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A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 8091538 | Method and device for diagnosing an internal combustion engine; computer program and computer program product In a method for diagnosing an internal combustion engine having first and second fuel injectors, if a misfire is detected, the following steps are performed in sequence: a first fuel quantity of the fuel is introduced only by the first fuel injector; a check is perf... | 01/10/2012 |
| 7836870 | Method for controlling an internal combustion engine of a motor vehicle A method for controlling an internal combustion engine of a motor vehicle. The method includes the use of an electronic control device for controlling the internal combustion engine in a motor vehicle, an irregular running determination unit for fault recognition, a... | 11/23/2010 |
| 7654253 | Detection of a humidity sensor failure in an internal combustion engine A method to determine degradation of a humidity sensor used for controlling an engine of a vehicle, the humidity sensor exterior to a passenger compartment of the vehicle, the method comprising determining whether to enable monitoring of the sensor based on a durati... | 02/02/2010 |
| 7578288 | Method for operating an internal combustion engine, computer program product, computer program, and control and/or regulating device for an internal combustion engine In a method for operating an internal combustion engine, a sensor for detecting and/or an actuator for setting a performance quantity of the internal combustion engine is/are monitored for the presence of a malfunction. Monitoring is performed at a first operating p... | 08/25/2009 |
| 7520274 | Air fuel ratio sensor deterioration determination system for compression ignition internal combustion engine In a compression ignition internal combustion engine provided with an NOx storage-reduction catalyst on an exhaust system, when the air fuel ratio of the exhaust gas being in a lean state is controlled to a rich state, a response time (ResS) from a time point an air... | 04/21/2009 |
| 7398775 | Detection of a humidity sensor failure in an internal combustion engine A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 07/15/2008 |
| 7392793 | Fuel injection controller A fuel injection controller calculates a fuel pressure-feeding start angle of a fuel pump as a valve opening start angle of a metering valve, which regulates a discharge amount, by adding a base angle and a feedback correction value. The base angle is calculated in ... | 07/01/2008 |
| 7387011 | Deterioration diagnosis system for exhaust gas sensor A diagnosis device calculates a lean-direction responsiveness characteristic and a rich-direction responsiveness characteristic of the exhaust gas sensor. The lean-direction responsiveness represents a responsiveness of the sensor in a case that an air-fuel ratio is... | 06/17/2008 |
| 7318409 | Vehicle engine control system utilizing humidity sensor A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 01/15/2008 |
| 7311093 | Element crack detecting apparatus and method for oxygen sensor An element crack detecting apparatus for an oxygen sensor detects a sensor output voltage for an abnormality detection period after a fuel cut-off is started during operation of an engine. When the output voltage becomes negative, an abnormality counter is counted u... | 12/25/2007 |
| 7293557 | Abnormality detecting apparatus and abnormality detecting method for an air/fuel ratio sensor An abnormality detecting apparatus includes an air/fuel ratio sensor that detects an air/fuel ratio within a range including the stoichiometric air/fuel ratio, an admittance detector for detecting an admittance of the sensor, and a temperature detector for detecting... | 11/13/2007 |
| 7280906 | Method for detecting misfires of an internal combustion engine and device for carrying out the method A method for detecting combustion misfires of an internal combustion engine and a device for carrying out the method, in which an evaluation of a lambda signal made available by at least one broadband lambda sensor is provided. The lambda signal is compared to a lam... | 10/09/2007 |
| 7260499 | Fuel delivery system with enhanced functionality and diagnostic capability A control system for a fuel delivery system provides enhanced functionality and diagnostic capabilities relative to known systems. In accordance with one aspect of the invention, enhanced functionality and diagnostic capability is provided by integrating the pump co... | 08/21/2007 |
| 7246604 | Engine control advantageously using humidity A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 07/24/2007 |
| 7248960 | Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control An air-fuel ratio sensor monitor is provided which is designed to monitor reactive characteristics or response rates of an air-fuel ratio sensor when an air-fuel ratio of a mixture to an internal combustion engine is changing to a rich side and to a lean side. The m... | 07/24/2007 |
| 7243532 | Misfire detector for internal combustion engines Air fuel ratios of exhaust gases of respective cylinders are estimated based on a detection value of an air fuel ratio sensor mounted in an exhaust-collector. Normal combustion and misfire are determined depending upon whether individual cylinder air fuel ratios of ... | 07/17/2007 |
| 7231292 | Systems and methods for resetting vehicle emission system error indicators A method of resetting an active emissions system error indicator associated with a vehicle. The method comprises performing at least a first requesting step, where the requesting step is performed indirectly by using a record mode function until said active e emissi... | 06/12/2007 |
| 7223946 | Method and device for control and diagnosis for the heating of a lambda probe A method for controlling and regulating an electrical heating of a probe situated in the exhaust system of an internal combustion engine, a total heating power of the probe being set, and an actual temperature value of the probe being determined by measuring a chara... | 05/29/2007 |
| 7216639 | Abnormality diagnosis device for air-fuel ratio sensor When carrying out abnormality determination for an air-fuel ratio sensor 33 by comparison of an average value tave of all diagnostic values t(n) and an abnormality determination value C, the abnormality determination value C is corrected using an average valu... | 05/15/2007 |
| 7201160 | Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control An air-fuel ratio sensor monitor is provided which is designed to monitor reactive characteristics or response rates of an air-fuel ratio sensor when an air-fuel ratio of a mixture to an internal combustion engine is changing to a rich side and to a lean side. The m... | 04/10/2007 |
