| THERMO KING CORPORATION Patent applications |
| Patent application number | Title | Published |
| 20120099966 | COMPRESSOR WITH CYCLONE AND INTERNAL OIL RESERVOIR - A rotary compressor including a housing that defines an inlet, a low pressure chamber, an outlet, and a high pressure chamber defining a high pressure lubricant sump. A drive shaft passes through the housing and a compression element is coupled to the drive shaft between the low pressure chamber and the high pressure chamber. A first path connects the high pressure lubricant sump to the low pressure chamber such that lubricant flows through the first path from the high pressure lubricant sump to the low pressure chamber. A low pressure lubricant sump is positioned within the low pressure chamber and includes a movable gate movable from a closed position to an open position in response to a hydrostatic pressure of the lubricant within the low pressure lubricant sump. A second path connects a lubricant separator and the low pressure lubricant sump. | 04-26-2012 |
| 20120073316 | CONTROL OF A TRANSCRITICAL VAPOR COMPRESSION SYSTEM - A transcritical vapor compression system includes a compressor for compressing a refrigerant, a first heat exchanger for cooling the refrigerant, an expansion device for decreasing the pressure of the refrigerant, a second heat exchanger for absorbing heat into the refrigerant, and a controller programmed to calculate a first energy difference across the second heat exchanger and a second energy difference across the compressor, to calculate an energy ratio by dividing the first energy difference by the second energy difference, to compare the energy ratio to a previously calculated energy ratio, and to adjust operating parameters of the system based on the comparison of the energy ratio with respect to the previously calculated energy ratio. | 03-29-2012 |
| 20120017618 | ENGINE STARTER PREDICTIVE MAINTENANCE SYSTEM - An engine starter system that predicts when starter failure is imminent. The engine starter system monitors engine starter crank speed, battery voltage and ambient air temperature. The crank speed, battery voltage and ambient air temperature are communicated to a controller which compares the crank speed for the measured battery voltage and air temperature to a predicted crank speed for the measured battery voltage and air temperature. If the crank speed is lower than the predicted crank speed, a signal is sent to an alarm. | 01-26-2012 |
| 20120015594 | DEMAND-BASED FRESH AIR CONTROL SYSTEM - A demand-based air conditioning system for a passenger vehicle that may utilize one or both of a contaminate sensor and a door sensor. A controller operates a damper to send an estimated amount of fresh air into a passenger compartment, based on the sensed level of contaminate in the passenger compartment, to ensure the air quality in the passenger compartment is acceptable for passengers. | 01-19-2012 |
| 20120000222 | ZONE PRIORITY TEMPERATURE CONTROL IN A MULTIPLE ZONE TRANSPORT REFRIGERATION SYSTEM - A multi-zone transport refrigeration system. The system includes a compressor, a condenser, a refrigerant circuit, a first temperature control zone and a second temperature control zone. A controller is configured to identify a priority zone and a non-priority zone based upon a first magnitude of a difference between a first temperature set point and a first zone temperature derived from the first air temperature sensor, and a second magnitude of a difference between the second temperature set point and a second zone temperature derived from the second air temperature sensor. A non-priority zone is isolated from the refrigerant circuit for a pre-defined period in order to maximize a refrigerant flow to the priority zone. | 01-05-2012 |
| 20120000212 | TRANSPORT REFRIGERATION SYSTEM WITH PREDICTIVE REFRIGERATION - A transport unit including a container defining a cargo space. The transport unit includes position detection apparatus coupled to the container, and adapted to determine a geographic location of the container and to generate a signal indicative of the geographic location. The transport unit also includes a refrigeration system in communication with the cargo space, and a control system including route data that defines a plurality of potential destinations of the container. The control system is programmed to predict a container route defined by at least two potential destinations of the container based on the geographic location and the route data, and to determine a proximity of the container relative to at least one potential destination of the route. The control system is in communication with the refrigeration system to control the refrigeration system based on the proximity of the container relative to the at least one potential destination. | 01-05-2012 |
