Linear motor-actuated automotive power windows
AssigneeGM Global Technology Operations LLC
InventorDavid T. Renke
Life of this patent
Estimating the term…
Abstract
A power window system for a motor vehicle operated by a linear electric motor. In one form, a dual linear motor window actuator system includes left and right guidetracks which guide a window, and left and right linear motors connected to the guidetracks. In a second form, a single linear motor window actuator system includes left and right guidetracks which guide a window; a drive bar connected to the window; and a linear motor operatively interconnected with the drive bar. A solenoid operated window stop provides fixed positioning of the window except during actuation of the linear motor.
Claims3
An electrically actuated power window system for a motor vehicle, comprising:
- a window having a left window side and a right window side;
- a right window guidance member having a right run channel for guiding said right side of said window during movement of said window between a first position and a second position;
- a left window guidance member having a left run channel for guiding said left side of said window during movement of said window between said first position and said second position;
- at least one linear motor connected with said window, wherein selective actuation of said at least one linear motor causes selective movement of said window between said first position and said second position;
- and
- an electrically operated window stop, wherein said window stop is configured to biasably extend when not electrically actuated so as to thereby prevent movement of the window and to retract against the biasing when electrically actuated;
- wherein said window stop is electrically actuated whenever said window moves in response to actuation of said at least one linear motor;
- wherein said at least one linear motor comprises:
- a right linear motor integrated with said right window guidance member at said right run channel thereof, a right armature of said right linear motor being disposed in said right side of said window;
- and
- a left linear motor integrated with said left window guidance member at said left run channel thereof, a left armature of said left linear motor being disposed in said left side of said window.
An electrically actuated power window system for a motor vehicle, comprising:
- a window having a left window side and a right window side;
- a right window guidance member having a right run channel which guides said right side of said window during movement of said window between a first position and a second position;
- a left window guidance member having a left run channel which guides said left side of said window during movement of said window between a first position and a second position;
- a drive bar connected to said window;
- at least one linear motor connected with said drive bar, wherein selective actuation of the at least one linear motor causes selective movement of said window between said first position and said second position;
- and
- an electrically operated window stop, wherein said window stop is configured to biasably extend when not electrically actuated so as to thereby prevent movement of the window and to retract against the biasing when electrically actuated;
- wherein said window stop is electrically actuated whenever said window moves in response to actuation of said at least one linear motor.
Dependencies are inferred from the claim text.