Washer fluid system and delivery method
US11209840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2019 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Apr 24, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A washer fluid delivery system includes a washer fluid reservoir having a first zone with a first low point and a second zone with a second low point. A first valve is disposed in the first zone. The first valve is moveable back and forth between a flow permitting position and a flow restricting position in response to an amount of washer fluid within the first zone. A second valve is disposed in the second zone. The second valve is moveable back and forth between a flow permitting position and a flow restricting position in response to an amount of washer fluid within the second zone. A pump operates to draw a washer fluid from the first zone when the first valve is in the flow permitting position, and to draw a washer fluid from the second zone when the second valve is in the flow permitting position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.