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| Number | Title | Issue Date |
| 6153071 | Exhaust oxygen sensing An exhaust gas oxygen sensor (10) mounted in the exhaust stream of an engine includes a zirconia plate (14) mounted to two electrodes (16,18), covered with porous layers (20,22). The two porous layers (20,22) are designed to sense the two conditions of ai... | 11/28/2000 |
| 6100990 | Method and apparatus for determining reflective optical quality using gray-scale patterns A method of determining reflective optical quality of a reflective product includes reflecting a first gray-scale pattern off the product; obtaining a first image of the first pattern with an image pickup device after the first pattern has reflected off o... | 08/08/2000 |
| 6099042 | Fuel tank support A fuel tank support for supporting and protecting a plastic fuel tank is mounted to the vehicle with the plastic fuel tank supported therein. Integral mounting members are formed in the fuel tank support to provide structural integrity, thereby obviating ... | 08/08/2000 |
| 6095553 | Side impact sensor system and method A side impact sensor system is used in a vehicle having a side air-bag, a lower body component, and a body side with a front door belt line area. The system includes a body side impact sensor mounted to the body side at least as high as the front door bel... | 08/01/2000 |
| 6067965 | Method and system for determining a quantity of fuel to be injected into an internal combustion engine A method and system for determining a quantity of fuel to be injected into a multi-cylinder, internal combustion engine during each combustion event of the engine includes an air flow sensor for sensing a quantity of air flowing through the engine. An ele... | 05/30/2000 |
| 6012426 | Automated psychoacoustic based method for detecting borderline spark knock An automated method for detecting borderline spark knock in a spark ignition engine imitates borderline knock procedures in which human operators listen to engine sounds as a function of spark timing. The automated method employs a psychoacoustic model an... | 01/11/2000 |
| 6002338 | Method and system for detecting failures in self-exciting sensor A method and system for detecting faults with a self-exciting sensor includes a monitor circuit coupled to the self-exciting sensor for monitoring a signal associated with the sensor and generating a failure signal. A voltage limiting circuit is coupled t... | 12/14/1999 |
| 5996560 | Unthrottled engine operation with a heated air cycle A method of operating an automotive-type engine at part loads by eliminating engine throttling altogether and controlling the intake flow by heating the intake air and utilizing variable late or early intake valve closings.... | 12/07/1999 |
| 5721375 | Method and apparatus for monitoring a valve deactivator on a variable displacement engine A method and apparatus is provided for determining if the valve deactivator on a variable displacement internal combustion engine is functioning properly. The occurrence of an asymmetry in one of the cylinder banks when making fuel mass calculations durin... | 02/24/1998 |
| 5714673 | Method and apparatus for monitoring engine control sensors An inferred manifold absolute pressure based in part on measured manifold mass air flow is compared with a measured manifold absolute pressure from a MAP sensor and if the rolling average of the difference between the two exceeds either a rich or lean lim... | 02/03/1998 |
| 5657728 | Planar crankshaft balance system A balance system for a planar crankshaft on a V configuration internal combustion engine including a first balance shaft located above the planar crankshaft inside a vee of the engine and a second balance shaft located below the planar crankshaft, and a m... | 08/19/1997 |
| 5617829 | Method for maintaining clean spark plugs in a variable displacement engine A method for maintaining clean spark plugs in a variable displacement engine in which at least one group of cylinders is disabled in response to the engine load being less than a predetermined value. A first timer determines the maximum period that the en... | 04/08/1997 |
| 5542383 | Dual output camshaft phase controller A camshaft phase controller for an internal combustion engine controls separate intake and exhaust camshafts driven by the engine's crankshaft such that the angular phases of the camshafts may be varied by different amounts from a predetermined phase rela... | 08/06/1996 |
