公开(公告)号：US3826113A

公开(公告)日：1974-07-30

申请号：US35809873

申请日：1973-05-07

Applicant: ECONOMICS LAB

Inventor： BORAAS S ,  NYSTUEN M

IPC: D06F39/02 ,  D06F33/02

CPC classification number: D06F39/022 ,  Y10T137/86163

Abstract: A system for selectively adding a plurality of liquid chemicals to a laundry machine in response to triggering signals from the machine is disclosed. Pumps are provided for pumping chemicals from their shipping drums through conduit means to the washing machine. Control means are associated with this system allowing the operator to remotely vary the chemical mix pumped to the washer by making control switch selections. The selections correspond to the soil levels of the laundry load, the presence of greasy soils, the need for bleach and the presence of permanent press fabrics. This injection process is controlled by a plurality of sequentially activated electrical timers that energize relays to in turn energize the pumps in selected groups. Means are provided for limited remote monitoring of the function of the system.

Abstract translation: 公开了一种用于响应于来自机器的触发信号选择性地将多种液体化学品添加到洗衣机的系统。 提供泵，用于通过导管装置将化学品从其运输鼓中抽出到洗衣机。 控制装置与该系统相关联，允许操作者通过选择控制开关远程改变泵送到洗衣机的化学混合物。 选择对应于衣物负载的土壤含量，油腻土壤的存在，漂白剂的需要和永久性压榨织物的存在。 该喷射过程由多个顺序启动的电定时器来控制，该定时器为继电器通电，从而依次为所选择的组中的泵供电。 提供了对系统功能的有限远程监控的手段。