| 20110302942 | ENVIRONMENT CONTROL UNIT WITH REACTIVE OXYGEN SPECIES GENERATOR - An environment control unit including an environment control system, a reactive oxygen species (ROS) generator, and a controller. The refrigeration system and the ROS generator positioned within a housing of the environment control unit and providing conditioned air to the interior of a cargo space to clean and condition air and surfaces within the cargo space. | 12-15-2011 |
| 20110301762 | ELECTRIC TRANSPORT REFRIGERATION UNIT WITH TEMPERATURE-BASED DIESEL OPERATION - A method of operating a transport refrigeration unit that is operable to regulate a temperature of a cargo space. The method includes providing a controller, driving a refrigerant compressor of the transport refrigeration unit with an internal combustion engine to compress a refrigerant defining an engine operating state of the transport refrigeration unit, and driving the refrigerant compressor of the transport refrigeration unit with an electric motor to compress the refrigerant defining a motor operating state of the transport refrigeration unit. The method further includes sensing the temperature of the cargo space, receiving into the controller a signal indicative of the temperature of the cargo space, determining the temperature of the cargo space using the controller, and switching between the engine operating state and the motor operating state in response to a signal generated by the controller based on the temperature of the cargo space. | 12-08-2011 |
| 20110298847 | REMOTE STATUS MULTIFUNCTION DISPLAY FOR A TRANSPORT VEHICLE - A display for a transport unit. The transport unit includes a trailer that defines a space with at least one zone, and a vehicle that is attachable to the trailer. The vehicle has a passenger compartment and a rear view mirror. A sensor is in communication with the transport unit and senses a parameter of the transport unit. The transport unit also includes a housing that is coupled to the trailer, and that has a display with a screen configured to display the parameter. A controller is attached to the trailer and is in communication with the space. The controller is in electrical communication with the sensor and the display, and the controller is programmed to selectively switch the display between a forward view mode and a mirror view mode based on a relationship between the vehicle and the trailer. | 12-08-2011 |
| 20110280764 | SYSTEM AND METHOD FOR SANITIZATION - A system for sanitizing products on a conveyor including a conveyor for moving products along a direction of conveyance. A first generator and a second generator are each operable to generate airborne sanitizing agents. The first generator includes an outlet configured to discharge at least a portion of the airborne sanitizing agents generated therein across the conveyor in a first direction. The second generator includes an outlet configured to discharge at least a portion of the airborne sanitizing agents generated therein across the conveyor in a second direction. The outlet of the first generator is configured to direct the discharged airborne sanitizing agents toward an inlet of the second generator. | 11-17-2011 |
| 20110239664 | FLUID LEVEL MEASUREMENT SYSTEM AND METHOD - A transport refrigeration system for a transportable temperature controlled space includes a compressor, a condenser and an evaporator fluidly connected to one another, an engine operatively connected to the compressor, and a fuel tank assembly fluidly connected to the engine. The fuel tank assembly includes a fuel tank configured to contain the fuel, a fuel vapor and air, and an ultrasonic fluid level sensor for sensing a level of fuel, the fuel tank having a maximum fuel level. The fluid level sensor includes a transducer having a ring period. The distance from the fluid level sensor to the maximum fuel level is at least half the distance that the sound travels through the fuel vapor and air during the ring period of the transducer. | 10-06-2011 |
| 20110180250 | METHOD FOR FREEZE PROTECTION - A method for freeze protection for a temperature control system, and a temperature control system for controlling the temperature of a temperature-controlled space at a set point temperature. The method includes monitoring a discharge air temperature, monitoring a return air temperature, setting a target temperature to equal the set point temperature, controlling the return air temperature at the target temperature, and adjusting the target temperature based on the return air temperature when the discharge air temperature drops to one of at or below freezing. | 07-28-2011 |
| 20110146311 | APPARATUS FOR CONTROLLING RELATIVE HUMIDITY IN A CONTAINER - In one embodiment, the invention provides a refrigeration system having a compressor configured to compress a refrigerant gas and a condenser fluidly coupled to the compressor to receive compressed refrigerant gas from the compressor, the condenser configured to condense the refrigerant gas. In addition the refrigeration system includes a heat exchanger having a first section fluidly coupled to the compressor, and a second section fluidly coupled between the condenser and the compressor, wherein the first section receives compressed refrigerant gas from the compressor, and wherein the second section receives condensed refrigerant from the condenser, evaporates the refrigerant, and delivers the evaporated refrigerant to the compressor. | 06-23-2011 |
