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Patent # Description
US-9,689,350 System and methods for mechanical vacuum pump exhaust
A system for an engine is provided, the system comprising a vacuum pump at least partially deposed within an engine crankcase, and a fuel vapor canister coupled...
US-9,689,349 Fuel evaporative emission control apparatus
A fuel evaporative emission control apparatus executes a first leak presence/absence determination for determining the presence or absence of leaks of fuel...
US-9,689,348 Control apparatus and control method for internal combustion engine
A control apparatus 57 is a 2-input, 2-output integral-type optimal servo system in which intake air amount and intake oxygen concentration are used as control...
US-9,689,347 Engine generating energy through physical and chemical energy conversions of a compressed gaseous fuel
An engine for propelling vehicles on land, in the air and on the water. The engine is able to extract energy from a same fuel twice, including extracting a...
US-9,689,346 Gas turbine engine convergent/divergent exhaust nozzle divergent seal with dovetail interface
A divergent flap seal includes a flap seal body with a spine, the flap seal body manufactured of a non-metallic material. A mount is engaged with the spine at...
US-9,689,344 Double-acting modular free-piston stirling machines without buffer spaces
Multiple free-piston stirling-cycle machine modules are connected together in double-acting configurations that may be used as engines or heat pumps and scaled...
US-9,689,343 Piston
A piston for an internal combustion engine may include an at least partially extending circumferential cooling duct for circulating a coolant. The coolant duct...
US-9,689,342 Methods and systems for adjusting a direct fuel injector
Systems and methods for improving fuel injection of an engine that includes a cylinder receiving fuel from a direct fuel injector are disclosed. In one example,...
US-9,689,341 Method and system for fuel system control
Methods and systems are provided for increasing a lift pump voltage to a high threshold voltage responsive to a DI pump efficiency being below a threshold...
US-9,689,340 Controller integrated fuel pump module
A controller integrated fuel pump module may include a receiving part formed on an outer surface of a flange assembled in a fuel tank, a PCB assembly configured...
US-9,689,339 Engine torque control with fuel mass
An engine assembly includes an internal combustion engine with an engine block having at least one cylinder. An intake manifold and an exhaust manifold are each...
US-9,689,338 Air-fuel ratio sensor control device
An air-fuel ratio sensor control device, connected with two-cell type air-fuel ratio sensor having electromotive force and oxygen pump cells with first to third...
US-9,689,337 Method and apparatus for controlling an internal combustion engine
A control apparatus for an engine, the control apparatus includes an ECU. The ECU is configured to: (i) estimate a characteristic value indicating divergence...
US-9,689,336 Engine system utilizing modal weighted engine optimization
An engine system is disclosed. The engine system may have an engine. The engine system may also have a sensor configured to generate a sensor signal indicative...
US-9,689,335 Engine mass air flow calculation method and system
A system and method for determining an engine mass air flow (MAF) for use in an engine air to fuel ratio (AFR) calculation to operate an engine includes...
US-9,689,334 Air intake system for an off-road vehicle
An air intake system includes a pre-cleaner having a plurality of tubes configured to receive a flow of air, to filter particulate material from the flow of...
US-9,689,333 Dual-fuel engine with enhanced cold start capability
A method for operating a dual-fuel engine. Embodiments include receiving sensor input information, including information representative of a temperature of the...
US-9,689,331 Method and apparatus to control fuel injection in an internal combustion engine
An internal combustion engine is coupled to an oxidation catalyst disposed upstream of a second catalytic device. A controller includes an instruction set...
US-9,689,329 Method for failure detection of injectors in an internal combustion engine, control unit and system for...
The invention relates to a method for detecting the failure of injectors in an internal combustion engine, comprising the following steps: measuring a crank...
US-9,689,328 Multi-level skip fire
In one aspect, a method for controlling operation of an internal combustion engine is described. The engine is operated in a skip fire manner such that selected...
US-9,689,327 Multi-level skip fire
In one aspect, a method for controlling operation of an internal combustion engine is described. The engine is operated in a skip fire manner such that selected...
US-9,689,326 Exhaust gas recirculation system with paired cylinders
The present disclosure provides for a vehicle engine having an EGR system where pairs of cylinders are directly connected to each other. For example, a first...
US-9,689,325 Evaporative fuel processing system
A purge pump is installed in a purge conduit, which forms a purge passage that communicates between an inside of a canister and an air intake passage. When a...
US-9,689,324 Vaporized fuel processing apparatus
A vaporized fuel processing apparatus has a closing valve provided in a vapor path connecting an adsorbent canister to the fuel tank, a pressure sensor...
US-9,689,323 Method for determining the water content of a mixed alcohol/gasoline fuel in an internal combustion engine, and...
Disclosed is a method for determination of the water content of a mixed alcohol/gasoline fuel in an internal combustion engine of a vehicle, which includes the...