| 7200508 | Method and device for monitoring a control unit of an internal combustion engine The invention relates to a method for monitoring a control unit of an internal combustion engine, according to which a variable, which characterises the initial parameter of a lambda regulation system, is monitored for a deviation from a predefined threshold value. ... | 04/03/2007 |
| 7195009 | Detection of a humidity sensor failure in an internal combustion engine A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel econ... | 03/27/2007 |
| 7178499 | Locomotive engine governor low oil trip reset An EMD locomotive engine low oil governor reset system, the governor having a low oil reset plunger which moves from an operating position to a tripped position out of a side of the governor when a low oil condition has been sensed and has initiated shut down of the... | 02/20/2007 |
| 7152594 | Air/fuel imbalance detection system and method A method for detecting emissions from an internal combustion engine generally including determining a reference air/fuel mixture signal based on an engine speed and an airflow into the engine. The method includes determining an actual air/fuel mixture signal from an... | 12/26/2006 |
| 7146851 | Diagnostic apparatus for variable valve control system ECU calculates variations of air-fuel ratios of respective cylinders and variations of air-fuel ratios of all the cylinders in variable intake valve lift devices of two cylinder groups. Presence and absence of an abnormality is determined on the basis of whether rat... | 12/12/2006 |
| 7142976 | Abnormality diagnosis method and apparatus for gas concentration measuring device An abnormality diagnosis method for a gas concentration measuring device, includes electrically shutting off measurement means from an oxygen concentration detecting cell and an oxygen pump cell of a gas sensor when a voltage at one of electrical connection points t... | 11/28/2006 |
| RE39310 | Engine control system and method An engine control system and method that utilizes throttle position as one of its control parameters. The throttle position sensor is checked by sensing changed values in a time period when the engine is operating within a predetermined speed range during which chan... | 10/03/2006 |
| 7082935 | Apparatus and methods for closed loop fuel control A method of controlling fuel input to an engine of a vehicle. A feedback signal is received from a sensor that senses engine exhaust. A dither signal having the same frequency as the feedback signal is applied to a fuel control signal controlling fuel to the engine.... | 08/01/2006 |
| 7073375 | Exhaust back pressure sensor using absolute micromachined pressure sense die Sensor systems and methods are disclosed, which generally incorporate isolation between the sensor's electronics and the sensed media. The sensor's electronic circuit can incorporate one or more application specific integrated circuit (ASIC) that processes and outpu... | 07/11/2006 |
| 7069911 | Apparatus and methods for protecting a catalytic converter from misfire A method of controlling engine operation in a vehicle in response to a misfire of one of a plurality of engine cylinders fueled through fuel injectors. The vehicle includes a fuel vapor storage canister. The method includes disabling at least one of the fuel injecto... | 07/04/2006 |
| 7066144 | Control device and method for internal combustion engine A control device for an internal combustion engine comprising an EGR passage (22) for connecting an intake passage (17) and an exhaust passage (18) with each other, an EGR valve (24) provided in the EGR passage (22), and an intake ... | 06/27/2006 |
| 7051722 | Engine starting A system, an apparatus, and a method for starting an engine. The system, apparatus, and method include determining a first quantity of fuel based on engine temperature, providing the first quantity of fuel to the engine during a first cycle of the engine, determinin... | 05/30/2006 |
| 7047924 | Method for diagnosing the operational state of a two-step variable valve lift device A method for diagnosing an operational state of a variable valve lift (VVL) device in an engine, wherein the VVL device is capable of operating in two modes of operation. The method includes measuring a rotational speed of an engine crankshaft while the engine is ru... | 05/23/2006 |
| 7036982 | Method and apparatus to control an exhaust gas sensor to a predetermined termperature The invention provides a control strategy and a control system to control a gas sensor to a target operating temperature. It relies upon both feedback and model-based feedforward control systems to achieve and then maintain the sensor at the target operating tempera... | 05/02/2006 |
| 7025050 | Fuel pressure control device for internal combination engine A fuel pressure control device includes a fuel injection valve, a pressure accumulation chamber for storing a high pressure fuel, a high pressure pump, a fuel pressure control valve, a fuel pressure sensor for detecting a fuel pressure PR in the pressure accumulatio... | 04/11/2006 |
| 7021292 | Pressure sensor device of internal combustion engine A pressure sensor device of an internal combustion engine includes: a pressure sensor detecting a pressure in an intake pipe of an internal combustion engine, a pressure sensor failure determination device determining a failure of the pressure sensor, an idle determ... | 04/04/2006 |
| 6968833 | Diagnostic system for catalytic converter using exhaust gas recirculation system that can detect exhaust pressure buildup A method is described for detecting exhaust pressure buildup in an engine's exhaust system using information from an exhaust gas recirculation system having a valve. ... | 11/29/2005 |
| 6941936 | Control system for internal combustion engine A control system for an internal combustion engine having at least one control device that affects an air-fuel ratio of an air-fuel mixture to be supplied to the engine, is disclosed. An air-fuel ratio correction coefficient is calculated for correcting an amount of... | 09/13/2005 |
| 6935155 | Apparatus for detecting failure of exhaust gas sensor utilizing element temperature An apparatus for detecting a failure of an exhaust gas sensor disposed in an exhaust manifold is provided. The apparatus comprises a control unit. The control unit compares detection values of the exhaust gas sensor detected under different element temperatures of t... | 08/30/2005 |
| 6932068 | Evaporative emission control system and method An evaporative emission control system includes a canister for collecting fuel vapor from a fuel tank, and a purge control valve disposed between the canister and the intake passage of the engine. A controller of the system determines a failure of the purge control ... | 08/23/2005 |