| 20110132006 | METHOD OF CONTROLLING INLET PRESSURE OF A REFRIGERANT COMPRESSOR - A refrigeration unit includes an engine, a motor capable of producing a similar power output as the engine, and a compressor driven by one of the engine and the motor. The compressor includes a suction inlet and a discharge outlet. The refrigeration unit also includes a condenser in fluid communication with the discharge outlet through which pressurized, gaseous refrigerant is condensed, an evaporator in fluid communication with the condenser to receive liquid refrigerant and return gaseous refrigerant to the suction inlet, a passageway having a first end in fluid communication with an outlet of the condenser, and a second end in fluid communication with the suction inlet, and a purge valve defining at least a portion of the passageway between the first and second ends. The purge valve is operable to selectively divert liquid refrigerant from the condenser to the suction inlet to increase the pressure in the suction inlet. | 06-09-2011 |
| 20110120149 | EXTERNAL NOISE REDUCTION OF HVAC SYSTEM FOR A VEHICLE - A HVAC system for a vehicle that includes a propulsion system, a frame, a passenger compartment, and a door coupled to the frame. The HVAC system includes a refrigeration circuit that selectively controls the temperature of the passenger compartment based on a sensed temperature within the passenger compartment. The refrigeration circuit includes an exterior heat exchanger, a first air moving device coupled to the exterior heat exchanger, an interior heat exchanger, a second air moving device coupled to the interior heat exchanger, and a compressor. The HVAC system also includes a controller that is operable to detect a condition of the vehicle that includes at least one of a position of the door, a location of the vehicle, and a load of the propulsion system. The controller is programmed to adjust the refrigeration circuit in response to the sensed passenger compartment temperature and the detected vehicle condition. | 05-26-2011 |
| 20110081999 | BELT DRIVE SYSTEM ASSEMBLY AND TENSION APPARATUS - A belt assembly and adjustment mechanism for a belt drive system including a belt. The belt assembly and adjustment mechanism includes a first bracket that is attachable to a first portion of the belt drive system, and a second bracket that is attachable to a second portion of the belt drive system. The second portion is different from the first portion. The mechanism also includes a belt drive system component that is positioned between the first bracket and the second bracket. The component is pivotally coupled to the first bracket on one side of the component and is pivotally coupled to the second bracket on another side of the component. The component is further slidably coupled to one of the first bracket and the second bracket such that the component is movable between a first orientation at which the belt is configured to be tensioned and a second orientation at which the belt is configured to be installed on the component. | 04-07-2011 |
| 20110081996 | BELT DRIVE SYSTEM ASSEMBLY AND TENSION APPARATUS - Tension apparatus for a belt drive system. The tension apparatus includes a first component that is movable between a first tension position corresponding to a first belt length and a second tension position corresponding to a second belt length that is longer than the first belt length. The tension apparatus also includes a second component, a first component bracket coupled to the first component and defined by a first surface having a first perceptible indicator, and a second component bracket coupled to the second component and located adjacent the first component bracket. The second component bracket is defined by at least one second surface that has second perceptible indicators. The first perceptible indicator is selectively alignable with one of the second perceptible indicators in response to movement of the first component to one of the first and second tension positions such that tension of the belt is adjustable. | 04-07-2011 |
| 20110079025 | THERMAL STORAGE DEVICE WITH ICE THICKNESS DETECTION AND CONTROL METHODS - A thermal storage device for generating a thermal storage medium from a fluid and including a storage tank for containing the fluid, a refrigeration system having a heat exchanger positioned in the storage tank, a pump for pumping the fluid through the storage tank, a storage medium detection device, and a controller. The storage medium detection device generates a signal corresponding to at least one parameter of the pump. The controller controls the refrigeration system in one of a first mode and a second mode based on the signal. The at least one heat exchanger removes heat from the fluid to generate the thermal storage medium thereon when the refrigeration system operates in the first mode, and the at least one heat exchanger does not remove heat from the fluid thereby terminating generation of the thermal storage medium when the refrigeration system operates in the second mode. | 04-07-2011 |
