AT386285B - Method of performing thermal shock test runs in liquid- cooled internal combustion engines and test bench for performing the method - Google Patents

Method of performing thermal shock test runs in liquid- cooled internal combustion engines and test bench for performing the method

Info

Publication number
AT386285B
AT386285B AT0302286A AT302286A AT386285B AT 386285 B AT386285 B AT 386285B AT 0302286 A AT0302286 A AT 0302286A AT 302286 A AT302286 A AT 302286A AT 386285 B AT386285 B AT 386285B
Authority
AT
Austria
Prior art keywords
internal combustion
liquid
thermal shock
combustion engines
microprocessor
Prior art date
Application number
AT0302286A
Other languages
German (de)
Other versions
ATA302286A (en
Inventor
Erich Dipl Ing Schreiber
Josef Dipl Ing Greier
Helmut Dipl Ing List
Original Assignee
Avl Verbrennungskraft Messtech
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Avl Verbrennungskraft Messtech filed Critical Avl Verbrennungskraft Messtech
Priority to AT0302286A priority Critical patent/AT386285B/en
Publication of ATA302286A publication Critical patent/ATA302286A/en
Application granted granted Critical
Publication of AT386285B publication Critical patent/AT386285B/en

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
    • G01M15/00—Testing of engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/02—Details or accessories of testing apparatus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing Of Engines (AREA)

Abstract

A method of performing thermal shock test runs in liquid- cooled internal combustion engines 1, the running internal combustion engine 1 being charged alternately with cold and hot cooling liquid. In the cooling system of the internal combustion engine 1, the thermostatic valve is replaced by an electrically driven valve 5, the radiator 2 is cooled by an additional blower 4 and, by means of the electrically driven valve 5, the coolant is led alternately through the radiator 2 or the internal coolant circuit 6 on its own. <IMAGE>

Description

  

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Claims (1)

<Desc/Clms Page number 3> für den Fahrhebel und eine elektrisch steuerbare Betätigungseinrichtung (15) für den Stophebel, gegebenenfalls eine elektrisch steuerbare Verstelleinrichtung für die Bremse, sowie einen Mikroprozessor (7) umfasst, und der Mikroprozessor (7) nach einem vorgebbaren Programm das Ventil (5) und die Betätigungseinrichtungen (19 bzw. 16) für Fahrhebel, Stophebel und die Verstelleinrichtung für die Bremse steuert und den Startvorgang über ein Starterrelais (10) einleitet.  <Desc / Clms Page number 3>  for the driving lever and an electrically controllable actuating device (15) for the stop lever, optionally an electrically controllable adjusting device for the brake, and a microprocessor (7), and the microprocessor (7) according to a predefinable program, the valve (5) and the actuating devices (19 or 16) for the drive lever, stop lever and the adjustment device for the brake controls and initiates the starting process via a starter relay (10). 5. Prüfstand nach Anspruch 4, dadurch gekennzeichnet, dass er ein Motorüberwachungsgerät (12) besitzt, das Drehzahl, Öldruck, Temperaturen, Leckgasmenge und andere Betriebswerte des Motors überwacht und als Datenerfassungsgerät dieser Grösse mit dem Mikroprozessor (7) in Verbindung steht, der diese Grössen abspeichert und im Rahmen des vorgegebenen Programms be- rücksichtigt.  5. Test stand according to claim 4, characterized in that it has an engine monitoring device (12) which monitors the speed, oil pressure, temperatures, leakage gas quantity and other operating values of the engine and is connected to the microprocessor (7) as a data acquisition device of this size Sizes are saved and taken into account as part of the specified program.
AT0302286A 1986-11-13 1986-11-13 Method of performing thermal shock test runs in liquid- cooled internal combustion engines and test bench for performing the method AT386285B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0302286A AT386285B (en) 1986-11-13 1986-11-13 Method of performing thermal shock test runs in liquid- cooled internal combustion engines and test bench for performing the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0302286A AT386285B (en) 1986-11-13 1986-11-13 Method of performing thermal shock test runs in liquid- cooled internal combustion engines and test bench for performing the method

Publications (2)

Publication Number Publication Date
ATA302286A ATA302286A (en) 1987-12-15
AT386285B true AT386285B (en) 1988-07-25

Family

ID=3544100

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0302286A AT386285B (en) 1986-11-13 1986-11-13 Method of performing thermal shock test runs in liquid- cooled internal combustion engines and test bench for performing the method

Country Status (1)

Country Link
AT (1) AT386285B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349700B3 (en) * 2003-10-24 2005-05-04 Daimlerchrysler Ag Thermoshock testing method for automobile engine exhaust manifold using simulated cylinder head for supplying exhaust manifold with heated pressurized air
DE102005021433A1 (en) * 2005-05-10 2006-11-16 Fev Motorentechnik Gmbh Coolant supply device for pressure sensors on internal combustion engine test stand, detects throughput of coolant in return lines and controls servo-valves accordingly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349700B3 (en) * 2003-10-24 2005-05-04 Daimlerchrysler Ag Thermoshock testing method for automobile engine exhaust manifold using simulated cylinder head for supplying exhaust manifold with heated pressurized air
DE102005021433A1 (en) * 2005-05-10 2006-11-16 Fev Motorentechnik Gmbh Coolant supply device for pressure sensors on internal combustion engine test stand, detects throughput of coolant in return lines and controls servo-valves accordingly

Also Published As

Publication number Publication date
ATA302286A (en) 1987-12-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee