DE3039050C2 - Test bench device for measuring the amount of leakage oil at valve stem seals - Google Patents
Test bench device for measuring the amount of leakage oil at valve stem sealsInfo
- Publication number
- DE3039050C2 DE3039050C2 DE19803039050 DE3039050A DE3039050C2 DE 3039050 C2 DE3039050 C2 DE 3039050C2 DE 19803039050 DE19803039050 DE 19803039050 DE 3039050 A DE3039050 A DE 3039050A DE 3039050 C2 DE3039050 C2 DE 3039050C2
- Authority
- DE
- Germany
- Prior art keywords
- amount
- gas exchange
- measuring
- leakage oil
- valve stem
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
- Examining Or Testing Airtightness (AREA)
Description
jojo
Die Erfindung bezieht sich ?vf eine Prüfstandsvorrichtung zum Messen der Leckölmenge an Ventilschaft- · abdichtungen in einem für Brennkraftmaschinen vorgesehenen Zylinderkopf mit einer /entile betätigenden Nockenwelle, die von einem Elektromotor antreibbar ist mit einem Schmierölzulauf für die Ventiltriebteile und einem unter dem Zylinderkopf angeordneten, die Leckölmenge aufnehmenden Meßbehälter sowie mit einer mit einem Gaswechselkanal verbundenen Unterdruckpumpe. The invention relates to? Vf a test apparatus for measuring the leakage amount of valve stem · seals in an intended for internal combustion engine cylinder head with a / alves actuating camshaft which can be driven by an electric motor, arranged with a lubricating oil inlet for the valve train parts and below the cylinder head, Leakage volume receiving measuring container and with a vacuum pump connected to a gas exchange channel.
Zum Messen der den Ventilpartien zuzuordnenden Leckölmenge bei Otto- und Dieselmotoren wird bekanntlich ein Original-Zylinderkopf herangezogen. *5 Um nach einem Dauerlauf innerhalb eines bestimmten Zeitraumes oder nach einer angenommenen Fahrstrekke die Leckölmenge ermitteln zu können, wird in dem Gaswechselventil mittels einer Unterdruckpumpe ein den Betriebszuständen der Brennkraftmaschine angepaßter Unterdruck erzeugt (Fachschrift E9, Goetzewerke A6, Burscheid).To measure the amount of leakage oil to be assigned to the valve sections in gasoline and diesel engines as is well known, an original cylinder head was used. * 5 To after a continuous run within a certain period of time or after an assumed route To be able to determine the amount of leakage oil, a vacuum pump is used in the gas exchange valve adapted to the operating conditions of the internal combustion engine Underpressure generated (technical publication E9, Goetzewerke A6, Burscheid).
Der Erfindung liegt die Aufgabe zugrunde, eine Prüfstandsvorrichtung der eingangs genannten Art durch einfache Maßnahmen so zu verbessern, daß in dem Gaswechselkanal Betriebszustände geschaffen werden, die den tatsächlichen Betriebszuständen einer Brennkraftmaschine voll entsprechen.The invention is based on the object of providing a test stand device of the type mentioned at the beginning to be improved by simple measures so that operating conditions are created in the gas exchange duct which fully correspond to the actual operating conditions of an internal combustion engine.
Die Aufgabe wird gemäß der Erfindung dadurch gelöst, daß an dem Gaswechselkana! eine Schwingungen erzeugende Einrichtung angeschlossen istThe object is achieved according to the invention in that on the gas exchange channel! a vibrations generating device is connected
Mit einer derartigen Prüfstandsvorrichtung ist neben der Erzeugung eines bestimmten Unterdrucks auch die Simulierung von in dem Gaswechselkanal einer Brennkraftmaschine auftretenden üblichen Schwingungen möglich, so daß eine exakte Leckölmengenmessung durchführbar istWith a test stand device of this type, in addition to the generation of a certain negative pressure, the Simulation of the usual vibrations occurring in the gas exchange duct of an internal combustion engine possible, so that an exact measurement of the amount of leakage oil can be carried out
Eine bevorzugte Ausführungsform der Erfindung ergibt sich dadurch, daß die Einrichtung eine Membran in einem mit dem Gaswechselkanal verbundenen Schwingrohr und einen die Membran über einen Kurbeltrieb antreibbaren drehzahlgeregelten Elektromotor aufweistA preferred embodiment of the invention results from the fact that the device is a membrane in an oscillating tube connected to the gas exchange duct and one the membrane over one Has crank drive drivable speed-controlled electric motor
Ober die Membrane ist somit das Überlagern einer beliebigen Pulsfrequenz möglich.Any pulse frequency can thus be superimposed over the membrane.
