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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Nakamura; Norihiko
Address:
Mishima, JP
No. of patents:
69
Patents:


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Patent Number Title Of Patent Date Issued
8585996 Ammonia synthesis process November 19, 2013
The invention provides a process for efficient synthesis of ammonia. The process includes a water-splitting step in which water is decomposed to obtain a first source gas comprising hydrogen and oxygen, a first oxygen removal step in which the oxygen contained in the first source gas is
8561578 Hydrogen generator and internal combustion engine provided with hydrogen generator October 22, 2013
A hydrogen generator provided with a cracker which cracks a compound containing hydrogen atoms and nitrogen atoms to generate hydrogen, a compound feeder which feeds the compound to the cracker, and an oxygen feeder which feeds oxygen to the cracker. The cracker includes catalyst par
8272216 Method for converting solar thermal energy September 25, 2012
[Subject] The subject is to provide a method of converting solar energy into the transportable and stockable secondary energy [Means for Solving the Problem] There is provided a method of converting solar thermal energy obtained in a first region into motive power energy used in a se
6237504 Guideway transit system and automated vehicle used in this system May 29, 2001
A guideway transit system which can reduce a scale of an infrastructure while maintaining ride comfort for passengers of a vehicle is provided. The guideway transit system includes a noncontact vehicle guiding system and a contact vehicle guiding system. The noncontact vehicle guiding
5848581 Fuel injection controller for use in an internal combustion engine December 15, 1998
A diesel engine has a fuel injection nozzle to which pressurized fuel is supplied from a pump. The nozzle has a pressure sensor detecting the fuel pressure and a lift sensor sensing a lift magnitude of a needle valve. An electronic control unit (ECU) computes a variation ratio of the fue
5768887 Direct injection type compression ignition engine and method of use June 23, 1998
A compression ignition engine comprising a fuel injector arranged in the combustion chamber. Fuel containing oxygen is used as the fuel injected from the fuel injector to the combustion chamber. The mean air-fuel ratio in the combustion chamber is feedback controlled to a stoichiometric
5697338 Fuel injection controller for use in an internal combustion engine December 16, 1997
A diesel engine has a fuel injection nozzle to which pressurized fuel is supplied from a pump. The nozzle has a pressure sensor detecting the fuel pressure and a lift sensor sensing a lift magnitude of a needle valve. An electronic control unit (ECU) computes a variation ratio of the fue
5497744 Fuel injector with an integrated spark plug for a direct injection type engine March 12, 1996
A fuel injector with an integrated spark plug for a direct injection type engine capable of adequate fuel injection and adequate spark discharge, even if it becomes very hot because the end part of device is exposed in a combustion chamber and a spark discharge is induced there. An elect
5485822 Fuel injection controller for use in an internal combustion engine January 23, 1996
A diesel engine has a fuel injection nozzle to which pressurized fuel is supplied from a pump. The nozzle has a pressure sensor detecting the fuel pressure and a lift sensor sensing a lift magnitude of a needle valve. An electronic control unit (ECU) computes a variation ratio of the fue
5271362 Two-stroke engine December 21, 1993
A two-stroke engine comprising a spark plug arranged at the center of the inner wall of the cylinder head, and a fuel injector arranged on the periphery of the inner wall of the cylinder head. A depression extending from the point beneath the spark plug to the point beneath the tip porti
5259348 Direct injection type engine November 9, 1993
An internal combustion engine comprising a spark plug arranged at the center of the inner wall of the cylinder head, and a fuel injector arranged on the periphery of the inner wall of the cylinder head. A depression is formed on the top face of the piston. This depression is defined
5230312 Two-stroke engine July 27, 1993
A two-stroke engine comprising three exhaust valves and two intake valves. These exhaust valves and these intake valves are arranged on the peripheral portion of the inner wall of the cylinder head, and one additional intake valve is arranged on the central portion of the inner wall
5141164 Fuel injector August 25, 1992
A fuel injector comprising a needle valve and a stop member cooperating with the needle valve. The stop member selectively controls the maximum amount of lift of the needle valve to provide a smaller maximum lift or a larger maximum lift thereof whereby, when the required amount of fuel
5140958 Two-stroke engine August 25, 1992
A two-stroke engine including a pair of intake valves. A masking wall is provided for each intake valve to mask the valve opening between the valve seat and the peripheral portion of the intake valve, which is located on the exhaust valve side, for the entire time for which the intake va
5127379 Internal combustion engine July 7, 1992
An internal combustion engine comprising a spark plug arranged at the center of the inner wall of the cylinder head, and a fuel injector arranged on the periphery of the inner wall of the cylinder head. A depression extending from the position beneath the spark plug to the position b
5115774 Internal combustion engine May 26, 1992
An internal combustion engine having an air blast valve which injects fuel together with pressurized air in the form of a conical shaped spray of fuel. A depression is formed on the top face of the piston, and the conical shaped spray of fuel is injected from the air blast valve toward
5070834 Diesel engine with a precombustion chamber December 10, 1991