| 20110044833 | OLDHAM COUPLING - A rotary compressor including a housing, a first scroll member, a second scroll member in meshing engagement with the first scroll member, and an Oldham coupling coupled to the second scroll member to inhibit the relative rotational movement between the first scroll member and the second scroll member. The Oldham coupling including a first riding pad, a second riding pad, a third riding pad is positioned, and a fourth riding pad positioned such that the first riding pad and the fourth riding pad are in an overlapping arrangement. | 02-24-2011 |
| 20110037441 | SYSTEMS AND METHODS OF REDUCING A LOAD ON AN ENGINE - A system for reducing an alternator's load on an engine when the engine drives a second load. The system includes an alternator, a battery, a resistor, and a switch. The alternator includes a stator, a voltage regulator, a rectifier, and a field coil. The battery has a first terminal coupled to the alternator and a second terminal coupled to the alternator. The resistor has a first lead coupled to the first terminal and a second lead coupled to the field coil. The switch is coupled in parallel across the resistor, and is open when the engine drives the second load and closed when the engine is not driving the second load. | 02-17-2011 |
| 20110029193 | MONITORING BATTERY HEALTH IN AN HVAC SYSTEM - Systems and methods of monitoring battery health in an HVAC system. The charge state of a rechargeable battery and the number of amp-hours provided to or from the rechargeable battery are monitored. The number of amp-hours provided is recorded and an end-of-life condition is detected based on the number of amp-hours provided during the charge or discharge cycle. In some constructions, the end-of-life condition is detected by comparing the number of amp-hours provided during the charge or discharge cycle to a threshold. In some constructions, the end-of-life condition is detected by calculating a rate of change of the number of amp-hours provided during a charge or discharge cycle and comparing the rate of change to a threshold. | 02-03-2011 |
| 20110028078 | MOBILE AIR CLEANING UNIT AND DISTRIBUTION SYSTEM - A mass transit vehicle including a cabin mounted to a frame and including a roof and a passenger zone defining a passenger zone length, an air cleaning unit including an air cleaner housing mounted to the roof, an air cleaning device disposed within the housing, an inlet upstream of the air cleaning device, and an outlet downstream of the air cleaning device, and a duct system disposed within the cabin and extending substantially along the passenger zone length. The air cleaning unit is operable to draw in air through the inlet, through the air cleaning device, and discharge a flow of cleaned air out of the outlet, and the duct system is in fluid communication with the outlet and operable to receive the flow of cleaned air from the outlet and direct the flow of cleaned air to the cabin substantially evenly along the passenger zone length. | 02-03-2011 |
| 20110027626 | ELECTRICAL STORAGE ELEMENT CONTROL SYSTEM FOR A VEHICLE - An electrical storage element control system for a vehicle. The control system includes electrical storage elements electrically coupled to each other in parallel, switch devices, and a controller. Each of the electrical storage elements defines a total storage capacity and having a state of charge cooperatively defining a total stored charge, and is adapted to be in electrical communication with an electrical load and a power source. The switch devices are electrically coupled to the electrical storage elements such that each switch device is associated with a corresponding electrical storage element and is operable between connected and disconnected states. The controller is in electrical communication with the switch devices to selectively vary each of the switch devices between the connected state and the disconnected state to connect and disconnect one or more of the electrical storage elements relative to the load based on the total stored charges and relative to the power source based on the total storage capacities of the electrical storage elements. | 02-03-2011 |
| 20110025273 | MONITORING AND CONTROL SYSTEM FOR AN ELECTRICAL STORAGE SYSTEM OF A VEHICLE - A method of monitoring an electrical storage system. The method includes providing an electrical storage element defining a total storage capacity and having a state of charge cooperatively defining a total stored charge of the electrical storage element, determining a total stored charge value representative of the total stored charge of the electrical storage element, varying the total stored charge by charging the electrical storage element from the power source via an electrical charge or discharging the electrical storage element to the load via an electrical discharge, and updating the total stored charge value after varying the total stored charge. | 02-03-2011 |
