Patent application number | Description | Published |
20090118977 | CYLINDER FUELING COORDINATION FOR TORQUE ESTIMATION AND CONTROL - An engine control system comprises a torque control module and a fueling control module. The torque control module selectively generates a deactivation signal for a first cylinder of a plurality of cylinders of an engine based on a torque request. The fueling control module halts fuel delivery to the first cylinder based on the deactivation signal. The torque control module increases a spark advance of the engine at a first time after the fueling control module halts fuel injection for the first cylinder. The first time corresponds to an initial time combustion fails to occur in the first cylinder because fuel delivery has been halted. | 05-07-2009 |
20090150055 | VARIABLE ACTIVE FUEL MANAGEMENT DELAY WITH HYBRID START-STOP - A control system for a hybrid vehicle including an engine with cylinder deactivation comprises an engine time off module that determines an engine time off value. A re-purge determining module estimates a re-purge time required to purge a hydraulic control system of the engine of air before initiating cylinder deactivation. The re-purge time is estimated based on the engine time off value and an engine temperature. | 06-11-2009 |
20100042279 | METHOD FOR TORQUE MANAGEMENT IN A HYBRID VEHICLE EQUIPPED WITH ACTIVE FUEL MANAGEMENT - A control method for a hybrid powerplant includes receiving a pre-transition signal, and selectively adjusting a combustion torque of an engine of the powerplant between a first torque value and a second torque value prior to a deactivation transition period based on the pre-transition signal, wherein the second torque value is less than the first torque value. The method further includes selectively adjusting an electric drive torque of an electric machine of the powerplant prior to the deactivation transition period based on the pre-transition signal and the combustion torque. The selectively adjusting the electric drive torque includes adjusting the electric drive torque such that a sum of the combustion torque and the electric drive torque is equal to a desired drive torque of the powerplant during a pre-transition period prior to the deactivation transition period. A related control system is also provided. | 02-18-2010 |
20110088659 | SYSTEM AND METHOD FOR CONTROLLING TORQUE DURING ENGINE START OPERATIONS IN HYBRID VEHICLES - A control system for a hybrid vehicle that includes an internal combustion engine and an electric motor includes an engine speed control module, an air pressure control module, and an engine torque control module. The engine speed control module increases engine speed during a first calibration period based on a driver torque request and a predetermined torque threshold. The air pressure control module decreases intake manifold pressure (MAP) of the engine during a second calibration period based on the driver torque request and the predetermined torque threshold. The engine torque control module starts the engine during a period after the first and second calibration periods by activating N of M cylinders of the engine, wherein N is based on the driver torque request and the predetermined torque threshold. | 04-21-2011 |
20110264342 | FEED-FORWARD CAMSHAFT PHASER CONTROL SYSTEMS AND METHODS - An engine control system includes an inertia phase detection module, a feed-forward (FF) engine speed module, a FF APC module, a FF phaser postion module, and a phaser control module. The inertia phase detection module determines when an inertia phase of a gear shift is occurring within a transmission. The FF engine speed module predicts an engine speed for a future time when the inertia phase ends. The FF APC module predicts an air-per-cylinder (APC) for the future time based on the engine speed. The FF phaser position module determines a FF phaser position based on the engine speed and the APC. The phaser control module controls a camshaft phaser position based on the FF phaser position during the inertia phase of the gear shift. | 10-27-2011 |
20110270509 | FUEL CUTOFF TRANSITION CONTROL SYSTEMS AND METHODS - An engine control system includes a fuel cutoff (FCO) module, a fuel control module, and a spark control module. The FCO module, when a FCO event is disabled, determines a feed-forward (FF) number of cylinders to offset a delay period associated with supplying fuel to the cylinders of an engine and selectively maintains a FCO torque request at a predetermined torque. The fuel control module commands fuel be supplied to the FF number of cylinders of the engine when the FCO event is disabled. The spark control module maintains a spark timing of the FF number of cylinders at a fully retarded spark timing based on the FCO torque request. | 11-03-2011 |
