http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-2401643-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_11ae3c8ebd2bc954fac3c8e8a87decd4 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F04B43-067 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F04B13-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F04B43-026 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F04B13-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F04B43-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F04B43-067 |
| filingDate | 1974-01-15^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c708c70e9b613cd0d37a37fc6f123fed |
| publicationDate | 1975-07-17^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | DE-2401643-A1 |
| titleOfInvention | PROCESS FOR PROPORTIONAL DOSING IN SLUDGE PUMPS THAT WORK ON FILTER PRESSES |
| abstract | The sludge is passed through filter presses where the solids are retained by the filter and the liquids flow away. Since the flow rate through the filter varies depending on the amount of solids retained by the filter the treatment chemicals added to the sludge containing liquid are therefore varied depending on the flow rate. The metering system for adding treatment chemicals to the unfiltered sludge containing liquid in the diagram has two combined piston diaphragm pumps which operate in parallel. One of these pumps delivers the unfiltered sludge containing water and the second pump delivers the unfiltered sludge containing water and the second pump delivers treatment chemicals. Both pumps connect to a common sludge containing water pressure chamber and are driven by a common piston rod. As the filter is blocked by the solids the pressure of the sludge containing water pressure chamber is increased and the throttling diaphragm with a spring is loaded correspondingly and reduces the flow rate to the valve so that less actuating fluid is provided to the control sysem. The chemicals are supplied into the chemicals chamber and transferred through a vave into the pressurised sludge. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2415450-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9248222-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7503910-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-03102419-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2216057-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8506554-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0484575-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8858534-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8317774-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007088530-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8235972-B2 |
| priorityDate | 1974-01-15^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419512635 http://rdf.ncbi.nlm.nih.gov/pubchem/anatomy/ANATOMYID1103 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID962 |
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