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2014
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G/S
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Compressors. |
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2012
|
Invention
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Motor cooling and sub-cooling circuits for compressor. An example of the disclosed refrigerant sy... |
|
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Invention
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High pressure ratio multi-stage centrifugal compressor. A heat pump system includes a refrigerant... |
|
|
Invention
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Variable-speed multi-stage refrigerant centrifugal compressor with diffusers. A refrigeration sys... |
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2011
|
Invention
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Centrifugal compressor diffuser control. A centrifugal refrigerant compressor system includes an ... |
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2010
|
Invention
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Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser. A ref... |
|
|
Invention
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Centrifugal compressor with fluid injector diffuser. A centrifugal compressor includes a housing ... |
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|
Invention
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Refrigerant compressor magnetic bearing. A magnetic bearing assembly includes a lamination stack ... |
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Invention
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A zero-voltage-transition soft switching converter. A zero-voltage-transition soft switching conv... |
|
|
Invention
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Igbt cooling method. A method for cooling power electronic devices such as IGBT's. The method com... |
|
|
Invention
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Rankine cycle heat recovery methods and devices. An integrated expansion turbine/electrical gener... |
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2008
|
Invention
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Multi-stage compressor. A system and a method for adding and subtracting stages of compression to... |
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2005
|
Invention
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Dynamically controlled compressors. In systems comprising at least two compressors, the present i... |
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2003
|
Invention
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Power supply circuit of a high speed electric motor. A power control system (12) for an electric ... |
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Invention
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Device to relieve thrust load in a rotor-bearing system using permanent magnets. The present inve... |
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Invention
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System and method for controlling a permanent magnet electric motor. A system and method are prov... |
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|
Invention
|
A centrifugal compressor. A compact and efficient compressor is provided, based on using magnetic... |
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1999
|
Invention
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Motor controller. A motor controller utilizes sensors to detect the rotational speed and relative... |
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1998
|
Invention
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Improvements in high speed electric motors. A high speed, brushless, DC motor has a rotor (10) co... |
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1994
|
Invention
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Compressor. A centrifugal type refrigerant compressor comprises at least one impeller, electric m... |
