409940 | Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased lifter In a variable phased valve lifter of an internal combustion engine, two or more roller lifter are allowed to move along constraining faces of a constraining mechanism in a first direction, and the constraining mechanism is allowed to move freely in a second directio... | 08/12/2008 |
| 7406932 | Lift-variable valve-operating system for internal combustion engine A lift-variable valve-operating system for an internal combustion engine, comprising: subsidiary cams which are swingably supported on a movable support shaft capable of being displaced within a plane perpendicular to a rotational axis of a valve-operating cam, and ... | 08/05/2008 |
| 7392775 | Helical cam device and method A helical cam device for use with a wide variety of applications generally includes a first cam component, a second cam component and an axial guide. The cam components each have a helical cam track located on an axial end, so that coaxial alignment of the two cam c... | 07/01/2008 |
| 7367301 | CAM follower There is provided a cam follower in which a surface roughness of an outer surface of a roller of a cam follower which is in rolling contact with a cam of an engine is obtained individually in an axial direction and a circumferential direction, a skewness Rsk of a pr... | 05/06/2008 |
| 7311072 | Control unit for a valve, especially a gas exchange valve of an internal combustion engine A gas exchange valve of an internal combustion engine, has valve lifting movements with valve displacement curves and a control unit. To this end, a control unit is provided for operation of at least one valve, in particular a gas exchange valve of an internal combu... | 12/25/2007 |
| 7305951 | Two-step roller finger follower A two-step roller finger follower having a high-lift follower portion that rotates relative to a low-lift follower portion about a pivot shaft, including a lost-motion compression spring disposed in a linear bore formed in the high-lift portion to exert force agains... | 12/11/2007 |
| 7302922 | Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device The invention is characterized in that the gas exchange valves of a cylinder are displaced in a displacement unit (15, 34) jointly and independently of the displacement of the displacement devices of the other cylinders. Every displacement unit (15, 34... | 12/04/2007 |
| 7296546 | Device for the variable actuation of the gas exchange valves of internal combustion engines, and method for operating one such device The invention relates to a device for the variable actuation of gas exchange valves for internal combustion engines, wherein at least one cam (2) pertaining to a camshaft (1) mounted in a housing rotates according to the engine speed. The cam (2... | 11/20/2007 |
| 7287497 | Engine valve actuation system and method The present invention provides a valve actuation system for an internal combustion engine. The valve actuation system of the present invention may provide an increased range of auto-ignition operation by providing a valve re-opening mechanism to provide products of ... | 10/30/2007 |
| 7281504 | Valve train device for engine A valve train device for an engine is configured to pivot a rocker arm supported on a rocker arm support shaft to drive a valve which opens and closes a valve opening formed in a combustion chamber. The device comprises a valve drive device and a swing member pivota... | 10/16/2007 |
| 7278384 | Timing mechanism for a switchable two-step roller finger follower A two-step roller finger follower having a movable high-lift portion and a low-lift portion. A lock pin mechanism in the low-lift portion includes a lock pin that may be driven hydraulically into latched engagement with the high-lift portion. The lock pin assembly c... | 10/09/2007 |
| 7255076 | Variable valve lift apparatus for vehicle engines The present invention provides a variable valve lift apparatus for vehicle engines. A low-speed arm is installed in a high-speed arm to overlap the high-speed arm. A compression pin, a center pin, and a return spring are installed in a roller shaft of the low-speed ... | 08/14/2007 |
| 7252058 | Lift-variable valve-operating system for internal combustion engine A lift-variable valve-operating system for an engine, includes a subsidiary cam swingably carried on a movable support shaft. A cam follower is operatively connected to an engine valve and follows the subsidiary cam. The lift amount of the engine valve is varied by ... | 08/07/2007 |
| 7246578 | Valve operating mechanism of internal combustion engine A valve operating mechanism of an internal combustion engine, comprises a drive cam rotatable with and eccentric to a drive shaft; a link arm having a circular opening in which the drive cam is rotatably received, so that rotation of drive cam about an axis of the d... | 07/24/2007 |
| 7237520 | Hydraulic valve-lash-adjusting element (HVA) A hydraulic valve-lash-adjusting element (HVA) for the valve train of an internal combustion engine, wherein: a housing (1) has a blind bore (2) in which a piston (3) is guided with sealing clearance and is in ... | 07/03/2007 |
| 7219638 | System comprising a cam and a cam follower element and use of such a system A system (1) comprising a cam (2) with a cam lug (3) and a cam follower element (11) which undergoes an oscillating reciprocating movement in the direction of its longitudinal axis (12) when the cam (2) rotates, in which | 05/22/2007 |
| 7188595 | Variable valve actuation device of internal combustion engine A valve actuating link is provided for transmitting a combined movement of a drive cam on a cam shaft and a control cam on a control shaft to a valve pressing structure of an engine valve. The valve actuating link comprises a bearing portion that bears the control s... | 03/13/2007 |
| 7171930 | Rocker arm for valve actuation in internal combustion engines A rocker arm is disclosed for valve actuation in an internal combustion engine. The rocker arm includes at least two rotational axes which can be selected as desired to modify a relation between a force arm and a load arm. Control times and valve lift can thus be in... | 02/06/2007 |
| 7124721 | Control device for a gas exchange valve in an internal combustion engine A control device for a gas exchange valve of an internal combustion engine having a multi-membered transmission comprising at least one driving element (1), actuating elements (2) each of which actuat... | 10/24/2006 |
| 7121241 | Valve control system including deactivating rocker arm A valve control system (15) in which there is provided a deactivating rocker arm (51) disposed beneath a conventional, upper rocker arm (27), and disposed within a module housing (17). The deactivating rocker arm includes a latch tab (... | 10/17/2006 |
