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Internal Combustion Engine patents

      

This page is updated frequently with new Internal Combustion Engine-related patent applications.




new patent Motor driver of motor for valve timing control of internal combustion engine
A motor driver for driving a motor in a valve timing controller of an internal combustion engine, including an electronic driver unit (edu) that, upon receiving a target rotation cycle as the instructed rotation cycle, instructs a rotation controller to (i) calculate a duty value of a pulse width modulation (pwm) signal for driving the motor based on an instructed rotation cycle and an actual rotation cycle and (ii) output a calculation result of the duty value to a motor drive unit, with the rotation controller outputting, to the motor drive unit, an instruction signal that rotates the motor forward along an actual rotation direction, when the calculation result takes a positive value as a duty ratio of the pwm signal, establishing an accurate motor rotation speed control together with an improved responsiveness.. .
Denso Corporation


new patent Method and system of testing the proper functioning of a catalyzed particulate filter of an internal combustion engine
A method of testing the proper functioning of a catalyzed particulate filter of an internal combustion engine during regeneration of the catalyzed particulate filter is disclosed. A first value of an oxygen concentration in an exhaust gas upstream of the catalyzed particulate filter and a second value of an oxygen concentration in the exhaust gas downstream of the catalyzed particulate filter is measured during regeneration.
Gm Global Technology Operations Llc


new patent Ignition operating an ignition system for an internal combustion engine
A method for operating an ignition system for an internal combustion engine, including a first voltage generator and a bypass, is described. The bypass may include, for example, a boost converter for maintaining a spark generated with the aid of the first voltage generator.
Robert Bosch Gmbh


new patent Control device for internal combustion engine
A control device for an internal combustion engine includes a knock control system, a cooling system, and an electronic control unit. The knock control system is configured to ignite a spark plug an ignition crank angle obtained by retarding the ignition crank angle in response to an occurrence of the knocking.
Toyota Jidosha Kabushiki Kaisha


new patent Internal combustion engine
An ht cooling system cools at least a cylinder block with ht cooling water. An lt cooling system cools an intake port with lt cooling water that is at a lower temperature than the ht cooling water.
Toyota Jidosha Kabushiki Kaisha


new patent Method and apparatus to evaluate a starter for an internal combustion engine
An internal combustion engine including a starter is shown. A method for monitoring the starter includes determining electrical energy consumed by pinion and motor solenoids operative to activate and rotate a pinion gear of an electrically-powered motor meshingly engageable to a starter ring gear portion of a flywheel of the engine during an engine starting event.
Gm Global Technology Operations Llc


new patent Aspirator for internal combustion engine having integrated flow bypass and check valve
An aspirator for a brake system is provided having integrated functions of a flow bypass and a check valve for automotive applications to achieve various suction flow openings in response to different engine operating condition to enhance brake boost performance. The brake system includes a brake vacuum booster, an engine having an intake manifold, an aspirator having a movable total flow divergence nozzle, the aspirator being connected to the manifold, and a vacuum line connecting the booster to the aspirator.
Ford Global Technologies, Llc


new patent Remanufactured cylinder block for internal combustion engine
A cylinder block of an engine is provided. The cylinder block includes a top deck.
Caterpillar Inc.


new patent Method of controlling a fuel injection system during rail pressure sensor failure condition
A method of controlling the fuel rail pressure of a fuel injection system of an internal combustion engine is disclosed. A failure condition of a fuel rail pressure sensor is detected.
Gm Global Technology Operations Llc


new patent Method of diagnosing a fuel rail pressure sensor
A method is disclosed for diagnosing the reliability of a pressure sensor disposed in a fuel rail of an internal combustion engine. A control cycle is executed to measure a value of a fuel rail pressure with the pressure sensor, determine a first and a second threshold value of the fuel rail pressure, identify the measured value of the fuel rail pressure as reliable when the measured value is inside an interval of values ranging from the first threshold value to the second threshold value, and identify the measured value of the fuel rail pressure as unreliable when the measured value is outside that interval.
Gm Global Technology Operations Llc


