Abstract: The invention provides compositions and methods for more thoroughly cleaning internal combustion engines, fuel systems and emission systems and that operate with reduced toxic emissions. The invention provides an apparatus that contains at least one vessel for receiving a cleaning fluid and an electrode in a cleaning fluid flow path configured to apply a charge to a cleaning fluid. The cleaning fluids are unique fuel derived products which do not contain detergents. The apparatus is unique in that it can provide any of several cleaning processes including a pre-combustion cleaning process, a post-combustion cleaning process or a combined pre-combustion and post-combustion cleaning process. The method is particularly effective at cleaning oxygen sensors in exhaust systems.

Abstract: The invention provides compositions and methods for more thoroughly cleaning internal combustion engines, fuel systems and emission systems and that operate with reduced toxic emissions. The invention provides an apparatus that contains at least one vessel for receiving a cleaning fluid and an electrode in a cleaning fluid flow path configured to apply a charge to a cleaning fluid. The cleaning fluids are unique fuel derived products which do not contain detergents. The apparatus is unique in that it can provide any of several cleaning processes including a pre-combustion cleaning process, a post-combustion cleaning process or a combined pre-combustion and post-combustion cleaning process. The method is particularly effective at cleaning oxygen sensors in exhaust systems.

Abstract: The present application reveals a lamp and a method for detecting leaks in air-conditioning and refrigeration systems. The lamp uses one or more light-emitting diodes (LEDs) as a light source to detect fluorescent dyes that have been added to the air-conditioning or refrigeration system.

Abstract: The present specification discloses a work light having a tray for holding or positioning light components such as a light source, power source and electrical control unit. The components can easily be assembled on the tray for operation of the light. The tray can be compartmentalized by including barriers into which the modular components of the light fit. Such barriers provide for very simple assembly or replacement of the components and protect the components by limiting their movement with respect to each other. In an embodiment the tray contains a compartment for holding an electronic control unit. The tray can contain a battery compartment which can hold a battery powered power source. The tray can also contain a light source compartment for holding a light source. The tray can be supported by a housing or casing containing a light transmissible portion which surrounds at least a portion of the tray. A cap having a hollow shell body with an opening at one end can be used to close the end of the housing.

Abstract: The present application reveals a lamp and a method for detecting leaks in air-conditioning and refrigeration systems. The lamp uses one or more light-emitting diodes (LEDs) as a light source to detect fluorescent dyes that have been added to the air-conditioning or refrigeration system.

Abstract: The present application reveals a lamp and a method for detecting leaks in air-conditioning and refrigeration systems. The lamp uses one or more light-emitting diodes (LEDs) as a light source to detect fluorescent dyes that have been added to the air-conditioning or refrigeration system.

Abstract: The present application reveals a lamp and a method for detecting leaks in air-conditioning and refrigeration systems. The lamp uses one or more light-emitting diodes (LEDs) as a light source to detect fluorescent dyes that have been added to the air-conditioning or refrigeration system.

Abstract: The present application reveals a simplified method and a device for diagnosing performance of an air-conditioning system. The simplified method comprises determining a temperature differential or differentials between inlet and outlet temperatures of a condenser and/or between ambient and vent temperatures in the air-conditioning system; analyzing the differential or differentials to determine whether the air-conditioning system is properly functioning; and diagnosing performance of the air-conditioning system.

Abstract: The present application reveals a lamp and a method for detecting leaks in air-conditioning and refrigeration systems. The lamp uses one or more light-emitting diodes (LEDs) as a light source to detect fluorescent dyes that have been added to the air-conditioning or refrigeration system.

Abstract: A method for determining whether a fluid in an air-conditioning or refrigeration system has been altered is revealed. The method comprises preparing a non-radioactive label for a fluid used in the system, where the fluid is selected from a lubricant, a fluorescent dye and combinations thereof; adding a known quantity of the label to the fluid to form a labeled mixture of the fluid; performing an analysis of the labeled mixture to obtain a base-line profile of the labeled mixture; adding the labeled mixture to the system; providing the system to a user or customer; thereafter, performing an analysis of the fluid in the system to obtain a test profile; and determining whether the fluid in the system has been altered by comparing the base-line profile with the test profile of the fluid in the system.

