VARIABLE DISPLACEMENT VANE PUMP WITH THERMO-COMPENSATION

A variable displacement vane pump has a control slide displaceable within its housing and a first control chamber and a second control chamber for receiving pressurized lubricant. A thermally adjustable control valve is provided in the housing for adjusting pump displacement based on a temperature o...

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Hauptverfasser:	KUTZER, Hans Peter, ARNOLD, Manfred, VALKENBERG, Ralph
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL 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 STEAM ENGINES WEAPONS
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creator	KUTZER, Hans Peter ARNOLD, Manfred VALKENBERG, Ralph
description	A variable displacement vane pump has a control slide displaceable within its housing and a first control chamber and a second control chamber for receiving pressurized lubricant. A thermally adjustable control valve is provided in the housing for adjusting pump displacement based on a temperature of the lubricant. In addition to fluid communication channels in the control chambers, at least one vent port is provided in the second chamber. The control valve is configured to control pressure and fluid communication between the chambers along with the control slide. The control valve can help reduce pump displacement at lower temperatures and low engine speeds. At lower temperatures, the second control chamber can be pressurized by the first control chamber. At higher temperatures, the second control chamber can be vented through the control valve and/or the vent port, despite the position of the control slide.
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A thermally adjustable control valve is provided in the housing for adjusting pump displacement based on a temperature of the lubricant. In addition to fluid communication channels in the control chambers, at least one vent port is provided in the second chamber. The control valve is configured to control pressure and fluid communication between the chambers along with the control slide. The control valve can help reduce pump displacement at lower temperatures and low engine speeds. At lower temperatures, the second control chamber can be pressurized by the first control chamber. At higher temperatures, the second control chamber can be vented through the control valve and/or the vent port, despite the position of the control slide.</description><language>eng ; fre ; ger</language><subject>BLASTING ; CRANKCASE VENTILATING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; LUBRICATING INTERNAL COMBUSTION ENGINES ; LUBRICATING OF MACHINES OR ENGINES IN GENERAL ; MACHINES OR ENGINES IN GENERAL ; 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 ; STEAM ENGINES ; WEAPONS</subject><creationdate>2021</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=20210825&DB=EPODOC&CC=EP&NR=3099938B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210825&DB=EPODOC&CC=EP&NR=3099938B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUTZER, Hans Peter</creatorcontrib><creatorcontrib>ARNOLD, Manfred</creatorcontrib><creatorcontrib>VALKENBERG, Ralph</creatorcontrib><title>VARIABLE DISPLACEMENT VANE PUMP WITH THERMO-COMPENSATION</title><description>A variable displacement vane pump has a control slide displaceable within its housing and a first control chamber and a second control chamber for receiving pressurized lubricant. 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At higher temperatures, the second control chamber can be vented through the control valve and/or the vent port, despite the position of the control slide.</description><subject>BLASTING</subject><subject>CRANKCASE VENTILATING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LUBRICATING INTERNAL COMBUSTION ENGINES</subject><subject>LUBRICATING OF MACHINES OR ENGINES IN GENERAL</subject><subject>MACHINES OR ENGINES IN GENERAL</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>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAIcwzydHTycVVw8QwO8HF0dvV19QtRCHP0c1UICPUNUAj3DPFQCPFwDfL113X29w1w9Qt2DPH09-NhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAcYGlpaWxhZOhsZEKAEAL5cobg</recordid><startdate>20210825</startdate><enddate>20210825</enddate><creator>KUTZER, Hans Peter</creator><creator>ARNOLD, Manfred</creator><creator>VALKENBERG, Ralph</creator><scope>EVB</scope></search><sort><creationdate>20210825</creationdate><title>VARIABLE DISPLACEMENT VANE PUMP WITH THERMO-COMPENSATION</title><author>KUTZER, Hans Peter ; ARNOLD, Manfred ; VALKENBERG, Ralph</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3099938B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2021</creationdate><topic>BLASTING</topic><topic>CRANKCASE VENTILATING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LUBRICATING INTERNAL COMBUSTION ENGINES</topic><topic>LUBRICATING OF MACHINES OR ENGINES IN GENERAL</topic><topic>MACHINES OR ENGINES IN GENERAL</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>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KUTZER, Hans Peter</creatorcontrib><creatorcontrib>ARNOLD, Manfred</creatorcontrib><creatorcontrib>VALKENBERG, Ralph</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUTZER, Hans Peter</au><au>ARNOLD, Manfred</au><au>VALKENBERG, Ralph</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VARIABLE DISPLACEMENT VANE PUMP WITH THERMO-COMPENSATION</title><date>2021-08-25</date><risdate>2021</risdate><abstract>A variable displacement vane pump has a control slide displaceable within its housing and a first control chamber and a second control chamber for receiving pressurized lubricant. 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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP3099938B1
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subjects	BLASTING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL 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 STEAM ENGINES WEAPONS
title	VARIABLE DISPLACEMENT VANE PUMP WITH THERMO-COMPENSATION
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