1、T RA N S L AT I O N OPE% TEST PROCEDURE TITLE Determination of Throttle Closing Time according to FMVSS 124 1-10-73 ORIGINAL EDITION DATE Date Pageis) 1 DE SCRIPT I ON Page is) In critical cases the German Edition is obligatory Pagedof 3 TRANSLATION o;F-e-tQa: Bms WEL TEST PROCEDURE - . PURPOSE: Fo
2、r security reasons a minimum closing period of 0.5 s is demanded in MVSS. The procedure is described in the following. EQUIPMENT: 1. Test vehicle 2. Metien pickup: accelerator- 31 Motion pickup: throttle valve Hottinger W 100; Hottinger amplifier WS T5 Hottinger W 50; Hottinger amplifier 33S T5 4. L
3、ight beam oscillograph Pro cedure : The time development of the gas pedal and throttle valve movement is recorded by one motion pickup at gas pedal and throttle valve each over 2 bridge ampli- fiers through a light beam oscillograph with gaged time. Process of measurement: 1. 2. 3. The accelerator i
4、s pressed down to the stop. The paper feeding is switched on with suitable paper speed (approx. 10 cm/s). By lateral withdrawing of the foot the accelerator returns abruptly to its starting position. The throttle valve follows with the unknown time delW. The time between withdrawing from the gas ped
5、al (x) and closing of the throttle valve (y) is called throttle valve closing time. AufzeichnunJ: des zeitlichen Verlaufee von einem Schlievorgang. (Beispiel) Recording of the time development of one closing process. (example) full throttle throttle valve foot off accelerato: - -._ . I I It, 1 f i I
6、 -1 I l , gprurhte &it time determined BrurrtS+ R&fwa throttle valve clost id1 ing Determination of throttle closing time according to FMVSS 124 TITLE Date TITE L .Ermittlung der Drosselklappenschliezeit im Hinblick auf Pos. die Forderung der FMVSS VAUXHALL Prepared by Approved by Date Body/Chassis/Power t rain Approved by Exp. Engineer Date OPEL Vorbereitet von Genehmigt von Datum Bod y/ C ha s c is /Po wert ra i n Genehmigt von Exp. Engineer Datum Date W e v i s i on s / n d e ru n g en Approved Page Approved k. Page of
