http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1367640-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_73ee0bacab5a7576a6a3244747f6ea99 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28F21-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28D7-0025 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28F3-083 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F28F7-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B33-131 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B33-13 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B33-1305 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F21-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F3-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28D7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B33-13 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F7-02 |
| filingDate | 1970-12-11^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1974-09-18^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1367640-A |
| titleOfInvention | Heat exchangers |
| abstract | 1367640 Heat exchangers IMPERIAL CHEMICAL INDUSTRIES Ltd 25 Nov 1971 [11 Dec 1970] 59030/70 Heading F4S A block heat exchanger is constructed from a composite heat transfer material comprising aluminium phosphate and a refractory filler. The filler may be fibrous material in the form of a woven cloth or mat or be particulate material of high conductivity. Examples of suitable fibres are: alumina and zirconia fibre, silica glass fibre, alumina-silicate fibre and aluminium phosphate fibre. Examples of particulate fillers are: refractory metal carbides and nitrides such as titanium carbide, silica flour, fused amorphous silica and fused silica grog. The aluminium phosphate serves as a binder. Preferably the aluminium phosphate is derived from a complex phosphate of aluminium containing at least one chemically bound molecule of water or a hydroxy compound R-OH wherein R is an organic group, and an anionic group of a strong inorganic acid or a carboxylic acid. Examples of complex phosphates are phosphates containing ethyl alcohol and having the empirical formula ALPCLH 25 C 8 O 8 or ALPCLH 11 O 9 . The block heat exchanger shown is constructed from sheets of aluminium phosphate containing particulate filler, the block being built up from suitably grooved rectangular sheets, the grooves 30, 31 of adjacent sheets co-operating to form two series of circular passages 22, 23 at right angles to one another for the respective heat exchange fluids. Headers 36 are provided. A modified form of block heat exchanger is disclosed (see Figs. 1-3). In an alternative embodiment (Figs. 4 and 5) alternately arranged flat and corrugated sheets of silica glass cloth impregnated with aluminium phosphate define a plate heat exchanger stack which is suitably heated and cured at 120‹ C. |
| priorityDate | 1970-12-11^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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