Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6905530 | Metallic powder-molded body, re-compacted body of the molded body, sintered body produced from the re-compacted body, and processes for production thereof In a preliminary molding step 1, a metallic powder mixture 7 obtained by blending an iron-based metal powder 7a with graphite 7b such that the graphite is present in an amount of preferably not less than 0.1% by weight, more... | 06/14/2005 |
| 6868812 | Valve timing control system for internal combustion engine A valve timing control system for an internal combustion engine has: a drive force transmitter or a chain sprocket; a cam shaft; a housing, a vane rotor; an advanced angle chamber and a delayed angle chamber; an oil pressure conveyer; a protrusion shaft; a target pl... | 03/22/2005 |
| 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 |
| 6821408 | Method and apparatus for an anodic treatment A method and apparatus for anodizing a component. The component is placed in a container having first and second seal members that seal an annular surface of the component to be anodized. The first and second seal members, the annular surface of the component, and a... | 11/23/2004 |
| 6814851 | Method and apparatus for an anodic treatment A method and apparatus for anodizing a component. The component is placed in a container having a supply port, a drain port and a supply passage. The supply passage faced on a surface of the component to be anodized. A reaction medium is supplied from the supply por... | 11/09/2004 |
| 6810872 | Inhalant medicator A blister pack for a inhalant medicator has a plurality of medical powder storage chambers spaced apart from each other in a circumferential direction. The inhalant medicator includes a pricking tool with a pair of parallel pins that prick inflow and outflow holes i... | 11/02/2004 |
| 6805096 | Cylinder judgment apparatus and cylinder judgment method of engine Cylinder judgment signals are output from cam sensors at every uneven crank angle interval. The number of cylinder judgment signals output per cam sensor during a time period between a previous output and a present output of cylinder judgment signals from the other ... | 10/19/2004 |
| 6776462 | Anti-skid control system and method for automotive vehicle In anti-skid control system and method for an automotive vehicle, when a calculated wheel deceleration of any one of road wheels of the vehicle has reached to a predetermined deceleration set on the basis of a pseudo vehicle body deceleration calculated from detecte... | 08/17/2004 |
| 6769422 | Apparatus and method for controlling air-fuel ratio of engine When an output signal from an oxygen sensor is within a predetermined range including a value equivalent to a stoichiometric air-fuel ratio, the output signal is converted into air-fuel ratio data, to compute an air-fuel ratio control signal based on a deviation bet... | 08/03/2004 |
| 6739296 | Apparatus and method for controlling variable valve operating mechanism In an internal combustion engine equipped with a variable valve operating mechanism that performs a valve timing control and a valve lift amount control of at least one of an intake valve and an exhaust valve, target values of the valve timing and the valve lift amo... | 05/25/2004 |
| 6732688 | Valve timing control system for internal combustion engine A valve timing control system includes a driving plate, a lever provided to a camshaft, a radial slot formed in the driving plate, an intermediate rotator arranged rotatable with respect to the driving plate and the camshaft and having a spiral slot, and a link havi... | 05/11/2004 |
| 6719223 | Fuel injection valve A nozzle plate is provided with annular step portions each located on the periphery of a nozzle opening rim on a valve seat side, which rises up towards the nozzle opening rim from the radial outside of the nozzle, to form a fuel flow which flows in reverse from the... | 04/13/2004 |
| 6708657 | Apparatus and method for controlling variable valve timing mechanism In an apparatus for, controlling a variable valve timing mechanism that variably controls valve timing of an engine by changing a rotation phase of a camshaft relative to a crankshaft due to friction braking of an electromagnetic brake, the rotation phase is control... | 03/23/2004 |
| 6705281 | Piston for an internal combustion engine A piston for an internal combustion engine is provided which has at a top surface thereof a cavity for causing a mixture charge drawn from an intake port into a combustion chamber so as to flow with a rotational motion about a horizontal axis to flow toward a spark ... | 03/16/2004 |
| 6688287 | Control apparatus of internal combustion engine and control method thereof In an internal combustion engine provided with a variable valve operating apparatus which variably changes a valve operating characteristic of at least one of intake and exhaust valves, a reference intake pipe pressure and a reference fresh air ratio corr... | 02/10/2004 |
| 6679365 | Viscous Fluid Coupling A viscous fluid coupling includes a housing rotatably supported to a drive shaft of an engine. An operation plate set in the housing divides a space of the housing into a reservoir and an operation chamber. The operation plate has a communication hole com... | 01/20/2004 |
| 6671606 | Antiskid brake control system In an antiskid brake control system, an ECU estimates a wheel slip in accordance with a sensed wheel speed and controls a fluid pressure control valve for braking operation in accordance with the estimated wheel slip for an antiskid brake control, the flu... | 12/30/2003 |
| 6655361 | Fuel injection control apparatus of engine In an engine equipped with a variable valve timing mechanism that variably controls the valve timing successively, when variably controlling the valve timing, a transient correction amount of fuel supplied to the engine is corrected based on the detection... | 12/02/2003 |
| 6640627 | Fluid flow meter having a fluorine-containing sealant which maintains silicon-containing filler in installation recess A fluid flow meter is disposed in a conduit. A casing of the flow meter includes a main body section defining a circuit board installation recess, and has a peripheral wall section projecting from the main body section so as to surround the circuit board ... | 11/04/2003 |
| 6638193 | Transmission system for automotive vehicle In a transmission system for an automotive vehicle, a planetary gear (3) comprises a ring gear (33) fixed to a housing, the planetary gear being interposed between a drive axle (1) in which a torque is transmitted from a power source (EG) of the vehicle a... | 10/28/2003 |
