Patent application number | Description | Published |
20130330531 | BARRIER STACKS AND METHODS OF MAKING THE SAME - A barrier stack for protecting devices from the permeation of moisture and gases includes a first layer acting as a planarization, decoupling, and/or smoothing layer, a second layer acting as a plasma resistant protective layer over the first layer, and a third layer acting as a barrier layer over the second layer. The first layer includes a polymeric or organic material. The second layer includes an inorganic material or polymeric material. The third layer includes an inorganic material and has a different density and/or refractive index than the second layer. The barrier stack may further include a fourth layer acting as a tie layer between the first layer and the substrate. | 12-12-2013 |
20140151656 | GAS AND MOISTURE PERMEATION BARRIERS - A gas and moisture permeation barrier stack deposited by both sputtering and atomic layer deposition techniques. In one embodiment, the barrier stack comprises a bottom barrier layer deposited on a substrate by sputtering and a top barrier layer deposited on the sputtered layer by atomic layer deposition. In one embodiment, the sputtered barrier layer has a water vapor transmission rate of about 10 | 06-05-2014 |
20150252125 | CURABLE RESIN COMPOSITIONS AND BARRIER STACKS INCLUDING THE SAME - A barrier stack includes a decoupling layer comprising a siloxane containing resin composition, and a barrier layer on the decoupling layer. The siloxane containing resin composition comprises a moiety derived from a siloxane monomer represented by Formula 1. A method of forming the decoupling layer includes depositing a curable resin composition comprising a siloxane monomer on the substrate, and curing the curable resin composition. The siloxane monomer of the curable resin composition includes a monomer represented by Formula 1. | 09-10-2015 |
20150255737 | TRANSPARENT SILICONE RESIN COMPOSITION FOR NON VACUUM DEPOSITION AND BARRIER STACKS INCLUDING THE SAME - A barrier stack includes a decoupling layer comprising a siloxane polymer, and a barrier layer on the decoupling layer. The siloxane polymer is prepared from a solvent solution including a solvent, a silyl monomer and one or more silicone monomers. A method of forming the decoupling layer includes depositing (via a non-vacuum deposition technique) the solvent solution comprising the silyl monomer and the one or more silicone monomers on the substrate, and curing the curable resin composition. The siloxane polymer resulting from cure may be represented by Formula 2. | 09-10-2015 |
20150255748 | LOW PERMEATION GAS ULTRA-BARRIER WITH WET PASSIVATION LAYER - Barrier stacks according to embodiments of the present invention achieve good water vapor transmission rates with a reduced number of dyads (i.e., polymer layer/oxide layer couple). In some embodiments, the barrier stack includes one or more dyads comprising a first polymer decoupling layer and a second barrier layer on the first layer. A passivation layer is wet deposited on the second layer of at least one of the dyads. The passivation layer includes a wet coated and cured curable material that seals the localized defects in the underlying barrier layer, and the barrier stack including the passivation layer has a water vapor transmission rate that is lower than a water vapor transmission rate of a barrier stack not including the passivation layer. | 09-10-2015 |
20150255749 | GAS PERMEATION BARRIERS AND METHODS OF MAKING THE SAME - Barrier stacks according to embodiments of the present invention achieve good water vapor transmission rates with a reduced number of dyads (i.e., polymer layer/oxide layer couple). In some embodiments, the barrier stack includes one or more dyads comprising a first polymer decoupling layer and a second barrier layer on the first layer. An intervening tie layer is deposited between the first and second layers of at least one of the dyads. The intervening tie layer includes an inorganic oxide layer deposited between the polymer decoupling layer and barrier layer of the dyad. The barrier layer includes a silicon nitride layer deposited by an evaporative deposition technique such as chemical vapor deposition (CVD), for example plasma enhanced chemical vapor deposition (PECVD). The barrier stack including the intervening tie layer has a water vapor transmission rate that is lower than a water vapor transmission rate of a barrier stack not including the intervening tie layer. | 09-10-2015 |
