NZ510024A - Door opening and closing system - Google Patents

Door opening and closing system

Info

Publication number
NZ510024A
NZ510024A NZ51002499A NZ51002499A NZ510024A NZ 510024 A NZ510024 A NZ 510024A NZ 51002499 A NZ51002499 A NZ 51002499A NZ 51002499 A NZ51002499 A NZ 51002499A NZ 510024 A NZ510024 A NZ 510024A
Authority
NZ
New Zealand
Prior art keywords
door
magnetic field
state
user
permanent magnet
Prior art date
Application number
NZ51002499A
Inventor
Graeme Colin Fuller
Gerald David Duncan
Keith Brookes Spong
Original Assignee
Fisher & Paykel Appliances Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fisher & Paykel Appliances Ltd filed Critical Fisher & Paykel Appliances Ltd
Priority to NZ51002499A priority Critical patent/NZ510024A/en
Publication of NZ510024A publication Critical patent/NZ510024A/en

Links

Landscapes

  • Refrigerator Housings (AREA)

Abstract

A door state changing apparatus assists a user to move a door between a closed state where the door (8, 9) is positioned adjacent a door frame and an open state. The door state changing apparatus includes a permanent magnet (13, 14) provided on the door and having a permanent magnetic field. An electromagnet (11, 12) is located on the door frame adjacent the permanent magnet with the door in a closed state and is energisable to provide a magnetic field which reinforces the permanent magnetic field of the permanent magnet or to provide a magnetic field in opposition to the permanent magnetic field of the permanent magnet. A door position detector detects the open or closed state of the door and a user interface detects the presence of a user attempting to alter that state. A controller (6) receives input from the door position detector and the user interface and energises the electromagnet (11, 12) to provide a reinforcing magnetic field if a user is attempting to move the door (8, 9) from an open state to a closed state and provides an opposing magnetic field to the permanent magnetic field of the permanent magnet if the door is closed and the user interface indicates that a user is attempting to open the door. The disclosure is particularly adapted for use in a domestic refrigerator.
NZ51002499A 1998-08-19 1999-08-16 Door opening and closing system NZ510024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ51002499A NZ510024A (en) 1998-08-19 1999-08-16 Door opening and closing system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ33145698 1998-08-19
NZ51002499A NZ510024A (en) 1998-08-19 1999-08-16 Door opening and closing system

Publications (1)

Publication Number Publication Date
NZ510024A true NZ510024A (en) 2002-09-27

Family

ID=26651951

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ51002499A NZ510024A (en) 1998-08-19 1999-08-16 Door opening and closing system

Country Status (1)

Country Link
NZ (1) NZ510024A (en)

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Legal Events

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