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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7293538 | Overhead camshaft drive assembly A variable timing camshaft drive assembly for an internal combustion engine utilizes a single cam phaser, driven by an engine crankshaft, capable of operating multiple camshafts carried on multiple banks of an engine. The cam phaser is carried on a hub extending fro... | 11/13/2007 |
| 7284521 | Shaft mechanism, in particular camshaft of automotive engines A camshaft of an automotive engine includes two concentric contra-rotating shafts mounted one inside the other, namely an inside shaft and an outside shaft, at least one cam rotatably mounted on the outside shaft, fixedly connected to the inside shaft radially throu... | 10/23/2007 |
| 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 |
| 7246588 | Assembled camshaft for engine and production method thereof An assembled camshaft (10) for engine includes: a cam lobe piece (12); and a hollow shaft member (11) having at least two shaft fixing surfaces (11A) formed by plasticity process on a portion of the hollow shaft member (11) corresp... | 07/24/2007 |
| 7228830 | Valve timing control device for internal combustion engine A valve timing control device includes a drive pulley driven by a crankshaft of an engine, and a driven camshaft. The camshaft has a cam that serves to open and close an intake port. An engine valve is spring-loaded by a valve spring, whereas the cam opens or closes... | 06/12/2007 |
| 7214153 | Method of changing the duty cycle frequency of a PWM solenoid on a CAM phaser to increase compliance in a timing drive A chain drive having a phaser such as a hydraulic vane phaser interposed between a timing chain and a driving or driven shaft is provided. The phaser or the vane are controlled to oscillate more at certain engine speeds to thereby reduce the tensioning force on the ... | 05/08/2007 |
| 7201124 | Phase displacement device A phase displacement device (1) having a drive (2) with a drive shaft (4) and a transmission (5) for displacing the phase between a camshaft (9) and a crankshaft (12) is provided. The phase displacement device (1) has... | 04/10/2007 |
| 7162185 | Transmission for image formation apparatus, method of manufacturing the transmission, and image formation apparatus A transmission comprises a rotary shaft; a gear secured to the rotary shaft coaxially; and a regulative member secured to the rotary shaft. This regulative member press-contacts one end of the gear to maintain the gear exactly perpendicular to an axis of the rotary ... | 01/09/2007 |
| 7152561 | Control structure for the adjusting motor of an electric camshaft adjuster A control structure for the adjusting motor of an electric camshaft adjuster in an internal combustion engine is provided. The control structure includes a controller which processes measuring signals of the internal combustion engine to control data for the adjusti... | 12/26/2006 |
| 7140871 | Cam-type guiding device and molding installation using same A cam-operated guiding device for controlling a related movement of a member which is moreover continuously displaced, the device including two mutually transversely offset parallel cams with which co-operate respectively two coaxial rollers for bilaterally guiding ... | 11/28/2006 |
| 7121160 | Mechanical transmission A constant power mechanical transmission with seamless, ripple free, infinitely variable torque multiplying outputs comprises an input shaft and an output shaft. The input shaft is coupled to a pair of oscillating levers whereby rotation of the input shaft causes os... | 10/17/2006 |
| 7117832 | Device for adjusting a camshaft of an internal combustion engine of a motor vehicle A device for adjusting a camshaft of an internal combustion engine of a motor vehicle has a stator and a rotor fixedly connected to a camshaft and rotatable relative to the stator. A drive wheel is fixedly connected to the stator and is centered by the camshaft. The... | 10/10/2006 |
| 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 |
| 7104229 | Variable valve timing system A variable valve timing system for an internal combustion engine, comprising a drive shaft driven by the engine, a camshaft driven by the drive shaft, and a cam supported by the camshaft for bearing against a valve actuating member. The camshaft and the drive shaft ... | 09/12/2006 |
| 7086309 | Planetary-harmonic motor A motor suitable for use in a medical imaging environment has (a) a centrally located means for actuating a radial wave, (b) a deformable flexspline having an inner surface and a toothed outer surface with a first specified number of teeth, and (c) a circular spline... | 08/08/2006 |
| 7069889 | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams Disclosed is a camshaft, especially for an internal combustion engine of a motor vehicle, comprising at least one cam that is provided with cam segments (2, 3), which can be displaced relative to each other. The aim of invention is to create a compact camshaf... | 07/04/2006 |
| 7059285 | Control structure for the adjusting motor of an electric camshaft adjuster A control structure for the adjusting motor (8) of an electric camshaft adjuster (6) in an internal combustion engine (1) is provided. The control structure includes a controller (19) which processes measuring signals of the internal comb... | 06/13/2006 |
| 7055477 | Valve actuation apparatus for internal combustion engine and method of adjusting lift thereof A VA apparatus includes a rocker arm coaxially swingably supported on a support shaft. The rocker arm is swung by torque transmitted from an engine to operate an engine valve and includes a first arm to which torque is transmitted and a second arm for operating the ... | 06/06/2006 |
| 7033149 | Medium pump adapted for ease of disassembly and assembly A medium pump for a motor includes a pump case with a pump cylinder and a pump piston positioned displacaebly in the pump cylinder in the direction of a pump axle. The pump piston rotates about the pump axle by running off an oblique control surface and realizes axi... | 04/25/2006 |
| 7025023 | Hydraulic camshaft adjuster for an internal combustion engine In a hydraulic camshaft adjuster for an internal combustion engine including a hydraulic operating unit for adjusting the angular position of the camshaft relative to a camshaft drive by way of a hydraulic control valve with a valve housing in which a control piston... | 04/11/2006 |
