WASHING MACHINE AND DETERGENT DELIVERY PUMP ASSEMB

专利名称：WASHING MACHINE AND DETERGENT

DELIVERY PUMP ASSEMBLY THEREOF

发明人：BAN, Yong,WANG, Lidong申请号：EP13763530.6申请日：20130322公开号：EP2829650A1公开日：20150128

专利附图：

摘要：A washing machine and detergent delivery pump assembly thereof, thedetergent delivery pump assembly comprising a pump (10), a plurality of pistons (20), amotor assembly (40), and a transmission mechanism (30, 50). The pump (10) is provided

with a plurality of fixed-volume cavities (11) therein for receiving the detergent; eachfixed-volume cavity (11) is provided with a liquid inlet valve (12) and a liquid outlet valve(13) thereon; the plurality of pistons (20) are disposed in each fixed-volume cavity (11) inone-to-one correspondence; each piston (20) comprises a piston head (21); the pistonhead (21) is controlled to reciprocate in the fixed-volume cavity (11) to suck in or pushout a fixed-volume of detergent; the transmission mechanism (30, 50) is used to link theplurality of piston heads (21) with the motor assembly (40), and to control one of thepiston heads (21) to move in the fixed-volume cavity (11) via the motor assembly (40).Therefore, the detergent dosing pump assembly of the present invention not onlyensures the flexible and stable control of detergent delivery, but also enables thedetergent delivery pump assembly to have a compact structure, thus effectively reducingmanufacturing cost.

申请人：Wuxi Little Swan Co. Ltd.

地址：No.18 South Changjiang Road New District Wuxi Jiangsu 214028 CN

国籍：CN

代理机构：Zumstein, Angela

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