Vane compressor

The invention provides a vane compressor which hardly causes power loss and backflow of refrigerating gas and the like. The vane compressor includes shells (1, 3, 5), a drive shaft (8), a rotor (15), vanes (17) and a backpressure supply device. The backpressure supply device includes an upper channe...

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Hauptverfasser:	SATOSHI KOUMURA, TSUBASA MITSUI, KAZUO KOBAYASHI, KAZUHIRO HOTTA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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creator	SATOSHI KOUMURA TSUBASA MITSUI KAZUO KOBAYASHI KAZUHIRO HOTTA
description	The invention provides a vane compressor which hardly causes power loss and backflow of refrigerating gas and the like. The vane compressor includes shells (1, 3, 5), a drive shaft (8), a rotor (15), vanes (17) and a backpressure supply device. The backpressure supply device includes an upper channel (4c), a lower channel (4d) and a rotary channel (8b). The upper channel is formed on a second partition wall (3a) and extends from a discharge chamber (10) and leads to a shaft hole (4b). The lower channel is formed in the second partition wall (3a) and is communicated with a backpressure chamber (15d) of a compression stage. The rotary channel is formed in the drive shaft and the upper channel and the lower channel are communicated with each other intermittently according to a phase position of the drive shaft in a rotation direction or a rotation angle of the drive shaft. The lower channel includes a buffer chamber (4e) configured to lead to the shaft hole and be communicated with the rotary channel and a discharge hole (4f) configured to extend from the buffer chamber and lead to a second face (4a). A sealing ring (23) is arranged between the shaft hole and the drive shaft so as to seal the buffer chamber from the second face.
format	Patent
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The vane compressor includes shells (1, 3, 5), a drive shaft (8), a rotor (15), vanes (17) and a backpressure supply device. The backpressure supply device includes an upper channel (4c), a lower channel (4d) and a rotary channel (8b). The upper channel is formed on a second partition wall (3a) and extends from a discharge chamber (10) and leads to a shaft hole (4b). The lower channel is formed in the second partition wall (3a) and is communicated with a backpressure chamber (15d) of a compression stage. The rotary channel is formed in the drive shaft and the upper channel and the lower channel are communicated with each other intermittently according to a phase position of the drive shaft in a rotation direction or a rotation angle of the drive shaft. The lower channel includes a buffer chamber (4e) configured to lead to the shaft hole and be communicated with the rotary channel and a discharge hole (4f) configured to extend from the buffer chamber and lead to a second face (4a). 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The vane compressor includes shells (1, 3, 5), a drive shaft (8), a rotor (15), vanes (17) and a backpressure supply device. The backpressure supply device includes an upper channel (4c), a lower channel (4d) and a rotary channel (8b). The upper channel is formed on a second partition wall (3a) and extends from a discharge chamber (10) and leads to a shaft hole (4b). The lower channel is formed in the second partition wall (3a) and is communicated with a backpressure chamber (15d) of a compression stage. The rotary channel is formed in the drive shaft and the upper channel and the lower channel are communicated with each other intermittently according to a phase position of the drive shaft in a rotation direction or a rotation angle of the drive shaft. The lower channel includes a buffer chamber (4e) configured to lead to the shaft hole and be communicated with the rotary channel and a discharge hole (4f) configured to extend from the buffer chamber and lead to a second face (4a). A sealing ring (23) is arranged between the shaft hole and the drive shaft so as to seal the buffer chamber from the second face.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAPS8xLVUjOzy0oSi0uzi_iYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBiaWJhYmphaOxsSoAQCJpx8D</recordid><startdate>20150930</startdate><enddate>20150930</enddate><creator>SATOSHI KOUMURA</creator><creator>TSUBASA MITSUI</creator><creator>KAZUO KOBAYASHI</creator><creator>KAZUHIRO HOTTA</creator><scope>EVB</scope></search><sort><creationdate>20150930</creationdate><title>Vane compressor</title><author>SATOSHI KOUMURA ; TSUBASA MITSUI ; KAZUO KOBAYASHI ; KAZUHIRO HOTTA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104948458A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SATOSHI KOUMURA</creatorcontrib><creatorcontrib>TSUBASA MITSUI</creatorcontrib><creatorcontrib>KAZUO KOBAYASHI</creatorcontrib><creatorcontrib>KAZUHIRO HOTTA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SATOSHI KOUMURA</au><au>TSUBASA MITSUI</au><au>KAZUO KOBAYASHI</au><au>KAZUHIRO HOTTA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Vane compressor</title><date>2015-09-30</date><risdate>2015</risdate><abstract>The invention provides a vane compressor which hardly causes power loss and backflow of refrigerating gas and the like. The vane compressor includes shells (1, 3, 5), a drive shaft (8), a rotor (15), vanes (17) and a backpressure supply device. The backpressure supply device includes an upper channel (4c), a lower channel (4d) and a rotary channel (8b). The upper channel is formed on a second partition wall (3a) and extends from a discharge chamber (10) and leads to a shaft hole (4b). The lower channel is formed in the second partition wall (3a) and is communicated with a backpressure chamber (15d) of a compression stage. The rotary channel is formed in the drive shaft and the upper channel and the lower channel are communicated with each other intermittently according to a phase position of the drive shaft in a rotation direction or a rotation angle of the drive shaft. The lower channel includes a buffer chamber (4e) configured to lead to the shaft hole and be communicated with the rotary channel and a discharge hole (4f) configured to extend from the buffer chamber and lead to a second face (4a). A sealing ring (23) is arranged between the shaft hole and the drive shaft so as to seal the buffer chamber from the second face.</abstract><oa>free_for_read</oa></addata></record>
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language	eng
recordid	cdi_epo_espacenet_CN104948458A
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subjects	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
title	Vane compressor
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