Control of winding temperatures of liquid cooled generators

Patent Images

1. IN A LIQUID-COOLED DYNAMOELECTRIC MACHINE, THE COMBINATION OF:

A STATOR CORE HAVING LONGITUDINAL CIRCUMFERENTIALLY SPACED SLOTS, FIRST AND SECOND CONDUCTOR BARS DISPOSED IN SPACED SLOTS AND EXTENDING THE LENGTH OF THE STATOR CORE AND INCLUDING INTERNAL LIQUID COOLING PASSAGES, SAID FIRST AND SECOND BARS HAVING TERMINATING ENDS AT CIRCUMFERENTIALLY SPACED LOCATIONS ON ONE END OF THE STATOR CORE, SAID FIRST BAR BEING SUBJECTED TO GREATER OHMIC LOSSES DURING OPERATION THAN SAID SECOND BAR, WHEREBY RELATIVELY MORE HEAT IS EVOLVED IN SAID FIRST BAR, A CIRCUMFERENTIALLY EXTENDING CONNECTION RING ELECTRICALLY CONNECTING THE ENDS OF THE FIRST AND SECOND BARS, SAID CONNECTION RING ALSO HAVING INTERNAL LIQUID COOLING PASSAGES, INSULATING HOSE MEANS SUPPLYING LIQUID COOLANT UNDER PRESSURE,

Timeline View

Assignment View

1. IN A LIQUID-COOLED DYNAMOELECTRIC MACHINE, THE COMBINATION OF:
- A STATOR CORE HAVING LONGITUDINAL CIRCUMFERENTIALLY SPACED SLOTS, FIRST AND SECOND CONDUCTOR BARS DISPOSED IN SPACED SLOTS AND EXTENDING THE LENGTH OF THE STATOR CORE AND INCLUDING INTERNAL LIQUID COOLING PASSAGES, SAID FIRST AND SECOND BARS HAVING TERMINATING ENDS AT CIRCUMFERENTIALLY SPACED LOCATIONS ON ONE END OF THE STATOR CORE, SAID FIRST BAR BEING SUBJECTED TO GREATER OHMIC LOSSES DURING OPERATION THAN SAID SECOND BAR, WHEREBY RELATIVELY MORE HEAT IS EVOLVED IN SAID FIRST BAR, A CIRCUMFERENTIALLY EXTENDING CONNECTION RING ELECTRICALLY CONNECTING THE ENDS OF THE FIRST AND SECOND BARS, SAID CONNECTION RING ALSO HAVING INTERNAL LIQUID COOLING PASSAGES, INSULATING HOSE MEANS SUPPLYING LIQUID COOLANT UNDER PRESSURE,

Litigation Campaign Assessment