Granted Patent B2

US 12,482,306 · App. 18/336,083 · Granted Nov 25, 2025

Inventors: Bernd Junginger (Stuttgart, DE); Eric Thebault (Ludwigsburg, DE); Alexander Woeber (Ludwigsburg, DE); Vincent Raimbault (Lyons, FR)

Assignee: MANN+HUMMEL GmbH

G07C5/008B60S5/00F01P11/12F01P11/14G06Q30/0635G07C5/0825G07C5/085G07C5/10

Abstract

Claims (84)

1 . An air filter system comprising:

an air filter;

an air channel in fluid communication with the air filter and comprising an intake and an outlet;

a receptacle configured to receive the air filter in an airflow when air is flowing through the air channel;

an airflow control device operable for controlling the airflow through the air filter within the receptacle; and

a controlling circuit for controlling the airflow control device in accordance with a pre-determined average loading rate of the air filter;

an electronic processing circuit configured to:

determine a filter usage value of the air filter and store the filter usage value to a historical data in a memory; and

by a microprocessor and based on the historical data, generate an adjusted average loading rate of the air filter for the controlling circuit to control the airflow control device,

wherein the adjusted average loading rate of the air filter reduces or increases a current average loading rate of the air filter such that a pre-determined filter load is achieved within a pre-determined tolerance of a pre-determined next maintenance time;

wherein the electronic processing circuit is further configured to determine an end-of-life time of the air filter based on the historical data and compare the end-of-life time to the pre-determined next maintenance time; and

wherein the electronic processing circuit is further configured to determine, based on the historical data, a reduction in the average loading rate of the air filter when the end-of-life time is before the pre-determined next maintenance time, or alternatively, to determine, based on the historical data, an increase in the average loading rate of the air filter when the end-of-life time is after the pre-determined next maintenance time, such that the end-of-life time occurs within the pre-determined tolerance of the pre-determined next maintenance time.

2 . The air filter system of claim 1 , wherein the filter usage value is a filter loading of the air filter, and

wherein the electronic processing circuit determines the filter usage value and stores the historical data in the memory by:

determining the filter loading of the air filter based on usage data and/or sensor data, and

storing the filter loading of the air filter to the historical data in the memory.

3 . The air filter system of claim 1 , wherein the electronic processing circuit is further configured to, in an automatic mode, provide the adjusted average loading rate of the air filter to the controlling circuit for controlling the airflow control device.

4 . The air filter system of claim 3 , further comprising a setup unit configured to receive a mode data indicative of the automatic mode from a user selection carried out on a user interface and store the mode data in the memory for use by the electronic processing circuit.

5 . The air filter system of claim 1 , wherein the electronic processing circuit is further configured to determine, based on the historical data, a reduction in a filter usage of the air filter, such as a decreased airflow through the air filter, necessary to adjust the filter usage of the air filter such that the end-of-life time occurs within the pre-determined tolerance of the pre-determined next maintenance time.

6 . The air filter system of claim 1 , wherein the electronic processing circuit is further configured to determine, based on the historical data, an increase in a filter usage of the air filter, such as an increased airflow through the air filter, necessary to adjust the filter usage of the filter such that the end-of-life time occurs within the pre-determined tolerance of the pre-determined next maintenance time.

7 . The air filter system of claim 1 , wherein the electronic processing circuit is operably coupled to a user interface including a display for displaying a current filter load and an input to enable a user, based on the current filter load, to adjust the current average loading rate of the air filter.

8 . The air filter system of claim 7 , wherein a filter load information is displayed on the display and comprises at least one of a filter usage time, a filter loading time, a remaining filter capacity time, the current filter load, and a remaining filter load capacity.

9 . The air filter system of claim 1 , wherein the controlling circuit and the electronic processing circuit are integrated in a single control unit.

10 . The air filter system of claim 1 ,

wherein the controlling circuit and the electronic processing circuit are physically separate from each other,

wherein the controlling circuit comprises or is connected to a data communication interface, and

wherein the data communication interface is configured to connect to a server.

11 . The air filter system of claim 1 ,

wherein the electronic processing circuit further comprises an ordering subsystem configured to:

select one or more potential maintenance locations from a locations database; and

determine an availability of a replacement air filter from the one or more potential maintenance locations; and

provide a message comprising the availability of the replacement air filter from the one or more potential maintenance locations on a user interface.

12 . The air filter system of claim 11 , wherein the electronic processing circuit is further configured to:

provide a specification data packet including at least data indicative of a type of the air filter and a type of a vehicle, and

wherein the ordering subsystem is further configured to:

receive the specification data packet;

select one or more potential suppliers from a suppliers database;

determine an availability of a replacement air filter from the one or more potential suppliers; and

provide a message comprising the availability of the replacement air filter from the one or more suppliers on the user interface.

