Gasoline engine throttle valve icing test method
The invention discloses a gasoline engine throttle valve icing test method, and the test method and specific test conditions of throttle valve icing are defined. In the product development stage, the vehicle state guarantees that ECU data are normal, an engine works normally, under the condition tha...
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| creator | WU SHUAI CHEN GUOQIANG MENG CUIHONG LI XIN ZHANG YASONG LIU XIAOYANG LIU HUAN WANG ZHIGANG WANG YANTAO YUAN BO |
| description | The invention discloses a gasoline engine throttle valve icing test method, and the test method and specific test conditions of throttle valve icing are defined. In the product development stage, the vehicle state guarantees that ECU data are normal, an engine works normally, under the condition that the environment temperature range of the cold region is-30 DEG C to-25 DEG C, a test is conducted according to the low-speed running working condition, and meanwhile the engine oil temperature of the engine is monitored; when the engine oil temperature reaches 40 DEG C, the test is stopped immediately, parking and flameout are conducted, after the parking conditions are outdoor, ventilation, light shielding, engine room cover opening and standing for 12 hours, the icing condition in an intake manifold is checked, engine starting and ignition are conducted, fault information is concerned, and the vehicle condition is started; through visual inspection and engine starting inspection, the freezing degree of the thro |
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| subjects | MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
| title | Gasoline engine throttle valve icing test method |
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