Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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 |
| 8186319 | Concentric cam with check valves in the spool for a phaser A camshaft assembly for an internal combustion engine has a hollow outer shaft with slots along its length and an inner shaft with holes along its length. The holes on the inner shaft are aligned with the slots on the outer shaft. A first set of cam lobes are fixed ... | 05/29/2012 |
| 8176886 | Camshaft adjusting device A camshaft adjusting device for an internal combustion engine of a motor vehicle. The camshaft adjusting device has a stator which is driven via a crankshaft of the internal combustion engine and a rotor which is connected in a rotationally fixed manner to the camsh... | 05/15/2012 |
| 8171902 | Camshaft adjuster and deep-drawing method for producing a seal cover for a camshaft adjuster A camshaft adjuster (1) for an internal combustion engine of a motor vehicle with a radially outer stator (4) that can be driven by the crankshaft, a radially inner rotor (5) connected locked in rotation with the camshaft (2), working cha... | 05/08/2012 |
| 8171903 | Intermediate lock pin type variable valve timing unit for vehicle and continuously variable valve timing device using the same An intermediate lock pin (ILP) ILP type variable valve timing unit may include an ILP type stator having at least one chamber formed therein, a rotor accommodated in the chamber to rotate relatively to the ILP type stator, and a lock maintaining portion provided in ... | 05/08/2012 |
| 8171904 | Valve timing control apparatus for internal combustion engine A valve timing control apparatus for an internal combustion engine, includes a housing body, a vane rotor, a first plate, and a second plate. The housing body is formed integrally with a shoe at an inside periphery of the housing body, wherein the shoe projects inwa... | 05/08/2012 |
| 8166937 | Valve timing control apparatus A vane rotor includes a vane to partition an advance chamber from a retard chamber. A valve element communicates a lock port with an exhaust port to drain a fluid from the lock port when moving in a first region including an end of a movable range in the first direc... | 05/01/2012 |
| 8166934 | Device for the combined locking and rotation angle limitation of a camshaft adjuster A locking and rotation angle device for locking and setting maximum rotational adjustability of a drive part fixed to the crankshaft and a driven part fixed to the camshaft of a camshaft adjuster. The driven part is pivotably adjusted to the drive part, which has a ... | 05/01/2012 |
| 8166935 | Control system of internal combustion engine A control system of an internal combustion engine changing an operating timing of a valve in an internal combustion engine where a valve drive cam (13) and a pump drive cam (150) are both provided on a valve camshaft (1) is provided. That contro... | 05/01/2012 |
| 8166936 | Valve timing adjusting apparatus A valve timing adjusting apparatus includes a housing, a vane rotor, and a spiral spring. The spiral spring has a most radially inward part engaged with a rotational shaft of the vane rotor in a state, where the most radially inward part is wound around the rotation... | 05/01/2012 |
| 8161926 | Device and method for controlling internal combustion engine If it is necessary to rapidly change a phase of an intake camshaft and an intake VVT mechanism relatively slow in responsiveness as it is associated with an “A” bank of a V-type, 8-cylinder engine is in operation for at least a predetermined period of time, an E... | 04/24/2012 |
| 8156906 | Valve timing controller When a spool is positioned in a lock range including a stroke end in a first direction, an advance port and a lock port are respectively connected to a supply port and a discharge port. When the spool is positioned in an advance range deviating from the lock range i... | 04/17/2012 |
| 8151751 | Phase varying apparatus for engine [Object] To keep an air-gap between an electromagnetic clutch and a magnet within a predetermined range even if a camshaft vibrates in a radial direction. [Achieving Means] A bearing 26 and a stopper 51 are attached to a stepped pa... | 04/10/2012 |
| 8146551 | Concentric cam with phaser An assembly for an engine comprising at least one phaser and a camshaft assembly. The camshaft assembly has an outer camshaft piece and an inner camshaft piece. The outer camshaft piece includes an outside cam integrally attached to the housing of the phaser through... | 04/03/2012 |