13 . A vehicle operably connected to the air filter system of claim 1 , the vehicle comprising the air channel, the receptacle, the airflow control device, and the controlling circuit,

wherein the vehicle further comprises the electronic processing circuit and/or is operably coupled to the electronic processing circuit.

14 . A method of cleaning an airflow with an air filter, the method comprising:

providing the airflow through the air filter;

by an airflow control device, controlling the airflow through the air filter;

by a controlling circuit, controlling the airflow control device in accordance with a pre-determined average loading rate of the air filter;

by an electronic processing circuit, determining a filter usage value of the air filter and storing the filter usage value to a historical data in a memory; and

by a microprocessor, generating, based on the historical data, an adjusted average loading rate of the air filter for the controlling circuit to control the airflow control device,

wherein the adjusted average loading rate of the air filter is different from the pre-determined average loading rate of the air filter,

wherein the adjusted average loading rate of the air filter reduces or increases a current average loading rate of the air filter such that a pre-determined filter load is achieved within a pre-determined tolerance of a pre-determined next maintenance time;

wherein the electronic processing circuit further determines an end-of-life time of the air filter based on the historical data and compares the end-of-life time to the pre-determined next maintenance time; and

wherein the electronic processing circuit further determines, based on the historical data, a reduction in the average loading rate of the air filter when the end-of-life time is before the pre-determined next maintenance time, or alternatively, determines, based on the historical data, an increase in the average loading rate of the air filter when the end-of-life time is after the pre-determined next maintenance time, such that the end-of-life time occurs within the pre-determined tolerance of the pre-determined next maintenance time.

15 . The method of cleaning an airflow with an air filter of claim 14 , further comprising:

by an ordering subsystem of the electronic processing circuit:

selecting one or more potential maintenance locations from a locations database;

determining an availability of a replacement air filter from the one or more potential maintenance locations; and

providing a message on a user interface comprising the one or more potential maintenance locations and the availability of the replacement air filter from the one or more potential maintenance locations.

16 . The method of cleaning an airflow with an air filter of claim 14 , further comprising:

by an ordering subsystem of the electronic processing circuit:

selecting one or more potential maintenance locations from a locations database;

determining an availability of a replacement air filter from the one or more potential maintenance locations;

determining that there are one or more potential maintenance locations from which the replacement air filter is not available and estimating a delivery time for the one or more potential maintenance locations from which the replacement air filter is not available;

providing a message on a user interface comprising the one or more potential maintenance locations from which the replacement air filter is not available and the estimated delivery time for the one or more potential maintenance locations from which the replacement air filter is not available; and

using the estimated delivery time added by the pre-determined tolerance as the pre-determined next maintenance time.

17 . The method of cleaning an airflow with an air filter of claim 14 , further comprising:

by an ordering subsystem of the electronic processing circuit:

selecting one or more potential suppliers from a suppliers database;

determining an availability of a replacement air filter from the one or more potential suppliers;

estimating a delivering time for the replacement air filter from the one or more potential suppliers; and

providing a message on a user interface comprising the one or more potential suppliers, the availability of the replacement air filter from the one or more potential suppliers, and the estimated delivering time for the replacement air filter from the one or more potential suppliers.

18 . The method of cleaning an airflow with an air filter of claim 17 , further comprising:

using the estimated delivering time added by the pre-determined tolerance as the pre-determined next maintenance time.

19 . A computer program product comprising instructions that, when the program is executed by a microprocessing system, causes the microprocessing system to perform the method of claim 14 .

20 . A computer program product comprising a computer readable media comprising instructions that, when the program is executed by a microprocessing system, causes the microprocessing system to perform the method of claim 14 .

21 . An air filter system comprising:

an air filter;

an air channel in fluid communication with the air filter and comprising an intake and an outlet;

a receptacle configured to receive the air filter in an airflow when air is flowing through the air channel;

an airflow control device operable for controlling the airflow through the air filter within the receptacle;

a controlling circuit for controlling the airflow control device in accordance with a pre-determined average loading rate of the air filter; and

an electronic processing circuit configured to:

determine a filter usage value of the air filter and store the filter usage value to a historical data in a memory; and

by a microprocessor and based on the historical data, generate an adjusted average loading rate of the air filter for the controlling circuit to control the airflow control device,

wherein the adjusted average loading rate of the air filter reduces or increases a current average loading rate of the air filter such that a pre-determined filter load is achieved within a pre-determined tolerance of a pre-determined next maintenance time, and

wherein the electronic processing circuit is operably coupled to a user interface including a display for displaying a current filter load and an input to enable a user, based on the current filter load, to adjust the current average loading rate of the air filter.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (29)