DEVICE FOR A VARIABLE DISPLACEMENT HYDROSTATIC PUMP
The device disclosed comprises a regulating piston (12) for adjusting the control member (11) of the variable displacement pump (10). Said control member is acted on by a control pressure generated by a regulated valve (22) which is acted on by the differential pressure at a measurement choke (16) a...
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| creator | ROBELLER, WALTER WALTER, HEINZ TITTMANN, EGON NONNENMACHER, GERHARD BERTSCH, DIETER |
| description | The device disclosed comprises a regulating piston (12) for adjusting the control member (11) of the variable displacement pump (10). Said control member is acted on by a control pressure generated by a regulated valve (22) which is acted on by the differential pressure at a measurement choke (16) arranged in the delivery line (15) of the pump. In addition, a pressure spring (23) acts on the regulating valve against the higher pressure. In order to generate the control pressure, an external pressure supply (26) (pressure reservoir) is provided and, in addition, a direct connection (70) with choke (72) exists between the high pressure side and the control pressure connection for the regulating piston (12).
Un dispositif comprend un piston de réglage (12) de l'organe de réglage (11) de la pompe (10) à refoulement variable, commandé par une pression de commande. La pression de commande est générée par une soupape de réglage (22) qui reçoit la pression différentielle générée au niveau d'un étranglement de mesure (16) de la conduite de refoulement (15) de la pompe. En outre, un ressort de pression (23) agit sur la soupape de réglage contre la pression plus élevée. Une alimentation extérieure en pression (26) (accumulateur de pression) fournit la pression de commande. En outre, il existe une communication directe (70) à étranglement (72) entre le côté de haute pression et le raccord de la pression de commande du piston de réglage (12). |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_WO9010793A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>WO9010793A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_WO9010793A13</originalsourceid><addsrcrecordid>eNrjZDB2cQ3zdHZVcPMPUnBUCHMM8nR08nFVcPEMDvBxdHb1dfULUfCIdAnyDw5xDPF0VggI9Q3gYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXx4f6WBoYG5pbGjobGRCgBAEdxJsU</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>DEVICE FOR A VARIABLE DISPLACEMENT HYDROSTATIC PUMP</title><source>esp@cenet</source><creator>ROBELLER, WALTER ; WALTER, HEINZ ; TITTMANN, EGON ; NONNENMACHER, GERHARD ; BERTSCH, DIETER</creator><creatorcontrib>ROBELLER, WALTER ; WALTER, HEINZ ; TITTMANN, EGON ; NONNENMACHER, GERHARD ; BERTSCH, DIETER</creatorcontrib><description>The device disclosed comprises a regulating piston (12) for adjusting the control member (11) of the variable displacement pump (10). Said control member is acted on by a control pressure generated by a regulated valve (22) which is acted on by the differential pressure at a measurement choke (16) arranged in the delivery line (15) of the pump. In addition, a pressure spring (23) acts on the regulating valve against the higher pressure. In order to generate the control pressure, an external pressure supply (26) (pressure reservoir) is provided and, in addition, a direct connection (70) with choke (72) exists between the high pressure side and the control pressure connection for the regulating piston (12).
Un dispositif comprend un piston de réglage (12) de l'organe de réglage (11) de la pompe (10) à refoulement variable, commandé par une pression de commande. La pression de commande est générée par une soupape de réglage (22) qui reçoit la pression différentielle générée au niveau d'un étranglement de mesure (16) de la conduite de refoulement (15) de la pompe. En outre, un ressort de pression (23) agit sur la soupape de réglage contre la pression plus élevée. Une alimentation extérieure en pression (26) (accumulateur de pression) fournit la pression de commande. En outre, il existe une communication directe (70) à étranglement (72) entre le côté de haute pression et le raccord de la pression de commande du piston de réglage (12).</description><language>eng ; ger</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>1990</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=19900920&DB=EPODOC&CC=WO&NR=9010793A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900920&DB=EPODOC&CC=WO&NR=9010793A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ROBELLER, WALTER</creatorcontrib><creatorcontrib>WALTER, HEINZ</creatorcontrib><creatorcontrib>TITTMANN, EGON</creatorcontrib><creatorcontrib>NONNENMACHER, GERHARD</creatorcontrib><creatorcontrib>BERTSCH, DIETER</creatorcontrib><title>DEVICE FOR A VARIABLE DISPLACEMENT HYDROSTATIC PUMP</title><description>The device disclosed comprises a regulating piston (12) for adjusting the control member (11) of the variable displacement pump (10). Said control member is acted on by a control pressure generated by a regulated valve (22) which is acted on by the differential pressure at a measurement choke (16) arranged in the delivery line (15) of the pump. In addition, a pressure spring (23) acts on the regulating valve against the higher pressure. In order to generate the control pressure, an external pressure supply (26) (pressure reservoir) is provided and, in addition, a direct connection (70) with choke (72) exists between the high pressure side and the control pressure connection for the regulating piston (12).