| 20100229576 | HYDROCOOLER WITH THERMAL STORAGE - A hydrocooler system for cooling produce. The hydrocooler system comprises a hydrocooler tank configured to contain a fluid used to saturate and cool the produce, and a thermal storage device positioned in the hydrocooler tank and configured to receive a refrigerant. The thermal storage device is configured to generate a thermal storage medium from the fluid on the thermal storage device in response to the flow of refrigerant through the thermal storage device. | 09-16-2010 |
| 20100218530 | LOW PROFILE AIR CONDITIONING UNIT FOR VEHICLES - A vehicle including a roof that separates an exterior and an interior of the vehicle, and an air conditioning system. The roof has an exterior surface, an interior surface, and an aperture extending through the roof between the exterior surface and the interior surface. The air conditioning system includes an exterior housing that is mounted to the exterior surface of the roof and includes a divider defining a first cavity, and a second cavity. The air conditioning system also includes a condenser, an evaporator, and an evaporator blower. The air conditioning system further includes an interior housing that is removably mounted to the interior surface of the roof and defines a mounted position and a removed position in which the evaporator and evaporator blower are accessible for servicing from the interior of the vehicle. | 09-02-2010 |
| 20100218529 | LOW PROFILE AIR CONDITIONING UNIT FOR VEHICLES - A vehicle including a roof that separates an exterior and an interior of the vehicle, and an air conditioning system. The roof has an exterior surface, an interior surface, and an aperture extending through the roof between the exterior surface and the interior surface. The air conditioning system includes an exterior housing that is mounted to the exterior surface of the roof and includes a divider defining a first cavity, and a second cavity. The air conditioning system also includes a condenser, an evaporator, and an evaporator blower. The air conditioning system further includes an interior housing that is removably mounted to the interior surface of the roof and defines a mounted position and a removed position in which the evaporator and evaporator blower are accessible for servicing from the interior of the vehicle. | 09-02-2010 |
| 20100139301 | TEMPERATURE CONTROL THROUGH PULSE WIDTH MODULATION - A refrigerant compressor assembly for a refrigeration circuit controls the temperature within a temperature controlled space. The refrigerant compressor assembly includes a first unloading valve, a first valve actuator, and a first valve control system that adjusts the first valve actuator via a pulse-width-modulated signal, a second unloading valve, a second valve actuator, and a second valve control system that adjusts the second valve actuator via a pulse-width-modulated signal. The refrigerant compressor assembly also includes a third unloading valve. The first valve actuator is coupled to the first and third unloading valves and controlled by the first valve control system. The unloading valves selectively allow or resist fluid flow from higher to lower pressure areas within the refrigerant compressor assembly. | 06-10-2010 |
| 20100083679 | TEMPERATURE CONTROL SYSTEM WITH A DIRECTLY-CONTROLLED PURGE CYCLE - A temperature control system includes a compressor, a condenser, an evaporator, and an accumulator. A liquid level sensor is associated with the accumulator tank generates a signal indicative of the level of the liquid heat transfer fluid inside the accumulator. A valve is in fluid communication with the condenser, the compressor, and the evaporator and is operable in a first position and a second position. The first position directs the heat transfer fluid from the compressor to the condenser, and the second position directs the heat transfer fluid from the compressor to the evaporator without passing through the first heat exchanger. A controller is in electrical communication with the liquid level sensor and the valve and is operable to receive the signal and move the valve from the first position to the second position based on the signal. | 04-08-2010 |