| 8146549 | Feeder for a camshaft adjuster A feeder for a camshaft adjuster is provided, including a central screw, a camshaft, and at least one flow resistance element. The camshaft is provided with a bore for accommodating the central screw. A channel is located between the camshaft and the central screw, ... | 04/03/2012 |
| 8146550 | Variable valve timing control apparatus for internal combustion engine A variable valve timing control apparatus for an engine includes a variable valve timing unit, a lock pin, a hydraulic control unit, and a lock control unit. The lock control unit causes the lock pin to lock the camshaft phase at an intermediate lock phase when a lo... | 04/03/2012 |
| 8141527 | Camshaft adjuster having a variable ratio gear unit A camshaft adjuster (1) having a variable ratio gear unit (2). Usually, a drive movement of an electrical actuating assembly (7) is transmitted into a variable ratio gear unit (2) of a camshaft adjuster (1) on the side which faces ... | 03/27/2012 |
| 8141529 | Valve timing control apparatus A valve timing control apparatus includes a locking mechanism having a locking member disposed in an accommodating portion formed in one of a drive-side rotor and a driven-side rotor and projectable into and retractable from the other rotor than the one rotor having... | 03/27/2012 |
| 8141526 | Camshaft adjuster Impurities of a lubricant in traditional camshaft adjusters can cause a problem, leading to impairment in the function and service life of the camshaft adjuster. In order to address this, flow channel areas are provided in the lubricant circuit, which include a dead... | 03/27/2012 |
| 8141528 | Actuating device for two parallel rotating camshafts The invention relates to an actuating device for two parallel rotating camshafts. The aim of the invention is to optimize the installation space required for such a device. For this purpose, both camshafts (3, 4) consist of two shafts that rotate concentrical... | 03/27/2012 |
| 8127729 | Valve timing control apparatus A driven-side rotator is rotatable synchronously with a camshaft and is supported between a gear member and a sprocket member of the driving-side rotator in an axial direction. A stopper portion of the driven-side rotator is adapted to contact the driving-side rotat... | 03/06/2012 |
| 8127728 | Vane-type cam phaser having dual rotor bias springs A vane-type camshaft phaser for varying the timing of combustion valves including a first torsional bias spring disposed on a cover plate spring guide and grounded to the cover plate and to a slot in a spring retainer to urge the rotor toward an intermediate locking... | 03/06/2012 |
| 8122863 | Camshaft phaser for the inner camshaft of a concentric camshaft assembly A camshaft phaser assembly for a concentric camshaft that adjusts the relative rotational position of the inner camshaft relative to the outer camshaft and the crankshaft of an internal combustion engine is provided. The phaser has an inner rotor with radially outwa... | 02/28/2012 |
| 8113158 | Engine with variable valve actuating mechanism An internal combustion engine is described having a valve mechanism that comprises an SCP camshaft operating two sets of valves. The first set of valves is operated via a summation rocker system such that the valve lift characteristic results from the combination of... | 02/14/2012 |
| 8113159 | Camshaft phaser and drive adapter for a concentric camshaft A camshaft adjuster for a concentric camshaft assembly of an internal combustion engine is provided. The adjuster includes a stator that is connected to the timing gear, and a rotor located within the stator having a plurality of vanes that extend into spaces create... | 02/14/2012 |
| 8113160 | Camshaft phasing system An engine cylinder head 10 is disclosed having a first camshaft 14 driven by the engine crankshaft via a phasing system 12 mounted to the camshaft 14. A second camshaft 22 is driven via the phasing system 12 mounted to the f... | 02/14/2012 |
| 8096273 | Electromagnet mounting and control system for a variable camshaft phaser containing magneto-rheological fluid A magneto-rheological fluid controlled camshaft phaser is provided having a stator with inwardly directed projections which define working spaces therebetween. The stator is adapted to be connected to the crankshaft via a timing gear and chain. A rotor is located ra... | 01/17/2012 |
| 8091524 | Valve timing control device A valve timing control device includes a driving side rotational member, a driven side rotational member, a fluid pressure chamber, a parting portion dividing the fluid pressure chamber into an advanced angle chamber and a retarded angle chamber, a restriction membe... | 01/10/2012 |
