| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073114250 | Engine speed | 14 |
| 20090165541 | ENGINE ROTATING METER - A level adjusting circuit which adjusts input pulses from an antenna to a level suitable for determining the number of engine revolutions, is connected in a circuit that connects the antenna with a determining circuit. An optimum adjustment of the determination level by manual operation allows the pulses inputted to the determining circuit to be precisely determined at all times. | 07-02-2009 |
| 20090183557 | DETERMINATION OF ENGINE ROTATIONAL SPEED BASED ON CHANGE IN CURRENT SUPPLIED TO ENGINE STARTER - An engine rotational speed determining device is disclosed which includes a signal inputting means and a rotational speed determining means. The signal inputting means inputs a signal that indicates current supplied to an electric motor, which starts an internal combustion engine, during a starting operation of the engine by the motor. The rotational speed determining means determines a rotational speed of the engine in the starting operation based on a change in the current indicated by the signal input by the signal inputting means. | 07-23-2009 |
| 20090293598 | THERMOCOUPLE DATA ACQUISITION SYSTEM - A method of real-time analysis of an engine, comprising sensing a temperature within a chamber of the engine with a thermocouple sensor disposed on a spark plug operating within the chamber, the thermocouple sensor generating a first signal based upon the temperature within the chamber; detecting current on a wire coupled to the sparkplug with a sensor, the sensor generating a second signal based upon current detected on the wire; converting the first and second signal into a first and second optical signal respectively utilizing one or more signal conditioners; generating a first and second digital signal based upon the first and second optical signal respectively with a receiver; and transmitting the first and second digital signal to an analysis device to generate a display of the temperature as it relates to engine speed at a first time in response to the receipt of the first and second digital signal. | 12-03-2009 |
| 20100011848 | METHOD AND DEVICE FOR IDENTIFYING WHEELS MOUNTED ON A MOTOR VEHICLE - A method for identifying wheels ( | 01-21-2010 |
| 20100064786 | METHOD FOR ASCERTAINING THE SPEED OF A STARTER - A method for determining the speed of a starter for starting internal combustion engines. The starter speed may be ascertained in a particularly simple and cost-effective manner in that it is calculated from different electrical variables and is calibrated by comparison to the internal combustion engine speed. | 03-18-2010 |
| 20100071449 | Sensor Arrangement - A sensor arrangement has a sensor element. A contact element is in electrical contact on the one hand with the sensor element and on the other with contact pins. The contact element is insert moulded with a plastic body. Affixing positions to which the contact element has been affixed, and on which the contact element is exposed respectively have one collar made of plastic material which runs around the exposed areas of the contact element. A sensor arrangement results for which the cost of manufacture is lower than that of the prior art, while the same security against unwanted electrostatic discharging or against the formation of an unwanted short circuit remains. | 03-25-2010 |
| 20100101310 | Method and Apparatus for Troubleshooting Noise/Vibration Issues of Rotating Components - There is provided a method for troubleshooting noise/vibration issues of rotating components, the method comprising: receiving an audio signal of the rotating components in operation; generating a frequency spectrum corresponding to the audio signal; selecting a frequency ν | 04-29-2010 |
| 20100281966 | TWO-STEP OIL CONTROL VALVE DIAGNOSTIC FROM PHASER OIL PRESSURE - A diagnostic system includes a first pressure monitoring module, a second pressure monitoring module, and a fault determination module. The first pressure monitoring module determines low-lift pressures and high-lift pressures in a cam phaser when a first oil control valve (OCV) moves first valve lifters to the low-lift state and the high-lift state, respectively. The second pressure monitoring module determines low-lift pressures and high-lift pressures in the cam phaser when a second OCV moves second valve lifters to the low-lift state and the high-lift state, respectively. The fault determination module diagnoses a fault in one of the first OCV and the second OCV based the low-lift pressures and the high-lift pressures. | 11-11-2010 |
| 20120266667 | THERMOCOUPLE DATA ACQUISITION SYSTEM - An internal combustion engine analysis system is provided, the system having: a spark plug having a thermocouple sensor coupled thereto, the thermocouple sensor being configured to generate a first signal according to a combustion temperature proximate to the spark plug; a current sensor configured to monitor electrical current provided to the spark plug and generate a second signal based upon current the monitored electrical current; one or more signal conditioners configured to generate a first and a second optical signals based upon the first and second signal respectively; a receiver electrically connected to the one or more signal conditioners, the receiver being configured to generate a first and a second digital signal based upon the first and second optical signals respectively; and an analysis device in signal communication with the receiver, the analysis device configured to receive the first and second digital signal and being configured to generate a visual display of the combustion temperature as it relates to an engine speed of the engine at a first time in response to the receipt of the first and second digital signal. | 10-25-2012 |
| 20130068003 | SYSTEMS AND METHODS FOR DIAGNOSING AN ENGINE - Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on information provided by signals from speed sensors associated with the engine and/or other signals associated with a generator operationally connected to the engine. Different types of degradation may be distinguished based on discerning characteristics within the information. Thus, a degraded engine component may be identified in a manner that reduces service induced delay. | 03-21-2013 |
| 20150114096 | SYSTEM AND METHOD FOR DETECTING A ROTATIONAL SPEED OF A TURBOCHARGER - A system for detecting a rotational speed of a turbocharger includes: a rotational speed sensor unit which includes a radar transmitter for emitting radar waves and a radar receiver for receiving the radar waves and which is designed to detect radar waves reflected by a machine element of the turbocharger and to provide them as a measuring signal; and an evaluation unit which is coupled to the rotational speed sensor unit and is designed to check whether the reflected radar waves are detectable by the radar receiver based on a predetermined criterion and to ascertain the rotational speed of the turbocharger based on an evaluation of the measuring signal. | 04-30-2015 |
| 20150342118 | MONITORING OF OPERATING MODES FOR HARVESTERS - A method and control system are disclosed for monitoring operating modes of a harvester. A harvester may include one or more harvesting devices driven by one or more hydraulic circuits. A lower pressure limit and a current operating pressure may be determined for a hydraulic circuit of a harvesting device. The determined pressure limit and operating pressure may be compared, and a current operating mode for the harvester identified accordingly. The operating mode may include at least one of a waiting mode, a transport mode, a maneuvering mode, and a harvesting mode. | 12-03-2015 |
| 20160033364 | VEHICLE METER INDICATOR DEVICE - To show an image with minimal sense of discomfort felt by an occupant without quickening an updating cycle of an on-screen image, a virtual data generator making up a vehicle meter indicator device generates virtual data based on an arbitrary engine rotation speed between an engine rotation speed proportional to an image currently shown on a liquid crystal display device and a latest engine rotation speed rather than display data based on the latest engine rotation speed immediately before updating if the engine rotation speed declines. This allows the liquid crystal display device to show the generated virtual data on a liquid crystal panel as a virtual image for updating. | 02-04-2016 |
| 20160124011 | method for determining an average segment time of an encoder wheel of an internal combustion engine - A method for determining an average segment time of an encoder wheel of an internal combustion engine, the encoder wheel being connected in rotationally fixed fashion to a crankshaft of the internal combustion engine, markings being situated along the circumference of the encoder wheel, and the crankshaft of the internal combustion engine passing through specified angular ranges during segment times, segment times being acquired, associated rotational speed values being determined from the segment times, a rotational speed curve being determined from the individual determined rotational speed values, a value of the average rotational speed being determined from the rotational speed curve, and an average segment time being determined from the value of the average rotational speed. | 05-05-2016 |
