internal (Total 268601 Patents Found)

In the case of a cooling system for an internal-combustion engine of a motor vehicle comprising a radiator and a thermostatic valve equipped with an electrically heatable expansion element, it is provided that, by means of three comparison stages which are connected in parallel, specifically a speed comparison stage, a...
An oil spill retrieval vessel has an influent for collecting oil and seawater that forms an oil spill or slick. The vessel has an interior that contains the skimmed oil and water and separates the oil within the vessel and underwater. A plurality of separator surfaces inside the vessel and below water surface are verti...
In ignition timing control system for an internal combustion engine, a knocking detector is provided to detect knockings of the engine, and a control unit responsive to the knocking signals of the knocking detector to provide a variable retard amount signal per one knocking which depends on whether the occurrence of an...
A process for adjusting the boost pressure in an internal-combustion engine, supercharged by an exhaust-gas turbocharger with adjustable turbine diffuser, to a predetermined desired boost-pressure value dependent on the operating point. To improve the efficiency of the internal-combustion engine in the non-steady-state...
A virtual internal cavity inspection system non-invasively provides images of cavities of a subject from a viewpoint within the cavity. An acquisition unit acquires imaging information about internal structures of a subject. This imaging information is segmented into separate structures, and a 3D surface model is const...
A method of manufacturing a cold rolled steel sheet includes the steps of preparing, as a material, a steel whose composition consists of C: 0.004 wt % or less, Si: 0.10 wt % or less, Mn: 0.50 wt % or less, Ti: between 0.01 wt % and 0.10 wt %, Nb: between 0.003 wt % and 0.03 wt %, B: between 0.001 wt % and 0.004 wt %, ...
A fuel supply control method for multicylinder internal combustion engines, includes calculating the quantity of fuel being supplied to the engine in response to operating conditions of the engine, and sequentially supplying quantities of fuel corresponding to the calculated values into respective corresponding ones of...
An internal combustion engine equipped with at least one exhaust gas turbocharger whose compressor is connected by way of a charging pressure line to a suction manifold of the engine and whose turbine is inserted into an exhaust gas line coming from an exhaust gas manifold. A controllable blow-off valve (waste gate) is...
Several embodiments of starting fuel supply devices for internal combustion engines wherein starting fuel is supplied to the engine in response to operation of the engine starter motor. In some embodiment, the amount of fuel supplied is varied by either a variable valve or a variable pump and in another embodiment the ...
An electronic control system for internal combustion engines wherein the duration of injection is proportional to a regulating voltage controlled by at least one operative parameter of the engine. To this end an input voltage defined by a succession of sides of a polygon is subjected to a plurality of transistorized ci...
A rotary piston internal combustion engine of trochoidal construction which includes a housing casing with hollow spaces for a cooling media disposed between housing inner and housing outer walls, whose outer wall is provided with a cooling medium channel; a polygonal piston rotates within the housing casing and slides...
A fuel-injection engine with prechamber-torch ignition is of particular advantage in vehicular transport. In this engine, an injector nozzle and a nozzle connecting the precombustion chamber with the combustion chamber are arranged opposite to each other, a channel providing for additional communication between the pre...
In an arrangement having an air-mass meter for an internal combustion engine, the measurement place of the air-mass meter is arranged within a flow channel which substantially circularly surrounds a hollow space connected with an intake opening of the internal combustion engine, said hollow space adjoining the interior...
An engine comprising an intake port which has a separating wall projecting downwardly from the upper wall of the intake port. The separating wall defines a helical portion, an inlet passage portion tangentially connected to the helical portion, and a bypass passage interconnecting the inlet passage portion to the helic...
A device for air flow rate measurement in the air intake tube of an internal combustion engine which has at least two temperature-dependent resistors in different branches of a bridge circuit having closed-loop electric current control, and which is characterized in that the temperature-dependent resistors are embodied...
A variable compression ratio mechanism of a reciprocating engine includes at least an upper link connected at one end to a piston pin and a lower link connecting the other end of the upper link to a crankpin. At top dead center, when hypothetical connecting points between the upper and lower links are able to be suppos...
An assembly of auxiliary equipment for a water-cooled internal combustion engine having an oil pump, a water pump and an oil cooler/oil filter unit, wherein the oil pump, water pump and oil cooler/oil filter unit are provided as separate interchangeable subassemblies and are combined and interconnected into a construct...
