Patent application number | Description | Published |
20130067822 | TWO-SHOT SECONDARY SEAL - A seal for an automobile body opening comprising a plastic carrier, an elastomeric bulb operably connected to the plastic carrier, and a plastic clip operably connected to, and extending away from, the plastic carrier for engagement to a flange for retaining the seal to the flange. | 03-21-2013 |
20140252796 | VEHICLE MODULAR UPPER-DOOR ASSEMBLY - A modular upper-door assembly including a standard geometric corner component and a standard geometric B-pillar component for all vehicle model doors. Each header, belt and window-track has a different length and bend geometry for each vehicle model door while each respective component shares a standard geometric cross-section. All headers may connect to the corner component and B-pillar component in the same locations for each vehicle model door. All belts may connect to the corner component in the same location for each vehicle model door, but the attachment location on the B-pillar may vary from vehicle to vehicle. A stationary-glass or mirror-sail may also be overmolded into the assembly. | 09-11-2014 |
20140273784 | AIR EXTRACTOR TO REDUCE CLOSING EFFORT - An air extractor optimized for reducing closing efforts when closing a vehicle door is provided. The air extractor includes one or more openings that allow air flow between the passenger compartment of the vehicle and the vehicle exterior. The air extractor also includes a closure member that is movable between an open and closed position, wherein the open position allows air flow through the one or more openings and the closed position inhibits air flow through the one or more openings. The air extractor further includes an actuator that moves the closure member to the open position when one or more vehicle doors are opened and subsequently moves the closure member to the closed position once all doors have been closed. | 09-18-2014 |
20140273786 | VEHICLE DOOR CLOSURE CABIN PRESSURE RELIEF SYSTEM - An active pressure relief system for a vehicle cabin in response to a cabin-door closure. An air-extractor may be configured to open when a cabin-door is opened, and remain open until the last of a number of cabin-doors are closed. The air-extractor allows for the increased pressure resulting from the cabin-door closure to be equalized with the external environment through the air-extractor. After the last of a number of cabin-doors are closed, the air-extractor closes to inhibit noise and external elements from entering the cabin through the air-extractor. | 09-18-2014 |
20140312648 | WINDOW SURROUND FOR A VEHICLE - An integral window surround for a vehicle. The window surround includes upper, front, and rear glass runs for guiding and sealing a glass window, as well as a mirror sail for mounting a side mirror, and a B-pillar appliqué for providing decorative covering for the B-pillar. A belt molding extends across the bottom of the surround, with attachment means for securing the surround to the vehicle body. Sealing elements are also provided. If desired, an alternative implementation can be provided without the mirror sail, suitable for rear windows and windows that do not have a side mirror. The components of the surround are integral, which is accomplished by forming the surround in a two-shot molding process. The structural elements are molding in a first shot, and at that point decorative films can be inserted into the mold to provide a desired surface finish. The second shot forms the sealing elements. | 10-23-2014 |
20150246637 | LUMINESCENT VEHICLE SEAL - A lighting system for a vehicle opening is provided herein. The lighting system includes a seal disposed around a periphery of an opening in the body of a vehicle. A light source is disposed on a portion of the seal. The light source may implement a thin design, thereby helping to fit the light source into small package spaces of the vehicle. A first photoluminescent structure is configured to luminesce in response to excitation by at least a portion of the light sources. | 09-03-2015 |
Patent application number | Description | Published |
20110066357 | INFERRED OIL RESPONSIVENESS USING PRESSURE SENSOR PULSES - A system and method for controlling an internal combustion engine include determining oil responsiveness based on pressure variations associated with oil pump pulses in response to a stimulus, and controlling the engine based on the determined oil responsiveness. The stimulus may be a change in oil temperature, engine speed, or commanded pump pressure, for example. The system and method may also use the rate of change of mean oil pressure to determine the oil responsiveness or measure of oil viscosity. Oil responsiveness may be used to control hydraulic actuators, such as variable cam timing devices, or valve deactivation devices. | 03-17-2011 |