A diesel engine comprising a plurality of cylinders each having a precombustion chamber and a fuel injector. A first camshaft for driving intake valves and a second camshaft for driving exhaust valves are arranged on the cylinder head and extended in parallel to the longitudinal axis
5063886 Two-stroke engine November 12, 1991
A two-stroke engine having an intake valve and an exhaust valve arranged on an inner wall of the cylinder head, an intake passage connected to the cylinder via the intake valve, a fuel injection device arranged in the cylinder, for injecting fuel into the cylinder, a pressure regulator f
4995347 Intake device of a two stroke engine with supercharger bypass passage February 26, 1991
A two stroke engine equipped with a mechanically driven supercharger in the intake passage downstream of throttle valve. A bypass air passage bypassing the supercharger is provided, and a bypass air control valve is arranged in the bypass air passage. When the engine is idling, the bypas
4962745 Fuel supply device of an engine October 16, 1990
A fuel supply device comprising an air compressor for supplying pressurized air to an air blast valve via a pressurized air passage, an oil supply device for supplying oil in an engine crankcase to the compressor, and an oil separator arranged in the pressurized air supply passage to sep
4840147 Combustion chamber of a two-stroke engine June 20, 1989
A two-stroke engine having an intake valve and an exhaust valve which are arranged on the cylinder head. A masking wall is formed on the inner wall of the cylinder head to mask the valve opening between the valve seat and the peripheral portion of the intake valve, which is located on th
4821686 Two-stroke internal combustion engine with cylinder head valves April 18, 1989
A two-stroke internal combustion engine comprising a cylinder head 14 having combustion chambers 18 with two intake valves 24 and two exhaust valves 26 arranged therein. Two intake manifolds 30 and 32, respectively, have branch pipes connected to each respective intake port 24. An intake
4781154 Two-cycle internal combustion engine November 1, 1988
A two-cycle internal combustion engine having three, or a multiple of three, cylinders comprises a cylinder head having an intake port and exhaust port opened to a combustion chamber, to which fresh air compressed by a supercharger is introduced via an intake valve. The intake and ex
4732124 Two-cycle internal combustion engine March 22, 1988
A two-cycle internal combustion engine comprises a cylinder head having an intake port and exhaust port opened to a combustion chamber, to which compressed fresh air is introduced via an intake valve. The intake and exhaust valves are operated in response to a crank angle. A pulsation
4732118 Two-cycle internal combustion engine March 22, 1988
A two-cycle internal combustion engine comprises a cylinder head having an intake port and two exhaust ports opened to a combustion chamber, to which compressed fresh air is introduced via an intake valve. The intake valve and two exhaust valves are operated in response to a crank angle.
4732117 Two-cycle internal combustion engine March 22, 1988
A two-cycle internal combustion engine comprises a cylinder head having an intake port and exhaust port opened to a combustion chamber, to which compressed fresh air is introduced via an intake valve. An inclined concavity is formed on a top face of a piston. An exhaust valve is opened
4732116 Two-cycle internal combustion engine March 22, 1988
A two-cycle internal combustion engine comprises a cylinder head having two intake ports and an exhaust port opened to a combustion chamber, to which compresses fresh air is introduced via two intake valves. The intake and exhaust valves are operated in response to a crank angle. During
4594992 Supercharger of an internal combustion engine having Roots pump June 17, 1986
A supercharger of an internal combustion engine having a Roots-type pump comprising; a pair of rotors rotatably mounted in a pump housing so as to rotate synchronously in opposite directions to suck air from an air inlet and discharge it through an air outlet. The pump housing defines an
4591170 Cylinder head gasket having metal core web with hooks May 27, 1986
A cylinder head gasket arranged between a cylinder head and a cylinder block in an internal combustion engine. The cylinder head gasket has a core web of steel with hooks arranged between facing sides of a pair of gasket plates made of a heat resistant resilient material, such as asb
4562012 Variable venturi type carburetor December 31, 1985
In a variable venturi type carburetor having a slow speed system, a fuel vapor conduit is provided, an inlet of which is open to a main fuel passage, an outlet of which is open to an intake passage. Fuel vapor occurring in the main fuel passage is carried through the fuel vapor condu
4561390 Variable valve-timing apparatus in an internal combustion engine December 31, 1985
An apparatus for controlling valve timing in an internal-combustion engine. The apparatus includes a pair of telescoping sleeve members. One of the sleeve members is connected to the camshaft of the engine with a bolt, and the other sleeve member is connected to a timing pulley which is
4545350 Fuel controller of variable choke carburetor October 8, 1985
A fuel controller has a fuel cut-off device in the form of a solenoid valve connected to an intermediate part of an air bleed commmunicating with the well of a variable choke carburetor. The fuel controller also employs a vacuum changeover valve which communicates with the engine intake
4535735 Multi-gap spark ignition system August 20, 1985
A multi-gap spark ignition system is disclosed. The system comprises a plurality of spark gaps which are formed in series. The length of the spark gaps increases from the high voltage power source side towards the earth side. According to the present invention, necessary voltage to be
4512312 Variable venturi-type carburetor April 23, 1985
