COOLING DEVICE FOR A MOTOR VEHICLE
A cooling device is provided for a motor vehicle with a first heat exchanger and with a second heat exchanger that is arranged in vehicle longitudinal direction offset from the first heat exchanger. In the intermediate space between first and second heat exchanger a flow regulating device with a cross-sectional area through which cooling air can flow is arranged, whose permeability to cooling air is variable.
1 . A cooling device for a motor vehicle, comprising:
a first heat exchanger;
a second heat exchanger that is offset to the first heat exchanger in a longitudinal direction of the motor vehicle; and
a flow regulating device in an intermediate space between the first heat exchanger and the second heat exchanger, the flow regulating device including a cooling air through flow-capable cross-sectional area with a variable permeability to the cooling air.
2 . The cooling device according to claim 1 , wherein the motor vehicle, the first heat exchanger is arranged downstream of the flow regulating device and the second heat exchanger is arranged upstream of the flow regulating device.
3 . The cooling device according to claim 1 , wherein the flow regulating device extends in a plane that is substantially perpendicular to a driving direction of the motor vehicle and substantially over a cross section that can be subjected to inflow from the first heat exchanger.
4 . The cooling device according to claim 1 , wherein the flow regulating device extends in a plane that is substantially perpendicular to a driving direction of the motor vehicle and substantially over a cross section that can be subjected to through flow from the second heat exchanger.
5 . The cooling device according to claim 1 , further comprising a frame for the flow regulating device through which the cooling air can flow and on which an actuator is configured to change the through flow-capable cross-sectional of the flow regulating device.
6 . The cooling device according to claim 5 , wherein the frame comprises a two-component lattice structure with a front lattice substantially overlapping a rear lattice.
7 . The cooling device according to claim 6 , wherein the actuator is a roller blind displaceable between the front lattice and the rear lattice.
8 . The cooling device according to claim 6 , wherein a winding shaft substantially aligned in a transverse direction of the motor vehicle is arranged on an upper end portion of the two-component lattice structure.
9 . The cooling device according to claim 5 , wherein the actuator comprises an areal structure with a first passage spaced from a second passage configured for the cooling air.
10 . The cooling device according to claim 6 , wherein the front lattice and the rear lattice are positively interconnectable.
11 . The cooling device according to claim 8 , wherein the front lattice on an upper marginal portion has a mounting for the winding shaft.
12 . The cooling device according to claim 8 , wherein the rear lattice on an upper marginal portion has a covering for the winding shaft.
13 . The cooling device according to claim 5 , wherein the frame is supported on an air guiding device with a marginal sealing element.
14 . The cooling device according to claim 8 , further comprising a guide strip for an end portion of a roller blind unwindable from the winding shaft.
15 . The cooling device according to claim 8 , wherein the winding shaft is operationally connected to a drive.
16 . The cooling device according to claim 14 , wherein the guide strip is operationally connected to a drive.