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1. WO2000031480 - DEVICE FOR CONTROLLING THE SERVICE LOADS OF AN ELECTRIC HOUSEHOLD APPLIANCE, IN PARTICULAR A REFRIGERATOR

Publication Number WO/2000/031480
Publication Date 02.06.2000
International Application No. PCT/IT1999/000383
International Filing Date 24.11.1999
Chapter 2 Demand Filed 02.06.2000
IPC
F25D 29/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
29Arrangement or mounting of control or safety devices
H01H 61/02 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
61Electrothermal relays
02wherein the thermally-sensitive member is heated indirectly, e.g. resistively, inductively
CPC
F25B 2400/077
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2400General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
07Details of compressors or related parts
077Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
F25D 29/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
29Arrangement or mounting of control or safety devices
H01H 61/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
61Electrothermal relays
02wherein the thermally-sensitive member is heated indirectly, e.g. resistively, inductively
Applicants
  • MILLER EUROPE S.P.A. [IT]/[IT] (AllExceptUS)
  • BIANCHI, Raoul [IT]/[IT] (UsOnly)
Inventors
  • BIANCHI, Raoul
Agents
  • JORIO, Paolo
Priority Data
MI98A00253424.11.1998IT
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) DEVICE FOR CONTROLLING THE SERVICE LOADS OF AN ELECTRIC HOUSEHOLD APPLIANCE, IN PARTICULAR A REFRIGERATOR
(FR) DISPOSITIF POUR COMMANDER LES CHARGES UTILES D'UN APPAREIL ELECTROMENAGER, EN PARTICULIER UN REFRIGERATEUR
Abstract
(EN) A control unit (3) for controlling the service functions of an electric household appliance (e.g. a refrigerator) is connected in series with a positive temperature coefficient (PTC) resisting unit (4) which, when supplied with electric current, generates sufficient heat to activate thermally activated actuating means (6) for selectively connecting/disconnecting respective auxiliary switches (9) of service loads (2) corresponding to the service functions of the electric household appliance. The thermally activated actuating means (6) include a temperature-deformable element (7) (e.g. a bimetallic plate), the deformation of which is transmitted by kinematic connecting means (10) to a camshaft (8), the cams (12) of which cooperate with the auxiliary switches (9) of the service loads (2) to selectively connect/disconnect the auxiliary switches.
(FR) L'invention concerne une unité de commande (3) destinée à régir les fonctions d'utilisation d'un appareil électroménager (par exemple un réfrigérateur), cette unité de commande étant montée en série avec une résistance (4) à coefficient de température positif (PTC) qui, alimentée en courant électrique, génère suffisamment de chaleur pour activer des organes d'actionnement (6) à activation thermique. On connecte/déconnecte ainsi sélectivement les interrupteurs auxiliaires respectifs (2) des charges utiles (2) correspondant aux fonctions d'utilisation dudit appareil électroménager. Les organes d'actionnement (6) à activation thermique comprennent notamment un élément thermodéformable (7)(par exemple une plaque bimétallique), dont la déformation est transmise par des organes de connexion cinématiques (10) à un arbre à cames (8), les cames (12) de cet arbre coopérant avec les interrupteurs auxiliaires (9) desdites charge utiles (2) afin de connecter/déconnecter sélectivement ces interrupteurs.
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