Scroll compressor with high side to low side oil bleed valve

Details Scroll compressor with high side to low side oil bleed valve Scroll compressor with high side to low side oil bleed valve

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.

REFERENCES:
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patent: 5248244 (1993-09-01), Ho et al.
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patent: 6648607 (2003-11-01), Milliff et al.
patent: 6848889 (2005-02-01), Hugenroth
patent: 7396213 (2008-07-01), Hugenroth
patent: 2003/0035736 (2003-02-01), Nam
patent: 1130265 (2002-05-01), None
patent: 03237286 (1991-10-01), None

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