Abstract: The present application reveals a simplified method and a device for diagnosing performance of an air-conditioning system. The simplified method comprises determining a temperature differential or differentials between inlet and outlet temperatures of a condenser and/or between ambient and vent temperatures in the air-conditioning system; analyzing the differential or differentials to determine whether the air-conditioning system is properly functioning; and diagnosing performance of the air-conditioning system.

Abstract: The present application reveals an improved filter for transmitting electromagnetic radiation in an excitation frequency band (300-475 nm) and for reflecting electromagnetic radiation in higher bands (greater than 475 nm). The higher bands comprise the visible emission band and the infrared band. The improved filter can be prepared by applying an infrared hot-mirror coating to a dichroic filter or the infrared hot-mirror coating can be applied to or used in conjunction with a blue filter.

Abstract: An apparatus and a method for injecting a concentrated fluorescent dye into a sealed air-conditioning system prior to the system going into service are revealed. The apparatus is made of a heated reservoir connected to a heated hose which is connected to a heated injector. The method involves heating a fluorescent dye to form a molten liquid fluorescent dye, maintaining the liquid fluorescent dye at a constant temperature and viscosity and injecting the liquid fluorescent dye into a component of a sealed air-conditioning system prior to the system going into service.

Abstract: The present application reveals a method and an apparatus for diagnosing performance of an air-conditioning system. The method comprising the steps of determining a temperature differential between inlet and outlet temperatures of a condenser in the air-conditioning system; determining a temperature differential between inlet and outlet temperatures of an evaporator in the air-conditioning system; determining a temperature differential between ambient and vent temperatures in the air-conditioning system; analyzing the differentials of the condenser, evaporator and ambient and vent temperatures; determining whether the air-conditioning system is properly functioning; and diagnosing performance of the air-conditioning system.

Abstract: An apparatus for adding coolant to a cooling system of a motor vehicle includes a cap with a resilient sleeve that expands against the inside wall of a radiator filler neck to provide an airtight connection. A valve attached to the cap controls the flow of air and coolant through the cap. A gauge on the cap indicates the pressure inside the radiator. A venturi assembly connected to the valve provides a source of vacuum for evacuating air from the cooling system. Thereafter, coolant is drawn through the cap by the vacuum created in the system.

Abstract: An apparatus (22) and method for detecting leaks in a pressurized air conditioning or refrigeration system (24) comprising a cartridge (26) is described. A facility (28) is for fluidly coupling the cartridge (26) to the pressurized system (24). An assemblage (30) is for forcing a secondary fluid (32) out of the cartridge (26), through the fluidly coupling facility (28) and into a service valve (34) of the pressurized system (24). The cartridge (26) has a first open end with an inner nozzle (33) which connects to the system being charged and an outer nozzle (37).

Abstract: An apparatus for adding coolant to a cooling system of a motor vehicle includes a cap with a resilient sleeve that expands against the inside walls of a radiator filler neck to provide an airtight connection. A valve attached to the cap controls the flow of air and coolant through the cap. A gauge on the cap indicates the pressure inside the radiator. A venturi assembly connected to the valve provides a source of vacuum for evacuating air from the cooling system. Thereafter, coolant is drawn through the cap by the vacuum created in the system.

Abstract: An apparatus (22) and method for detecting leaks in a pressurized air conditioning or refrigeration system (24) comprising a cartridge (26) is described. A facility (28) is for fluidly coupling the cartridge (26) to the pressurized system (24). An assemblage (30) is for forcing a secondary fluid (32) out of the cartridge (26), through the fluidly coupling facility (28) and into a service valve (34) of the pressurized system (24). The cartridge (26) has a first open end with an inner nozzle (33) which connects to the system being charged and an outer nozzle (37).

Abstract: An apparatus (22) and method for detecting leaks in a pressurized air conditioning or refrigeration system (24) comprising a cartridge (26) is described. A facility (28) is for fluidly coupling the cartridge (26) to the pressurized system (24). An assemblage (30) is for forcing a secondary fluid (32) out of the cartridge (26), through the fluidly coupling facility (28) and into a service valve (34) of the pressurized system (24). The cartridge (26) has a first open end with an inner nozzle (33) which connects to the system being charged and an outer nozzle (37).