20120109432 | SYSTEM AND METHOD FOR CONTROLLING AN ENGINE IN A HYBRID VEHICLE - A method is provided for controlling a hybrid electric vehicle. The vehicle includes at least one motor-generator, an internal combustion engine employing a camshaft and a camshaft phaser, and an energy-storage device operatively connected to the engine and to the at least one motor-generator. The method includes determining whether a deceleration of the vehicle is desired, and ceasing a supply of fuel to the engine when the deceleration is desired. The method additionally includes regulating the camshaft phaser to a predetermined fuel cut-off position when the supply of fuel to the engine has been ceased, such that a magnitude of compression pulses in the engine is reduced relative to when the engine is being fueled. A system for controlling the hybrid electric vehicle and for executing the above method is also provided. | 05-03-2012 |
20120296537 | SYSTEM AND METHOD FOR DECREASING ACCELERATION DISTURBANCE DURING TRANSMISSION UPSHIFTS - A control system for an engine includes a torque phase detection module, a torque request generation module, and an engine torque control module. The torque phase detection module detects a start of a torque phase of an upshift of a transmission coupled to the engine. The torque request generation module generates an engine torque request at the start of the torque phase of the transmission upshift. The engine torque control module controls engine torque during the torque phase of the transmission upshift based on the engine torque request. | 11-22-2012 |
20130080023 | SYSTEM AND METHOD FOR SECURING ENGINE TORQUE REQUESTS - A control system for an engine includes an engine torque request module, an engine torque response module, a torque command limit module, and an actuation module. The engine torque request module determines an engine torque request based on (i) an engine power request and (ii) a desired engine speed (DRPM). The engine torque response module determines first and second torque values based on (i) an engine torque response model and (ii) first and second torque boundaries, wherein the first and second torque boundaries are based on the DRPM and a measured engine speed (RPM). The torque command limit module generates a secured engine torque request based on (i) the engine torque request and (ii) the first and second torque values. The actuation module controls at least one actuator of the engine based on the secured engine torque request. | 03-28-2013 |
20150039190 | SYSTEM AND METHOD FOR CONTROLLING THE AMOUNT OF TORQUE PROVIDED TO WHEELS OF A VEHICLE TO IMPROVE DRIVABILITY - A system according to the principles of the present disclosure includes an axle torque determination module, an engine torque determination module, and an engine torque control module. The axle torque determination module determines an axle torque request based on a driver input and a vehicle speed. The engine torque determination module determines an engine torque request based on the axle torque request and at least one of a turbine speed and whether a clutch of a torque converter is applied. The engine torque control module controls an amount of torque produced by an engine based on the engine torque request. | 02-05-2015 |
Patent application number | Description | Published |
20090058397 | Apparatus for Verifying a Low Noise Block Output Voltage - The present invention relates to system diagnostic circuitry for antenna systems with active antenna components. More specifically, the present invention discloses an apparatus comprising a connection between an antenna and a power supply conducting a first DC voltage, a source of a pulse width modulated signal, a lowpass filter for converting the pulse width modulated signal to a second DC voltage, and a comparator for comparing the first DC voltage and the second DC voltage and generating an output signal responsive to the difference between the first DC voltage and the second DC voltage. | 03-05-2009 |
20100171550 | Frequency Translation Module Data Clamp - An architecture for processing signal communications between a frequency translation module and an integrated receiver decoder. According to an exemplary embodiment, the signal processing apparatus comprises a demodulator for generating a first signal responsive to an FSK signal, said first signal comprising a varying amplitude and a clamping means for generating a second signal, wherein said second signal has a first value when the amplitude of the first signal is above a predetermined value, and wherein said second signal has a second value when the amplitude is below a second predetermined value. | 07-08-2010 |
