PARTICULATE FILTER TEST SYSTEM AND METHOD

A system for testing a particulate filter system includes a filter controller connected to the particulate filter system and a vehicular computer configured to determine at least one engine condition. The filter controller is configured to control a condition of a component of the particulate filter system and the vehicular computer is operatively connected to the filter controller to communicate therewith. The vehicular computer compares the condition of the component of the particulate filter system with the engine condition to determine whether the component of the particulate filter system is functioning properly. 1. A system for testing a particulate filter system , comprising:a filter controller connected to the particulate filter system, the filter controller configured to control a condition of a component of the particulate filter system; anda vehicular computer configured to determine at least one engine condition, the vehicular computer operatively connected to the filter controller to communicate therewith;wherein the vehicular computer is configured to compare the condition of the component of the particulate filter system with the engine condition to determine whether the component of the particulate filter system is functioning properly.2. The system of claim 1 , wherein the component of the particulate filter system is an air control valve.3. The system of claim 2 , wherein the vehicular computer is configured to instruct the filter controller to open and close the air control valve between about full open and about 90% valve closure.4. The system of claim 1 , wherein the engine condition is engine speed.5. The system of claim 1 , wherein the vehicular computer outputs an alarm signal if the component is determined to not be functioning properly.6. The system of claim 1 , wherein the vehicular computer outputs a pass signal if the component is determined to be functioning properly.7. The system of claim 3 , wherein the engine condition is engine ...

AIR CONTROL VALVE FOR TRANSPORTATION REFRIGERATION SYSTEM

A transport refrigeration system is provided including a refrigeration unit and a diesel engine powering the refrigeration unit. The diesel engine has an exhaust system for discharging engine exhaust from the diesel engine. An exhaust treatment unit is disposed in the diesel engine exhaust system and includes a diesel oxidation catalyst. An air control valve is configured to control a quantity of air provided to the diesel engine from an air supply fluidly coupled to the diesel engine. A controller is operably coupled to the air control valve and is configured to automatically operate the air control valve to initiate a cleaning cycle of the diesel oxidation catalyst upon detection of a predetermined condition. 1. A transport refrigeration system comprising:a refrigeration unit;a diesel engine powering the refrigeration unit, the diesel engine having an exhaust system for discharging engine exhaust from the diesel engine;an exhaust treatment unit disposed in the diesel engine exhaust system, the exhaust treatment unit including a diesel oxidation catalyst;an air control valve configured to control a quantity of air provided to the diesel engine from an air supply fluidly coupled to the diesel engine; anda controller operably coupled to the air control valve, the controller being configured to automatically operate the air control valve to initiate a cleaning cycle of the diesel oxidation catalyst upon detection of a predetermined condition.2. The system according to claim 1 , wherein the controller is operably coupled to a timer claim 1 , the timer being configured to initiate the cleaning cycle at a predetermined interval.3. The system according to claim 2 , wherein the timer is configured to end the cleaning cycle after a predetermined period of time.4. The system according to claim 1 , wherein the exhaust treatment unit includes a first sensor for monitoring a condition of a portion of the exhaust treatment unit upstream from the diesel oxidation catalyst and a ...

TRANSPORT REFRIGERATION UNIT

A transport refrigeration unit includes at least one component, a frame (), and an energy storage module (). The at least one component is driven by electrical power. The frame () is constructed and arranged to structurally support the plurality of components. The energy storage module () is adapted to provide the electrical power, and is internally located and supported by the frame (). 1. A transport refrigeration unit comprising:at least one component driven by electrical power;a frame constructed and arranged to structurally support the plurality of components; andan energy storage module adapted to provide the electrical power, and internally located and supported by the frame.2. The transport refrigeration unit set forth in claim 1 , wherein the frame is tubular.3. The transport refrigeration unit set forth in claim 1 , further comprising:an electrical bus electrically connected between the at least one component and the energy storage module, wherein the electrical bus is substantially located inside the frame.4. The transport refrigeration unit set forth in claim 3 , wherein the electrical bus includes a plurality of power conductors.5. The transport refrigeration unit set forth in claim 4 , wherein the electrical bus includes a plurality of control conductors.6. The transport refrigeration unit set forth in claim 1 , wherein the energy storage module is at least one battery.7. The transport refrigeration unit set forth in claim 1 , wherein the frame includes a tube extending along a centerline claim 1 , the tube including an outer surface facing radially outward and an inner surface facing radially inward claim 1 , and wherein the inner surface defines a cavity and the energy storage module is disposed in the cavity.8. The transport refrigeration unit set forth in claim 1 , wherein the at least one component includes a compressor.9. The transport refrigeration unit set forth in claim 1 , wherein the at least one component includes at least one fan motor.10. ...

Diesel engine powered transportation refrigeration system

A transport refrigeration system ( 10 ) includes a refrigerant vapor compression transport unit ( 12 ) including a compressor ( 14 ). A drive unit is utilized to provide power to the compressor. The drive unit includes a diesel powered engine ( 32 ) and a diesel particulate filter in operable communication with the diesel powered engine to filter combustion particulates from an exhaust gas output from the diesel powered engine. An air control valve is in operable communication with the diesel powered engine to control a flow of air into an air inlet of the diesel powered engine, thereby controlling an exhaust gas temperature of the diesel engine to aid in regeneration of the diesel particulate filter.