To obtain higher current yield from ion current measurable across the electrodes of a spark plug upon application of a biasing potential thereto, occurring immediately after an ignition event due to ionization of burning hydrocarbons within the combustion chamber of an internal combustion engine (ICE), the polarity of ...
A control system for an internal combustion engine equipped with a catalytic converter including an exhaust gas purifying catalyst. The control system comprises a catalyst deterioration diagnosing device for diagnosing the deterioration condition of the catalyst. The operation of the catalyst deterioration diagnosing d...
An internal voltage conversion circuit for a DRAM wherein a voltage level of an internal power supply is regulated by an external signal applied to the DRAM pins after packaging to perform reliability tests. The internal voltage conversion circuit includes a test mode signal generator, for generating a test mode signal...
A method for estimating the end-of-stroke positions of moving members of electromagnetic actuators for the actuation of intake and exhaust valves in internal combustion engines in which an actuator is coupled to a respective intake or exhaust valve and comprises a moving member actuated magnetically in order to control...
A heat insulating ceramic insert-cast article for an internal combustion engine, comprising a ceramic liner and a metallic member enclosing an outer periphery of the ceramic liner. The ceramic liner is adapted to contact exhaust gases. A joint boundary between the ceramic liner and the metallic member is constituted by...
In the anti-pollution structure with a fuel economizing fuel feed and exhaust system for an internal combustion engine of the present invention an air blower is positively driven from the fan pulley and provides a supply of air to an exhaust heated heat exchanger with a portion of the air flowing into a plurality of ex...
An air/fuel control system for an engine (10) provides an air/fuel indicating signal linearly related to average engine air/fuel operation from a two-state exhaust gas oxygen sensor (76). Fuel delivered to the engine is modulated with a periodic or modulation signal (244). The modulation signal is offset in either a fu...
A direct fuel injection internal combustion engine configured to reduce engine knock during high speed operation of the engine is provided. The engine comprises a cylinder head including a lower surface portion closing an upper end of a cylinder to define a combustion chamber between a piston upper surface and the cyli...
An object of the present invention is to provide a hot-electrical-resistance type gas flow meter wherein a deterioration of a gas-cooled hot-electrical-resistance is prevented at the maximum flow rate, a decrease of sensitivity is prevented at the minimum flow rate and a wide dynamic range is achieve, and a structural ...
A motor has a rotatably supported rotor shaft and a rotator that rotates together with the rotor shaft. The rotator includes a shaft insertion section that has an internal peripheral surface and a specified length in an axial direction in which the rotor shaft is inserted. The internal peripheral surface has a first in...
A memory management control device and a memory management control method capable of preventing run away of an image processing apparatus caused by a rewrite to a memory, are provided. In rewriting a program stored in a flash memory 402 of a controller 400 included in an image processing apparatus, an operating state d...
A method of preparing ceramic monolithic structures with an internal cavity and passageways is described. A thin sheet of a ceramic material is formed by spreading the material on a glass plate with a doctor blade. Individual sheets of the material are cut or punched to form predetermined holes, channels or various sha...
A reference voltage generating circuit and a standby down-converting circuit or a tuning circuit are located in the periphery of the region where a semiconductor device is formed on a semiconductor chip, and a region including an active down-converting circuit which operates during an active cycle or a drive circuit is...
An inexpensive, PCMCIA-based radio transceiver is provided that interfaces to a separate baseband modem, which may itself be PCMCIA-based or may be an internal modem of a notebook computer. Together, the PCMCIA-based radio transceiver and the baseband modem realize a wireless modem. In order to miminize cost and increa...
The AC signal generator furnishing the basic control signal for ignition timing is a Hall generator the flux through which is gradually increased while the crankshaft of the engine rotates through a predetermined angle of rotation. The Hall generator is part of a magnetic circuit which also includes an air gap. The cha...
A device for purifying exhaust gas includes an HC adsorbent and an exhaust gas purifying catalyst disposed in an exhaust gas passage in this order from the upstream side. The exhaust gas purifying catalyst is provided with an O 2 storage capability, i.e., the exhaust gas purifying catalyst is capable of absorbing oxyg...