Scroll compressor with hot oil temperature responsive relief of back pressure chamber
A scroll compressor includes a protection device that has a valve movable between a position blocking flow from the back pressure chamber into the suction chamber, and a position allowing such flow. The valve is movable dependent on an oil temperature. Under adverse conditions, the oil will reach hi...
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| creator | PATEL TAPESH P |
| description | A scroll compressor includes a protection device that has a valve movable between a position blocking flow from the back pressure chamber into the suction chamber, and a position allowing such flow. The valve is movable dependent on an oil temperature. Under adverse conditions, the oil will reach higher temperatures and the valve will open allowing flow of refrigerant from the back pressure chamber into the suction chamber. This refrigerant will likely be at an elevated temperature, and will assist the heated oil in moving a motor protection switch associated with the motor to shut down the motor. Moreover, by relieving the back pressure chamber, the two scroll members are allowed to move out of contact with each other, thereby reducing potential damage due to the adverse conditions. |
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The valve is movable dependent on an oil temperature. Under adverse conditions, the oil will reach higher temperatures and the valve will open allowing flow of refrigerant from the back pressure chamber into the suction chamber. This refrigerant will likely be at an elevated temperature, and will assist the heated oil in moving a motor protection switch associated with the motor to shut down the motor. Moreover, by relieving the back pressure chamber, the two scroll members are allowed to move out of contact with each other, thereby reducing potential damage due to the adverse conditions.</description><edition>7</edition><language>eng</language><subject>BLASTING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; STEAM ENGINES ; WEAPONS</subject><creationdate>2005</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050524&DB=EPODOC&CC=US&NR=6896498B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050524&DB=EPODOC&CC=US&NR=6896498B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PATEL TAPESH P</creatorcontrib><title>Scroll compressor with hot oil temperature responsive relief of back pressure chamber</title><description>A scroll compressor includes a protection device that has a valve movable between a position blocking flow from the back pressure chamber into the suction chamber, and a position allowing such flow. The valve is movable dependent on an oil temperature. Under adverse conditions, the oil will reach higher temperatures and the valve will open allowing flow of refrigerant from the back pressure chamber into the suction chamber. This refrigerant will likely be at an elevated temperature, and will assist the heated oil in moving a motor protection switch associated with the motor to shut down the motor. 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The valve is movable dependent on an oil temperature. Under adverse conditions, the oil will reach higher temperatures and the valve will open allowing flow of refrigerant from the back pressure chamber into the suction chamber. This refrigerant will likely be at an elevated temperature, and will assist the heated oil in moving a motor protection switch associated with the motor to shut down the motor. Moreover, by relieving the back pressure chamber, the two scroll members are allowed to move out of contact with each other, thereby reducing potential damage due to the adverse conditions.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | esp@cenet |
| subjects | BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS |
| title | Scroll compressor with hot oil temperature responsive relief of back pressure chamber |
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