20110144883 | Engine Control with Valve Operation Monitoring Using Camshaft Position Sensing - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern. | 06-16-2011 |
20110173972 | Internal Combustion Engine Cylinder Head With Integral Exhaust Ducting And Turbocharger Housing - An internal combustion engine cylinder head is based upon a one-piece structure including a number of exhaust runners, an exhaust collector, and a turbocharger exhaust turbine housing, all formed as one-piece. | 07-21-2011 |
20110265472 | Nested Valve and Method of Control - A valve in an engine exhaust system is disclosed. The valve can improve engine operation and reduce engine component degradation during cold engine starting. The valve may also be configured to provide different levels of restriction to exhaust gases flowing to a turbocharger turbine. | 11-03-2011 |
20120296550 | ENGINE CONTROL WITH VALVE OPERATION MONITORING USING CAMSHAFT POSITION SENSING - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern. | 11-22-2012 |
20130061586 | EXHAUST MANIFOLD FOR AN ENGINE AND METHOD FOR MANUFACTURE - A cast exhaust manifold for an engine is disclosed that is fastened to the engine by a number of independent flanges between each pair of which a spacer is positioned to produce an interference fit when the exhaust manifold is at ambient temperature. The use of independent flanges allow the exhaust manifold to expand when heated without creating high levels of internal stress and the spacers prevent undue distortion of the exhaust manifold when the exhaust manifold cools. | 03-14-2013 |
20130098032 | METHOD AND SYSTEM FOR REDUCING TURBOCHARGER NOISE DURING COLD START - An approach for controlling a turbocharger bypass valve is disclosed. In one example, the turbocharger bypass valve is opened during engine cold start conditions to reduce turbocharger speed. The approach may reduce noise produced by the turbocharger during engine start and warm-up. | 04-25-2013 |
20130186061 | HEAT RECOVERY SYSTEM FOR A VEHICLE - A heat recovery system for an engine is provided herein. According to one approach, the heat recovery system includes an upstream portion that circumferentially wraps around an outlet of an exhaust manifold. Further, the heat recovery system includes a downstream portion in direct surface contact with a top exterior surface and a bottom exterior surface of a plurality of runners of the exhaust manifold. | 07-25-2013 |
20130189072 | SPRING SYSTEM TO REDUCE TURBOCHARGER WASTEGATE RATTLE NOISE - A turbocharger for a motor vehicle. The turbocharger includes a compressor mechanically coupled to a turbine. The wastegate of the turbine includes a valve head matched to a valve seat. The valve head is retained at one end of an actuator arm. A resilient spacer is arranged between the valve head and the actuator arm. The resilient spacer is configured to forcibly separate the valve head from the actuator arm when the valve head is unseated. | 07-25-2013 |
20130189093 | MULTI-PIECE TWIN SCROLL TURBINE - A turbine is provided. The turbine includes a housing radially extending around a turbine rotor including a first piece defining a portion of a first scroll passage boundary and a second piece having an interface wall contiguous with an interface wall of the first piece, the second piece coupled to the first piece and including a divider defining another portion of the first scroll passage boundary and a portion of a second scroll passage boundary. | 07-25-2013 |
20130305714 | BOOST AIR MANAGEMENT FOR IMPROVED ENGINE PERFORMANCE - Methods and systems are provided for reducing turbo lag in a boosted engine. A boost reservoir coupled to the engine may be charged with compressed intake air and/or combusted exhaust gas. The pressurized charge may then be discharged during a tip-in to either the intake or the exhaust manifold. | 11-21-2013 |
20130305716 | BOOST RESERVOIR AND THROTTLE COORDINATION - Methods and systems are provided for reducing turbo lag in a boosted engine. A boost reservoir coupled to the engine may be charged with compressed intake air and/or combusted exhaust gas. The pressurized charge may then be discharged during a tip-in to either the intake or the exhaust manifold. | 11-21-2013 |
20130305718 | STORED COMPRESSED AIR MANAGEMENT FOR IMPROVED ENGINE PERFORMANCE - Methods and systems are provided for raising an exhaust temperature to spin a turbocharger turbine and reduce turbo-lag. Pressurized air is discharged from a boost reservoir into an intake manifold while spark retard is increased to expedite exhaust heating while also increasing a net combustion torque. By expediting turbine spin-up in response to a tip-in, turbo-lag is reduced and engine performance is improved. | 11-21-2013 |
