NL7408574A - - Google Patents
Info
- Publication number
- NL7408574A NL7408574A NL7408574A NL7408574A NL7408574A NL 7408574 A NL7408574 A NL 7408574A NL 7408574 A NL7408574 A NL 7408574A NL 7408574 A NL7408574 A NL 7408574A NL 7408574 A NL7408574 A NL 7408574A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/002—Air heaters using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7324071A FR2235343B1 (it) | 1973-06-29 | 1973-06-29 | |
FR7421054A FR2275743A2 (fr) | 1974-06-18 | 1974-06-18 | Diffuseurs a ailettes notamment pour elements de chauffage electrique |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7408574A true NL7408574A (it) | 1974-12-31 |
Family
ID=26217809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7408574A NL7408574A (it) | 1973-06-29 | 1974-06-26 |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH588058A5 (it) |
DE (1) | DE2431211A1 (it) |
ES (1) | ES427801A1 (it) |
GB (1) | GB1480833A (it) |
IT (1) | IT1015522B (it) |
NL (1) | NL7408574A (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1009241C2 (nl) * | 1998-05-20 | 1999-11-24 | Omega Laser Systems B V | Werkwijze voor het vervaardigen van een warmtewisselaar, alsmede met die werkwijze verkregen warmtewisselaar. |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1535561A (en) * | 1976-01-23 | 1978-12-13 | Tugonia Ag | Heat exchanger for convector heater |
DE3208828A1 (de) * | 1982-03-11 | 1983-09-22 | Webasto-Werk W. Baier GmbH & Co, 8035 Gauting | Mit fluessigem brennstoff betriebenes heizgeraet |
GB8320277D0 (en) * | 1983-07-27 | 1983-09-01 | Simpson V J | Gas fired boilers |
FI81473C (fi) * | 1988-05-16 | 1990-10-10 | Loval Oy | Uppvaermningselement foer elektriska rumsuppvaermare, speciellt av genomstroemningstyp. |
EP1845317A1 (en) * | 2006-04-14 | 2007-10-17 | CEBI S.p.A. | Electric heater with PTC pellets for heating the interior compartment of vehicles |
-
1974
- 1974-06-26 GB GB2836374A patent/GB1480833A/en not_active Expired
- 1974-06-26 NL NL7408574A patent/NL7408574A/xx active Search and Examination
- 1974-06-28 ES ES427801A patent/ES427801A1/es not_active Expired
- 1974-06-28 CH CH896674A patent/CH588058A5/xx not_active IP Right Cessation
- 1974-06-28 IT IT2458674A patent/IT1015522B/it active
- 1974-06-28 DE DE19742431211 patent/DE2431211A1/de not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1009241C2 (nl) * | 1998-05-20 | 1999-11-24 | Omega Laser Systems B V | Werkwijze voor het vervaardigen van een warmtewisselaar, alsmede met die werkwijze verkregen warmtewisselaar. |
Also Published As
Publication number | Publication date |
---|---|
GB1480833A (en) | 1977-07-27 |
CH588058A5 (it) | 1977-05-31 |
IT1015522B (it) | 1977-05-20 |
ES427801A1 (es) | 1976-08-01 |
DE2431211A1 (de) | 1975-01-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BN | A decision not to publish the application has become irrevocable |