Un dispositif comprend un piston de réglage (12) de l'organe de réglage (11) de la pompe (10) à refoulement variable, commandé par une pression de commande. La pression de commande est générée par une soupape de réglage (22) qui reçoit la pression différentielle générée au niveau d'un étranglement de mesure (16) de la conduite de refoulement (15) de la pompe. En outre, un ressort de pression (23) agit sur la soupape de réglage contre la pression plus élevée. Une alimentation extérieure en pression (26) (accumulateur de pression) fournit la pression de commande. En outre, il existe une communication directe (70) à étranglement (72) entre le côté de haute pression et le raccord de la pression de commande du piston de réglage (12).</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB2cQ3zdHZVcPMPUnBUCHMM8nR08nFVcPEMDvBxdHb1dfULUfCIdAnyDw5xDPF0VggI9Q3gYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXx4f6WBoYG5pbGjobGRCgBAEdxJsU</recordid><startdate>19900920</startdate><enddate>19900920</enddate><creator>ROBELLER, WALTER</creator><creator>WALTER, HEINZ</creator><creator>TITTMANN, EGON</creator><creator>NONNENMACHER, GERHARD</creator><creator>BERTSCH, DIETER</creator><scope>EVB</scope></search><sort><creationdate>19900920</creationdate><title>DEVICE FOR A VARIABLE DISPLACEMENT HYDROSTATIC PUMP</title><author>ROBELLER, WALTER ; WALTER, HEINZ ; TITTMANN, EGON ; NONNENMACHER, GERHARD ; BERTSCH, DIETER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO9010793A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1990</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ROBELLER, WALTER</creatorcontrib><creatorcontrib>WALTER, HEINZ</creatorcontrib><creatorcontrib>TITTMANN, EGON</creatorcontrib><creatorcontrib>NONNENMACHER, GERHARD</creatorcontrib><creatorcontrib>BERTSCH, DIETER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ROBELLER, WALTER</au><au>WALTER, HEINZ</au><au>TITTMANN, EGON</au><au>NONNENMACHER, GERHARD</au><au>BERTSCH, DIETER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DEVICE FOR A VARIABLE DISPLACEMENT HYDROSTATIC PUMP</title><date>1990-09-20</date><risdate>1990</risdate><abstract>The device disclosed comprises a regulating piston (12) for adjusting the control member (11) of the variable displacement pump (10). Said control member is acted on by a control pressure generated by a regulated valve (22) which is acted on by the differential pressure at a measurement choke (16) arranged in the delivery line (15) of the pump. In addition, a pressure spring (23) acts on the regulating valve against the higher pressure. In order to generate the control pressure, an external pressure supply (26) (pressure reservoir) is provided and, in addition, a direct connection (70) with choke (72) exists between the high pressure side and the control pressure connection for the regulating piston (12).
Un dispositif comprend un piston de réglage (12) de l'organe de réglage (11) de la pompe (10) à refoulement variable, commandé par une pression de commande. La pression de commande est générée par une soupape de réglage (22) qui reçoit la pression différentielle générée au niveau d'un étranglement de mesure (16) de la conduite de refoulement (15) de la pompe. En outre, un ressort de pression (23) agit sur la soupape de réglage contre la pression plus élevée. Une alimentation extérieure en pression (26) (accumulateur de pression) fournit la pression de commande. En outre, il existe une communication directe (70) à étranglement (72) entre le côté de haute pression et le raccord de la pression de commande du piston de réglage (12).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
| recordid | cdi_epo_espacenet_WO9010793A1 |
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| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS |
| title | DEVICE FOR A VARIABLE DISPLACEMENT HYDROSTATIC PUMP |
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