| 5540203 | Integrated hydraulic system for automotive vehicle An integrated hydraulic system for an automotive vehicle includes a hydraulic pump (16) coupled with and driven by an internal combustion engine (12) and internal and external hydraulic circuits for operating hydraulically powered engine accessories and h... | 07/30/1996 |
| 5531648 | Accessory drive system for an automotive engine An accessory drive system for an automotive engine includes a drive pulley attached to an output shaft of the engine and a flexible drivebelt for connecting the drive pulley with driven pulleys. A tensioner maintains the drivebelt in contact with each of ... | 07/02/1996 |
| 5530213 | Sound-deadened motor vehicle exhaust manifold An automotive exhaust manifold is fabricated from stainless steel sheet metal of thin dense gauge, and provided with an outer coating of less dense stainless steel or other suitable material spray bonded to it to provide an irregular surface of non-unifor... | 06/25/1996 |
| 5526789 | Internal combustion engine intake system with variable tuning An intake system for a multicylinder internal combustion engine includes a plenum for supplying air to the engine's cylinder, a plenum throttle for admitting air into the plenum, a low speed runner extending between the plenum and at least one intake port... | 06/18/1996 |
| 5524434 | Internal combustion engine An internal combustion engine 12 in which liquid fuel is introduced prior to the charge entering the combustion chambers is mounted in a vehicle having an air scoop 34 which acts as a source of ram air pressurised by the movement of the vehicle. The ram a... | 06/11/1996 |
| 5518092 | Phase change mechanism A phase change mechanism is described for varying the phase of an engine camshaft relative the engine crankshaft. The mechanism comprises a drive member to be connected to the camshaft drive, a driven member to be connected to the camshaft, a coupling ele... | 05/21/1996 |
| 5507201 | Accelerator assembly for automotive vehicle An accelerator pedal assembly for an automotive vehicle includes a pedal member pivotably attached to the floor area of the vehicle and a combination pedal travel limiter and position indicating unit mounted above the pedal member. The combination unit in... | 04/16/1996 |
| 5503123 | Internal combustion engine cylinder puppet valve having self-aligning guide A cylinder head assembly for an internal combustion engine includes self-aligning valve guides which are movable radially and coaxially to a variety of locations in which the axes of the valve guide and valve guide bore formed in the cylinder head are all... | 04/02/1996 |
| 5492660 | Resin molding process utilizing a core prepared from glass beads and a binder A molded article is prepared by forming a core of glass beads secured together with a binder, inserting the core into a mold, injecting resin into the mold, curing the resin, solubilizing the binder to detach the glass beads from one another, and removing... | 02/20/1996 |
| 5490488 | Internal combustion engine intake manifold with integral EGR cooler and ported EGR flow passages An intake manifold for a multicylinder internal combustion engine includes intake runners for conducting air or air and fuel to intake ports formed in the engine cylinder head and an EGR passage formed in the manifold and extending generally parallel to t... | 02/13/1996 |
| 5483943 | Gaseous fuel supply module for automotive internal combustion engine A fuel supply module for furnishing gaseous fuel to a liquid cooled internal combustion engine includes a pressure regulator for reducing gas pressure from a relatively higher tank pressure to a relatively lower pressure required for induction into an eng... | 01/16/1996 |
| 5479906 | Multiple phase fuel supply system for internal combustion engine A multiple phase fuel supply system for an internal combustion engine includes a pressurized supply tank for holding liquid hydrocarbon fuel having the characteristic that it is normally a vapor at room temperature and atmospheric pressure. At least one l... | 01/02/1996 |
| 5477822 | Spark ignition engine with cylinder head combustion chamber An engine is provided with a combustion chamber that is separate from the main cylinder displacement/swept volume area and mounted in a cavity in the cylinder head and having a connection between the two by a channel of small cross-sectional area providin... | 12/26/1995 |
| 5476074 | Variable compression height piston for internal combustion engine A variable compression height piston for reciprocating internal combustion engine includes a lower piston coupled to a connecting rod and an upper piston slidably carried upon the lower piston. A hydraulically actuated mechanical latching system interpose... | 12/19/1995 |