| 6640180 | Antiskid brake control system In an antiskid brake control system, an ECU is constructed to calculate a pseudo vehicle-body speed in accordance with a sensed wheel speed, calculate a target wheel speed in view of a predetermined slip ratio obtained in accordance with a calculated pseu... | 10/28/2003 |
| 6622674 | Valve timing control system for internal combustion engine A valve timing control system includes a driving plate coupled to a crankshaft, a lever shaft coupled to a camshaft, a VTC housing, and an electromagnetic coil mounted to the VTC housing for producing a magnetic field to control a mounting angle formed be... | 09/23/2003 |
| 6622699 | Control apparatus and control method of negative pressure actuator In a negative pressure actuator which is provided with a negative pressure tank storing an intake negative pressure of an engine, and operated by a negative pressure stored in said negative pressure tank as a power source, an operating possible time of th... | 09/23/2003 |
| 6622678 | Apparatus and method for controlling variable valve mechanism In a variable valve mechanism that changes an opening characteristic of an engine valve by a rotation force of a direct current motor, an electric current to be supplied to the direct current motor is forcibly lowered by providing restriction to a control... | 09/23/2003 |
| 6612662 | Anti-skid control system for automotive vehicle An anti-skid control system for an automotive vehicle includes a hydraulic modulator having electromagnetic solenoid valves for regulating a wheel-brake cylinder pressure at each of road wheels. A skid control unit prevents a wheel lock-up condition by co... | 09/02/2003 |
| 6598570 | Variable valve system A variable valve system for an internal combustion engine has a plurality of valves provided for one cylinder of the internal combustion engine. The plurality of the valves are disposed on one of an intake side and an exhaust side of the one cylinder. The... | 07/29/2003 |
| 6595210 | Inhalator for administering powder composition An inhalator including an inhalator body including a powder receiving chamber for receiving a powder, an air-powder mixture reservoir for temporarily storing an air-powder mixture flowing from the powder receiving chamber, and a diluent air passage for in... | 07/22/2003 |
| 6592192 | Brake fluid pressure control system In a brake pressure control system for ABS control, traction control or vehicle motion control, a control unit controls each of pressure control solenoid valves in a PWM (pulse width modulation) control mode to prevent pulsation in the wheel cylinder pres... | 07/15/2003 |
| 6579207 | Hydraulic control method of an automatic transmission and apparatus thereof A hydraulic pressure is supplied to friction engagement elements in the release state to discharge air in the hydraulic circuit when a delivery amount of a hydraulic pump exceeds a predetermined value and when an oil amount required to be supplied to fric... | 06/17/2003 |
| 6578817 | Solenoid valve A solenoid valve includes a moving part, a plunger of magnetic material having one end facing an end face of the moving part, and a protrusion formed at the one end of the plunger and abutting on the end face of the moving part. During energization, a mag... | 06/17/2003 |
| 6575128 | Variable-valve-actuation apparatus for internal combustion engine In a VVA apparatus, when an actual lift amount detected by a lift-amount detecting sensor exceeds a basic lift-amount target value by a predetermined value or more, ECU corrects a lift phase through a lift-phase varying mechanism to separate from a piston... | 06/10/2003 |
| 6568499 | Power steering system for vehicles A power steering system is provided which comprises a bypass conduit connecting between first and second communication conduits and having bypass conduit ports. A pair of valves disposed in the bypass conduit for selectively opening and closing the bypass... | 05/27/2003 |
| 6568361 | Valve operating device for internal combustion engines A valve operating device for an internal combustion engine enabling both valve timing and valve lift characteristic to be varied depending on engine operating conditions includes intake and exhaust camshafts, an eccentric cam fixed to a first one of the i... | 05/27/2003 |
| 6568550 | Plastic container and method for producing the same A plastic container is constituted by upper and lower tank members and a filter. The filter has a cylinder portion, upper and lower flanges fixed to both ends of the cylinder portion respectively. The upper flange of the filter has a cylindrical flange po... | 05/27/2003 |
| 6561148 | Variable valve mechanism of internal combustion engine A swing cam to actuate engine valves is rotatably disposed about a drive shaft. A first eccentric cam is tightly disposed on the drive shaft. A ring-link is rotatably disposed on the first eccentric cam. A second eccentric cam is tightly disposed on a con... | 05/13/2003 |
| 6561149 | Rotary phase controller, and valve timing controller of internal combustion engine A rotary phase controller includes: a permanent magnet block, a yoke block, and an electromagnetic coil block. The permanent magnet block has a constitution where different magnetic pole surfaces are alternately arranged. The yoke block includes yokes. Th... | 05/13/2003 |
| 6557425 | Torque sensor A torque sensor is comprised of a torque detection coil for detecting a torque generated between an input shaft and an output shaft by detecting a change of a relative rotational position between a cover member fixed to the input shaft and a covered membe... | 05/06/2003 |
| 6554713 | Coupling for coupling two shafts A coupling for coupling first and second shafts is described. The coupling comprises an annular unit including a plurality of annular metal plates which are put on one another, a first group of bolt bores formed through the annular unit, a second group of... | 04/29/2003 |
| 6550437 | Variable-valve-actuation apparatus for internal combustion engine A VVA apparatus for an internal combustion engine includes a intake valve, and an alteration mechanism which variably controlling lift characteristics of the intake valve in accordance with the engine operating conditions, wherein the valve lift character... | 04/22/2003 |
| 6547046 | Hydraulic damper A hydraulic damper includes a friction member arranged inwardly with respect to a seal member and mounted to one of a cylinder and a piston rod. The friction member slidably contacts another of the cylinder and the piston rod to produce friction greater t... | 04/15/2003 |