US-9,689,322 System and method for sampling and processing mass air flow sensor data
A vehicle includes an engine having cylinders in fluid communication with an intake air flow, a mass air flow (MAF) sensor positioned with respect to the intake...
US-9,689,321 Engine torque control with combustion phasing
An engine assembly includes an internal combustion engine with an engine block having at least one cylinder and at least one piston moveable within the at least...
US-9,689,319 Power system having efficiency-based speed control
A power system is disclosed as having a power source, a transmission configured to receive a torque output from the power source and to drive a traction device,...
US-9,689,318 Equilibrating flow distributor
An equilibrating flow distributor for a gas turbine engine includes a balancing valve and multiple flow dividers, each with a movable valve or divider member....
US-9,689,317 System and method for operating a gas turbine
A system and method for operating a gas turbine include a controller that determines, for at least one combustion instability, a frequency; a quantification of...
US-9,689,316 Gas turbine engine overspeed prevention
A controller for a gas turbine engine is configured to respond to one or more prescribed engine overspeed conditions. Rather than shutting the engine down, the...
US-9,689,315 Full-area bleed valves
A bleed valve includes inlet and outlet housings, a hollow shaft defining a valve axis, and a full-area piston. The shaft includes a first end mounted to an...
US-9,689,314 Intermediate casing for turbomachine and accessory gearbox drive assembly
A turbomachine intermediate casing including an internal hub designed to accept a turbomachine compressor shaft, an outer shell ring, and a plurality of radial...
US-9,689,313 Dual-circuit modular injection tube
A turbomachine injection manifold assembly including a main circuit for feeding fuel to sets of injectors, and an auxiliary circuit for feeding fuel to a set of...
US-9,689,312 Gas turbine engine component
The invention concerns a gas turbine engine component (27) comprising an outer ring (21), an inner ring (20), a plurality of circumferentially spaced elements...
US-9,689,306 Method for supercritical diesel combustion
A method for supercritical diesel combustion combines fumigation and supercritical diesel fuel combustion to effect greater fuel efficiency and reduce exhaust...
US-9,689,304 Cooling circuit for the thermal regulation of an engine independent from other consumers
A thermal regulation device for a cooling system of an engine that includes a pump positioned upstream from a cooling housing of the engine and at least one...
US-9,689,298 Integrated fuel catalyst monitor
A method is provided for monitoring an emission control device coupled to an engine. In one example approach, the method comprises, following a deceleration...
US-9,689,297 Exhaust-gas aftertreatment system with venturi exhaust passage devices
A Diesel Particulate Filter (DPF) system including a Venturi exhaust passage device, in which a temperature and a pressure in a high pressure passage are...
US-9,689,296 Exhaust purification device for internal combustion engine
A particulate filter arranged in an engine exhaust passage is provided with alternately arranged exhaust gas inflow and outflow passages and porous partition...
US-9,689,295 Method and system for exhaust gas heat recovery
Methods and systems are provided for exhaust gas heat recovery at an exhaust gas heat exchanger. Exhaust gas may flow in both directions through an exhaust...
US-9,689,294 Rotary-type exhaust heat recovery apparatus
A rotary exhaust heat recovery apparatus may include an exhaust gas pipe including a bypass path into which a high-temperature exhaust gas is introduced and...
US-9,689,293 Reductant delivery unit for automotive selective catalytic reduction with optimized fluid heating
A reductant delivery unit reduces nitrogen oxide (NOx) emissions from a vehicle. The delivery unit includes a solenoid operated fluid injector having a fluid...
US-9,689,292 Device and method for controlling urea injection system of diesel engine
Disclosed are an apparatus and a method for controlling a urea injection system of a diesel engine. The apparatus (200) comprises: an operation condition...
US-9,689,291 Pump purge for urea dosing system
According to one embodiment, a diesel exhaust fluid purging system includes a metering valve with a supply port and a delivery port. The purging system also...
US-9,689,290 Reductant mixing system for an exhaust gas after-treatment device
An after-treatment (AT) system for a flow of exhaust gas of an internal combustion engine includes a first AT device and a second AT device in fluid...
US-9,689,289 Engine-exhaust-system apparatus and package-type engine electric power generator
An engine-exhaust-system apparatus includes: a main body that reduces noise generated by exhaust gas; and an exhaust outlet tube that includes an insertion...
US-9,689,288 Oil pan and engine assembly including the oil pan
An engine assembly includes an oil pan including an oil pan body defining a cavity. The oil pan body includes a dividing wall separating the cavity into a first...
US-9,689,287 Bypass valve for a lubricating circuit of an internal combustion engine equipped with a cooler of a respective...
Bypass valve for a lubrication circuit of an internal combustion engine equipped with a cooler of a respective lubricating fluid, the valve comprising a tubular...
US-9,689,286 Camshaft phaser with position control valve
A camshaft phaser includes an input member connectable to the crankshaft of the internal combustion engine; an output member connectable to the camshaft of the...
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