The present invention is directed to a system and method for a highly efficient manifold that connects to a pressure measurement apparatus for an RV propane system wherein the manifold is utilized for a quick connection without removal of a gas line whereby the manifold has quick coupling fittings or adapters to form a connection to the gas system and is utilized for a quick connection for a liquid petroleum timed pressure drop test, lock up test, and regulator adjustment without the need for tying into gas lines with hoses.

An apparatus for inspecting a ventilation characteristic according to various embodiments may comprise: a seating unit to which an object to be inspected is attached, and which has a lower surface and an upper surface facing in a direction opposite to the lower surface and includes at least one through-hole passing through the lower surface and the upper surface; a measuring unit which includes a groove for accommodating at least a portion of the seating unit including the lower surface of the seating unit, and a fluid supply passage for supplying a fluid in a direction facing the object to be inspected which is attached to the seating unit; and a compressing unit which is disposed to apply a pressing pressure to the seating unit at a position opposite to the upper surface of the seating unit and includes a fluid discharge passage so that a fluid supplied from the measurement unit is discharged through the object to be inspected. Other embodiments are also possible.

A leak detection system includes a testing interface, which includes a rotation holder configured to retain and rotate a package. The testing interface includes a plunger apparatus configured to actuate a plunger to apply a pressure to the package before and/or during the package being inspected using a high voltage leak detection (HVLD) apparatus. The testing interface also includes a controller configured to operate and coordinate the operation of the testing interface with operation of the HVLD apparatus.

A leak detection system includes a testing interface, which includes a rotation holder configured to retain and rotate a package. The testing interface includes a plunger apparatus configured to actuate a plunger to apply a pressure to the package before and/or during the package being inspected using a high voltage leak detection (HVLD) apparatus. The testing interface also includes a controller configured to operate and coordinate the operation of the testing interface with operation of the HVLD apparatus.

The present disclosure provides a leak test device, including: a test platform, the test platform being configured to carry and place a polishing head to be tested for leak, the polishing head being divided into one or more independent partitions, each of the partitions having a chamber correspondingly, and each chamber having vents correspondingly; an upper cover for sealing the chambers, the upper cover being located on the side of the chambers away from the test platform; and a movable device, the movable device being movable on a surface parallel to the test platform, movable in a direction perpendicular to the test platform, and also adapted to apply pressure on the upper cover so that the upper cover seals the chambers.

The present disclosure provides a leak test device, including: a test platform, the test platform being configured to carry and place a polishing head to be tested for leak, the polishing head being divided into one or more independent partitions, each of the partitions having a chamber correspondingly, and each chamber having vents correspondingly; an upper cover for sealing the chambers, the upper cover being located on the side of the chambers away from the test platform; and a movable device, the movable device being movable on a surface parallel to the test platform, movable in a direction perpendicular to the test platform, and also adapted to apply pressure on the upper cover so that the upper cover seals the chambers.

Systems and methods for monitoring the quality of water or leaks within a household plumbing system via machine learning are provided. Appliances can be connected to a plumbing system, wherein each appliance includes one or more sensors configured to output sensor data regarding a property of the water being utilized by that appliance. A processor is programmed to receive the sensor data and establish boundaries of normal operation. Then, when additional sensor data is received, the processor uses machine learning to classify that sensor data as being either within normal operation, or outside the bounds of normal operation. If the sensor data indicates the water property is outside the bounds, an output signal can be generated to inform the user.

Systems and methods for monitoring the quality of water or leaks within a household plumbing system via machine learning are provided. Appliances can be connected to a plumbing system, wherein each appliance includes one or more sensors configured to output sensor data regarding a property of the water being utilized by that appliance. A processor is programmed to receive the sensor data and establish boundaries of normal operation. Then, when additional sensor data is received, the processor uses machine learning to classify that sensor data as being either within normal operation, or outside the bounds of normal operation. If the sensor data indicates the water property is outside the bounds, an output signal can be generated to inform the user.

A vapor recovery system comprises a vapor recovery unit, environmental tank, control system, vent line, environmental tank line, main vapor recovery unit inlet line, and a discharge line. The vapor recovery unit comprises a vapor recovery vessel and a vapor recovery compressor comprising a motor. The main vapor recovery unit inlet line is fluidly connected to the vapor recovery vessel. The vent line comprises a valve adapted to regulate packing case vapor flow through the vent line to the main vapor recovery unit inlet line. The environmental tank line is fluidly connected to the main vapor recovery unit inlet line. The control system is adapted to monitor a vapor recovery vessel input pressure and control the vapor recovery compressor. The control system is further adapted to control a vapor recovery vessel output to the discharge line.

A vapor recovery system comprises a vapor recovery unit, environmental tank, control system, vent line, environmental tank line, main vapor recovery unit inlet line, and a discharge line. The vapor recovery unit comprises a vapor recovery vessel and a vapor recovery compressor comprising a motor. The main vapor recovery unit inlet line is fluidly connected to the vapor recovery vessel. The vent line comprises a valve adapted to regulate packing case vapor flow through the vent line to the main vapor recovery unit inlet line. The environmental tank line is fluidly connected to the main vapor recovery unit inlet line. The control system is adapted to monitor a vapor recovery vessel input pressure and control the vapor recovery compressor. The control system is further adapted to control a vapor recovery vessel output to the discharge line.