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Conventional alternative energy systems => energy and fuel saver => Topic started by: SkyWatcher123 on October 25, 2018, 08:38:18 PM

Title: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on October 25, 2018, 08:38:18 PM
Hi all, I had built a heater previously and then stumbled onto this patent.
https://patents.google.com/patent/FR2504768A2/en?oq=FR2504768A2 (https://patents.google.com/patent/FR2504768A2/en?oq=FR2504768A2)
My previous heater was using forced air from the bottom and then had plates inside to snake the air flow path around the bulbs.
It is now modified as a convection heater, with a bottom port and a large opening at the top, using 4 - 100 watt incandescent bulbs from the dollar tree.2 sets in series and then placed in parallel, to achieve the half voltage, under driven as shown in patent.
Also, the bulbs are wrapped in aluminum foil.The patent claims the heater is able to use 4 times less power for the same result as a typical space heater.
So far, the bulbs seem to be holding up fine, as long as enough convective air flow is allowed for, since I'm not using fans in my design.
Each 100 watt bulb in each series pair is using around 31 watts, though the patent suggests using a much larger number of lower wattage bulbs, probably for longevity or their is an added efficiency benefit also.
So at the moment, the heater is using around 125 watts input and the temperature at the top opening is 105 degrees F.
It is raising the temperature in this 250 sq,ft. room by 2 degrees F., (with outiside temp of 35 F.), which has much loss, 3 skylights, 1 door with large window and 2 windows.
Seems like the claims may be close to the truth.
I plan to expand the heater to at least 375 watts, using 3 separated compartments.
Your thoughts and comments are appreciated.
peace love light
(https://i.postimg.cc/c69CT471/french-heater-patent-a.jpg) (https://postimg.cc/c69CT471)
(https://i.postimg.cc/FYcK9yM1/french-heater-patent-b.jpg) (https://postimg.cc/FYcK9yM1)
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: memoryman on October 25, 2018, 10:51:39 PM
It's nonsense.
Resistance heaters are 99.9% efficient. At half voltage, incandescent lightbulbs are just heaters.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: antijon on October 26, 2018, 03:09:32 AM
Memoryman, true all electric heaters are nearly 100%, but the efficiency of transferring heat to air will vary by heater. I’m wondering if the greater surface area of dozens of bulbs may be more efficient than a coiled heater wire, maybe because air has such a low thermal conductivity.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on October 26, 2018, 05:41:16 AM
Hi antijon, that's exactly what I was thinking, the patent uses 75 - 15 watt bulbs at half voltage.
Thermal transfer is probably the key here.
The only thing is, I'm not sure what physical size bulbs he was using, though it says they are globe type.

Will look into it further if i can, if not, i will just keep experimenting with this idea.
Also, the wrapping of the bulbs in aluminum foil boosts the temperature of each bulb, beyond the normal temp. they would generate, maybe that helps heat per watt as well.Also, that aluminum foil will create a better thermal transfer to air as well I would think.

