Magnetic valve, especially three-way valve as a switching device

Makeup oil system for first stage oil separation in booster syst

Means for refrigeration speed control

Measuring evaporator load in an automotive air conditioning syst

Mechanical control system for preventing compressor lubrication

Medium voltage starter for a chiller unit

Method and a control unit for controlling a power level

Method and apparatus for acoustic attenuation in variable speed

Method and apparatus for collecting and chilling wastewater...

Method and apparatus for control of carbon dioxide gas...

Method and apparatus for controlling a refrigerant expansion val

Method and apparatus for controlling capacity of a multiple-stag

Method and apparatus for controlling the clutch of an air condit

Method and apparatus for controlling variable displacement compr

Method and apparatus for cooling foundry sand

Method and apparatus for dehumidification

Method and apparatus for detecting low refrigerant charge

Method and apparatus for detecting surge in centrifugal compress

Method and apparatus for determining supercritical pressure...

Method and apparatus for efficiently controlling refrigeration a