| 摘要 |
<p>1. Windscreen-washer consisting of two separate liquid reservoirs (1) which are each equipped with an electric pump (2) and are connected to the windscreen-washer nozzles (3) by means of a tee piece (4) with interposition, between the tee piece (4) and each pump (2), of a nonreturn means (5) and by a member (6) for the differential control of the electric pumps (2), the liquid reservoirs (1) each containing a different liquid, that is a washing liquid and a rinsing liquid, for example an anti-mosquito liquid and water in summer or a de-icer liquid and an antifreeze rinsing liquid in winter, characterised in that the member (6) for differential control of the electric pumps (2) is advantageously in the form of an electrochemical or electronic timer connected directly or by means of a relay (7) actuated by a conventional control lever (8) and having two contacts (9) and (10) for the deferred switching on and off of the electric pumps (2) and of which the switch on period of the first contact is adjustable, the second contact being cut off when the control lever (8) is released.</p> |