20100172441 | FREQUENCY TRANSLATION MODULE FREQUENCY LIMITING AMPLIFIER - A system for processing signal communications between a frequency translation module and an integrated receiver decoder. According to an exemplary embodiment, the decoder and the frequency translation module comprise a signal processing apparatus comprising an input for receiving an frequency shift keyed modulated signal, an amplifier having negative feedback coupled to said input, wherein said input is further coupled to a first source of reference potential and a second source of reference potential; and a tank circuit coupled between said differential amplifier and an output. More particularly, the amplifier may comprise a first transistor having a first collector, a first emitter and a first base coupled to a signal source wherein said first base is further coupled to said first collector and a second transistor with a second base, a second emitter coupled to said first emitter, and a second collector, wherein said second collector is coupled to a bandpass filter and said bandpass filter is further coupled to an output. | 07-08-2010 |
Patent application number | Description | Published |
20090127353 | Multifunction Showerhead with Automatic Return Function for Enhanced Water Conservation - The present invention provides a showerhead that allows a bather to switch among at least three different water delivery functions. In the first function, the showerhead delivers a concentrated fluttering spray at a rate not to exceed 1.5 GPM (5.75 GPM). In the second function, the showerhead delivers a combined spray pattern, wherein the fluttering spray and a radially dispersed precision spray are simultaneously delivered to the bather at a rate not to exceed 2.0 GPM (7.57 L/min) for the combined water flow. In the third function, the showerhead delivers the precision spray pattern at a rate not to exceed 2.0 L/min (7.57 GPM). The combination spray pattern is effected without compromising either the desirable massaging and cleaning effect of water delivery or the inherent water conservation benefits. In addition, the showerhead of the present invention provides an automatic return feature for return of the showerhead to the first function when water pressure to the showerhead falls below a predetermined bottom threshold. | 05-21-2009 |
20100125946 | Faucet Having Pull-Out Spray Handle - The disclosure provides faucets, faucet assemblies and methods for delivering liquid through a faucet. The faucet includes a faucet body having a first open end configured for connection with a faucet base, a second open end for receiving a faucet handle, and a faucet body portion having an opening therein. The faucet body has an inner wall defining a passage extending therethrough. The faucet also includes a faucet handle and a spray handle having a first end section and a sprayer end section. The first end section is configured to be detachably connected to the faucet body portion, and the spray handle has an inner wall and a passage extending therethrough which is in open communication with the passage through the faucet body. The faucet also has a hose connection that can receive a hose for delivering liquid to the spray handle. The hose connection may be in the sprayer end section of the spray handle. The faucet may also include a mechanism for liquid flow control and/or a pull-down diverter in liquid communication with the hose connection for aerated or spray flow. | 05-27-2010 |
20100272503 | Push and Turn Nut for Quick Faucet Installation - A nut and an assembly including such a nut are described herein, wherein the nut includes an outer shell having an outer surface, an inner circumferential surface having a inwardly extending flange, and an upper rim portion; and an insert piece having an upper outwardly extending portion and a plurality of downwardly extending projections, wherein each of the projections has an outer surface and an inner surface, a portion of the inner surfaces of the projections is configured to engage a nut-receiving surface and the outer portion of the projections is configured to engage the inner circumferential surface of the first outer shell such that upon a pushing action of a user the inwardly extending flange on the outer shell presses upwardly on the upper outwardly extending portion of the insert piece so that the portion of the inner surfaces of the projections configured to receive a nut-receiving surface moves outwardly and upon removal of the pushing action, portion of the inner surfaces of the projections configured to receive a nut-receiving surface moves inwardly. | 10-28-2010 |
20120273075 | FAUCET VALVE CARTRIDGE - Valve cartridges for a faucet are described herein. The valve cartridge has a body with a longitudinal passage, and a side opening. The cartridge has a spindle with a lower end portion in rotatable relationship with the body's interior surface, and an upper outwardly extending end portion. Included is a movable disk with a surface that contacts and interacts with the lower end portion of the spindle, an arcuate side wall portion and an inwardly extending side wall portion with a fluid receiving area that allows for fluid flow out of the body side opening. A stationary disk with a through opening allows passage of fluid from a body inlet through the side opening when the opening in the disk is aligned with the fluid receiving area. A sealing ring, which mates with the body, is provided to stabilize the stationary and movable disks within the body passage. | 11-01-2012 |