20130311068 | COORDINATION OF CAM TIMING AND BLOW-THROUGH AIR DELIVERY - Methods and systems are provided for reducing turbo lag by directing intake air from an intake manifold to an exhaust manifold. The intake air may be directed via an EGR passage by opening an EGR valve or by may be directed via engine cylinders by increasing positive valve overlap. Amounts of air directed via external EGR and air directed via positive valve overlap are based on engine operating conditions. | 11-21-2013 |
20130340726 | ENGINE BALANCING SUPERCHARGER - An engine is provided. The engine includes a piston operable to reciprocate in a cylinder, a crankshaft rotatably coupled to the piston, and a supercharger rotatably coupled to the crankshaft. The supercharger has an unequal distribution of mass along a longitudinal plane of the supercharger to provide a rotational counterbalance to reduce engine imbalance. | 12-26-2013 |
20140047833 | METHOD FOR CONTROLLING A VARIABLE CHARGE AIR COOLER - Embodiments for a charge air cooler are provided. In one example, an engine method comprises during a first mode, decreasing a volume of a charge air cooler in response to a compressor operation upstream of the charge air cooler. In this way, compressor surge may be prevented. | 02-20-2014 |
20140053547 | TWIN INDEPENDENT BOOSTED I4 ENGINE - An engine receiving boost from a supercharger and/or a turbocharger compressor is provided, along with methods for its operation. The engine may include inline cylinders arranged on an engine block and an integrated exhaust manifold (IEM), where exhaust flow from inner cylinders is kept separate from exhaust flow from outer cylinders within the IEM and where exhaust flow from the inner cylinders but not the outer cylinders flows through a turbine of the turbocharger. The supercharger and turbocharger compressor may be arranged in parallel upstream of an intake manifold of the engine, and throttles upstream of each of the supercharger and compressor may be controlled to direct intake air through one or both of the supercharger and the compressor based on engine operating conditions. | 02-27-2014 |
Patent application number | Description | Published |
20140157773 | COOLANT JACKET FOR A TURBOCHARGER OIL DRAIN - A system including a turbocharger, comprising a turbocharger bearing housing supporting a turbocharger drive shaft; an oil drain including an inlet in fluidic communication with the turbocharger bearing housing and an outlet in fluidic communication with an oil sump; and a coolant jacket enveloping the oil drain. The coolant jacket envelopes the oil drain and is positioned to provide coolant to the turbocharger bearing housing and draw heat from the oil draining through the oil drain to prevent coking of hot oil within the oil drain. | 06-12-2014 |
20140174074 | TWIN TURBOCHARGER WASTEGATE CONTROL - An engine system comprises a first turbocharger including a first wastegate, first wastegate actuator, and first turbocharger sensor, a second turbocharger including a second wastegate, second wastegate actuator, and second turbocharger sensor, and a controller configured to adjust the first wastegate actuator so that a parameter of the first turbocharger matches a parameter of the second turbocharger, based on output from the first and second turbocharger sensors. In this way, turbocharger output between the two turbochargers may be balanced. | 06-26-2014 |
20150047605 | METHODS AND SYSTEMS FOR SURGE CONTROL - Methods and systems are provided for recirculating compressed air across a compressor through a high flow and a low flow compressor recirculation path. Flow through the recirculation paths is controlled via respective valves and valve opening is adjusted based on a throttle mass flow so as to maintain a compressor flow rate at or above a surge constrained flow rate. By maintaining a sufficiently high compressor flow rate during steady state and transient conditions, the compressor state can be maintained outside a surge region. | 02-19-2015 |
20150121862 | ACTIVE EXHAUST PULSE MANAGEMENT - Methods and systems are provided for adjusting a volume control valve attached to a branch of a split exhaust manifold in a boosted engine system. Volume control valve adjustments are used at different engine operating conditions to improve engine performance and boost response. One example method includes closing the volume in response to a tip-in when increased boost is needed for exhaust turbine spool-up. | 05-07-2015 |