Laundry chemical dispenser
US5435157A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1994 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Jan 27, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87627
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention is a chemical dispenser for use in servicing at least two laundry cleaning machines to dispense a plurality of chemical agents utilized in the process of cleaning soiled laundry, wherein at least two of the chemical agents are compatible. The chemical dispenser has a plurality of chemical dispensing systems designed to deliver a selected chemical agent from a source to a washing machine. A chemical dispensing system is in flow communication with each chemical source and in flow communication with each washing machine. Each chemical dispensing system has a pump and a delivery conduit. For selected chemical agent delivery, the pump is a venturi injector pump. The chemical dispensing systems utilized for dispensing compatible chemical agents have a common portion and are fluidly independent from chemical dispensing systems utilized for dispensing incompatible chemical agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.