20130248005 | HYBRID FAUCET ASSEMBLY AND WATER WAY FOR SAME - A faucet assembly is disclosed which is of a modular type for use in varying faucet designs and incorporating polymeric or partially polymeric parts in the internal water way assembly therein. The faucet assembly includes a cover plate and an internal water way assembly as well as at least one faucet handle. The internal water way assembly includes a valve assembly having a shank and a valve water way portion positioned on an upper portion of the shank. The valve water way portion defines a valve seat therein, and has a transversely extending outlet passageway. A valve cartridge for controlling flow through the assembly is seated in the valve seat, and, a bridge, which may be a single component or multi-part bridge has a passageway therethrough to receive water from the valve water way portion and a spout receiving portion. A spout tube is configured to be positioned in or on the spout receiving portion of the bridge. The internal water way assembly is attached to the cover plate. | 09-26-2013 |
20140291419 | Multifunction Faucet Spray Head - The disclosure includes a faucet assembly with a unique multifunction spray head. The spray head is capable of at least four spray functions, and has an outer shell; a flow body extending within the shell, a first end extending out of the shell for attachment to a faucet and a second end in fluid communication with a spray selector assembly The flow body defines a flow path from the first end of the flow body to a flow selector assembly. The spray head includes a flow selector assembly comprising: a selector valve housing body having at least four valve recesses therein; at least four flow selector valves seated within the recesses in the selector valve housing body; and a rotating selector valve ring. A sprayer seat has a faceplate thereon and a flow diversion conduit corresponding to each selector valve to provide flow paths from a selector valve to a sprayer outlet or an aerator outlet. An outer selector ring having a selector assembly seat is included for seating the flow selector assembly and engaging the rotating selector valve ring. The spray head provides aerated spray, and at least a shower spray, a jet sprayer and a misting sprayer each of which is selected by turning the outer selector ring and/or using an optional toggle selection valve for direct aerated spray if desired. | 10-02-2014 |
20140345726 | Touchless, Remotely Activatable Assembly for Fluid Flow Regulation, Related Systems and Methods - The invention includes an assembly for remotely controlling fluid flow between a fluid source, such as a water source, and an outlet that includes at least one electrically operable valve, such as an electromagnetically-actuatable valve, to be interposed between the fluid source and the outlet, the valve being actuatable between an open position, in which the source and the outlet are fluidly connected, and a closed position in which the source and the outlet are not fluidly connected; at least one actuator, such as a solenoid actuator, operably connected to the at least one valve for actuating the valve between the open and closed positions; a controller comprising a receiver for receiving a wireless signal, wherein the controller is operably connected to the actuator and capable of actuating the actuator upon receipt of a wireless signal by the receiver; and an activator device comprising (i) a user-activatable sensor for detecting a stimulus when the stimulus enters a detection zone and (ii) a transmitter that transmits the wireless signal upon activation of the sensor by a user to the receiver. In an embodiment, it may be desirable that the electrically operable valves are also mechanically actuatable or that one or more (additional) manually activatable valves in included in the assembly. | 11-27-2014 |
20150037464 | FAUCET-INTEGRATED CARBONATION SYSTEMS AND METHODS - Systems and methods are disclosed for providing carbonated water through a typical kitchen faucet. The faucet-integrated carbonation system can include a carbonated water reservoir coupled to a residential or commercial cold water supply line as well as a CO | 02-05-2015 |
20150083748 | Faucet-Integrated Touch-Free Soap Dispensing Systems - A faucet-integrated touch-free soap dispensing system includes a soap dispenser and a proximity sensor at least partially integrated with a faucet. A dispensing unit that includes a soap reservoir and a pump can be mounted below the deck that supports the faucet. | 03-26-2015 |