Electric household appliance door locking device

A technology of household appliances and locking devices, which is applied in the direction of household cleaning devices, household utensils, household stoves, etc., can solve the problems of expensive, slow release, complicated manufacturing, etc., and achieve easy production, low operating energy consumption, simple electricity and machinery Effect

Active Publication Date: 2014-02-05
ELECTROLUX HOME PROD CORP NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The main disadvantage of door locking devices of the type described above is the high power consumption of the positive temperature coefficient components, which, although reducing their resistance when heated, still maintain power during operation of the appliance, thus resulting in an overall power consumption of t

Method used

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  • Electric household appliance door locking device
  • Electric household appliance door locking device
  • Electric household appliance door locking device

Examples

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Embodiment Construction

[0023] The following is a detailed description of the present invention with reference to the accompanying drawings to enable those skilled in the art to make and use it. As will be apparent to anyone skilled in the art, changes may be made to the described embodiments, and the general principles described may be applied to other embodiments and applications, without departing from the present invention as defined in the appended claims. protection scope of the invention. In other words, the present invention is not to be considered limited to the described and illustrated embodiments, but is to be accorded the broadest scope consistent with the principles and features described and claimed herein.

[0024] as a whole, by figure 1 The reference numeral 1 in indicates a household electrical appliance, which preferably but not necessarily corresponds to a washing machine, and which comprises: an outer shell 2; an inner compartment 3 corresponding to and facing the washing drum ...

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PUM

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Abstract

An electric household appliance having a casing (2); a compartment (3) housed inside the casing (2) and facing an opening (4); a door (5) fitted to the casing (2) and movable between an open position and a closed position; and a locking device (6); the locking device (6) having a box body (7) fixed to the casing (2), alongside the door (5); latch means (8, 13) fitted to the box body (7) to move between a lock position locking the door (5), and a release position releasing the door (5); and an actuating device (11) for selectively moving the latch means (8, 13) between the lock position and the release position, and which has at least an electrically conducting resistance wire (16) made of a shape-memory alloy and designed to vary in length alongside a variation in temperature, and electric power devices (18) for powering the resistance wire (16) and producing a controlled Joule-effect variation in temperature.

Description

technical field [0001] The invention relates to a door lock device of a household electrical appliance. [0002] More specifically, the present invention relates to a device designed to lock a door or a drawer in a closed position closing an opening in the housing of an electrical household appliance such as a washing machine, dryer, A washer-dryer combination, a dishwasher or an oven, etc., to which the following description refers by way of example only. Background technique [0003] As is well known, a household electrical appliance of the above-mentioned type, such as a washing machine, comprises: a casing; a laundry compartment, such as a drum, mounted inside the casing in a position facing a laundry loading / unloading opening in the casing; and a door hinged to the casing to rotate between open and closed positions that respectively open and close the opening. [0004] Appliances of the above type, such as washing machines, also include door locking means designed to ...

Claims

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Application Information

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IPC IPC(8): E05B47/00D06F39/14
CPCA47L2501/32E05B47/0009A47L15/0049D06F37/42E05B47/0603F24C15/022A47L2401/26D06F39/14A47L15/4259
Inventor 埃迪·法布罗贾恩卡洛·阿里戈尼马可·比亚西奥托托马索·卢凯蒂
Owner ELECTROLUX HOME PROD CORP NV
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