Pumps – Condition responsive control of pump drive motor – Responsive to pump lubricant – sealant – or coolant condition
Reexamination Certificate
2007-09-26
2009-06-16
Trieu, Theresa (Department: 3748)
Pumps
Condition responsive control of pump drive motor
Responsive to pump lubricant, sealant, or coolant condition
C417S228000, C418S055100, C418S270000, C184S006100, C184S006400
Reexamination Certificate
active
07547195
ABSTRACT:
A scroll compressor is provided with an oil bleed valve that selectively communicates a discharge pressure chamber to a suction pressure chamber. The oil bleed valve controls flow of hot oil through a passage and onto a safety shutoff switch for an electric motor.
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Hahn Gregory W.
Upadhye Harshal
Carlson & Gaskey & Olds
Scroll Technologies
Trieu Theresa
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