US 12,134,304 B2
Motor-vehicle air-treatment device
Ralf Moenkemoeller, Bielefeld (DE)
Assigned to HEPA GMBH, Muenster (DE)
Filed by Ralf Moenkemoeller, Bielefeld (DE)
Filed on Jul. 26, 2021, as Appl. No. 17/384,946.
Claims priority of application No. 102020004627.4 (DE), filed on Jul. 30, 2020.
Prior Publication US 2022/0032740 A1, Feb. 3, 2022
Int. Cl. B60H 3/00 (2006.01); B60H 1/00 (2006.01)
CPC B60H 3/0078 (2013.01) [B60H 1/00735 (2013.01); B60H 1/00964 (2013.01); B60H 1/00814 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An air-treatment system for a motor vehicle having an air conditioner, the system comprising:
an air-treatment device in the air conditioner, that is electrically powered, and that treats air of an airflow generated by the air conditioner;
a controller in the air conditioner that controls the air-treatment device in accordance with operating parameters of the air conditioner in which the air-treatment device is installed; and
an electrical coding means that is
in the air-treatment device,
formed as a passive resistor with a discrete resistance value that characterizes an operating voltage of the air-treatment device,
electrically connectable with the controller on installation of the air-treatment device, and
interogable after electrical connection to the controller has been established,
the controller serving for
detecting when the electrical coding means is electrically connected to the controller and
disconnecting electric power feed to the air-treatment device in the absence of an electrical connection between the coding means and the controller.