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Patent Searching and Data


Title:
DRAINING PUMP AND WASHING MACHINE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/007395
Kind Code:
A1
Abstract:
Disclosed is a draining pump, comprising a water outlet. The water outlet is provided with a check valve; the check valve comprises a valve body; the valve body comprises a valve chamber and a sealing station provided at the upstream of the valve chamber; a movable valve plug is provided within the valve chamber; the valve plug is able to move under the action of drainage water pressure to open a draining passage of the sealing station. The draining pump can effectively prevent residual water in a draining pipeline from returning to the draining pump, or even to an outer washing drum to cause any pollution; odors and mould in a sewer are prevented from entering the washing machine; noises of the draining pump are effectively reduced; the user experience is improved and convenience is brought to users.

Inventors:
ZHAO ZHIQIANG (CN)
LV PEISHI (CN)
Application Number:
PCT/CN2018/094653
Publication Date:
January 10, 2019
Filing Date:
July 05, 2018
Export Citation:
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Assignee:
QINGDAO HAIER WASHING MACH CO (CN)
International Classes:
D06F39/08; F04D29/00
Domestic Patent References:
WO2014121824A12014-08-14
Foreign References:
CN204705005U2015-10-14
CN105840544A2016-08-10
CN102505425A2012-06-20
Attorney, Agent or Firm:
BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)
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