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Washing machine lid lock with memory wire actuator

A technology of metal wire and memory alloy, which is applied in other washing machines, washing devices, textiles and papermaking, etc.

Inactive Publication Date: 2011-06-22
ARK LES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bimetallic strips can be heated by passing current directly through them or through a PTC resistor connected to a portion of the flat side of the bimetallic strip, which is not suitable for wax actuators

Method used

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  • Washing machine lid lock with memory wire actuator
  • Washing machine lid lock with memory wire actuator
  • Washing machine lid lock with memory wire actuator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] See now figure 1 A standard top-loading washing machine 10 includes a lid 12 that can be closed to cover the rotating basket 14. The bolt 16 may extend downward from one edge of the cover 12 so as to be accommodated by the locking mechanism 18 in the housing of the washing machine 10.

[0043] See figure 2 The locking mechanism 18 may include a housing 20 connected to the housing of the washing machine 10. The housing 20 is preferably constructed of electrically insulating thermoplastic so as to insulate the elements in the locking mechanism 18 as described below.

[0044] The latch bolt 16 extending downward from the cover 12 can enter the opening in the housing 20 so as to be received by the pin receiving groove 24 located at the periphery of the scraper 26, and the scraper 26 rotates about the axis 28. The extension spring 30 is connected between the housing 20 and the rotating scraper 26 near the pin receiving groove 24, and the rotating scraper 26 is fully biased befo...

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PUM

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Abstract

An actuator suitable for a washing machine lid lock employs a shape memory alloy wire indirectly heated by a temperature regulating heater that provides a sliding coupling to the wire and that may be driven, for example, directly by line voltage without the need for temperature regulation circuitry.

Description

[0001] Cross reference of related applications [0002] This application is a partial continuation of the U.S. Patent Application Serial No. 10 / 982,008 filed on November 5, 2004, which is incorporated herein by reference. [0003] Federally funded research or development statement Technical field [0004] The invention relates to a lid lock for a washing machine, in particular to a memory wire actuator that can be used in this or other applications. Background technique [0005] During the spinning cycle of the washing machine, the clothes in a spin basket are rotated at a high speed to spin water out of the clothes. In order to reduce the possibility of injury to the user, the cover of the washing machine that blocks access to the rotating basket can be locked in the closed position during the washing and spinning cycle. Lid locks used for this purpose are usually designed to keep the lid closed for a period of time after the end of the rotation cycle or power failure to give time ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06F39/14
Inventor M・S・奥斯瓦蒂克
Owner ARK LES