摘要:
The invention relates to a device for optimizing the maintenance of a motor vehicle comprising means for determining, over time, at least one derivative of the lubricating oil at the entrance to the engine and means for notifying the driver when this derivative reaches a predefined threshold.
摘要:
An oil change sensing system (10) for an internal combustion engine (30), having an oil pressure sensor (14) adapted to provide an oil pressure signal to an engine control module (12); an oil temperature sensor (16) adapted to provide an oil temperature signal to the engine control module; wherein the engine control module comprises an algorithm (70, 170) which determines the oil's viscosity by using the measured oil temperature and oil pressure and the determined oil viscosity and a fresh oil viscosity are used to determine whether the oil is in a preferred operating range.
摘要:
Various embodiments of the invention include a system 102 having: at least one computing device 124 at least one computing device 124 configured to monitor a lubrication oil 300 by performing actions including: determining an initial ideal remaining life for the lubrication oil 300; determining a temperature-based remaining life for the lubrication oil 300 based upon a temperature measurement of the lubrication oil 300; calculating a contamination factor of the lubrication oil 300 based upon a non-particle count sample of the lubrication oil 300; determining an updated ideal life remaining for the lubrication oil 300 based upon the contamination factor, the initial ideal remaining life, and the temperature-based remaining life; and determining an actual life remaining for the lubrication oil 300 based upon the updated ideal life remaining and an actual life lost for the lubrication oil 300.
摘要:
A machine lubrication system monitor (11) collects lubricant pressure (30), flow rate (22), and temperature (26) information and calculates as a function thereof a substantially constant magnitude signal representing normal machine operation. Deviation therefrom indicates abnormal and potentially damaging machine operation. As a result, variation in lubricating oil viscosity, excess operating temperature, or change in oil flow path, e.g., leakage, in a pressurized lubricating fluid supply may be detected and machine damage avoided.
摘要:
An oil change sensing system (10) for an internal combustion engine (30), having an oil pressure sensor (14) adapted to provide an oil pressure signal to an engine control module (12); an oil temperature sensor (16) adapted to provide an oil temperature signal to the engine control module; wherein the engine control module comprises an algorithm (70, 170) which determines the oil's viscosity by using the measured oil temperature and oil pressure and the determined oil viscosity and a fresh oil viscosity are used to determine whether the oil is in a preferred operating range.
摘要:
A machine lubrication system monitor (11) collects lubricant pressure (30), flow rate (22), and temperature (26) information and calculates as a function thereof a substantially constant magnitude signal representing normal machine operation. Deviation therefrom indicates abnormal and potentially damaging machine operation. As a result, variation in lubricating oil viscosity, excess operating temperature, or change in oil flow path, e.g., leakage, in a pressurized lubricating fluid supply may be detected and machine damage avoided.
摘要:
Die Erfindung betrifft ein Verfahren zur Bewertung der Schmierung von aneinander reibenden Reibkomponenten einer mittels eines Schmiermittel-Kreislaufs (5) schmierbaren Einrichtung (3), insbesondere einer Brennkraftmaschine oder eines Automatikgetriebes, wobei eine Schmiermittelpumpe (9) des Schmiermittelkreislaufs (5) mittels eines die Einrichtung ausbildenden Antriebsmotors oder mittels eines die Einrichtung antreibenden Antriebsmotors (3) antreibbar ist. Erfindungsgemäß ist eine Druck-Ermittlungseinrichtung (19) vorgesehen, mittels der während eines Motorstartvorgangs der Schmiermitteldruck an wenigstens einem definierten Bereich des Schmiermittelkreislaufs (5) kontinuierlich ermittelt wird, wobei zudem eine Weg-Ermittlungseinrichtung vorgesehen ist, mittels der zu mehreren Druck-Zeitpunkten, an denen der mittels der Druck-Ermittlungseinrichtung ermittelte Schmiermitteldruck jeweils einen definierten Druck-Grenzwert (p 1 , p 2 , p 3 ) überschreitet, der Relativweg zwischen den Reibkomponenten seit Beginn des Motorstartvorgangs ermittelt und/oder abgeschätzt wird, und wobei eine Auswerteeinrichtung (17) vorgesehen ist, mittels der aus der Summe der zu den Druck-Zeitpunkten ermittelten Relativweg-Werte (ϕ 1 , ϕ 2 , ϕ 3 ) ein Bewertungswert ermittelt wird, der den Schmiermitteldruck-Aufbau während des Motorstartvorgangs bewertet.
摘要:
The invention relates to an apparatus for monitoring an oil thermostat arranged in an oil circuit of an internal combustion engine. The apparatus comprises a sensor unit (4, 14b; 15) which is designed to determine at least one first parameter, by means of which a current setpoint operation of the oil thermostat (10) can be derived, and to determine at least one second parameter, by means of which a current actual operation of the oil thermostat (10) can be derived. The apparatus further comprises an evaluation device (40), which is designed to detect an onset of an error function of the oil thermostat (10) as a function of the first parameter and the second parameter.
摘要:
An oil change indicator (10) for recording one or more parameters indicative of when an engine oil filter (30) has been changed. The oil change indicator (10) includes a sensor (34) that measures oil pressure of an engine (12) at startup. A comparator (40) compares an output provided by the sensor (34) to known parameters to determine whether the oil filter (30) has been changed. A recorder (42) coupled to the comparator (40) records one or several parameters indicative of when the oil filter (30) has been changed.
摘要:
An oil change indicator (10) for recording one or more parameters indicative of when an engine oil filter (30) has been changed. The oil change indicator (10) includes a sensor (34) that measures oil pressure of an engine (12) at startup. A comparator (40) compares an output provided by the sensor (34) to known parameters to determine whether the oil filter (30) has been changed. A recorder (42) coupled to the comparator (40) records one or several parameters indicative of when the oil filter (30) has been changed.