| 摘要 |
<p>1. An oil level gauging device for an automatic gearbox on a motor vehicle and comprising a level detector (4) connected to an electronic processing means (5) connected to a power supply circuit provided with a switch key (10) and a first switch (14) which is controlled by a second switch (12) of the telltale (11) of the engine oil pressure switch (103) characterised in that it comprises : a specific control circuit (13) for the electronic processing means (5), the feed for the latter being provided by a third switch (48) controlled by said specific control circuit (13) ; a fourth switch (16) which is controlled by said electronic processing means (5) and which is connected to the circuit for supplying a member (9) for displaying said oil level ; said specific control circuit (13) receives the information in respect of engine load alpha c , vehicle speed Vv , positions of the selector in "Neutral" and "Parking" of said gearbox, power supply by the first switch (14) and voluntary action on the part of the driver by a pushbutton (20) to call for display of the gearbox oil level ; and a specific electronic circuit (6) which, by association with a temperature probe (3), corrects the value of the level signal emitted by the electronic processing means (5) and transmitted to the display member (9).</p> |