20150255759 | HYBRID BARRIER STACKS AND METHODS OF MAKING THE SAME - Barrier stacks according to embodiments of the present invention achieve good water vapor transmission rates with a reduced number of dyads (i.e., polymer layer/barrier layer couple). In some embodiments, the barrier stack includes one or more dyads comprising a first polymer decoupling layer and a hybrid barrier layer on the first layer. The hybrid barrier layer includes an inner oxide barrier layer and an outer silicon nitride barrier layer. The inner oxide barrier layer is deposited between the first layer and the outer silicon nitride layer of at least one of the dyads. The outer silicon nitride barrier layer is deposited by an evaporative deposition technique such as chemical vapor deposition (CVD), for example plasma enhanced chemical vapor deposition (PECVD). The barrier stack including the inner oxide barrier layer has a water vapor transmission rate that is lower than a water vapor transmission rate of a barrier stack not including the inner oxide barrier layer. | 09-10-2015 |
Patent application number | Description | Published |
20080221827 | SYSTEM FOR VALIDATING VELOCITIES OF COMPONENTS IN A VEHICLE - A system for validating velocities of components in a vehicle uses sensor measurements and mathematical relationships between the vehicle components to validate the velocities. A controller or controllers receive speed or velocity inputs and mathematically combine the velocities of more than one of the vehicle components. The velocities of at least one of the vehicle components is validated when the mathematical combination meets at least one predetermined criterion. The validated velocity or velocities are then communicated to at least one of the vehicle components. | 09-11-2008 |
20090033095 | Regenerating an engine exhaust gas particulate filter in a hybrid electric vehicle - In a powertrain that includes an engine having a filter for removing particulate matter from engine exhaust gas, and an electric machine driveably connected to the engine, a method for controlling temperature of the filter including operating the engine to produce a magnitude of positive crankshaft power for driving the vehicle, increasing the temperature of the engine exhaust gas by operating the electric machine to increase load on the engine, and regenerating the particulate filter by passing engine exhaust gas at the increased temperature through the particulate filter. | 02-05-2009 |
20100305790 | Wheel Torque Disturbance Suppression - A method for controlling restart of an engine in a hybrid electric powertrain, includes engaging a gear of a transmission, releasing a brake pedal, maintaining fluid pressure at an adaptively determined magnitude in a wheel brake, initiating a restart the engine, and reducing fluid pressure in the wheel brake when the engine restarts. | 12-02-2010 |
20110065548 | Brake Assisted Vehicle Engine Restart on a Road Grade - A method for restarting an engine of a vehicle stopped on a grade, comprising the steps of engaging a gear of a transmission through which the engine and wheels of the vehicle are driveably connected mutually, using brake pressure to engage wheel brakes and produce a road gradient wheel torque that holds the vehicle stationary on the grade, initiating an engine restart, operating the engine to produce wheel torque equal to or greater than the road gradient wheel torque, and releasing the brake pressure. | 03-17-2011 |
20110071001 | Brake Assisted Control of an Engine Restart Event - A method for restarting an engine of a vehicle includes engaging a gear of a transmission that driveably connects the engine and wheels of the vehicle; maintaining a current brake pressure greater than a reference brake pressure; initiating an automatic engine restart; using a timer to count down during a period of predetermined length; using a pump to produce a desired magnitude of brake pressure sufficient to suppress a wheel torque surge produced by restarting the engine and to hold the vehicle stationary; and releasing the brake pressure if either the timer expires or a peak in engine speed occurs. | 03-24-2011 |
20120022731 | Series-Drive Operation During Launch and Creep of a Hybrid Electric Vehicle - A method for launching a vehicle includes determining that vehicle speed is less than a reference, demanded wheel power is less than a reference wheel power, and demanded engine power is less than a reference engine power; charging a battery using a generator driven by an engine; using an electric machine powered by the battery to drive vehicle wheels; and opening a clutch located in a drive path between a transmission and the generator. | 01-26-2012 |
20150266476 | COORDINATING ENGINE START/STOP WITH ADAPTIVE CRUISE CONTROL STOP-AND-GO - An automotive vehicle includes engine start/stop (ESS) and adaptive cruise control with stop and go functionality (ACCS&G). A method of coordinating operation of the ESS and ACCS&G systems is provided. The ACCS&G system brings the vehicle to a stop. After a delay and satisfaction of autostop conditions, the ESS system stops the engine. Upon receipt of an input and satisfaction of start conditions, the ESS system restarts the engine. The ACCS&G system then resumes control of the restarted engine. | 09-24-2015 |