new patent

Internal combustion engine

The internal combustion engine comprising: a catalyst arranged in an exhaust passage and able to store oxygen, a variable valve timing mechanism able to change a valve overlap amount between an intake valve and an exhaust valve, and a fuel supplying means for feeding fuel to the exhaust passage. The fuel supplying means feeds fuel to the exhaust passage only in an initial cycle after scavenging where valve overlap causes air to be expelled from an intake passage through a cylinder to the exhaust passage if such scavenging occurs..
Toyota Jidosha Kabushiki Kaisha

new patent

Systems and methods for engine air-path reversion management

Methods and systems are provided for injecting air from a compressed air source into an intake port of a miller cycle engine. In one example, a method may comprise positioning an intake valve, coupled to a cylinder of a four-cycle internal combustion engine, in an open position during a portion of an intake stroke through a portion of a compression stroke of a piston reciprocating within said cylinder.
Ford Global Technologies, Llc

new patent

Exhaust tract for an internal combustion engine

An exhaust tract for an internal combustion engine, having an exhaust turbine having a housing and a turbine flow duct, into which exhaust gas flow coming from the engine flows, a wastegate, by which a proportion of the exhaust gas can bypass the turbine rotor, the turbine flow duct ducting the exhaust gas flow via the turbine rotor, and the wastegate on a discharge side of the exhaust turbine. The exhaust turbine-side outlet chamber is subdivided into a first exhaust turbine-side turbine exhaust gas flow inlet area, into which the exhaust gas flow coming from the turbine rotor flows, and a second exhaust turbine-side wastegate exhaust gas flow inlet area flow-separated from the first inlet area.
Man Truck & Bus Ag

new patent

Carburetor for two-stroke internal combustion engine

A carburetor for a two-stroke internal combustion engine whereby airtightness is maintained and intake of uncombusted fuel into an air path is prevented. The carburetor includes a circular cylindrical valve hole and a rotary valve fitted into the valve hole such that it can rotate and is disposed perpendicularly across a fuel intake path and an air intake path which are formed substantially parallel with respect to each other, and a fuel supply-side bore which controls the flow rate along the fuel intake path and the air supply-side bore which controls the air capacity along the air path pass through part of the cylindrical portion perpendicularly to the axial direction of the rotary valve, and annular recesses formed in part of a circumferential wall of an outer circumference of the rotary valve so as not to correspond to at least the fuel supply-side bore and the air supply-side bore..
Zama Japan Kabushiki Kaisha

new patent

Liquid-cooled internal combustion engine

The invention relates to a liquid-cooled internal combustion engine (1), comprising: at least one cylinder block (2), which is connected to at least one cylinder head (3); at least one first cooling jacket (4) in the cylinder block (2) and at least one second cooling jacket (5) in the cylinder head (3), wherein the first and the second cooling jackets (4, 5) are arranged in a coolant circuit and are connected to each other with regard to flow; and at least one control element arranged in the coolant circuit. In order to achieve the same flow conditions in the cylinder head in every operating range of the internal combustion engine, the control element according to the invention is formed by a switching device (8), which blocks a bypass flow path (12) far the first cooling jacket (4) and opens a coolant inlet (11) of the first cooling jacket (4) in a first switching position (a) such that in the first switching position (a) the entire coolant is conducted through both cooling jackets (4, 5) in series, and which blocks the coolant inlet (11) of the first cooling jacket (4) and opens the bypass flow path (12) for the first cooling jacket (4) in a second switching position (b) such that in the second switching position (b) the entire coolant is conducted only through the second cooling jacket (5) while the first cooling jacket (4) is bypassed..
Avl List Gmbh

new patent

Exhaust gas post treatment device

An exhaust gas post-treatment system for purifying exhaust gas from an internal combustion engine, and to a corresponding method. The system includes a particle filter, a device having catalytic oxidation function, and at least one mixing chamber which are combined to form a constructive unit..
Robert Bosch Gmbh

new patent

Method for checking a temperature sensor in an scr exhaust gas post-treatment system

