Abstract: The performance of a transport refrigeration system having a transport refrigeration unit powered by a diesel engine is optimized by matching a capacity output of the transport refrigeration unit to an available shaft power of the diesel engine.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A transport refrigeration system includes a transport refrigeration unit having a refrigerant circuit through which a refrigerant is circulated in heat exchange relationship with air drawn from a cargo box, a fuel-fired engine for powering the refrigeration unit and having an exhaust system through which exhaust gases generated by the engine are discharged and an engine coolant circuit, an engine exhaust gases to engine coolant heat exchanger, and an engine coolant circuit to refrigeration unit heat exchanger.

Abstract: Shaft horsepower output associated with a prime mover for driving a component of a transport refrigeration system may be selectively augmented through an auxiliary power apparatus. In an embodiment, a compressed air engine is provided and selectively operable to augment the shaft horsepower output for driving the component. At least one storage tank is provided for storing compressor air and at least one air compressor is provided for generating and supplying compressed air to the at least one compressed air storage tank. In an embodiment, the prime mover is a fuel combustion engine and the compressed air is heated by exhaust gas from the fuel combustion engine. The driven component may be a refrigerant compressor. The driven component may be an electric generator.

Abstract: A heat exchanger includes an inner tube extending along a central axis, an array of a plurality of heat transfer members mounted to the inner tube, and a plurality of outer tubes disposed radially outward of and in parallel relationship to the inner tube, the inner and outer tubes extending longitudinally to pass through the array of heat transfer members. The heat exchanger is particularly suited for use as an engine exhaust cooler in connection with a transport refrigeration unit, wherein the inner tube defines an internal flow passage through which engine exhaust gas passes, each outer tube defines an internal flow passage through which refrigerant passes, and the plurality of flow passages between adjacent heat transfer members defines an air flow passage. In an embodiment, the heat transfer members may be annular disks having an internal chamber filled with air or other heat transfer working fluid.

Abstract: 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.

Abstract: The performance of a transport refrigeration system having a transport refrigeration unit powered by a diesel engine is optimized by matching a capacity output of the transport refrigeration unit to an available shaft power of the diesel engine.

Abstract: A method is provided for calibrating an engine throttle position sensor operation of a refrigeration system powered by a fuel fired engine.

Abstract: The performance of a transport refrigeration system (12) having a transport refrigeration unit powered by a diesel engine is optimized by matching a capacity output of the transport refrigeration unit to an available shaft power of the diesel engine. The power consumption of the transport refrigeration may be controlled by selectively limiting refrigerant mass flow through the refrigerant circuit of the transport refrigeration unit in response to an operating engine load and an operating speed of the diesel engine.

Abstract: 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.

Abstract: A transport refrigeration system includes a diesel engine equipped with a combustion air pressurization device, such as a turbo-charger or a supercharger. The diesel engine powers at least one component associated with the transport refrigeration system, such as a refrigeration compressor or an air-moving device.

Abstract: A method and system are provided for performing a regeneration cycle for regenerating a diesel particulate filter (56) for removing particulate matter from a flow of engine exhaust gas from a diesel engine associated with a refrigeration system (10) having a refrigeration unit (20) powered by the diesel engine (32) having a first higher RPM speed and a second lower RPM speed.

Abstract: A transport refrigeration system for controlling temperature within a cargo box during transit includes a refrigerant vapor compression unit and a power supply system including a fossil-fueled engine and a thermoelectric generator. The thermoelectric generator is operatively disposed in an exhaust gas flow from the engine to convert heat from the exhaust gas flow into electric current. The electric current generated by the thermoelectric generator may be supplied to a storage battery.

Abstract: A transport refrigeration system (100) includes an engine (102), a primary power source (104) driven by the engine (102) and a secondary power source (106) driven by a vehicle component (108) upon vehicle braking. An energy storage unit (110) stores energy from the secondary power source (106). A power control unit (112) is coupled to the primary power source (104) and the energy storage unit (110). A controller (114) is coupled to the power control unit (112) and a refrigeration component (116, 118) is coupled to the power control unit (112). The controller (114) operates the power control unit (112) to distribute power to the refrigeration component (116, 118).

Abstract: A method is provided for calibrating an engine throttle position sensor operation of a refrigeration system powered by a fuel fired engine.

Abstract: A method and system are provided for performing a regeneration cycle for regenerating a diesel particulate filter (56) for removing particulate matter from a flow of engine exhaust gas from a diesel engine associated with a refrigeration system (10) having a refrigeration unit (20) powered by the diesel engine (32) having a first higher RPM speed and a second lower RPM speed.

Abstract: A method for controlling speed 122 of an engine, the engine providing power to a compressor of a transport refrigeration unit, the method including generating a speed request 124, the engine speed responsive to the speed request; and generating a speed request offset, the speed request offset being added to the speed request to adjust the speed of the engine.

Abstract: Shaft horsepower output associated with a prime mover for driving a component of a transport refrigeration system may be selectively augmented through an auxiliary power apparatus. In an embodiment, a compressed air engine is provided and selectively operable to augment the shaft horsepower output for driving the component. At least one storage tank is provided for storing compressor air and at least one air compressor is provided for generating and supplying compressed air to the at least one compressed air storage tank. In an embodiment, the prime mover is a fuel combustion engine and the compressed air is heated by exhaust gas from the fuel combustion engine. The driven component may be a refrigerant compressor. The driven component may be an electric generator.