Inalfa Roof Systems Group Patente

The invention relates to a roof system for a vehicle (10) having a roof opening (12) in a stationary roof part (11). The roof system comprises at least a panel (1) which is movable in a longitudinal direction of the vehicle (10) between a closed position and an, at least partially, open position. The roof system further comprises an operating mechanism for moving the panel between its closed and open positions. The operating mechanism comprises: a pair of longitudinally extending stationary guide rails (6) at opposite sides of the roof opening; a driven slide (7) with at least one operating channel (5) which is movable along one of the guide rails (6) and a lever (2, 3) that with a first end is connected to the panel (1) and that through at least one cam (4) engages and is driven by the operating channel (5) of the driven slide (7) in such a manner that the panel (1) moves between its closed and open positions. The driven slide (7) and the lever (2, 3) are provided with at least one pair of cooperating engagement members (8, 9) which are positioned such that during a normal operation of the roof system, said engagement members (8,9) are out of engagement with each other, and upon deformation of the driven slide (7) and/or the front lever (2) said engagement members (8, 9) are in engagement with each other.

The invention relates to a drive circuit (12) for a roof assembly, the roof assembly comprising a roof panel (2a) movable between a closed position and an opened position by a motor (9), the drive circuit (12) comprising an H-bridge (13) comprising switch elements (S1-S4) for controlling the speed of the motor (9); a reverse polarity protection switch (14), such as a MOSFET; and at least one measurement circuit (26, 26'). Wherein the drive circuit (12) is configured for receiving a PWM-signal with a duty cycle for operating the H-bridge (13). And wherein the at least one measurement circuit (26, 26') is configured for performing a current measurement of at least one of the switch elements (S1-S4, 14) respectively.

A roof system is provided for a vehicle having a roof opening (3) in a fixed roof (1, 2) of the vehicle, at least comprising a panel (4) which is movable relative to the fixed roof between a closed position, a tilted position in which a rear end of the panel is lifted and a fully opened position, and a rear lever (11) for lifting a rear end of the panel (4), wherein the panel (4) at its rear end is provided with a bracket (13) comprising a guide curve in which the rear lever movably engages, such that the rear lever is movable between a position engaging a first guide curve section (14) in which the panel assumes a first tilted position in which its rear end is lifted to a first height, and a position engaging a second guide curve (15) section in which the panel assumes a second tilted position in which its rear end is lifted to an increased second height.

The invention relates to a roof assembly for a vehicle, including a pair of guide rails, a roof panel movably supported on the guide rails and configured to close the roof opening, each guide rail slidably supporting a respective operating mechanism for the roof panel, each operating mechanism comprising a front mechanism, a tilting mechanism, a locking mechanism, and a driving slide. The operating mechanism further comprises a panel bracket which is pivotally connected to the front lever and slidably connected to the sliding claw. The driving slide is configured for operating the front mechanism on a first side of the panel bracket in the guide rail and for operating the locking mechanism on a second, opposite side of the panel bracket in the guide rail and the tilting mechanism is operable by the locking mechanism on the second side of the panel bracket in the guide rail.

The present invention relates to a transparent roof panel assembly for a vehicle comprising a panel, a light source and a light in-coupling element wherein the light source is provided in a serviceable manner. The invention further relates to a method for attaching and removing said light source, and a vehicle comprising said transparent roof panel assembly.

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A transparent roof assembly for a vehicle roof (1) comprises a panel (2) with a transparent area (25), a light source (21, 22) arranged to provide light into the panel (2) and an out-coupling pattern (20) arranged on the surface of the transparent area of the panel (2). The out-coupling pattern (20) comprises dots (23) of a light-redirecting material for out-coupling of light introduced into the panel (2) and propagating in the panel (2), wherein the dots (23) each have a representative diameter of 150 microns or less, preferably 80 microns or less and wherein a total dot surface area of the dots of the out-coupling pattern is smaller than 10% of a total surface area of the transparent area (25). Thus, the transparent area appears transparent during daytime looking from an interior of the vehicle to an exterior of the vehicle, while sufficient light is provided into the interior when the light source is switched on.

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A method for testing an open roof assembly comprises steps of providing a test device, the test device comprising a generic control unit, a force sensitive sensor and a drive circuitry; operatively coupling the motor drive assembly to the drive circuitry; positioning the force sensitive sensor in the roof opening; and operating the generic control unit to move the closure member from the open position to the closed position such that the closure member collides with the force sensitive sensor, to receive force data from the force sensitive sensor and to determine from the force data a system property constant. The system property constant is representative for a maximum pinch force of the open roof assembly.

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The invention relates to a roof and rollo assembly for a vehicle, including a roof panel (2a, 2b) provided with glass light (12), a rollo screen (21) movable between a closed position and an opened position, in Guide Light (36); and a control unit (11). The control unit is configured to: upon movement of the rollo screen (21) to the opened position, adapt lighting by decreasing in Guide Light (36) and increasing glass light (12). The control unit may further be configured to, upon movement of the rollo screen (21) to the closed position, adapt lighting by decreasing glass light (12) and increasing in Guide light (36). Wherein adapting lighting comprises gradually changing the amount of light emitted by the in Guide Light (36) and the glass light (12).