Patent application number | Description | Published |
20090255746 | Traction and Stability Control System and Method for a Vehicle with Mechanically Independent Front and Rear Traction Wheels - A vehicle powertrain with mechanically independent sets of front and rear traction wheels has separate motive power units. An electronic control system including traction wheel slip control is electronically coupled to a first motive power unit and to a second motive power unit to separately establish maximum rear wheel traction and maximum front wheel traction. Independent requests are made for an increase or a decrease in wheel torque for one set of traction wheels and an increase or decrease in wheel torque for the other set of traction wheels thereby improving acceleration performance and enhancing vehicle stability. | 10-15-2009 |
20090314255 | ENGINE AUTOSTOP AND AUTORESTART CONTROL - Systems and methods are described for controlling engine operation of an engine that may be shut-down during engine idle stop conditions. The engine may include a high pressure direct injection fuel system. In one embodiment, a method comprises during at least a first fuel rail temperature below a threshold, automatically stopping engine operation during a selected engine idle stop condition; and during at least a second fuel rail temperature above the threshold, maintaining engine operation during the selected engine idle stop condition. | 12-24-2009 |
20130029806 | METHOD AND SYSTEM FOR CONTROLLING AN ENGINE - An engine with a fast vacuum recovery brake booster system is disclosed. In one example, an actuator is adjusted in response to a flow between the brake booster and an engine intake manifold. Operation of the engine and vehicle brakes may be improved especially when the engine is boosted. | 01-31-2013 |
20130030616 | METHOD AND SYSTEM FOR ENGINE CONTROL - Methods and systems are provided for adjusting operation of a plug-in hybrid electric vehicle responsive to a seasonal grade of the fuel available in the vehicle's fuel tank. If the seasonal grade of fuel in the fuel tank does not correspond to the seasonal grade of fuel mandated during the time of engine operation, a fuel injection amount is adjusted to compensate for differences between seasonal grades of a fuel. | 01-31-2013 |
20130066493 | METHOD AND SYSTEM FOR VEHICLE SPEED CONTROL - Methods are provided for controlling a vehicle speed during a downhill travel. Based on the estimated grade of the downhill travel and further based on an input received from the operator, different combinations of an engine braking torque and a regenerative braking torque are used to maintain the vehicle speed during the downhill travel. A battery rate of charging is also adjusted based on the duration or distance of the downhill travel, as indicated by the operator input. | 03-14-2013 |
20130110374 | METHOD AND SYSTEM FOR ENGINE CONTROL | 05-02-2013 |
20130110376 | METHOD AND SYSTEM FOR ENGINE CONTROL | 05-02-2013 |
20130144481 | SYSTEMS AND METHODS FOR DETECTING ACCELERATOR PEDAL FAILURE - A system for detecting accelerator pedal failure in an accelerator pedal system including a vehicle control system, the pedal failure detecting system having an accelerator pedal; a pedal arm; a sensor configured to interpret a force applied to the accelerator pedal and further configured to transmit a signal as a sensor output to the vehicle control system, wherein the vehicle control system is configured to correlate the sensor output to an accelerator pedal position, and to indicate a failure condition when it is not feasible the to read the sensor output given the accelerator pedal position. A method for detecting accelerator pedal failure conditions in an accelerator pedal system. | 06-06-2013 |
20140066255 | BRAKE APPLY AND RELEASE DETECTION FOR STOP/START VEHICLE - A vehicle is provided with an engine that is configured for automatic shutdown and restart. The vehicle is also provided with a controller that is configured to shutdown the engine in response to brake effort exceeding a first threshold and to restart the engine in response to brake effort decreasing below a second threshold. The first threshold and the second threshold are based on an estimated vehicle mass and a road gradient. | 03-06-2014 |
20140066256 | DYNAMIC FILTERING FOR STOP/START VEHICLE LAUNCH PREPARATION - A vehicle includes an engine configured for automatic shutdown and restart. The vehicle is provided with a controller that is configured to restart the engine when a difference between an actual brake pressure and a filtered brake pressure is greater than a threshold value. The filtered brake pressure is dependent upon a magnitude of the actual brake pressure and a rate of change of the actual brake pressure. | 03-06-2014 |