Hybrid power conversion system for a refrigerated transport vehicle and method

A hybrid power conversion system ( 60 ) for an air conditioned transport vehicle ( 24 ) including a plurality of refrigeration components ( 52, 54, 56 ) for heating and/or cooling a refrigerated volume ( 40 ). Also included is a battery ( 62 ) storing electrical power to be provided to at least one of the plurality of refrigeration components ( 52, 54, 56 ). Further included is at least one supplemental power source ( 68, 70, 72, 76 ) providing electrical power to the battery ( 62 ) to provide a total available DC power for the refrigeration components ( 52, 54, 56 ). Yet further included is a power converter ( 64 ) converting the total available DC power to a total AC power, the total AC power provided to at least one of the plurality of refrigeration components ( 52, 54, 56 ).

Transportation refrigeration system comprising a refrigeration unit and a diesel engine

A transport refrigeration system is provided including a refrigeration unit and a diesel engine powering the refrigeration unit. The diesel engine has an exhaust system for discharging engine exhaust from the diesel engine. An exhaust treatment unit is disposed in the diesel engine exhaust system and includes a diesel oxidation catalyst and a diesel particulate filter. An air control valve is configured to control a quantity of air provided to the diesel engine from an air supply fluidly coupled to the diesel engine. A controller is operably coupled to the air control valve. After initiating regeneration of the diesel particulate filter, the controller is configured to operate the system in either a primary regeneration mode or a secondary regeneration in response to a condition monitored within the exhaust treatment unit.

BATTERY FOR TEMPORARY COOLING OF A TRANSPORT REFRIGERATION SYSTEM

A method of operating a refrigeration unit () of a transport refrigeration system () including the steps of: controlling, using a controller (), a plurality of components of the refrigeration system, the controlling includes operating at least one of a prime mover () and a battery system (); monitoring, using a location tracking device (), a location of the transport refrigeration system; powering, using the prime mover, the refrigeration unit when the location is outside a selected location; deactivating the prime mover when the location is within the selected location; activating the battery system when the location is within the selected location; and powering, using the battery system, the refrigeration unit when the location is within the selected location.

Transport refrigeration system comprising a refrigeration unit and a diesel engine

Sistema de refrigeración de transporte que comprende: una unidad de refrigeración; un motor diésel (32) que acciona la unidad de refrigeración, teniendo el motor diésel un sistema de escape para descargar el escape del motor del motor diésel; una unidad de tratamiento de escape dispuesta en el sistema de escape del motor diésel, incluyendo la unidad de tratamiento de escape un catalizador de oxidación diésel (52) y un filtro de partículas diésel (54); una válvula de control de aire (56) configurada para controlar una cantidad de aire proporcionado al motor diésel desde un suministro de aire (46) acoplado de manera fluida al motor diésel y caracterizado por un controlador (30) acoplado operativamente a la válvula de control de aire, donde después de iniciar la regeneración del filtro de partículas diésel, el controlador está configurado para operar el sistema en uno de un modo de regeneración primaria y un modo de regeneración secundaria en respuesta a una condición monitorizada dentro de la unidad de tratamiento de escape; donde la condición es una tasa de cambio de temperatura del gas de escape y el modo de regeneración secundaria se usa si la tasa de cambio de temperatura cumple una condición predeterminada. Transport refrigeration system comprising: a refrigeration unit; a diesel engine (32) driving the cooling unit, the diesel engine having an exhaust system for discharging the engine exhaust of the diesel engine; an exhaust treatment unit arranged in the diesel engine exhaust system, the exhaust treatment unit including a diesel oxidation catalyst (52) and a diesel particulate filter (54); an air control valve (56) configured to control an amount of air provided to the diesel engine from an air supply (46) fluidly coupled to the diesel engine and characterized by a controller (30) operatively coupled to the control valve of air, where after initiating regeneration of the diesel particulate filter, the controller is configured to operate the system in one of a ...

Diagnosis of an air control valve of a particulate filter system in a vehicle with an internal combustion engine

A system for testing the air control valve (ACV) of a particulate filter system includes a filter controller connected to the particulate filter system, a vehicular computer configured to determine at least one engine condition (engine rotational speed, RPM). The filter controller is configured to control a condition of the ACV and the vehicule computer is operatively connected to the filter controller to communicate therewith. The vehicular computer compares the condition of the ACV with the engine condition (RPM) to determine whether the component of the particulate filter system is functioning properly.

Diesel engine powered transportation refrigeration system

A transport refrigeration system ( 10 ) includes a refrigerant vapor compression transport unit ( 12 ) including a compressor ( 14 ). A drive unit is utilized to provide power to the compressor. The drive unit includes a diesel powered engine ( 32 ) and a diesel particulate filter in operable communication with the diesel powered engine to filter combustion particulates from an exhaust gas output from the diesel powered engine. An air control valve is in operable communication with the diesel powered engine to control a flow of air into an air inlet of the diesel powered engine, thereby controlling an exhaust gas temperature of the diesel engine to aid in regeneration of the diesel particulate filter.

Battery for temporary cooling of a transport refrigeration system

A method of operating a refrigeration unit (22) of a transport refrigeration system (200) including the steps of: controlling, using a controller (30), a plurality of components of the refrigeration system, the controlling includes operating at least one of a prime mover (26) and a battery system (190); monitoring, using a location tracking device (175), a location of the transport refrigeration system; powering, using the prime mover, the refrigeration unit when the location is outside a selected location; deactivating the prime mover when the location is within the selected location; activating the battery system when the location is within the selected location; and powering, using the battery system, the refrigeration unit when the location is within the selected location.

Transport refrigeration unit

A transport refrigeration unit includes at least one component, a frame (136), and an energy storage module (110). The at least one component is driven by electrical power. The frame (136) is constructed and arranged to structurally support the plurality of components. The energy storage module (110) is adapted to provide the electrical power, and is internally located and supported by the frame (136).

Diagnosis of an air control valve of a particulate filter system in a vehicle with an internal combustion engine

Hybrid power conversion system for a refrigerated transport vehicle and method