| 7021257 | Compensating for VCT phase error over speed range A method for compensating for variable cam timing of an internal combustion engine is provided. The method includes: a) providing a periodical crank pulse signal; b) providing a periodical cam pulse signal; c) determining a segment, wherein the internal combustion e... | 04/04/2006 |
| 7007652 | Variable duration valve timing camshaft A variable duration valve timing camshaft is disclosed. The camshaft has a shaft with fixed cam lobes and lobe modifying elements that are adapted to move outwardly as the rate of rotation of the camshaft increases thereby cooperating with the lobes to continuously ... | 03/07/2006 |
| 6997079 | Gear mechanism with an idler gear, a gear mechanism with a device for eliminating backlash between gears, and a motor driving mechanism A gear mechanism includes a driving gear, a driven gear, and an idler gear which is in mesh with the driving gear and the driven gear, wherein rotation of the driving gear is transferred to the driven gear via the idler gear. The idler gear includes first and second... | 02/14/2006 |
| 6997150 | CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals A variable camshaft timing phaser for an internal combustion engine having at least one camshaft comprising a plurality of vanes in chambers defined by a housing and a spool valve. The vanes define an advance and retard chamber. At least one of the vanes is cam torq... | 02/14/2006 |
| 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 |
| 6971280 | Cam mechanism on a folding cylinder A cam mechanism for a folding cylinder or gripping cylinder of a printing machine have a cam disk assembly with two cam disks located adjacent to one another. The cam mechanism has good kinematic properties and is subject to low wear, the outer casing of the cam rol... | 12/06/2005 |
| 6957635 | Valve timing control for marine engine An engine for a marine drive has a combustion chamber. An engine body of the engine defines intake and exhaust ports communicating with the combustion chamber. An air induction system communicates with the combustion chamber through intake ports. An exhaust system c... | 10/25/2005 |
| 6935292 | Camshaft with curvature Camshaft configurations are increasingly more closely assembled in motor vehicle engines such that access to the cylinder head bolts is obstructed. Indentations 2 along built-up camshafts, which comprise a camshaft tube 1 with slid-on camshaft structur... | 08/30/2005 |
| 6932033 | System and method for improving VCT closed-loop response at low cam torque frequency Known method suitable for implementation in a computer program product for VCT closed-loop control system generally includes an integrator to eliminate the steady state error. A novel method suitable for implementation in a computer program product includes a set po... | 08/23/2005 |
| 6920855 | Valve timing adjustment device A valve timing adjustment device for promptly switching a rotational phase includes a guide rotary body having a guide passage containing a movable body. The guide passage includes a variable radial dimension relative to a rotational centerline. The guide rotary bod... | 07/26/2005 |
| 6915767 | Method of determining the position of a cam phaser A method of determining the position of a cam phaser determines and stores an adaptively updated base offset corresponding to the phase offset of a camshaft relative to a crankshaft for a reference or default position of a cam phaser. Thereafter, the phaser position... | 07/12/2005 |
| 6910450 | Variable valve timing structure for outboard motor engine An internal combustion engine for an outboard motor that comprises at least one combustion chamber formed by at least a engine body, a cylinder head assembly and a piston that moves relative to the engine body and the cylinder head assembly. A crankshaft extends in ... | 06/28/2005 |
| 6907853 | Variable valve timing control device A variable valve timing control device includes a housing, a rotor at least one shoe portion dividing a fluid pressure chamber provided between the housing and the rotor, a plate member closing one axial end surface of the housing, plural fixing members for unitaril... | 06/21/2005 |
| 6901895 | Camshaft rotational detection structure A camshaft rotational detection structure is configured that can improve the precision with which the camshaft rotational angle is detected. The camshaft rotational detection structure detects the rotational angle of a camshaft to which rotation is transmitted from ... | 06/07/2005 |
| 6883479 | VCT phaser having an electromagnetic lock system for shift and lock operation A locking device is provided to lock the phaser vane and sprocket together at all times except when the phaser is moving from position to position. The locking device ensures that the phaser is locked for start conditions and ensures the prevention of noise from bei... | 04/26/2005 |
| 6883478 | Fast-acting lock pin assembly for a vane-type cam phaser A fast-acting rotor-locking mechanism for a vane-type camshaft phaser. A straight-sided locking pin is disposed in a bushing in the rotor and is urged into a sprocket well by a return spring. A pad disposed at the bottom of the well is a travel stop for the pin. Whe... | 04/26/2005 |
| 6883475 | Phaser mounted DPCS (differential pressure control system) to reduce axial length of the engine An internal DPCS feeds (13) engine oil pressure (32) to one side (19) of the spool and a solenoid controlled pressure (14) to a piston (12) that has twice the area as that side (19) of the spool. The spool end (21) th... | 04/26/2005 |
| 6863037 | Control unit for variable valve timing mechanism A controller that outputs control signals to an actuator of a variable valve timing mechanism is integrally equipped with a cam sensor that takes out from a camshaft signals for discriminating a cylinder corresponding to a reference piston position. The controller d... | 03/08/2005 |
| 6860246 | Valve timing control for marine engine A marine drive has an engine, a propeller and a transmission to switch the propeller between a propulsion position and a non-propulsion position. The engine has a combustion chamber. An air induction system communicates with the combustion chamber through an intake ... | 03/01/2005 |