| 5471738 | Robotic system for inserting cylinder liners into internal combustion engine cylinder blocks A robotic system for inserting cylinder liners into the cylinder block from an internal combustion engine includes an articulated robot arm for cycling an end effector between a dunnage unloading position and a cylinder insertion position. The end effecto... | 12/05/1995 |
| 5471742 | Tooling and procedure for throttle plate assembly A tooling and procedure for installing a plurality of throttle plates onto a single throttle shaft all at the same time, using arbors/plungers secured to a tool holder, each of the arbors having a lower face surface with a suction provision for retaining ... | 12/05/1995 |
| 5467748 | Internal combustion engine with intake port throttling and exhaust camshaft phase shifting for cylinder deactivation A four-stroke cycle, multi-cylinder reciprocating internal combustion engine has a camshaft phaser for powering an exhaust camshaft and for adjusting timing of the camshaft with respect to the rotational position of the crankshaft so that the cylinders of... | 11/21/1995 |
| 5463194 | Exhaust system An exhaust system for a motor vehicle internal combustion engine is described in which the lower end of the exhaust manifold (10) and the upper end of the down pipe (12a, 12b) each comprise two or more conduits which are sector shaped in cross section and... | 10/31/1995 |
| 5456228 | Main bearing construction for internal combustion engine An internal combustion engine includes a bearing cap (3) for positioning the crankshaft (40) within the cylinder block (1). Spacer sleeves (20), which are attached with the main bearing cap bolts (5), are provided with dowel pins (32) having free ends (33... | 10/10/1995 |
| 5441023 | Tuned engine manifold The invention relates to an engine manifold having a plurality of branches connecting respective engine ports to ambient air. Each branch of the manifold is connected to pass through an acoustic coupling (10) formed by a chamber (12) of shallow depth havi... | 08/15/1995 |
| 5439420 | Accessory drive system for an automotive engine An accessory drive system for an automotive engine includes a drive pulley attached to an output shaft of the engine and a flexible drivebelt for connecting the drive pulley with driven pulleys. A tensioner maintains the drivebelt in contact with each of ... | 08/08/1995 |
| 5431139 | Air induction control system for variable displacement internal combustion engine A system for controlling the flow of air entering the intake manifold of a multicylinder variable displacement internal combustion engine installed in a vehicle having a driver-operable accelerator control includes an accelerator control position sensor f... | 07/11/1995 |
| 5423296 | Lubrication system for internal combustion engine A lubrication system for an internal combustion system includes an oil pump having an inlet passage and a discharge port, a main oil supply gallery extending between the oil pump discharge port and at least one oil receiving location within the engine, an... | 06/13/1995 |
| 5421788 | Pulley and bearing assembly for internal combustion engine front end accessory drive An idler pulley and bearing assembly for handling the drive belt of a front end accessory drive system of an internal combustion engine includes a bearing having an outer race and an inner race with an aperture for extending therethrough, and a mounting s... | 06/06/1995 |
| 5419124 | Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with sample processing oxygen sensor regeneration control An automotive internal combustion engine is equipped with a hydrocarbon adsorber for the purpose of controlling the emissions of unburned hydrocarbons from the vehicle's tailpipe. Regeneration of the adsorber is achieved by an electronic engine controller... | 05/30/1995 |
| 5410872 | Automotive engine having catalytic exhaust aftertreatment device and secondary air injection control system for minimum catalyst light-off time An automotive engine and exhaust aftertreatment system includes an engine, a catalytic exhaust aftertreatment device for receiving exhaust gas from the engine, and an air source for supplying air to the exhaust stream entering the catalyst. An exhaust gas... | 05/02/1995 |
| 5410876 | Catalytic converter assembly with bypass A very compact arrangement of a catalyst bed and exhaust gas bypass passage for a catalytic converter assembly having an essentially overall oval shape with the catalyst bed and bypass passage essentially parallel and side-by-side, and a multi-wing butter... | 05/02/1995 |
