Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7343787 | Piezoelectric tire sensor and method A tire monitor includes a first device (300) having at least one piezoelectric matrix element (404), and a first sensing layer (410) that includes at least one rectifier (106) and a processor element (110). The first device (300... | 03/18/2008 |
| 7277791 | Strategy for detecting use of a block heater and for modifying temperature-dependent variables to account for its use A diesel engine (100) has a control system (102) that processes certain data to develop data values for one or more temperature-dependent variables, such as injection control pressure (ICP), that affect engine starting and ensuing warm-up. The control ... | 10/02/2007 |
| 7258112 | Reducing HC collection in a diesel particulate filter during failure in an engine cold start aid An engine (10) and a method of operating it during cold start and ensuing running using a cold start aid such as a glow plug control (24) and glow plugs (22). The control (24) monitors all glow plugs to distinguish between one that is eff... | 08/21/2007 |
| 7258097 | Crankcase for an internal combustion engine A crankcase (100) for an engine includes a first bank (102) of cylinders that has a plurality of cylinder bores (104) formed therein, and a second bank (102) of cylinders that includes an additional plurality of cylinder bores (104... | 08/21/2007 |
| 7258092 | Apparatus and method for pre-cycle warm-up via wireless communication A signal is received (201, 301) via a wireless communication channel, which signal requests initiation of pre-cycle warm-up for one or more components of an internal combustion engine. It is determined (203, 303) whether at least one of the one or more... | 08/21/2007 |
| 7257950 | Diesel engine charge air cooler bypass passage and method An internal combustion engine (100) includes a turbocharger (107) having a turbine (109) and a compressor (111). A charge-air cooler (121) is in fluid communication with an outlet (117) of the compressor (111) through... | 08/21/2007 |
| 7257885 | Apparatus for fastening sand core elements Core sand elements are rapidly and reliably retained by driving one or more smooth surface fasteners, such as staples, nails or brads, into the core elements. In production, after the core sand elements are assembled, the core assemblies are placed on a moving belt ... | 08/21/2007 |
| 7243883 | Bracket for retaining wires An apparatus includes a bracket (110) that has at least one retainer (136) disposed on a first side of the bracket (110) and a mounting mechanism (134) disposed on a second side of the bracket (110) such that the mounting mechanism... | 07/17/2007 |
| 7243641 | Tangential mixer and method An apparatus includes a tangential mixer (200) having an air inlet (207) and a mixture outlet (209). A bore (205) has a bore centerline (213) and a bore perimeter (201). At least one gas inlet (211) has an inlet cente... | 07/17/2007 |
| 7237525 | Engine cast component having witness marks and method of machining same A component (100) for an internal combustion engine includes a plurality of as-cast features (e.g. 116) formed thereon, and a plurality of machined features (e.g. 120). The component (100) also includes at least one witness mark (128 | 07/03/2007 |
| 7234706 | Sealing system for multiple fluids A seal (301) has a first surface capable of contacting a valve cover (101) over a first fluid while a second surface, opposed to the first surface, is capable of contacting a seal seat (303). The seal (301) also has a third surface capabl... | 06/26/2007 |
| 7210468 | Heat exchanger method and apparatus A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (502) and flowing exhaust gas out of the volume in a first and a second portions (504). The first portion forms a tailpipe gas stream (506), and ... | 05/01/2007 |
| 7201147 | Control strategies for a variable displacement oil pump An internal combustion engine (30) has a fueling system comprising fuel injectors (36) that utilize oil under pressure to force fuel into engine combustion chambers. Oil is pumped to an oil rail (44) by an engine-driven pump (42) whose ef... | 04/10/2007 |
| 7200485 | Transient speed-and transient load-based compensation of fuel injection pressure An engine (10) has a fueling system that uses hydraulic fluid to force fuel into engine combustion chambers via fuel injectors. Pressure of the hydraulic fluid is determined by a steady state strategy (ICP_DES—1) and a transient strategy (... | 04/03/2007 |
| 7197918 | Apparatus and method for evaluating fuel injectors An apparatus and method for measuring the pressure of a fluid near discharge ports 409 in a nozzle 213 of a fuel injector 201 are described. A fuel injector 201 is charged with fluid from a fluid tank 203 by a fuel pump 205.... | 04/03/2007 |
| 7191591 | Attenuation of engine harshness during lean-to rich transitions Engine systems and methods for accomplishing regeneration of a NOx adsorber (28) using in-cylinder post-injection in a way that creates a lean-rich transition (FIG. 3) for regenerating the NOx adsorber while attenuating engine torque output fluctuation... | 03/20/2007 |
| 7188497 | Method for straightening an eccentric shaft A method for straightening an eccentric shaft (100, 501) by engaging fillets (201, 601) adjacent an element (101, 509) of the shaft with angled rollers (303, 703), rotating the shaft and selectively applying a compressive rolling force ( | 03/13/2007 |
| 7188597 | Engine cold start aid malfunction alert A motor vehicle engine (10) has a glow plug system (14) for aiding combustion of fuel in combustion chambers of the engine when the engine is cold and an ignition switch (16) is operated to crank the engine. A first circuit signals the cold star... | 03/13/2007 |
