household appliances

A technology for household appliances and containers, which is used in household appliances, household cleaning devices, applications, etc., can solve the problems of complex cost of metering pumps, and achieve the effects of good force balance, reduced friction, and good bending force.
CN109072905BActive Publication Date: 2020-08-04BOSCH SIEMENS HAUSGERATE GMBH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BOSCH SIEMENS HAUSGERATE GMBH
Publication Date
2020-08-04

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Abstract

Household appliance with an eccentric worm pump (101), wherein the eccentric worm pump (101) comprises a stator (108) and a movable rotor (102), the rotor corresponding to the stator (108), wherein the The rotor (102) has an eccentric worm (105) and a drive shaft (109) for driving the eccentric worm (105), wherein the drive shaft (109) is flexible and integral with the eccentric worm (105) ground structure.
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Description

technical field

[0001] The invention relates to a household appliance, in particular a washing machine or washing machine. Background technique

[0002] In domestic appliances of this type, a simple and inexpensive dosing pump for fluids, in particular for liquid detergents, is advantageous in order to be used as a dosing system in the domestic appliance. Different variants of metering systems are known here, such as positive displacement pumps (gear pumps, hose pumps or piston pumps). So-called eccentric worm pumps are also known, which are often used for a variety of purposes. Furthermore, so-called Archimedes screws are known, which have only one single moving part in the form of a worm, which, however, are not volumetric machines and cannot be used for the current purpose. In addition, worm pumps are known which have a plurality of nested worms which are designed in particular with two but alternatively also with four worms. However, these solutions are technically v...

Claims

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