| 20100024450 | MULTI TEMPERATURE CONTROL SYSTEM - An environmentally controlled shipping container including a storage space, a first environmentally controlled space within the storage space, a second environmentally controlled space within the storage space, and a transport refrigeration unit. The transport refrigeration unit including a compressor that provides a flow of refrigerant, a condenser that receives the flow of refrigerant from the compressor, a first evaporator positioned within the first environmentally controlled space and in fluid communication with the condenser, a second evaporator positioned within the second environmentally controlled space and in fluid communication with the condenser, and a pressure regulator associated with the first evaporator. The pressure regulator selectively restricts the flow of refrigerant from the first evaporator to the compressor such that the flow of refrigerant from the first evaporator to the compressor is substantially equal to the flow of refrigerant from the second evaporator to the compressor. | 02-04-2010 |
| 20090299534 | START/STOP TEMPERATURE CONTROL OPERATION - An environmentally controlled shipping container including a storage space and a refrigeration system that includes a prime mover, a compressor driven by the prime mover and providing a flow of refrigerant, a condenser that receives the flow of refrigerant from the compressor, an evaporator in heat exchange relation with the storage space to remove heat from air supplied to the storage space. A controller operates the refrigeration system in one of a continuous mode wherein the prime mover operates continuously, a standard start/stop mode wherein the prime mover operates intermittently such that while the prime mover is operating in the standard start/stop mode the compressor provides a maximum flow of refrigerant, and a modulated start/stop mode wherein the prime mover operates intermittently such that while the prime mover is operating in the modulated start/stop mode the operating parameters of the refrigeration system may be modulated. | 12-03-2009 |
| 20090299530 | START/STOP OPERATION FOR A CONTAINER GENERATOR SET - A generator set including a prime mover, a generator coupled to the prime mover, and a controller that is associated with a temperature controlled space and operates the generator set in one of a start/stop mode and a continuous mode depending on a demand defined at least in part by contents within the temperature controlled space. | 12-03-2009 |
| 20090277202 | HVAC MANAGEMENT SYSTEM FOR A VEHICLE - A vehicle that includes a frame, a prime mover, an alternator, a cabin, a HVAC system, and a power source. The prime mover is operable in a first mode that is configured for driving the vehicle and a second mode that is configured for standby operation of the vehicle. The cabin includes walls that define a space and that have insulation to insulate the space. The HVAC system is in communication with the cabin to condition the space, and includes a cooling system, a heating system, and a sorption system that dehumidifies air provided to the space. The power source has a battery that is in electrical communication with the alternator and the HVAC system to supply power to the HVAC system from the battery when the prime mover is in the first mode and when the prime mover is in the second mode. | 11-12-2009 |
| 20090277195 | REFRIGERATION SYSTEM INCLUDING A DESICCANT - A refrigeration system for providing conditioned air to a space includes a compressor operable to compress a refrigerant, a condenser configured to receive the refrigerant from the compressor, an expansion device configured to receive the refrigerant from the condenser, a desiccant operable to adsorb moisture from an airflow flowing through the desiccant such that the airflow is substantially dehumidified, and an evaporator assembly configured to receive the refrigerant from the expansion device and the airflow from the desiccant. The evaporator assembly is operable to condition the airflow prior to discharge from the evaporator assembly. The refrigeration system also includes a heat exchanger configured to selectively receive the refrigerant from at least one of the compressor and the condenser. The heat exchanger is in communication with the desiccant such that the refrigerant in the heat exchanger desorbs moisture from the desiccant. | 11-12-2009 |
| 20090266100 | CLOSED AND OPEN LOOP CRYOGENIC REFRIGERATION SYSTEM - A temperature-controlled vehicle including a cascade refrigeration system having a booster cooling line configured to supplement the cooling capacity of the cascade refrigeration system by expanding and venting a portion of a cryogenic refrigerant to the atmosphere during peak demands while the cascade refrigeration system continues to operate. | 10-29-2009 |
| 20090248218 | ENVIRONMENT CONTROL SYSTEM FOR A TRANSPORT UNIT - An environment control system for a transport unit defining a cargo space. The environment control system comprises a controller in communication with a user interface such that the user interface identifies to the controller one kind of cargo within the cargo space, an environment adjusting system in communication with the controller and operable to regulate environment conditions inside the cargo space, and a database in communication with the controller for storing an environment profile as a function of the one kind of cargo such that the environment profile includes a plurality of environment control parameters, each environment control parameter controls the environmental adjusting system for a respective predetermined interval. | 10-01-2009 |