As i researched on my previous heater project, I found that typical steam radiators, without the proper physical size of radiator, it will not even heat a closet properly.
So thermal transfer is a huge consideration, maybe one that is being overlooked and this patent is pointing it out to us.
peace love light
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on October 26, 2018, 11:50:12 AM
Hello skywatcher,using IR-waves emitting heatwaves bulbs I would recommend the ceramic bulbs used for chicken or snakes grow.About the french 75x times bulb array  publication I would say: internal resistance.Probably for a search trial about VoltAmpere in and heat in kcal/KJoule out :Dragan Kovac - WO200410034911 series connection of single resistors -- connection like a dimmer ?
......
Look for this publicated "utility model US201301125" presented by Charles Edmund Souders.Here the question: how many sqfts has in average an american household(insulation condition) and climate zone,cause he describes an "only 600 Watts" need for the total space !With his address in the original document and white pages online phone number search he probably will give the correct information.
Sincerely           
              OCWL
p.s.: Pavel Imris "Optical Electrostatic Generator" of series connection elements using as heater ?Like : WO9628954 Heat Generation Device
Incandescant bulbs, fluorescant lamps, graphite felt elements : there is no restriction to use these not as heater
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on October 27, 2018, 03:25:34 AM
Hi all, I made some experiments to determine the best course of action.
So decided to test a 25 count, C9 string of incandescent christmas lights.
I cut the parallel string in half, using 12 bulbs per half and placed each parallel half in series.
So 12 parallel - 7 watt bulbs see 55 volts and the other half see 55 volts also.
Total power input, shown on killwatt meter, is 56 watts or 2.33 watts per bulb.
A sinlge bulb wrapped in aluminum foil, when powered at 7 watts per bulb, starts to smoke, so that obviously will not work, which is why the patent suggests under driving the bulbs.
So at the lower wattage input, I wrapped a single bulb with aluminum foil, then using a thermometer, placed the thermometer in same position at external surface for foil wrapped and non foil wrapped.
The non foil wrapped measured 100 degrees F.
The foil wrapped measured 130-135 degrees F. varying by the position of bulb, horizontal or vertical.
This experiment seems to confirm some of the patent claims and the added surface area of the bulbs, probably enhance thermal transfer to air, as antijon mentioned.
So the plan is, to use the C9 christmas string bulbs as a true test replication device and it is the cheapest way I can think of as well.

I will probably use 6 strings for the test device or 144 bulbs, which would be 336 watts total.
I will have to design a new container to hold the bulbs, though it will probably use convection also.
Your thoughts or questions are welcome.
peace love light :)