20140067154 | KINEMATIC ROAD GRADIENT ESTIMATION - A vehicle and a vehicle system are provided with a controller that is configured to generate output indicative of a kinematic road gradient estimation using an extended Kalman filter. The extended Kalman filter includes a system input based on a longitudinal acceleration and an acceleration offset, and a system output based on a predicted vehicle speed. The acceleration offset is based on at least one of a lateral velocity, a lateral offset, and a vehicle pitch angle. The controller is further configured to generate output indicative of a kinematic quality factor corresponding to an availability of the kinematic road gradient estimation. | 03-06-2014 |
20140067155 | DYNAMIC ROAD GRADIENT ESTIMATION - A vehicle and vehicle system are provided with a controller that is configured to generate output indicative of a vehicle mass estimation. The vehicle mass estimation is based on a longitudinal acceleration and a wheel torque when at least one of the longitudinal acceleration, a vehicle speed and a yaw rate indicate an occurrence of a qualified event. The controller is further configured to generate output indicative of a dynamic road gradient estimation based on the vehicle speed, the wheel torque and the vehicle mass estimation. | 03-06-2014 |
20140067224 | WHEEL TORQUE DISTURBANCE SUPPRESSION CONTROL FOR VEHICLE HOLD BEFORE/DURING ENGINE STARTUP - A vehicle-hold control method is used to hold an engine-powered vehicle from rolling backward on a road gradient during an engine start. The engine shuts down when the vehicle is stopped following operation of the vehicle under engine power. The engine is re-started during an engine cranking interval as vehicle wheel brakes are applied. The brakes are released in response to detection of pre-calibrated engine speed characteristics. | 03-06-2014 |
20140163842 | METHOD AND SYSTEM FOR ENGINE CONTROL - Methods and systems are provided for adjusting operation of a plug-in hybrid electric vehicle responsive to a seasonal grade of the fuel available in the vehicle's fuel tank. If the seasonal grade of fuel in the fuel tank does not correspond to the seasonal grade of fuel mandated during the time of engine operation, a fuel injection amount is adjusted to compensate for differences between seasonal grades of a fuel. | 06-12-2014 |
20140235406 | STOP-IN-PARK CONTROL FOR MICRO-HYBRID VEHICLES - A stop/start system of a micro-hybrid vehicle may selectively initiate an engine auto start in response to a PRNDL gear lever/transmission being moved/shifted out of DRIVE after an engine auto stop and a determination that the vehicle is located, for example, in an intersection or railroad crossing prior to the PRNDL gear lever/transmission being moved/shifted into REVERSE. | 08-21-2014 |
20140236459 | STOP/START CONTROL TO INCREASE MICROHYBRID VEHICLE BATTERY CHARGE - A stop/start system of a vehicle autostops and autostarts an engine and, in response to an identification of a drive cycle destination indicating that the vehicle will remain parked for at least a predefined period of time, prevents autostopping of the engine during the drive cycle to increase a state of charge of the battery above a nominal target state of charge. | 08-21-2014 |
20140244150 | DRIVER COACHING SYSTEM - A driver coaching system may have an input device generating an input signal indicative of a road condition. The system may also include an advisory device determining an output conveyed to a driver and indicative of a fuel efficiency rating based on an actual vehicle speed and an optimum fuel efficient speed. The advisory device may not decrease the fuel efficiency rating when the road condition does not warrant the optimum fuel efficient speed. | 08-28-2014 |
20140257637 | CONTROL FOR STOP/START VEHICLE WHEN APPROACHING CONTROLLED INTERSECTIONS - A controller in a stop/start vehicle may anticipate a vehicle stop and engine shutdown event in response to detecting a vehicle approach to an intersection. The controller may disable a power steering system or otherwise prepare vehicle subsystems for shutdown prior to the anticipated shutdown event. The controller may also enable the power steering system in response to anticipating an automatic restart event. | 09-11-2014 |
20140257677 | STOP/START CONTROL FOR STOP/START VEHICLE IN TURN LANE - An engine of a stop/start vehicle, after the engine has been automatically stopped, may be commanded to automatically restart in response to detecting that the vehicle is in a turn lane based on traffic data in a vicinity of the vehicle such that the engine is automatically restarted before a brake pedal is released and a steering wheel is turned. | 09-11-2014 |
20140257678 | AUTO-STOP CONTROL FOR A STOP/START VEHICLE NEAR WATER - A stop/start vehicle includes an engine and a stop/start system that prevents an auto stop of the engine when a speed of the vehicle is approximately zero in response to the vehicle being located within a specified distance from a body of water or in response to the vehicle being located in a user identified geographic region. | 09-11-2014 |
