# US 10,119,886 B2 · Filtration monitoring systems

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- Number: US 10,119,886 B2
- Document ID: US10119886B2
- Status: Granted
- Kind: B2
- Application number: 14/977,858
- Filed: 2015-12-22
- Published: 2017-06-22
- Granted: 2018-11-06
- Earliest claimed: 2015-12-22
- Assignees: Cummins Filtration IP, Inc.
- Applicants: Cummins Filtration IP, Inc.
- Inventors: Amit Dhingra; Bharadwaj Prabhala; Abhijeet Vaidya; Abhijit Shimpi; Eric R. Burgan
- Web page: https://patentgrep.com/patent/US10119886B2

## CPC

- F02M 37/40: with means for detection of clogging
- B01D 35/143: Filter condition indicators
- B01D 46/009: {Identification of filter type or position thereof, e.g. by transponders or bar codes}
- B01D 46/429: {Means for wireless communication}
- F01M 1/10: Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
- F01M 11/03: Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means (filters B01D)
- F01M 11/10: Indicating devices; Other safety devices
- F01M 13/04: having means for purifying air before leaving crankcase, e.g. removing oil
- F02D 33/003: {Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus (control of electrical fuel pumps F02D41/3082, controlling fuel flow to a common rail F02D41/3845); Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge}
- F02M 35/0205: {Details, e.g. sensors or measuring devices}
- F02M 37/28: with means activated by the presence of water, e.g. alarms or means for automatic drainage
- G01M 15/042: {by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12}
- G01N 15/08: Investigating permeability, pore-volume, or surface area of porous materials
- F01M 2001/1007: {characterised by the purification means combined with other functions}
- F01M 2013/0438: {with a filter}
- F16N 2200/00: Condition of lubricant
- F16N 2250/00: Measuring
- F16N 2260/00: Fail safe
- G01N 2015/084: {Testing filters}
- F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)
- F01M: LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W)
- G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- F16N: LUBRICATING

## Abstract

A filtration monitoring system is an electronic system control module installed on an internal combustion engine or within a vehicle powered by the internal combustion engine. The filtration monitoring system monitors the health and status of the filtration systems present on the engine. The filtration monitoring system tracks filter loading patterns and predicts remaining service life of the filters by running smart algorithms based on sensor feedback (e.g., pressure sensor feedback, fluid quality characteristic sensor feedback, etc.). In some arrangements, the described filtration monitoring systems provide feedback as to whether a genuine (i.e., authorized, OEM approved, etc.) or unauthorized filter cartridge is installed in a given filtration system. The filtration monitoring system may be retrofit into an existing internal combustion engine or vehicle that does not already have a filtration monitoring system.

## Claims

### Claim 1

An apparatus, comprising:
an internal combustion engine having an engine control module structured to control the operation of the internal combustion engine;
an air filtration system having a first filter cartridge;
a fluid filtration system having a second filter cartridge
a first pressure sensor structured to sense a characteristic associated with the air filtration system;
a second pressure sensor structured to sense a characteristic associated with the fluid filtration system;
a filtration monitoring system module including a processing circuit communicatively coupled to the sensor, the processing circuit including a processor and memory, the processing circuit structured to:
receive a feedback signal from each of the first pressure sensor relating to the characteristic associated with the air filtration system and the second pressure sensor related to the characteristic associated with the fluid filtration system,
analyze the feedback signals to determine a status of each of the first filter cartridge and the second filter cartridge,
calculate a percent loading of each of the first filter cartridge and the second filter cartridge, and
transmit each of the percent loading of the filter cartridges to the engine control module; and
wherein the engine control module is structured to transmit, via a telematics system, batch data comprising the status and the percent loading of each of the first filter cartridge and the second filter cartridge.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein the engine control module is communicatively coupled to the filtration monitoring system module through a digital data link, the engine control module structured to provide real-time operating parameters of the internal combustion engine to the filtration monitoring system module.

### Claim 3 (depends on 2)

The apparatus of claim 2, wherein the processing circuit is structured to provide status information of the air filtration system and the fluid filtration system to the engine control module.

### Claim 4 (depends on 1)

The apparatus of claim 1, wherein the filtration monitoring system module includes at least seven analog input channels, and wherein each sensor is communicatively coupled to one of the at least seven analog input channels.