A variable venturi-type carburetor comprising a metering jet and at least one air-bleed bore formed on the cylindrical inner wall of the metering jet. The amount of air fed into the fuel passage of the carburetor from the air-bleed bore is controlled by an output signal from the oxygen
4500476 Variable venturi type carburetor February 19, 1985
In a variable venturi type carburetor having a slow speed system, a fuel vapor conduit is provided, an inlet of which is open to a main fuel passage, an outlet of which is open to an intake passage. Fuel vapor occurring in the main fuel passage is carried through the fuel vapor condu
4498431 Variable valve-timing apparatus in an internal-combustion engine February 12, 1985
An apparatus for controlling valve timing in an internal-combustion engine. The apparatus includes a pair of coaxial sleeves, one inserted into the other. One of the sleeves is connected to a camshaft of the engine, and the other sleeve is connected to a timing pulley which is connected
4494496 Variable valve-timing apparatus in an internal-combustion engine January 22, 1985
An apparatus for controlling valve timing in an internal-combustion engine. The apparatus includes a pair of sleeves inserted into each other. One of the sleeves is connected to the camshaft and the other sleeve is connected to a timing pulley which is connected to the crankshaft. One of
4494495 Variable valve-timing apparatus in an internal combustion engine January 22, 1985
An apparatus for controlling valve timing in an internal combustion engine. The apparatus includes a pair of sleeves inserted into each other. One of the sleeves is connected to a camshaft of the engine. The other sleeve is connected to a timing pulley which is connected to the crankshaf
4493804 Variable venturi-type carburetor January 15, 1985
A variable venturi-type carburetor comprising a suction piston which has a tip face. A raised wall is formed on the inner wall of the intake passage, which faces the tip face of the suction piston. The raised wall has a substantially straight extending tip edge. The inner wall of the int
4491550 Variable venturi type carburetor January 1, 1985
A variable venturi-type carburetor comprising a suction piston which has a tip face defining a venturi portion. The tip face has a flat upstream end portion. A raised wall is formed on the inner wall of an intake passage, which faces the tip face of the suction piston. The raised wall ha
4477392 Variable venturi-type carburetor October 16, 1984
A variable venturi-type carburetor comprising a vacuum chamber and an atmospheric pressure chamber which are separated by a suction piston. A needle is mounted on the central portion of the tip face of the suction piston. A suction hole, interconnecting the vacuum chamber to a venturi
4472326 Variable venturi-type carburetor September 18, 1984
A variable venturi-type carburetor comprising a fuel passage which is open to an intake passage. An air bleed passage is connected to the fuel passage. The carburetor comprises an air bleed control valve device for controlling the flow area of the air bleed passage. The air bleed control
4470392 Multi-gap spark ignition device for engine September 11, 1984
A multi-gap spark ignition device to be installed in a spark ignition engine, is disclosed. The device comprises a metallic base member provided with a hole which forms one portion of the combustion chamber of the engine. Within the wall defining the hole, a high voltage electrode, a
4465952 Spark plug for internal combustion engines August 14, 1984
A spark plug for internal combustion engines has center and grounded electrodes having surfaces disposed adjacent to a spark gap between the electrodes and directed to but spaced from each other and also have side faces converging toward the spark gap. Each of the electrodes is provided
4465642 Variable venturi-type carburetor August 14, 1984
A variable venturi-type carburetor comprising a suction piston which has a tip face having an upstream end portion. A raised wall is formed on the inner wall of the intake passage. The upstream end portion of the suction piston cooperates with the tip edge of the raised wall to restrict
4464311 Variable venturi-type carburetor August 7, 1984
A variable venturi-type carburetor comprising a suction piston which has a tip face defining a venturi portion. The tip face has a needle-mounting face at the center thereof, and a metering needle is fixed onto the needle-mounting face. The tip face also has a projecting tip face portion
4460518 Device for controlling the operation of a carburetor July 17, 1984
A control device comprising a push rod and a wax valve actuating the push rod in response to the temperature of the cooling water of an engine. The push rod is connected to the throttle valve of the carburetor so that the degree of opening of the throttle valve becomes smaller as the tem
4459243 Variable venturi-type carburetor July 10, 1984
A variable venturi-type carburetor comprising a suction piston which has a tip face defining a venturi portion. The tip face has a projecting tip face portion located upstream of the needle and projecting toward the venturi portion. A groove, extending along the axis of the intake passag
4450117 Variable venturi-type carburetor May 22, 1984
A variable venturi-type carburetor comprising a suction piston, a fuel passage, and a needle fixed onto the suction piston and extending through the fuel passage. An air bleed passage is connected to the fuel passage. During engine starting, before the engine begins to rotate by its own
4444695 Variable venturi carburetor April 24, 1984
A variable venturi carburetor according to this invention is so arranged that during low load operation with a small degree of opening of the throttle valve, the suction piston is moved forward corresponding to a reduced amount of suctioned air to make a width of the venturi portion
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