20140257679 | AUTO-STOP CONTROL FOR A STOP/START VEHICLE AT A SERVICE LOCATION - A stop/start vehicle includes an engine and a stop/start system that prevents an auto stop of the engine when the speed of the vehicle is approximately zero in response to the vehicle being located at a service location or in response to the vehicle being located in a user identified geographic region. | 09-11-2014 |
20150057832 | SENSOR FUSION VEHICLE VELOCITY ESTIMATION SYSTEM AND METHOD - A method according to an exemplary aspect of the present disclosure includes, among other things, arbitrating velocity signals derived from information from a first sensor and a second sensor, estimating a ratio between an actual tire radius and an expected tire radius, and generating a fused velocity estimate based on an arbitrated signal calculated during the arbitrating step and an estimated ratio calculated during the estimating step. | 02-26-2015 |
20150105999 | VEHICLE AUTO-STOP CONTROL IN THE VICINITY OF AN EMERGENCY VEHICLE - A stop/start vehicle includes an engine and a stop/start system that selectively prevents an auto stop or auto start of the engine in response to a detected vehicle proximity and direction of travel relative to an emergency vehicle. The stop/start system may be programmed to prevent an auto stop of the engine in response to a detected proximity to an emergency vehicle where the emergency vehicle is traveling in the same direction as the stop/start vehicle, or in response to a detected proximity to an emergency vehicle where the stop/start vehicle is located within an intersection. The stop start system may also be programmed to prevent an auto start of the engine in response to the engine being stopped, and further in response to a detected proximity to an emergency vehicle where the emergency vehicle is traveling in cross traffic relative to the stop/start vehicle. | 04-16-2015 |
20150175149 | SYSTEM AND METHOD FOR ENGINE IDLE STOP CONTROL - A system and method for controlling engine idle stop in a hybrid vehicle balance the extra electrical load imposed on the vehicle during engine stop with the electrical energy saved to achieve net fuel savings. Predictive information is used to determine potential vehicle stops and corresponding stop durations during a time window. To achieve net fuel savings, the engine stop duration time must be long enough for the electrical energy savings to cover electrical load added to the system. If the predicted stop duration time is long enough to yield net fuel savings, engine stop may be initiated. If not, engine stop may be inhibited. | 06-25-2015 |
20150175150 | SYSTEM AND METHOD FOR ENGINE IDLE STOP CONTROL WITH STARTER MOTOR PROTECTION - A system and method for controlling engine idle stop in a hybrid vehicle that uses predictive information to schedule engine stops with relatively longer stop duration time to gain more fuel savings and extend life of starter motor. More specifically, predictive information may be used to determine potential vehicle stop events, along with corresponding stop duration times, within a time window. An engine stop scheduler and/or controller may be configured to schedule stops of longer duration for optimal total engine stop time. Similarly, taking into account constraints imposed by the thermal limits of the motor, engine stop may be inhibited for predicted short events to allow engine stop at later longer stop events. | 06-25-2015 |
20150183434 | METHOD FOR ESTIMATING GRADE AND ROLLING DIRECTION - Systems and methods for determining vehicle rolling direction and road grade are disclosed. In one example, a vehicle rolling direction is determined from a correlation coefficient. The vehicle rolling direction is applied to a kinematic equation to determine road grade. | 07-02-2015 |
20150219056 | COMBINED COOLANT AND TRANSMISSION PUMP MOTOR DRIVE FOR STOP-START VEHICLE - A vehicle includes an internal combustion engine having an auto stop function, an electric pump motor drivably coupled to a transmission pump and a heat exchanger pump, and at least one controller. The controller is configured to control the pump motor to operate the transmission pump to supply hydraulic pressure to a transmission, and to operate the heat exchanger pump to provide flow from the engine to a heater core radiator in response to the engine being auto stopped. | 08-06-2015 |
20150239450 | INFORMATIONAL BASED ENGINE STOP/START SENSITIVITY CONTROL FOR MICRO-HEV - A controller may be configured to adjust a brake apply and release detection calibration based on a detection sensitivity associated with a predicted driver start/stop intention for a vehicle and an associated confidence level indicative of a likelihood of the predicted driver intention; and perform at least one of engine startup and engine shutdown according to the adjusted brake pedal detection calibration. | 08-27-2015 |