Edit: Just made a test with 4 - 100 watt incandescent bulbs in series, each bulb uses 11.25 watts.
I tested with the thermometer a single bulb in the series string.
Without aluminum foil = 135 F. surface temperature
With kitchen aluminum foil wrapped bulb = 160 F. surface temp.
With slightly thicker aluminum tape = 195 F. surface temp.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on October 27, 2018, 02:34:49 PM
Hi all, i decided to use regular edison type 100 watt bulbs instead, 30 of them.
After seeing the surfarce temp. of one of them with the foil tape and the increased surface area of the larger, should perform better.
peace love light
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: forest on October 27, 2018, 02:44:15 PM
I solved it many years ago - what is missing is the resonant circuit and electronic circuit to keep filament at exactly the same temperature (using coolers and so on). I believe the limit would be COP=10.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: AlienGrey on October 27, 2018, 03:11:48 PM
Hi all, I had built a heater previously and then stumbled onto this patent.
https://patents.google.com/patent/FR2504768A2/en?oq=FR2504768A2 (https://patents.google.com/patent/FR2504768A2/en?oq=FR2504768A2)
My previous heater was using forced air from the bottom and then had plates inside to snake the air flow path around the bulbs.
It is now modified as a convection heater, with a bottom port and a large opening at the top, using 4 - 100 watt incandescent bulbs from the dollar tree.2 sets in series and then placed in parallel, to achieve the half voltage, under driven as shown in patent.
Also, the bulbs are wrapped in aluminum foil.The patent claims the heater is able to use 4 times less power for the same result as a typical space heater.
So far, the bulbs seem to be holding up fine, as long as enough convective air flow is allowed for, since I'm not using fans in my design.
Each 100 watt bulb in each series pair is using around 31 watts, though the patent suggests using a much larger number of lower wattage bulbs, probably for longevity or their is an added efficiency benefit also.
So at the moment, the heater is using around 125 watts input and the temperature at the top opening is 105 degrees F.
It is raising the temperature in this 250 sq,ft. room by 2 degrees F., (with outiside temp of 35 F.), which has much loss, 3 skylights, 1 door with large window and 2 windows.
Seems like the claims may be close to the truth.
I plan to expand the heater to at least 375 watts, using 3 separated compartments.
Your thoughts and comments are appreciated.
peace love light
(https://i.postimg.cc/c69CT471/french-heater-patent-a.jpg) (https://postimg.cc/c69CT471)
(https://i.postimg.cc/FYcK9yM1/french-heater-patent-b.jpg) (https://postimg.cc/FYcK9yM1)
Nice set of adverts for big boobs and hair restorer FAKE ;) PS i wonder if you mixed them up  8) ::) ;D ;D
Both pointers take me here Russian women adds  https://postimg.cc/FYcK9yM1
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on October 27, 2018, 08:16:21 PM
Hi all, hi forest, thanks for the reply, would you like to share any information on that.
Hi aliengrey, not sure what you are seeing and where, as I do not see any of that.
Here is one of the bulbs with the tight wrapped aluminum tape.
peace love light
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on October 27, 2018, 08:48:46 PM
Skywalker,  when you enter the Google  Lydie Gricourt patent site you will see several references, also another french patent FR2620519, from this you should expect for a bad insulated,  windy,  room with 250 sqft area andestimating 2,4 mtr. wall high 1500 Watt thermal energy need.Google search : Mark Harris, Voltage syntheziser, each 110 Volt string to transformer--------------All your experiments and measure results are not a lost : it is theory/practise experienceYou wrote about 35°F~ 1,7°C, here GB2203529 an ambient dehumidifier( enthalpy energy gains) and space heater
from 0° C to 15°C space warming (against condensation temperature, which bad for textile and rheumatism)like a "candle heater".
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: forest on October 27, 2018, 10:00:16 PM
It's very simple - when you keep resistive heating wire at constant temperature it has also stable resistance - depending on material. Then in resonant tank circuit and with some electronics you can keep the current circulated with a little input. Pure resonance. Of course it's all theoretic because I didn't made a working prototype. But I don't see why it would not work - the main problem with heaters or lights is their filament resistance is variable - if you find a way to make it static you can limit input current.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: gyulasun on October 27, 2018, 10:47:58 PM
It's very simple - when you keep resistive heating wire at constant temperature it has also stable resistance - depending on material. Then in resonant tank circuit and with some electronics you can keep the current circulated with a little input. Pure resonance. Of course it's all theoretic because I didn't made a working prototype. But I don't see why it would not work - the main problem with heaters or lights is their filament resistance is variable - if you find a way to make it static you can limit input current.
A solution to your problem I highlighted above is to use a zero or near zero temperature coefficient resistive wire for the heater. See this link as one solution:  https://en.wikipedia.org/wiki/Manganin (https://en.wikipedia.org/wiki/Manganin) 
Probably the resistive wire used in hair driers, bread toasters etc also has a low temp coefficient (I do not know for sure), you can check it by measuring the DC resistance just after the moments you unplugged them from the mains (after 1-2 minute run time).

 For an interesting patent application on induction heater for residential buildings, see German application DE202014001838 (https://patents.google.com/patent/DE202014001838U1/en) I mentioned it here a few minutes ago:  https://overunity.com/17861/bifilar-pancake-coil-overunity-experiment/msg526586/#msg526586     

Gyula
 
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: forest on October 29, 2018, 12:16:39 PM
Gyula
Exactly. I would prefer https://en.wikipedia.org/wiki/Constantan but in fact any resistive wire has some range of parameters where its resistance can be keep stable.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on November 01, 2018, 03:40:10 AM
Hi all, Been working on designing and building a heater based on this french patent.
It will use 32 - 100 watt incandescent bulbs.
8 bulbs in parallel on each branch and 4 of these parallel branches in series, using 120 volts ac.
It will have an enclosure and a small fan for forced air convection.
Comments welcome.
peace love light

