公开(公告)号：EP1910652A2

公开(公告)日：2008-04-16

申请号：EP06778948.7

申请日：2006-06-08

申请人： PEUGEOT CITROËN AUTOMOBILES S.A.

发明人： GAUCHARD, Sébastien ,  BLEUSSE, Michel

IPC分类号： F01M11/10

CPC分类号： F01M11/10 ,  F01M2011/1446 ,  F01M2011/148 ,  F16N2200/02 ,  F16N2200/12 ,  F16N2250/04 ,  F16N2260/18

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.

公开(公告)号：EP1471216A2

公开(公告)日：2004-10-27

申请号：EP04076183.5

申请日：2004-04-19

申请人： Delphi Technologies, Inc.

发明人： Han, Taeyoung ,  Wang, Su-Chee Simon ,  Krage, Mark K. ,  Lin, Yingjie

IPC分类号： F01M11/10

CPC分类号： F01M11/10 ,  F01M2011/1446 ,  F01M2011/1473 ,  F01M2011/148

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.

摘要翻译： 发动机控制模块（12）包括在算法的确定性地雷使用测得的油温度，油压和发动机转数的发动机的润滑油（20）的算法的确定性地雷。粘度无论润滑油使用处于优选的操作范围 确定性开采油的粘度和新鲜油的粘度。 一看表有油粘度测量油压力的功能。 因此独立权利要求中包括了以下内容：（a）至发动机机油更换指示方法; （B）到发动机机油更换确定设备。

公开(公告)号：EP1715148A3

公开(公告)日：2010-08-25

申请号：EP06112611.6

申请日：2006-04-13

申请人： Toyota Jidosha Kabushiki Kaisha

发明人： FURUHASHI, Michio

IPC分类号： F01M11/06

CPC分类号： F01M1/16 ,  F01M9/02 ,  F01M11/06 ,  F01M11/12 ,  F01M2011/148

摘要： In an engine oil level adjusting apparatus including an oil pan (3) provided to a lower portion of an engine main body (1), a sub tank (5) communicating with the oil pan, and oil feeding means (6) for selectively feeding engine oil between the oil pan and the sub tank in both ways, there are provided viscosity measuring means (7) for measuring a viscosity of the engine oil in the oil pan, amount-of-remaining oil detecting means (8) for measuring the amount of engine oil in the oil pan, and control means (9) for determining an appropriate oil level in the oil pan on the basis of the viscosity of engine oil obtained by the viscosity measuring means and for driving the oil feeding means so as to obtain the appropriate oil level.

公开(公告)号：EP2096434A2

公开(公告)日：2009-09-02

申请号：EP08171505.4

申请日：2008-12-12

申请人： Honda Motor Co., Ltd.

发明人： Nedachi, Yoshiaki ,  Ozeki, Takashi ,  Tsunashima, Kousuke

IPC分类号： G01N33/28

CPC分类号： G01N33/2888 ,  F01M11/10 ,  F01M2001/123 ,  F01M2011/1473 ,  F01M2011/148

摘要： To provide an oil-degradation determination apparatus for detecting the degradation of oil circulated in and supplied to an engine (10), on the basis of measured data on an electric pump (41) that circulates and supplies oil, without using a special sensor to detect the degradation of oil.
An oil-degradation determination apparatus includes: electric-current initial-value storing means (1a) which measures an electric-current value of a driving current used to operate an electric pump (41) at a predetermined constant revolution when the engine (10) is driven immediately after an oil change, and stores the electric-current value as an electric-current initial value; pump-driving-time electric-current value measurement means (2a) which collects data by measuring the electric-current value of the driving current used to operate the electric pump (41) at the predetermined constant revolution when the engine (10) is driven a predetermined time after the oil change; comparison means (3) which compares the electric-current initial value with the electric-current value thus measured; and determination means (4) (4) which determines that the viscosity of the oil has become low when the difference between the two electric-current values thus compared by the comparison means (3) is equal to or more than a predetermined value.