In vorteilhafter Weise kann die Unterdruckpumpe mit dem Schwingrohr in Verbindung stehen.The vacuum pump can advantageously be connected to the oscillating tube.
In weiterer Ausgestaltung der Erfindung kann der aus Kurbel und Pleuelstange bestehende Kurbeltrieb an seiner Kurbel einen verstellbaren Anlenkpunkt für die Pleuelstange aufweisen, um auf diese einfache Weise den Hub der Membran und somit die Unterdruckamplitude beliebig verändern zu können.In a further embodiment of the invention, the crank drive consisting of a crank and connecting rod can be connected to his crank have an adjustable pivot point for the connecting rod in order to be able to do this in a simple manner to be able to change the stroke of the membrane and thus the vacuum amplitude as desired.
Die Erfindung ist anhand eines in der Zeichnung veranschaulichten Ausführungsbeispieles im folgenden näher erläutertThe invention is based on an embodiment illustrated in the drawing in the following explained in more detail
Zum Messen der Leckölmenge an Ventilschaftabdichtungen wird ein Originalzylinderkopf 1 einer bekannten Brennkraftmaschine verwendet Für den Antrieb der Nockenwelle 2 ist in diesem Fall ein Elektromotor (nicht dargestellt) vorgesehen. An den Zylinderkopf 1 im Bereich des Gaswechselkanals 3 wird eine Einrichtung 4 angeflanscht die aus einer Membran 5, einem Kurbeltrieb 6 und einem drehzahlgesteuerten Elektromotor 7 besteht Der Kurbeltrieb 6 weist eine Kurbel 8 mit einem Langloch 9 auf, in dem die Pleuelstange 10 gelagert ist Der Anlenkpunkt 11 der Pleuelstange ist zwecks Änderung des Membranhubs in dem Langloch 9 verstellbar. Das andere Ende der Pleuelstange ist mit einer an der Membran 5 befestigten Hubstange 12 gelenkig verbunden.To measure the amount of leakage oil at valve stem seals, an original cylinder head 1 of a known one is used Internal combustion engine used In this case, an electric motor (not shown) provided. A device 4 is attached to the cylinder head 1 in the region of the gas exchange duct 3 flanged the membrane 5, a crank mechanism 6 and a speed-controlled electric motor The crank drive 6 has a crank 8 with an elongated hole 9 in which the connecting rod 10 The articulation point 11 of the connecting rod is in the elongated hole 9 for the purpose of changing the diaphragm stroke adjustable. The other end of the connecting rod is connected to a lifting rod 12 attached to the diaphragm 5 articulated.
Ferner ist eine Unterdruckpumpe 13 vorgesehen, die über eine Anschlußleitung 14 mit dem zum Gaswechselkanal 3 hinführenden Schwingrohr 15 der Einrichtung 4 verbunden ist.Furthermore, a vacuum pump 13 is provided, which via a connection line 14 to the gas exchange duct 3 leading oscillating tube 15 of the device 4 is connected.
An dem Zylinderkopf 1 im Bereich des Ventiltellers 16 des Gaswechselventiles 17 ist ein die Leckölmenge auffangender Meßbehälter 18 befestigt.On the cylinder head 1 in the area of the valve plate 16 of the gas exchange valve 17 is the amount of leaked oil collecting measuring container 18 attached.
In dem Zylinderkopf 1 befindet sich noch ein Schmierölzulauf 19 sowie ein Schmierölablauf 20.A lubricating oil inlet 19 and a lubricating oil outlet 20 are also located in the cylinder head 1.