https://ibb.co/h4Weq0
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: memoryman on November 01, 2018, 05:08:44 PM
This is absolute nonsense. The heat transfer rate to air has nothing to do with the overall efficiency.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on November 01, 2018, 10:35:56 PM
Hi memoryman, thanks for the reply.
That is not the main principle of the invention, though is an aspect of it.
I suggest reading the english patent  translation that is available in the link I posted, it contains more information than just heat transfer.peace love light :)
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: memoryman on November 02, 2018, 05:26:53 PM
It's NOT an invention. Patents mean nothing. It's a misinterpretation of a regular phenomenon.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: F6FLT on November 04, 2018, 01:07:38 PM
Quote from: memoryman
This is absolute nonsense. The heat transfer rate to air has nothing to do with the overall efficiency.
...
It's NOT an invention. Patents mean nothing. It's a misinterpretation of a regular phenomenon.

I agree with that. Any electrical heater has an efficiency of 100%, including a bulb that is prevented from spreading light due to a housing.
The issue of electric heaters for a home is more about how the heat will be distributed (for example large surfaces at lower temperature give a better feeling than very hot point sources).
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on November 04, 2018, 04:07:38 PM
Hi all, thanks for the replies, even though they are not the most encouraging.

The cost has not been too great, so I figured I would test it out, either way, it will be a useful heater, we shall see how effective it is.

Just need to complete the wiring and cover the rest of the 100 watt bulbs.
https://ibb.co/e4whk0

peace love light ;)
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on November 06, 2018, 01:54:03 PM
https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=19890414&CC=FR&NR=2621772A1&KC=A1# (https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=19890414&CC=FR&NR=2621772A1&KC=A1#)".... supplies at a voltage lower than its normal (~ nominal ) voltage.... "
https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19840518&DB=EPODOC&locale=en_EP&CC=FR&NR=2536236A1&KC=A1&ND=4# (https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19840518&DB=EPODOC&locale=en_EP&CC=FR&NR=2536236A1&KC=A1&ND=4#)
".... 4 fois plus de volumen traite'.."

------------------------------------------------------Reading the hunderts of different heating methods patents/-applications we will have to find for ourself an own measure leveling, cause there is not a real comparison standart.Example : Gricourt 1500 W ~ 75x5W in ~ Leo Peron 1500 W~ 375 W in ~ Frank Sibert 3000 W ~ 660 W in orWilliam Kling 11000 BTU=3100W ~ 610 W in
We have to calculate, in virtual manner the building r-value and the local climate zone and standerizise the patents/ utility models given examples:Richard Cooper infrared heatpanel, example Florida, 280 W electric for 14 sqm floor space with some interior walls heated~ the upper bulb heater ( Gricourt, Peron,...)electric power consume +/- 400 Wh/ 20 sqm.
Gerhard Beier heater : 80 W (controler regulated) infrared graphite panel for 20sqm floor, normal insulated house from the seventhies. - Charles Souders: 600 W(6x100 W bulbs) for the total US-location house, sqft ? Location ?

Between wet and dry air there is the potential from enthalpie gains,dehumidifier effect.And there is probably also a thermo- dynamic heat content and power need difference between 5°C-20°C and
0°C-20°C, as written in the FUJITSU heat pump webpage explication: 5 degrees difference but 100% more power need to heat to the same 20°C warm sphere.
Physics, physiolgy and psychology are here important, beginning with standing/moving  and wet/dry air related to open/enclosed human joung/old body ! Sense

To show the written difference given per sqm heat floor :Lefevre (Gricourt citing documents) 60 W electric power per sqm Beier                                                          4 W electric power per sqm                 
https://worldwide.espacenet.com/publicationDetails/description?CC=DE&NR=202008007815U1&KC=U1&FT=D&ND=3&date=20080925&DB=EPODOC&locale=en_EP# (https://worldwide.espacenet.com/publicationDetails/description?CC=DE&NR=202008007815U1&KC=U1&FT=D&ND=3&date=20080925&DB=EPODOC&locale=en_EP#)
Another question - comfort - related :for a f.e. 20sqm room is it better/worser to use a 1500 W or a 375W heater when outside there is 0°C and I wish to get the room - fast- 21°C warm ! THERMOSTATE,on/off heat regulation or automatic 500W/1000W/1500W
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on November 08, 2018, 05:22:05 PM
Hi all, have been testing the heater.
Last night it was 32 F. outside and the room temperature was 71 F.
The space heater was able to raise the temperature to 74 F.