| 7185643 | Combined filter and fill tube An apparatus includes a housing (101), a fill tube (107) disposed within the housing (101), the fill tube (107) having a fluid inlet (125) at one end and a fluid outlet (127) at another end. The fluid outlet (127) is ... | 03/06/2007 |
| 7184877 | Model-based controller for auto-ignition optimization in a diesel engine A diesel engine (10) operates by alternative diesel combustion. Formation of fuel and charge air mixtures is controlled by processing a particular set of values for certain input data according to a predictor algorithm model (50) to develop data values... | 02/27/2007 |
| 7171957 | Control strategy for expanding diesel HCCI combustion range by lowering intake manifold temperature An engine (10, 100) utilizes “regular EGR cooling” when operating in HCCI mode within a low load range and “enhanced EGR cooling” that allows the engine to continue to operate in HCCI mode when engine load increases beyond the low load range. When eng... | 02/06/2007 |
| 7168396 | Variable compression ratio strategy for improving combustion processes in alternative combustion compression ignition engines A compression ignition engine (10) has a control system (24) for processing data, one or more cylinders (16), a fueling system (18), and a variable valve actuation mechanism (20). Control system (24) develops both fueling da... | 01/30/2007 |
| 7168304 | Method and apparatus for indicating a potential fluid filter problem A fluid pressure near a filter (103) is measured and compared (307) to a predetermined value that is based on one or more engine operating parameters. When the measured fluid pressure deviates enough from the predetermined value by an established amoun... | 01/30/2007 |
| 7168250 | Engine valve system and method An engine system (100) has a valve system (137). An inlet of a turbine (109) is fluidly connected to a first inlet (119) of the valve system (137). An outlet of the turbine (123) is fluidly connected to a second inlet (11... | 01/30/2007 |
| 7140357 | Vortex mixing system for exhaust gas recirculation (EGR) A vortex mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The vortex mixing system may have a vortex mixing device connected to an intake air conduit, a supply conduit, and an EGR conduit. The vo... | 11/28/2006 |
| 7134641 | Valve having axial and radial passages A valve includes a valve body (100) disposable within a chamber (103) of a housing (101) and capable of being fluidly sealed with respect to the housing (101) when the valve is closed. At least one radial passage (117) is disposed ... | 11/14/2006 |
| 7131271 | Clean, low-pressure EGR in a turbocharged engine by back-pressure control An engine system (20) includes an intake system (26) through which charge air enters combustion chambers, and an exhaust system (28) that includes a CDPF (34), through which products of combustion pass to the surrounding atmosphere. A throttle valve (36) is located ... | 11/07/2006 |
| 7124582 | Method and apparatus for determining turbocharger boost A method of determining an adjusted boost signal includes determining a steady-state boost for a turbocharger (103, 105) for an internal combustion engine (101). The steady-state boost is adjusted (509, 513) for at least one of current transient... | 10/24/2006 |
| 7118403 | Connector clip and method An apparatus includes a female connector (106) having a first shell (302), at least one pot (318), and a latching tab (310) having an opening (314). A male connector (104) has a second shell (214) that fits within the... | 10/10/2006 |
| 7096724 | Fuel injector testing system A fuel injector testing system has a sleeve that mechanically isolates one or more test volumes in a fuel injector. The sleeve has interfaces on an inside surface. The interfaces sealably engage the O-rings on the fuel injector. An air displacement mechanism is conn... | 08/29/2006 |
| 7098779 | Method of providing notification of an air intake restriction Notification of an air intake restriction is provided for an internal combustion engine (101). Readings from one or more air pressure sensors (117, 119) utilized with an internal combustion engine (101) are processed to determine whether an air ... | 08/29/2006 |
| 7066016 | Camshaft position sensor testing system A camshaft testing system has a test sleeve, a controller, and main voltage supply. The camshaft position sensor is placed into the test sleeve. The controller activates the camshaft position sensor. The test sleeve has a test bar, which moves across the camshaft po... | 06/27/2006 |
| 7032578 | Venturi mixing system for exhaust gas recirculation (EGR) A venturi mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The venturi mixing system has a venturi disposed in a mixing conduit. The venturi is connected to an intake air conduit and a supply con... | 04/25/2006 |
| 7028680 | Two stage mixing system for exhaust gas recirculation (EGR) A two stage mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The two stage mixing system may have a two stage mixing device connected to an intake air conduit, a supply conduit, and an EGR condui... | 04/18/2006 |
| 6966279 | Piston cooling system for an internal combustion engine A piston cooling system for an internal combustion engine has a connecting rod assembly for connecting a piston to a crankshaft. The connecting rod assembly may have a connecting rod, a connecting rod bearing, a piston pin bushing, and a piston pin. The connecting r... | 11/22/2005 |
