DISPOSITIVO DI REGOLAZIONE DELLA PRESSIONE PER UNA POMPA IDRAULICA,IN PARTICOLARE UNA POMPA ROTATIVA A PALETTE
The pump (1) is furnished with a movable cam-ring (4), a positioning piston-and-cylinder unit (7) on one side of said ring and a control piston-and-cylinder unit (9) on the opposite side, the pressure chambers of these units being linked to the pressure line (12) of the pump via lines (13 and 14). A...
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| creator | SCHOELLHORN HERMANN KAHRS MANFRED GREEB ROLF SPROCKHOFF VOLKER |
| description | The pump (1) is furnished with a movable cam-ring (4), a positioning piston-and-cylinder unit (7) on one side of said ring and a control piston-and-cylinder unit (9) on the opposite side, the pressure chambers of these units being linked to the pressure line (12) of the pump via lines (13 and 14). A flow-restricting orifice (15) is provided in the line (14) and a pressure-relief valve (18) is connected between the latter and an unpressurised tank (17). The pressure-relief valve is controlled by a pressure-responsive electric sensor (19) in accordance with a desired pressure- relief valve characteristic-curve, preferably having a descending slope. A comparator (21) may be disposed between the sensor and the pressure- relief valve in order that control is initiated only when a given pressure has been reached. |
| format | Patent |
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A flow-restricting orifice (15) is provided in the line (14) and a pressure-relief valve (18) is connected between the latter and an unpressurised tank (17). The pressure-relief valve is controlled by a pressure-responsive electric sensor (19) in accordance with a desired pressure- relief valve characteristic-curve, preferably having a descending slope. A comparator (21) may be disposed between the sensor and the pressure- relief valve in order that control is initiated only when a given pressure has been reached.</description><edition>4</edition><language>ita</language><subject>BLASTING ; CONTROLLING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PHYSICS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; REGULATING ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; WEAPONS</subject><creationdate>1987</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=19870930&DB=EPODOC&CC=IT&NR=1181930B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870930&DB=EPODOC&CC=IT&NR=1181930B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHOELLHORN HERMANN</creatorcontrib><creatorcontrib>KAHRS MANFRED</creatorcontrib><creatorcontrib>GREEB ROLF</creatorcontrib><creatorcontrib>SPROCKHOFF VOLKER</creatorcontrib><title>DISPOSITIVO DI REGOLAZIONE DELLA PRESSIONE PER UNA POMPA IDRAULICA,IN PARTICOLARE UNA POMPA ROTATIVA A PALETTE</title><description>The pump (1) is furnished with a movable cam-ring (4), a positioning piston-and-cylinder unit (7) on one side of said ring and a control piston-and-cylinder unit (9) on the opposite side, the pressure chambers of these units being linked to the pressure line (12) of the pump via lines (13 and 14). A flow-restricting orifice (15) is provided in the line (14) and a pressure-relief valve (18) is connected between the latter and an unpressurised tank (17). The pressure-relief valve is controlled by a pressure-responsive electric sensor (19) in accordance with a desired pressure- relief valve characteristic-curve, preferably having a descending slope. A comparator (21) may be disposed between the sensor and the pressure- relief valve in order that control is initiated only when a given pressure has been reached.</description><subject>BLASTING</subject><subject>CONTROLLING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>REGULATING</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjLEKwkAQRNNYiPoN7gcoGNJoud6tunDmjr2NhU0IclYSA_H_8RALO6thHm9mWvSWY_CRlS8eLIPQ0Tu8sq8JLDmHEIRi_PRAAk2diT8HBLaCjWODK64hoCibvBT6UcQr5mOEDNCRKs2Lyb17jGnxzVmxPJCa0zoNzzaNQ3dLfXq1rGW5LXfVZl_9N96hRTaG</recordid><startdate>19870930</startdate><enddate>19870930</enddate><creator>SCHOELLHORN HERMANN</creator><creator>KAHRS MANFRED</creator><creator>GREEB ROLF</creator><creator>SPROCKHOFF VOLKER</creator><scope>EVB</scope></search><sort><creationdate>19870930</creationdate><title>DISPOSITIVO DI REGOLAZIONE DELLA PRESSIONE PER UNA POMPA IDRAULICA,IN PARTICOLARE UNA POMPA ROTATIVA A PALETTE</title><author>SCHOELLHORN HERMANN ; KAHRS MANFRED ; GREEB ROLF ; SPROCKHOFF VOLKER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_IT1181930B3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ita</language><creationdate>1987</creationdate><topic>BLASTING</topic><topic>CONTROLLING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>REGULATING</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHOELLHORN HERMANN</creatorcontrib><creatorcontrib>KAHRS MANFRED</creatorcontrib><creatorcontrib>GREEB ROLF</creatorcontrib><creatorcontrib>SPROCKHOFF VOLKER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHOELLHORN HERMANN</au><au>KAHRS MANFRED</au><au>GREEB ROLF</au><au>SPROCKHOFF VOLKER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DISPOSITIVO DI REGOLAZIONE DELLA PRESSIONE PER UNA POMPA IDRAULICA,IN PARTICOLARE UNA POMPA ROTATIVA A PALETTE</title><date>1987-09-30</date><risdate>1987</risdate><abstract>The pump (1) is furnished with a movable cam-ring (4), a positioning piston-and-cylinder unit (7) on one side of said ring and a control piston-and-cylinder unit (9) on the opposite side, the pressure chambers of these units being linked to the pressure line (12) of the pump via lines (13 and 14). A flow-restricting orifice (15) is provided in the line (14) and a pressure-relief valve (18) is connected between the latter and an unpressurised tank (17). The pressure-relief valve is controlled by a pressure-responsive electric sensor (19) in accordance with a desired pressure- relief valve characteristic-curve, preferably having a descending slope. A comparator (21) may be disposed between the sensor and the pressure- relief valve in order that control is initiated only when a given pressure has been reached.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | ita |
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| subjects | BLASTING CONTROLLING HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REGULATING ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES WEAPONS |
| title | DISPOSITIVO DI REGOLAZIONE DELLA PRESSIONE PER UNA POMPA IDRAULICA,IN PARTICOLARE UNA POMPA ROTATIVA A PALETTE |
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