### Claim 5 (depends on 4)

The apparatus of claim 4, wherein the filtration monitoring system module includes ten analog input channels.

### Claim 6 (depends on 4)

The apparatus of claim 4, wherein the filtration monitoring system module includes an analog to digital converter circuit structured to convert the respective feedback signal from the first pressure sensor from an analog signal to a digital signal prior to analyzing the respective feedback signal.

### Claim 7 (depends on 1)

The apparatus of claim 1, further comprising a radio frequency antenna communicatively coupled to the filtration monitoring system module and structured to interrogate and gather data from a radio frequency identifier tag installed on the first filter cartridge and to send the data to the filtration monitoring system module, wherein the data includes a unique identifier of the first filter cartridge.

### Claim 8 (depends on 7)

The apparatus of claim 7, wherein the processing circuit is further structured to determine whether the first filter cartridge is a genuine filter cartridge based on the unique identifier.

### Claim 9 (depends on 1)

The apparatus of claim 1, further comprising:
a lubrication filtration system having a third filter cartridge
a third pressure sensor structured to sense a second characteristic associated with the fluid filtration system, wherein the second pressure sensor is associated with a first stage of the fluid filtration system, and the third pressure sensor is associated with a second stage of the fluid filtration system;
a fourth pressure sensor structured to sense a characteristic associated with the lubrication filtration system;
wherein the processing circuit of the filtration monitoring system module is further structured to:
receive a feedback signal from each of the third pressure sensor and the fourth pressure sensor,
analyze the feedback signals of each of the third pressure sensor and the fourth pressure sensor to determine the status of each of the second filter cartridge and the third filter cartridge,
calculate a percent loading of the third filter cartridge,
transmit the percent loading of the third filter cartridge to the engine control module; and
wherein the batch data further comprises the status and the percent loading of the third filter cartridge.

### Claim 10

A method of installing a filtration monitoring system for an internal combustion engine, the method comprising:
providing a filtration monitoring system module having a processing circuit structured to:
receive a first feedback signal from a first pressure sensor associated with an air filtration system associated with the internal combustion engine, analyze the first feedback signal to determine a status of a first filter cartridge of the air filtration system, and calculate a percent loading of the first filter cartridge, and
receive a second feedback signal from a second pressure sensor associated with a fluid filtration system associated with the internal combustion engine, analyze the second feedback signal to determine a status of a second filter cartridge of the fluid filtration system, and calculate a percent loading of the second filter cartridge;
connecting the filtration monitoring system module to the first pressure sensor and to the second pressure sensor;
providing an engine control module having a processing circuit structured to transmit, via a telematics system, batch data comprising the status and percent loading of the first filter cartridge and the status and percent loading of the second filter cartridge; and
connecting the filtration monitoring system module to a vehicle bus such that the filtration monitoring system module can communicate data to and from an engine control module of the internal combustion engine.

### Claim 11 (depends on 10)

The method of claim 10, wherein the installing of the filtration monitoring system comprises retrofitting the internal combustion engine that was originally manufactured without an original filtration monitoring system.

### Claim 12 (depends on 10)

The method of claim 10, further comprising:
providing a radio frequency identification antenna structured to interrogate a radio frequency identification tag of the first filter cartridge of the air filtration system; and
connecting the radio frequency identification antenna to the filtration monitoring system module.

### Claim 13 (depends on 10)

The method of claim 10, wherein connecting the filtration monitoring system module to a vehicle bus includes establishing a J1939 data connection between the filtration monitoring system module and the engine control module.

### Claim 14 (depends on 10)

The method of claim 10, further comprising establishing a data connection between the engine control module and a telematics box.

### Claim 15 (depends on 10)

The method of claim 10, wherein the processing circuit of the filtration monitoring system module is further structured to:
receive a third feedback signal from a third pressure sensor associated with a lubrication filtration system associated with the internal combustion engine, analyze the third feedback signal to determine a status of a third filter cartridge of the lubrication filtration system, and calculate a percent loading of the third filter cartridge; and
wherein the batch data further comprises the status and percent loading of the third filter cartridge.
