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US 12,674,459 B2Granted
Fluid delivery system health monitoring systems and methods
AssigneeOshkosh Corporation
InventorsEric R. Linsmeier, John D. Woelfel, David W. Archer
Life of this patent
Estimating the term…
Abstract
A fire fighting system for a fire apparatus includes a fluid system including a pump, a sensor configured to acquire data regarding the fluid system, and a processing circuit. The processing circuit is configured to determine a characteristic of the fluid system based on the data and provide a notification based on the characteristic.
Claims15
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a fluid system including a pump and a pump panel having one or more panel outlets fluidly coupled to a pump outlet of the pump such that the one or more panel outlets receive a pressurized fluid from the pump, the one or more panel outlets configured to interface with a hose;
- a sensor configured to acquire data regarding the fluid system;
- and
- a processing circuit configured to:
- determine a characteristic of the fluid system based on the data, the characteristic including a temperature of at least one of (i) the pressurized fluid at the one or more panel outlets or (ii) the one or more panel outlets;
- and
- provide a notification based on the characteristic;
- wherein the sensor is positioned proximate or at the one or more panel outlets of the pump panel to facilitate monitoring the temperature of the at least one of (i) the pressurized fluid at the one or more panel outlets or (ii) the one or more panel outlets.
5 more elements
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a fluid system including a pump and a pump panel having one or more panel outlets fluidly coupled to a pump outlet of the pump such that the one or more panel outlets receive a pressurized fluid from the pump, the one or more panel outlets configured to interface with a hose;
- a sensor configured to acquire data regarding the fluid system, the data including temperature data;
- and
- a processing circuit configured to:
- determine a characteristic of the fluid system based on the data, the characteristic including a temperature of at least one of (i) a housing of the pump, (ii) the pressurized fluid at the one or more panel outlets, or (iii) the one or more panel outlets;
- and
- provide a notification based on the characteristic;
- wherein the processing circuit is configured to provide the notification based on the temperature exceeding a temperature threshold;
- and
- wherein the processing circuit is configured to initiate a cooling mode to cool at least one of the pressurized fluid or the one or more panel outlets in response to the temperature exceeding the temperature threshold.
7 more elements
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a fluid system including:
- a pump;
- a pump panel having one or more panel outlets fluidly coupled to a pump outlet of the pump such that the one or more panel outlets receive a pressurized fluid from the pump, the one or more panel outlets configured to interface with a hose;
- and
- a valve positioned between the pump outlet and the one or more panel outlets;
- a sensor configured to acquire data regarding the fluid system, the sensor including:
- a first pressure sensor positioned to acquire first pressure data regarding a first pressure of the pressurized fluid provided by the pump and entering the valve;
- and
- a second pressure sensor positioned to acquire second pressure data regarding a second pressure of the pressurized fluid exiting the valve;
- and
- a processing circuit configured to:
- determine a characteristic of the fluid system based on the data;
- provide a notification based on the characteristic;
- determine a pressure differential across the valve based on the first pressure and the second pressure;
- and
- provide the notification in response to the pressure differential being less than a pressure threshold.
13 more elements
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a fluid system including:
- a pump;
- a pump panel having one or more panel outlets fluidly coupled to a pump outlet of the pump such that the one or more panel outlets receive a pressurized fluid from the pump, the one or more panel outlets configured to interface with a hose;
- and
- a valve positioned to selectively restrict flow to the one or more panel outlets;
- a sensor configured to acquire data regarding the fluid system;
- and
- a processing circuit configured to:
- determine a characteristic of the fluid system based on the data;
- provide a notification based on the characteristic;
- stroke the valve under a loaded condition;
- and
- provide the notification in response to a force required to stoke the valve exceeding a force threshold.
10 more elements
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a fluid system including a pump;
- a sensor configured to acquire data regarding the fluid system;
- and
- a processing circuit configured to:
- determine a characteristic of the fluid system based on the data;
- provide a notification based on the characteristic;
- operate the pump at a predetermined output flow rate and a predetermined speed;
- dead-head the pump such that the predetermined output flow rate decreases to at least a threshold level while maintaining the predetermined speed;
- determine a dead-head pressure in response to dead-heading the pump;
- determine a pressure difference between the dead-head pressure and a predetermined dead-head pressure;
- and
- provide the notification in response to the pressure difference being greater than the predetermined pressure difference.
9 more elements
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a fluid system including a pump, the pump including:
- a housing defining an interior chamber, a pump inlet configured to receive a fluid from a fluid source, and a pump outlet configured to a provide pressurized fluid to a fluid output;
- an impeller disposed within the interior chamber;
- and
- an input coupled to the impeller, the input configured to facilitate driving the impeller to pressurize the fluid received at the pump inlet to generate the pressurized fluid within the interior chamber;
- a sensor configured to acquire data regarding the fluid system, the sensor including:
- a first pressure sensor positioned to acquire pressure data regarding a first pressure of the fluid on an inlet side of the impeller, within the housing;
- a second pressure sensor positioned to acquire pressure data regarding a second pressure of the pressurized fluid on an outlet side of the impeller, within the housing;
- a third pressure sensor positioned to acquire pressure data regarding a third pressure of the fluid at the inlet of the housing;
- and
- a fourth pressure sensor positioned to acquire pressure data regarding a fourth pressure of the pressurized fluid at the outlet of the housing;
- and
- a processing circuit configured to:
- determine a characteristic of the fluid system based on the data;
- provide a notification based on the characteristic;
- determine a first pressure differential across the impeller based on the first pressure and the second pressure;
- determine a second pressure differential across the pump based on the third pressure and the fourth pressure;
- and
- provide the notification in response to the first pressure differential and the second pressure differential deviating by less than a threshold amount.
16 more elements
A fire fighting system for a fire apparatus, the fire fighting system comprising:
- a non-transitory computer-readable medium having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to:
- operate a pump at a predetermined output flow rate and a predetermined speed;
- dead-head the pump such that the predetermined output flow rate decreases to at least a threshold level while maintaining the predetermined speed;
- determine a dead-head pressure in response to dead-heading the pump;
- determine a pressure difference between the dead-head pressure and a predetermined dead-head pressure;
- and
- provide a notification in response to the pressure difference being greater than the predetermined pressure difference.
4 more elements
Dependencies are inferred from the claim text.