摘要翻译： 为了提供一种用于检测在发动机（10）中循环和供给到发动机（10）中的油的劣化的油分劣化确定装置，基于在不使用特殊传感器的情况下循环并供给油的电动泵（41）上的测量数据 检测油的降解。 油劣化确定装置包括：电流初始值存储装置，其在发动机（10）中测量用于在预定的恒定转速下操作电动泵（41）的驱动电流的电流值， 在油更换之后立即被驱动，并将电流值存储为电流初始值; 泵驱动时电流值测量装置（2a），其通过在所述发动机（10）被驱动时以预定的恒定转速测量用于操作所述电动泵（41）的驱动电流的电流值来收集数据 换油后的预定时间; 将电流初始值与如此测定的电流值进行比较的比较装置（3） 以及当由比较装置（3）比较的两个电流值之间的差异等于或大于预定值时，确定油的粘度变低的确定装置（4）（4）。

公开(公告)号：EP1715148A2

公开(公告)日：2006-10-25

申请号：EP06112611.6

申请日：2006-04-13

申请人： Toyota Jidosha Kabushiki Kaisha

发明人： FURUHASHI, Michio

IPC分类号： F01M11/06

CPC分类号： F01M1/16 ,  F01M9/02 ,  F01M11/06 ,  F01M11/12 ,  F01M2011/148

摘要： In an engine oil level adjusting apparatus including an oil pan (3) provided to a lower portion of an engine main body (1), a sub tank (5) communicating with the oil pan, and oil feeding means (6) for selectively feeding engine oil between the oil pan and the sub tank in both ways, there are provided viscosity measuring means (7) for measuring a viscosity of the engine oil in the oil pan, amount-of-remaining oil detecting means (8) for measuring the amount of engine oil in the oil pan, and control means (9) for determining an appropriate oil level in the oil pan on the basis of the viscosity of engine oil obtained by the viscosity measuring means and for driving the oil feeding means so as to obtain the appropriate oil level.

摘要翻译： 在包括设置在发动机主体（1）的下部的油盘（3）的发动机油位调节装置中，与油盘连通的副油箱（5）和用于选择进给的供油装置 在油盘和副油箱之间的发动机油以两种方式设置，提供了用于测量油盘中的发动机油的粘度的粘度测量装置（7），用于测量油底壳的剩余油量检测装置（8） 以及控制装置（9），用于基于由粘度测量装置获得的发动机油的粘度和用于驱动供油装置来确定油盘中适当的油位，以便 获得适当的油位。

公开(公告)号：EP2096434B1

公开(公告)日：2013-08-21

申请号：EP08171505.4

申请日：2008-12-12

申请人： Honda Motor Co., Ltd.

发明人： Nedachi, Yoshiaki ,  Ozeki, Takashi ,  Tsunashima, Kousuke

IPC分类号： G01N33/28

CPC分类号： G01N33/2888 ,  F01M11/10 ,  F01M2001/123 ,  F01M2011/1473 ,  F01M2011/148

公开(公告)号：EP2388447A1

公开(公告)日：2011-11-23

申请号：EP11163429.1

申请日：2011-04-21

申请人： Schaeffler Technologies GmbH & Co. KG

发明人： Traversa, Piergiacomo

IPC分类号： F01M11/10

CPC分类号： F01M11/10 ,  F01M2011/148

摘要： Verfahren zur Ermittlung einer Viskositäts-Kenngröße eines Motoröls in einem Verbrennungsmotor, wobei zu einer elektronischen Motorsteuerung eine Vielzahl von einen Betriebszustand des Verbrennungsmotors charakterisierender Betriebsparameter erfasst und/oder ermittelt wird, wobei zu verschiedenen Zeitpunkten aus diesen Betriebsparametern mehrere zumindest eine Grobaussage über die Viskosität des Motoröls zulassende Parameter jeweils zu einer Einzelprognose über die Viskosität des Motoröls ausgewertet werden, wobei Änderungen der Einzelprognosen bei vergleichbaren Arbeitspunkten des Verbrennungsmotors gegenüber einem Zustand neuen Motoröls erfasst werden, und wobei aus den Änderungen der mehreren Einzelprognosen auf die Viskositäts-Kenngröße geschlossen wird. Dazu wird eine entsprechende Steuereinrichtung zur elektronischen Motoransteuerung angegeben.

摘要翻译： 该方法涉及对电子发动机控制的内燃发动机的多个操作模式的操作参数确定的采矿特性。 的马达油许可参数粘度的粗略指示是通过在发动机油中的不同时间点的粘度的各个预测评估。 在内燃机的可比运营点的预测个体相对于新的发动机机油的状态检测参数的变化。 粘度特性从单独的预测数的变化来判断。 因此独立claimsoft包括用于电子发动机的控制的控制装置。

公开(公告)号：EP2006661A3

公开(公告)日：2009-10-07

申请号：EP08157518.5

申请日：2008-06-03

申请人： Delphi Technologies, Inc.