| 7121239 | Valve train for internal combustion engine A valve train including a cylinder having a cylinder axis and a cylinder head, the valve train has a first operating mechanism including a cam follower driven by a first valve train cam provided on a cam shaft so as to open and close the first engine valve and a dri... | 10/17/2006 |
| 7107949 | Device for variable activation of valves for internal combustion engines A device for variable activation of valves for internal combustion engines, which is arranged in a cylinder head having a camshaft mounted in a fixed location with valves that close by means of spring force through a stroke transfer arrangement. This device includes... | 09/19/2006 |
| 7104231 | Valve train of internal combustion engine The valve train V of an internal combustion engine E includes; a rocker arm 50, 60 for opening and closing the suction valve 13; a holding body 70 for holding the spring 77 to generate the bias force F3 for biasing the rocker arm | 09/12/2006 |
| 7096838 | Reversible four cycle internal combustion engine A reversible four cycle internal combustion engine. A crankshaft is rotatably mounted in a block and a piston is operatively mounted to a crankshaft via a connecting rod. A follower wheel traverses a cam as the cam rotates with the crankshaft, and in doing so, cause... | 08/29/2006 |
| 7069890 | Valve train device for an engine A valve train device for an engine is adapted to pivot a rocker arm supported on a rocker arm support shaft to drive a valve which opens and closes a valve opening formed in a combustion chamber. The device comprises a valve drive device and a swing member pivotally... | 07/04/2006 |
| 7055476 | Valve actuation apparatus for internal combustion engine A VA apparatus for an internal combustion engine includes a pair of VO cams disposed on both sides of a crank cam and having inside end faces opposed to each other, wherein the inside end faces have therebetween an annular portion of the crank arm supported in a san... | 06/06/2006 |
| 7044094 | Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine A valve-lift device for the variable control of gas-exchange valves of an internal combustion engine is provided. The device includes a pivotable lever that is capable of being driven by a camshaft, the pivotable lever having an axis of rotation which can be displac... | 05/16/2006 |
| 7040267 | Fully variable mechanical valve gear for a piston-type internal combustion engine The invention relates to a variably adjustable mechanical valve gear for at least one gas-reversing valve (1) provided with a closing spring (2) on a piston-type internal combustion engine having a drive mechanism (13) for generating a lifting m... | 05/09/2006 |
| 7011057 | Variable valve operating control apparatus for internal combustion engine and control method thereof A centric phase of an operating angle of an engine valve is detected on the basis of an interval between a reference rotational position of a crankshaft and a reference rotational position of a camshaft, and on the other hand, the centric phase is detected each pred... | 03/14/2006 |
| 7011055 | Variable valve operating control apparatus for internal combustion engine and control method thereof A centric phase of an operating angle of an engine valve is detected on the basis of an interval between a reference rotational position of a crankshaft and a reference rotational position of a camshaft, and on the other hand, the centric phase is detected at a peri... | 03/14/2006 |
| 6990935 | Pivoting lifter control system using spool valve and check valve to recirculate oil An internal combustion engine that has a camshaft having a plurality of cam lobes, a plurality of valves where each of the valves are actuated by a lifter actuated by the camshaft with a cam lobe. The lifter comprises a lifter body having an upper surface and a lowe... | 01/31/2006 |
| 6978749 | Means to add torsional energy to a camshaft A device for providing additional torsional energy for a cam shaft is provided. The device includes at least one main cam lobe formed on a rotating shaft; a valve operating mechanism disposed to be engaged by the main cam lobe; and an outer cylinder encompassing the... | 12/27/2005 |
| 6976462 | Double roller cam follower A double roller cam follower includes a longitudinal beam having a first end and a second end, a cam roller rotationally mounted on the beam for engaging a cam lobe and a valve stem roller rotationally mounted on the second end of the beam for engaging a valve stem.... | 12/20/2005 |
| 6976461 | Finger lever of a valve train of an internal combustion engine The invention proposes a switchable finger lever (1) for a valve train of an internal combustion engine having a compact structure. Through the inner lever (5) of the finger lever (1) it is possible, on the one hand, to realize a support on a ga... | 12/20/2005 |
| 6968819 | Variable valve actuating device To allow both the valve lift and valve timing for an engine valve to be varied in a continuous manner, the variable valve actuating device (1) comprises a camshaft (8) rotatably supported by a fixed part of the engine and provided with a cam (7)... | 11/29/2005 |
| 6964252 | Valve lifter for internal combustion engine A valve lifter is disclosed comprising a lifter housing having a receiver, a switch retainer having at least one bore, and a key disposed in the at least one bore. The key is movable into the receiver to lock the switch retainer against movement relative to the lift... | 11/15/2005 |
| 6955146 | System for variably actuating valves in internal combustion engines A system for variably actuating valves by means of cams for internal combustion engines has the following type of construction: A camshaft is rotationally supported in the cylinder head and has a fixed position in relation to the valves and their associated stroke-t... | 10/18/2005 |
| 6948465 | Variable valve mechanism for engine A variable valve mechanism has a switching mechanism for transmitting cam displacement to a first rocker arm from a second rocker arm. A camshaft is disposed obliquely above a rocker shaft. A first abutting portion and a second abutting portion are disposed in a dea... | 09/27/2005 |
| 6935289 | Valve drive system for four-stroke engine A valve drive system capable of reducing the friction resistance of rocker arms and facilitating replacement work of tappet-clearance adjusting shims. The valve drive system can comprise a rocker arm that is slidable between a first position at which the pushing por... | 08/30/2005 |
