초록

A refrigerator and/or freezer with an appliance carcass, can be closed by at least one door, and a powered door operating device for automatically operating the door. The door operating device has drives both automatically opening and closing the door.

대표청구항 ▼

1. An appliance containing at least one of a refrigerator or freezer and comprising an appliance body (2),at least one door (3) pivotally mounted on a swivel axis (4) on the appliance body (2), anda powered door operating device coupled to the door (3) for automatically operating the door (3),wherei

1. An appliance containing at least one of a refrigerator or freezer and comprising an appliance body (2),at least one door (3) pivotally mounted on a swivel axis (4) on the appliance body (2), anda powered door operating device coupled to the door (3) for automatically operating the door (3),wherein the door operating device hasan electric motor (6),first and second drive trains extending from opposite ends of the electric motor (6),a first gear transmission (7) coupled to the first drive train and the swivel axis (4) to swivel the door (3) open and closed,a sliding clutch (8) incorporated in the first drive train from the electric motor (6) to the first gear transmission (7) and arranged to stop the door (3) when striking an obstacle with the electric motor (6) running or allow the door (3) to be opened from within the appliance body (2) when the electric motor (6) is off,a gear wheel (9) mounted on the second drive train extending from the opposite end of the electric motor (6), anda rack (10) mounted on an inner side of the door (3) and arranged to interact with the gear wheel (9) to open the door (3) only when the door (3) is in closed or slightly open position. 2. The appliance according to claim 1, wherein the motor (6) is coupled to the door (3) to apply an actuating force onto the door (3) over its entire range of movement. 3. The appliance according to claim 1, wherein the sliding clutch (8) additionally limits actuating force when opening and/or closing and/or holding the door (3). 4. The appliance according to claim 1, wherein the door operating device controls the door (3) to approach a predeterminable open position. 5. The appliance according to claim 1, wherein control means (11) are connected with the motor (6) for adjusting and predetermining the open position of the door (3). 6. The appliance according to claim 5, wherein the control means (11) are additionally coupled to a sensor (12) arranged on the appliance body (2) for actuating operation of the door (3) by a user and a control terminal (14) arranged for adjusting opening or closing movement and the open position of the door (3). 7. The appliance according to claim 1, wherein the motor (6) is coupled to the door (3) such that the speed of movement of the door (3) changes along its opening and/or closing path, and the open and/or closed position can be approached with a reduced speed. 8. The appliance according to claim 1, additionally comprising a triggering sensor (12) coupled to the motor (6) for starting the same. 9. The appliance according to claim 8, wherein the triggering sensor (12) is a mechanical switch, an acoustic sensor, an optical sensor, a capacitive sensor, an inductive sensor, an infrared sensor or a force sensor. 10. The appliance according to claim 1, wherein a shut-off unit is coupled to the motor (6) for automatically shutting off the motor (6) upon reaching the closed and/or open position of the door (3). 11. The appliance according to according to claim 1, wherein the first gear transmission (7) is a bevel gear transmission.