发明人： Carmona, Jesus ,  Lin, Yingjie

IPC分类号： G01N11/16 ,  F01M11/10

CPC分类号： G01N11/16 ,  F01M2011/148 ,  F16N2250/36

摘要： A viscosity sensor for, e.g., outputting a signal representing the viscosity of engine oil has one or more piezoelectric diaphragms disposed in a fluid chamber (28) of a housing (20). An elongated amplification channel (30) is formed in the housing (20) and extends away from the chamber (28). The diaphragm can be excited to induce fluid movement that in turn induces the diaphragm to output a sensor signal representative of the viscosity of the fluid.

公开(公告)号：EP1262760A1

公开(公告)日：2002-12-04

申请号：EP02010021.0

申请日：2002-05-04

申请人： Conti Temic microelectronic GmbH

发明人： Hubrich, Stefan ,  Pulvermüller, Michael

IPC分类号： G01N11/02

CPC分类号： F01M11/10 ,  F01M2011/148 ,  F16N2200/12 ,  G01N11/06 ,  G01N33/30

摘要： Die Erfindung betrifft ein Verfahren zum Bestimmen der Viskosität einer Betriebsflüssigkeit einer Brennkraftmaschine eines Fahrzeugs durch Ermitteln der Füllstandshöhe der Betriebsflüssigkeit.
Bei einem bekannten Verfahren wird die Viskosität der Betriebsflüssigkeit aus dem zeitlichen Verlauf von Änderungen der Füllstandshöhe der Betriebsflüssigkeit ermittelt. Dazu wird nach dem Abschalten einer Brennkraftmaschine durch Messung des zeitlichen Verlaufs der Füllstandshöhe des Motorenöls bestimmt. Die Messung kann aber ausschließlich beim Abstellen der Brennkraftmaschine erfolgen.
Dieser Nachteil wird bei dem vorliegenden Verfahren dadurch vermieden, dass laufend der Verlauf der Füllstandshöhe und der Verlauf der Querbeschleunigung erfasst wird, um aus der dem zeitlichen Verlauf der beiden Signalverläufe die Viskosität der Betriebsflüssigkeit zu bestimmen.
Der Vorteil der Erfindung besteht darin, bereits verfügbare Sensorsignale von in der Serie befindlichen, erprobten Sensoranordnungen miteinander zu kombinieren und daraus als zusätzliche Kenngröße die Viskosität zu ermitteln. Die hierfür notwendige Rechenleistung wird von Standardsteuergeräten übernommen.

摘要翻译： 在行驶中的油底壳中的油位和车辆的横向加速度被测量，然后被分析以输出一对信号。 基于将信号与阈值进行比较来计算两个信号之间的比率。 几个比率的平均值对应于油的粘度。

公开(公告)号：EP1029160A1

公开(公告)日：2000-08-23

申请号：EP98958892.6

申请日：1998-11-04

申请人： Volkswagen Aktiengesellschaft ,  Mobil Schmierstoff Gmbh

发明人： PICKERT, Detlef ,  SCHUHMACHER,Volker ,  SÖLTER, Harald ,  VÖLTZ, Martin

IPC分类号： F01M11/10 ,  G07C5/00

CPC分类号： G01N33/2888 ,  F01M11/10 ,  F01M2011/14 ,  F01M2011/148 ,  F16N2260/18 ,  G01N11/14 ,  G07C5/006

摘要： The invention relates to a method and device for monitoring and/or determining motor oil quality by determining the viscosity of the motor oil during the operation of internal combustion engines. The quality of motor oil is especially used in motor vehicle technology, for example in order to determine maintenance intervals of motor vehicles, especially intervals at which the oil is to be changed. Known methods require costly measuring techniques and are inexact. According to the invention, the quality of the motor oil is monitored by determining and evaluating the changes in the viscosity of the oil according to the temperature and frictional torque of the motor. This method is carried out in a simple manner without additional measuring devices and with reliable results. Significant changes of the motor oil quality can thus be deemed as an indication that an oil change is necessary.