The present disclosure describes a method for checking the signal of a temperature sensor in an exhaust-gas aftertreatment system for an internal combustion engine. The method may include: in an operating state which does not require heating of the reducing agent, activating the heating device for the purposes of checking the temperature sensor; determining whether the signal of the temperature sensor changes by a predefined expected value (Δt) within a predefined time period (Δt2); provisionally identifying the temperature sensor as fault-free if it does; deactivating the heating device; determining whether the signal of the temperature sensor reaches the start temperature (t0) again within a time period (Δt3); and confirming the temperature sensor as fault-free if it does..
Continental Automotive Gmbh

new patent

Internal charge air feed from rocker cover integrated intake runners

A high pressure charge air feed arrangement for an internal combustion engine is provided. The arrangement includes an intake having a high pressure output, a rocker cover having an intake runner defining a high pressure charge flow path, and a gas and oil separator having a flow accelerator with input and output sides.
Ford Global Technologies, Llc

new patent

Borated polyol ester of hindered phenol antioxidant/friction modifier with enhanced performance

Lubricating oil compositions and additive concentrates comprising above compounds, and methods for operating an internal combustion engine using said lubricating oil compositions are also disclosed.. .

new patent

Aircraft propulsion system

An aircraft propulsion system includes at least first and second propulsor arrangements. Each propulsor arrangement includes an internal combustion engine configured to mechanically drive a plurality of propulsors.
Rolls-royce Plc

new patent

Control device for vehicle driving device

A control device for a vehicle driving device which controls the vehicle driving device provided with a particular engagement device, a rotary electric machine, and a transmission apparatus disposed in a power transmission path coupling an internal combustion engine with wheels in order from the internal combustion engine side, wherein the transmission apparatus includes a plurality of engagement devices, and selectively forms a plurality of transmission shift stages different in transmission shift ratio according to a state of engagement of the plurality of engagement devices.. .
Aisin Aw Co., Ltd.

new patent

Power supply device for an electrically operable vehicle and charging method

The disclosure relates to a power supply device for an electrically operable vehicle having an electric drive motor. The power supply device comprises an electric energy accumulator device, a range-extender with an internal combustion engine and a generator producing alternating current.
Robert Bosch Gmbh

new patent

Automatic manual transmission for a hybrid car provided with an internal combustion engine and with an electrical machine

An automatic manual transmission for a hybrid vehicle provided with an internal combustion engine and with an electrical machine. The automatic manual transmission has: a servo-assisted mechanical gearbox; a differential gear, which transmits the motion to driving wheels; a clutch; a servo-assisted drive device with a variable gear ratio; an auxiliary shaft, along which the electrical machine is mounted; a drive shaft connecting the differential gear to the servo-assisted drive device, which is arranged immediately downstream of the gearbox and directly receives the motion from a secondary shaft of the gearbox; a first connectable/disconnectable and servo-assisted connection device, which is suited to connect the auxiliary shaft to the drive shaft; and a second connectable/disconnectable and servo-assisted connection device, which is suited to connect the auxiliary shaft to the secondary shaft of the gearbox..
Ferrari S.p.a.

new patent

Temperature control systems with thermoelectric devices

Temperature control systems and methods can be designed for controlling the interior climate of a vehicle or other the climate of another desired region. The temperature control system for a vehicle can have a thermoelectric system providing heating and/or cooling, including supplemental heating and/or cooling.
Gentherm Incorporated

new patent

System for the purification of exhaust gas from an internal combustion engine

An exhaust gas cleaning system, comprising an active regenerable particulate filter and an scr catalyst comprising a hydrothermally microporous stable zeolite having the aei type framework and being promoted with copper, where the zeolite is ssz-39.. .
Haldor Topsøe A/s

new patent

Filter, filter element, and filter housing

Disclosed is a filter (10) for liquid fluid, in particular lubricant, particularly motor oil, or fuel, in particular of an internal combustion engine, a filter element (16) and a filter housing (12). The filter housing (12) has at least one inlet (24) for fluid to be cleaned and at least one outlet (22) for cleaned fluid.
Mann+hummel Gmbh



Internal Combustion Engine topics:
  • Internal Combustion Engine
  • Combustion
  • Exhaust Gas
  • Storage Device
  • Regenerate
  • Downstream
  • Fluidically
  • Diesel Particulate Filter
  • Oxygen Storage Capacity
  • Hydrocarbon
  • Exhaust Gas Turbocharger
  • Charge Air Cooler
  • Circulation
  • Air Fuel Ratio
  • Activated Carbon


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    This listing is a sample listing of patent applications related to Internal Combustion Engine for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Internal Combustion Engine with additional patents listed. Browse our RSS directory or Search for other possible listings.


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