Mit einer derartigen Prüfstandsvorrichtung können die motortypischen, saugseitigen Betriebszustände einer Brennkraftmaschine simuliert und somit eine exakte Messung der Leckölmengen durchgeführt werden.With such a test stand device, the typical engine, suction-side operating states of a Internal combustion engine is simulated and thus an exact measurement of the leakage oil quantities can be carried out.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803039050 DE3039050C2 (en) | 1980-10-16 | 1980-10-16 | Test bench device for measuring the amount of leakage oil at valve stem seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803039050 DE3039050C2 (en) | 1980-10-16 | 1980-10-16 | Test bench device for measuring the amount of leakage oil at valve stem seals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3039050A1 DE3039050A1 (en) | 1982-04-22 |
| DE3039050C2 true DE3039050C2 (en) | 1983-06-23 |
Family
ID=6114490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803039050 Expired DE3039050C2 (en) | 1980-10-16 | 1980-10-16 | Test bench device for measuring the amount of leakage oil at valve stem seals |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3039050C2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2677762B1 (en) * | 1991-06-14 | 1993-09-03 | Renault Automation | METHOD AND DEVICE FOR MONITORING THE CORRECT REALIZATION OF AN ASSEMBLY. |
| DE202009004133U1 (en) | 2009-03-21 | 2009-06-04 | IAMT Prüfsysteme GmbH | Test bench with adjustable crank drive and servo motor for tension and compression testing |
| CN102313630A (en) * | 2010-07-07 | 2012-01-11 | 广西玉柴机器股份有限公司 | Method for quickly and actually measuring sealing performance of valve oil seal of engine |
| CN114111668A (en) * | 2021-12-07 | 2022-03-01 | 北京蔚海明祥科技有限公司 | Be used for stay-supported displacement sensor reliability cycle testing arrangement |
-
1980
- 1980-10-16 DE DE19803039050 patent/DE3039050C2/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3039050A1 (en) | 1982-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE4337793C2 (en) | Method and device for assessing the functional state of a catalytic converter | |
| DE102008011342A1 (en) | Method for examining turbocharger of internal combustion engines in motor vehicles, involves operating engine in such manner that its air intake manifold does not receive air from compressor of turbocharger | |
| EP0474711A1 (en) | Process for determining the combustion air mass in the cylinders of an internal combustion engine. | |
| DE3039050C2 (en) | Test bench device for measuring the amount of leakage oil at valve stem seals | |
| DE2613275A1 (en) | Turbulence flow indicator system - used as model of IC engine cylinder head has torsion sensitive plate to simulate piston | |
| DE7518696U (en) | APPARATUS FOR TESTING CARBURETTORS O.DGL. | |
| DE2012117A1 (en) | Device for sensing pressure changes or pressure values | |
| DE2916583C2 (en) | Device for measuring the parameters of the indicator diagram of piston engines | |
| DE19954415B4 (en) | Cylinder uniform distribution test for internal combustion engines | |
| DE2401535C3 (en) | Device for determining the start of fuel injection in an internal combustion engine | |
| DE3320793A1 (en) | Method for determining the compression volume of reciprocating piston combustion engines | |
| DE2513288A1 (en) | METHOD AND EQUIPMENT FOR DETERMINING THE START OF INJECTION IN FUEL INJECTION ENGINES | |
| DE3832431A1 (en) | Method and measuring device for the determination of the attenuation properties of sound absorbing installations | |
| DE2905197A1 (en) | IC engine compression defect and wear tester - supplies pressurised gas to combustion chamber and measures flows | |
| DE3108459A1 (en) | Method for monitoring the leakproofness of containers | |
| DE614775C (en) | Silencers, especially for internal combustion engines | |
| DE610769C (en) | Method and device for measuring the suction force and degree of filling of ready-to-use internal combustion engines | |
| DE3942449A1 (en) | Fuel injection system for IC engine - comprising vibrating unit with piezoelectric crystal and vibrating horn as fuel disperser and metering valve | |
| DE3330883A1 (en) | FUEL FLOW MONITORING DEVICE FOR AN ELECTRONIC FUEL INJECTION CIRCUIT | |
| DE410610C (en) | Testing device for mechanical impact tools | |
| DE562664C (en) | Method and device for determining the objective size of exhaust noise and the damping of exhaust systems of internal combustion engines | |
| DE2700366B2 (en) | Method and device for finding causes of compression losses in four-stroke internal combustion engines | |
| DE2716420A1 (en) | IC engine fuel additive sprayed into intake manifold - is based on aliphatic alcohol, lubricating oil, rust inhibitor and hydrogen peroxide | |
| DE397567C (en) | Method and device for operating hot-air engines with internal combustion | |
| DE351901C (en) | Control device for internal combustion engines operating at different levels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8330 | Complete disclaimer |