| 20090126901 | EXTERNAL NOISE REDUCTION OF HVAC SYSTEM FOR A VEHICLE - A HVAC system for a vehicle that includes a propulsion system, a frame, a passenger compartment, and a door coupled to the frame. The HVAC system includes a refrigeration circuit that selectively controls the temperature of the passenger compartment based on a sensed temperature within the passenger compartment. The refrigeration circuit includes an exterior heat exchanger, a first air moving device coupled to the exterior heat exchanger, an interior heat exchanger, a second air moving device coupled to the interior heat exchanger, and a compressor. The HVAC system also includes a controller that is operable to detect a condition of the vehicle that includes at least one of a position of the door, a location of the vehicle, and a load of the propulsion system. The controller is programmed to adjust the refrigeration circuit in response to the sensed passenger compartment temperature and the detected vehicle condition. | 05-21-2009 |
| 20090071134 | DIESEL PARTICULATE FILTER INCLUDING A HEAT EXCHANGER - An after treatment device includes a housing defining an inlet and an outlet. The after treatment device also includes a core positioned substantially within the housing. The core is configured to treat a fluid. The after treatment device further includes a heat exchanger positioned substantially within the housing and about at least a portion of the core. The heat exchanger includes a first passage substantially surrounding the at least a portion of the core and configured to direct untreated fluid from the inlet toward the core, and a second passage substantially surrounding the at least a portion of the core and configured to direct treated fluid from the core toward the outlet. | 03-19-2009 |
| 20090071088 | WALL CONSTRUCTION FOR INSULATED ENCLOSURE - An enclosure for storing temperature sensitive goods. The enclosure includes a wall that has an interior wall member and an exterior wall member that is spaced apart from the interior wall member to define a gap. The interior wall member partially defines the conditioned space. The enclosure also includes an insulation member that is disposed between the interior wall member and the exterior wall member within the gap. The insulation member has a vacuum insulation panel and foam insulation that is positioned on both sides of the vacuum insulation panel to separate the vacuum insulation panel from the interior wall member and the exterior wall member. The vacuum insulation panel and the foam insulation cooperate to insulate the conditioned space. | 03-19-2009 |
| 20090049851 | TRANSPORT REFRIGERATION DAMPER ASSEMBLY - A damper assembly for a transport unit that defines a space and that includes a refrigeration system. The damper assembly includes a housing that is coupled to the transport unit, and that has an inlet and an outlet in communication with the conditioned space. The damper assembly also includes a blower assembly that is in communication with the inlet and the outlet, and that has a rotatable blower member that is configured to generate an airflow from the inlet toward the outlet. An airfoil-shaped damper blade is pivotally coupled to the housing about an axis offset from a center of the damper blade, and is positioned adjacent and in close proximity to the blower member, and is further positioned between the blower assembly and the outlet. The damper blade is pivotable about the axis between an open position and a closed position to selectively direct the airflow through the outlet. | 02-26-2009 |
| 20080314059 | DOUBLE CLUTCH DRIVE SYSTEM - A double clutch system that allows the engine to drive the compressor of an OEM system through a first engaged clutch when the engine is running and allows an electric motor to drive the compressor through a second engaged clutch when the engine is not running. The electric motor is powered by either a power source external to the tractor's engine compartment (e.g., a electric outlet or an auxiliary power unit having a diesel-fired engine and a generator) or powered by the tractor battery, which is charged by a power source external to the tractor's engine compartment. | 12-25-2008 |
| 20080264039 | STRUCTURE AND METHOD TO VERIFY DIESEL PARTICULATE FILTER OPERATION - A sensor for use with a diesel particulate filter in an exhaust system includes a collection device configured to be positioned downstream of the diesel particulate filter such that particulate matter not captured by the diesel particulate filter accumulates on the collection device. The collection device is configured to visually indicate a rate of particulate matter accumulation on the collection device. The rate of particulate matter accumulation corresponds to filter performance. | 10-30-2008 |