Window and lens glass cleaning system
OwnerGerhard Vogtinventor
Life of this patent
Estimating the term…
Abstract
In a window and lens glass cleaning system for a window/lens glass of a motor vehicle, a washer nozzle, a heating element and a nonreturn valve are in each case arranged on or in a retaining part. The retaining part is fastened on a wiper arm which can pivot over the window/lens glass. The invention largely prevents washer fluid in the washer nozzle from freezing.
Claims20
A window and lens glass cleaning system for a window/lens glass of a motor vehicle, comprising a pivotally mounted wiper arm for holding a wiper lip, which slides over the window/lens glass, said system comprising at least one washer fluid pipe which is mounted on the wiper arm and is connected to a retaining part mounted on the wiper arm, the retaining part having a washer nozzle, wherein washer fluid situated in the retaining part is heatable with a heating element mounted to the retaining part, wherein a nonreturn valve is located in the retaining part and arranged directly in front of the washer nozzle, as seen in the direction of flow.
A surface cleaning system for a vehicle, comprising:
- a wiper arm;
- a fluid pipe mounted to the wiper arm;
- a retaining part mounted to the wiper arm, the retaining part including a washer nozzle and a heating element, wherein the fluid pipe communicates with the retaining part and wherein fluid transported by the fluid pipe to the retaining part is heatable by the heating element;
- and
- a nonreturn valve located between a portion of the fluid pipe and the washer nozzle.
The system of claim 16, wherein the nonreturn valve is located within the retaining part and the nonreturn valve is located between the end portion of the fluid pipe and the washer nozzle.
The system of clam 15, wherein the nonreturn valve is clamped between a connecting branch of the fluid pipe and the retaining part.
A surface cleaning system for a vehicle comprising:
- a wiper arm;
- a fluid conduit on the wiper arm, the fluid conduit terminating in a washer nozzle;
- a heating element on the wiper arm which can heat fluid in the fluid conduit;
- and
- a nonreturn valve located in line with the fluid conduit, allowing fluid in the fluid conduit to pass therethrough in one direction.
Dependencies are inferred from the claim text.