| 8091523 | Apparatus for and method of controlling variable valve timing mechanism The application provides a control apparatus of a variable valve timing mechanism capable of converging valve timing to a target value with good responsiveness as well as with high accuracy when an engine starts. In the state where the engine starts, the variable va... | 01/10/2012 |
| 8079335 | Inferred oil responsiveness using pressure sensor pulses A system and method for controlling an internal combustion engine include determining oil responsiveness based on pressure variations associated with oil pump pulses in response to a stimulus, and controlling the engine based on the determined oil responsiveness. Th... | 12/20/2011 |
| 8069829 | Hybrid vehicle system having engine with variable valve operation A method for operating a vehicle, the vehicle including an internal combustion engine coupled in the vehicle, the engine having at least one cylinder with an intake and an exhaust valve, where the opening and closing timing of the intake valve is adjustably retardab... | 12/06/2011 |
| 8061317 | Cam shaft phase setter and vacuum pump for an internal combustion engine A device for adjusting the phase position of a cam shaft of an internal combustion engine and for supplying an assembly with a partial vacuum, said device comprising: a phase setter for adjusting the phase position of the cam shaft relative to a crankshaft of the in... | 11/22/2011 |
| 8061318 | Method and apparatus for continuously variable differential phasing of engine valve operation An internal combustion engine includes a crankshaft and first and second cam actuated intake valves. A method for operating the engine includes providing a first intake cam configured to actuate the first cam actuated intake valve, and providing a second intake cam ... | 11/22/2011 |
| 8061319 | Camshaft phaser for internal combustion engine A camshaft phaser for an internal combustion engine includes a rotor which is rotationally coupled to a camshaft and a hydraulic positioning system for timing the rotor and camshaft with respect to the crankshaft of an engine. A bypass circuit permits hydraulic flui... | 11/22/2011 |
| 8056519 | Camshaft phaser intermediate locking pin and seat A vane-type camshaft phaser for an internal combustion engine, in which an intermediate locking pin and seat are provided for locking the camshaft phaser at a position intermediate of its full advanced and retard positions, one of the locking pin and seat having a n... | 11/15/2011 |
| 8051818 | Dual independent phasing system to independently phase the intake and exhaust cam lobes of a concentric camshaft arrangement A dual independent phasing system (DIPS) phaser assembly for coaxial camshafts having two axially stacked, thin phasing subassemblies which are each conventional vane-cell type phaser assemblies is provided. These phasers are preassembled together as a unit to make ... | 11/08/2011 |
| 8047169 | Variable valve timing apparatus and control method therefor An ECU executes a program including the steps of: controlling, when the phase of an intake valve is a phase advanced relative to a threshold value CA (FF) (NO in S106), an electric motor operating an intake VVT mechanism by feedback control (S202); and... | 11/01/2011 |
| 8047171 | Device for setting the relative rotational position of a camshaft of an internal combustion engine relative to a crankshaft driving the camshaft A device for setting the relative rotational position of a camshaft (2, 3) of an internal combustion engine (11) relative to a crankshaft (1) driving the camshaft (2, 3), having a traction mechanism drive (4) wrapping around the cr... | 11/01/2011 |
| 8047170 | Device for variably adjusting control times of gas exchange valves of an internal combustion engine A device (10) for variably adjusting control times of gas exchange valves (9a, 9b) of an internal combustion engine (1), including an external rotor (22) and an internal rotor (23) that is arranged such that it... | 11/01/2011 |
| 8042504 | Adjusting valve timing to deactivate engine cylinders for variable displacement operation An internal combustion engine having two cylinder banks and adjustable camshaft timing is disclosed in which the camshafts in one cylinder bank are adjusted so that there is no net flow from the cylinders to effectively disable the cylinder bank. In particular, exha... | 10/25/2011 |
| 8042503 | Variable valve timing apparatus In a variable valve timing apparatus having a VVT mechanism in each of a plurality of banks, start of a valve timing control is not permitted until reference position learning of valve timing is completed in the corresponding bank and in other banks. Accordingly, th... | 10/25/2011 |
