# US 7,746,012 B2 · Control system for window lifters of a motor vehicle

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- Number: US 7,746,012 B2
- Document ID: US7746012B2
- Status: Granted
- Kind: B2
- Application number: 12/484,625
- Filed: 2009-06-15
- Published: 2009-10-01
- Granted: 2010-06-29
- Earliest claimed: 2005-06-29
- Assignees: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft
- Inventors: Jörg Übelein; Bertram Bopp
- Web page: https://patentgrep.com/patent/US7746012B2

## CPC

- B60J 1/17: vertically
- E05F 15/41: Detection by monitoring transmitted force or torque (E05F15/48 takes precedence); Safety couplings with activation dependent upon torque or force, e.g. slip couplings
- E05F 15/695: Control circuits therefor
- E05F 15/697: Motor units therefor, e.g. geared motors
- E05F 15/689: specially adapted for vehicle windows
- E05F 15/70: with automatic actuation
- E05F 17/00: Special devices for shifting a plurality of wings operated simultaneously (for simultaneously moving a plurality of interconnected ventilating lamellae E06B7/086)
- E05Y 2400/336: of the angular type
- E05Y 2400/42: for multiple openings
- E05Y 2400/654: by electrical cables
- E05Y 2600/40: Mounting location; Visibility of the elements
- E05Y 2600/454: in or on the motor
- E05Y 2800/205: forming a unit
- E05Y 2800/22: of not identical elements of the same category, e.g. combinations of not identical springs
- E05Y 2800/73: Multiple functions
- E05Y 2900/55: Windows
- B60J: WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES (fastening, suspending, closing, or opening of such devices E05)
- E05F: DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF

## Abstract

A control system for a first window lifter adjusts a first window pane of a motor vehicle having a first drive, and for a second window lifter for adjusting a second window pane of the motor vehicle having a second drive, having a control device. The control device may be electrically connected both to the first drive and to the second drive for the purpose of energization. The control device may have a first sensor for determining a first adjustment position of the first window lifter, and a second sensor for determining a second adjustment position of the second window lifter, the first sensor and the second sensor being based on different physical operational principles.

## Claims

### Claim 1

A control system for a first adjustment device for adjusting a first adjustable part of a motor vehicle having a first drive and for a second adjustment device for adjusting a second adjustable part of the motor vehicle having a second drive, the control system comprising:
a control device electrically connected both to the first drive and to the second drive for the purpose of energization;
the control device comprising a first sensor operatively connected to the first drive for detecting a first collision of the first adjustable part and a second sensor operatively connected to the second drive for detecting a second collision of the second adjustable part; and
the first sensor and the second sensor being based on different physical operational principles.

### Claim 2 (depends on 1)

The control system according to claim 1, in which the first sensor and the second sensor are arranged on a single circuit carrier.

### Claim 3 (depends on 2)

The control system according to claim 2, in which the first sensor and the second sensor are arranged on a single printed circuit board of the control device.

### Claim 4 (depends on 1)

The control system according to claim 1, in which the first sensor senses the rotational movement of the first drive, and the second sensor senses a signal which has been modulated onto at least one of the drive current and drive voltage of the second drive.

### Claim 5 (depends on 1)

The control system according to claim 1, in which the first sensor is based on a magnetic operational principle and the second sensor is based on an electrically resistive operational principle.

### Claim 6 (depends on 1)

The control system according to claim 1, in which the control device is arranged with the first drive as an assembly in a first motor vehicle door, and the second drive, which is controlled by the control device, is arranged remotely from the control device, outside the first motor vehicle door.

### Claim 7 (depends on 6)

The control system according to claim 6, wherein the second drive is arranged in a second motor vehicle door.

### Claim 8 (depends on 1)

The control system according to claim 1, in which the control device further comprises a first power driver for controlling a first drive current of the first drive, and a second power driver for controlling a second drive current of the second drive.

### Claim 9 (depends on 1)

The control system according to claim 1, in which the control device further comprises a computing unit which is connected to the first sensor and to the second sensor.

### Claim 10 (depends on 9)

The control system according to claim 9, in which the computing unit is designed:
to detect a first collision of the first adjustable part with an object or body part within a first adjustment path of the first adjustable part as a function of a sensor signal of the first sensor, and
to detect a second collision of the second adjustable part with an object or body part within a second adjustment path of the second adjustable part as a function of a sensor signal of the second sensor.

### Claim 11 (depends on 10)

The control system according to claim 10, in which the computing unit is designed to control a simultaneous adjustment process of the first drive and of the second drive.

### Claim 12 (depends on 11)

The control system according to claim 11, wherein the simultaneous adjustment process is an automatic adjustment process.

### Claim 13 (depends on 9)

The control system according to claim 9, wherein the computing unit is a microprocessor.

### Claim 14 (depends on 9)

The control system according to claim 9, wherein the computing unit is designed to evaluate the first sensor and second sensor simultaneously.

### Claim 15 (depends on 1)

The control system according to claim 1, in which the control device is integrated into a housing of the first drive, and in which the control device has an electric terminal for the second drive.

### Claim 16 (depends on 1)

The control system according to claim 1, in which the control device is arranged in a separate housing in a door of the motor vehicle, and in which the control device further comprises an electric terminal for the first drive and for the second drive.

### Claim 17 (depends on 1)

The control system according to claim 1, in which the control device is connected via a bus to a further electrical device of the motor vehicle.

### Claim 18 (depends on 17)

The control system according to claim 17, wherein the further electrical device comprises a second control device for energizing a window lifter drive.