The heater draws around 300 watts.
I measured the room size, it is 300 square feet in area and again, this room has high thermal losses.
It has 3 large skylights, 3 larger windows, 3 smaller windows, window air conditioner in place still, 1 lossy door with large glass panel and a vaulted celing.
So to me, this heater seems quite effective and efficient.
Positive, Helpful questions or comments preferred.
peace love light
Here's a picture of the 32 - 100 watt bulb panel.https://ibb.co/bW35DV

Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: iflewmyown on November 08, 2018, 11:47:23 PM
Congratulations, you are doing real experiments. I hope you have time to alternate 24 hours with your new heater and 24 hours with an old fashioned type.
Garry
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: SkyWatcher123 on November 09, 2018, 04:23:18 AM
Hi iflewmyown, thanks for the positive reply.
I don't have an old fashioned heater or store bought heater that uses only 300 watts, I have one that goes down to 600 watts, oil filled type.

What would you suggest i use to compare results with this french heater device.
peace love light :)
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: iflewmyown on November 09, 2018, 02:47:39 PM
I think that I would use any power line heater that has a thermostat. I would attach a clock that is run by the power line parallel to the element so that it would record the hours and minutes that the element runs. With a little fiddling you should be able to determine what setting will keep the room the same temp. and then multiply watts times hours. This will give you a crude comparison to start with. Or use 3 100 watt bulbs buried upside down in a bucket of sand to hide the light. Good luck.
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: F6FLT on November 10, 2018, 11:17:37 AM
Hi SkyWatcher123

Nice setup but inconclusive measurement.
May I suggest you immerse the light bulbs in a given quantity of distilled water in a plastic basin. Even if there is some current leakage in the water, it will not account for much due to the high resistivity of distilled water, but be careful about safety.
By measuring the temperature increase over time while stirring water to equalize the temperature, then you can calculate the minimum thermal energy that will be produced, thanks to the known heat capacity of water, and compare it to the electrical energy that will be consumed. A 5 minutes test should be enough.

Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on November 10, 2018, 01:52:12 PM
Hi SkyWatcher123

Nice setup but inconclusive measurement.
May I suggest you immerse the light bulbs in a given quantity of distilled water in a plastic basin. Even if there is some current leakage in the water, it will not account for much due to the high resistivity of distilled water, but be careful about safety.
By measuring the temperature increase over time while stirring water to equalize the temperature, then you can calculate the minimum thermal energy that will be produced, thanks to the known heat capacity of water, and compare it to the electrical energy that will be consumed. A 5 minutes test should be enough.
J'accuse: by such a kind of measurement the experimentor will loose fairly 50% from the thermodynamic infraredemission effect which is based by radiation reflection.( more : Prof. Dr. Dipl- Ing. Claus Meier and Prof. Dr Dipl.-.Ing. Klaus Matschiner ).
In the U.S. and Canada there were several experiments whith comparison from light bulbs and heatpads which have shown 2/3 energy savings ( more with controler) for the heat pads.(lower surface temperature and greater radiation area )
It is also the kind of radiation( near or far infrared) which let us consumer feel well or freezing.The negative for the light bulbs, now envelopped will be that the 750 hours function validity will get shorten.The bulb and filament itself will heat up cause the transparency for the bulb external radiation is neutralized by the aluminium foil.
Sincerely                OCWL

Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: znel on November 10, 2018, 02:30:26 PM
Measure inlet and outlet temperatures - Outlet - Inlet = Temperature difference.
If you have an Anemometer your can measure air speed at the outlet.  ( Amazon anemometer $13.00 )
 (https://www.amazon.com/Qotone-Anemometer-Wind-Speed-Windmeter-Thermometer/dp/B076MDPLP9?SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-ffnt-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B076MDPLP9)Airspeed in mph x 5280 / 60 = feet per min.
Measure outlet dimensions and calculate sq ft.    Square ft outlet x feet per min = Total CFM.
CFM x 1.08 x Temp diff = BTU   3.41 BTU is the equivalent to 1 watt.   
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on November 10, 2018, 02:49:12 PM
Measure inlet and outlet temperatures - Outlet - Inlet = Temperature difference.
If you have an Anemometer your can measure air speed at the outlet.  ( Amazon anemometer $13.00 )
 (https://www.amazon.com/Qotone-Anemometer-Wind-Speed-Windmeter-Thermometer/dp/B076MDPLP9?SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-ffnt-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B076MDPLP9)Airspeed in mph x 5280 / 60 = feet per min.
Measure outlet dimensions and calculate sq ft.    Square ft outlet x feet per min = Total CFM.
CFM x 1.08 x Temp diff = BTU   3.41 BTU is the equivalent to 1 watt.
BTU or British Thermal Unit
https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900213&DB=EPODOC&locale=en_EP&CC=US&NR=4900898A&KC=A&ND=4#
 (https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900213&DB=EPODOC&locale=en_EP&CC=US&NR=4900898A&KC=A&ND=4#11000) 11000 BTU ~ 3225 Watts
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on December 13, 2018, 11:49:52 PM
I agree with that. Any electrical heater has an efficiency of 100%, including a bulb that is prevented from spreading light due to a housing.
The issue of electric heaters for a home is more about how the heat will be distributed (for example large surfaces at lower temperature give a better feeling than very hot point sources).


Related ".. has an efficiency of 100% ...."
out-/input or only output

http://www.canlaser.com/en/Hhm.aspx (http://www.canlaser.com/en/Hhm.aspx).   How did the Uni engineers measured the performance ?

https://translate.google.com/translate?hl=de&sl=uk&tl=en&u=http%3A%2F%2Faverage.com.ua%2F
http://average.com.ua/
 (http://average.com.ua/https://patents.google.com/patent/US6741805B2/en)
https://patents.google.com/patent/US6741805B2/en (https://patents.google.com/patent/US6741805B2/en)    ".....Energy savings of up to about 75% ...."
Title: Re: Electric Heater using Light Bulbs as Heat Source-French Patent
Post by: lancaIV on December 14, 2018, 04:31:35 PM
Using heat bulbs as heat source let me doing the question:
http://jnaudin.free.fr/gegene/indexen.htm (http://jnaudin.free.fr/gegene/indexen.htm)  the GeGene,as power saver useable ?
I am looking for this bulb heater the right energy controle / input power saver
https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=20&ND=3&adjacent=true&locale=en_EP&FT=D&date=20110518&CC=CN&NR=201836980U&KC=U# (https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=20&ND=3&adjacent=true&locale=en_EP&FT=D&date=20110518&CC=CN&NR=201836980U&KC=U#)
Dr. Pavel Imris Generator is for this use practicable but to expensive : 1 KVA output will cost 500 Euros-----------------------
https://patentauction.com/patent.php?nb=11462 (https://patentauction.com/patent.php?nb=11462) their costs are me unknown-----------------------
also his,  Tanaka Saburo conception, costs are me unknown
https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=1&ND=3&adjacent=true&locale=en_EP&FT=D&date=20160929&CC=JP&NR=2016174482A&KC=A# (https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=1&ND=3&adjacent=true&locale=en_EP&FT=D&date=20160929&CC=JP&NR=2016174482A&KC=A#)
When Contour Crafting and ICON are in research and development for low cost housing, fast monolithic construction,each square meter for less than 100 US$ construction costs, can we develop - open source/ fee-free tech -based by their buildings a net/zero energy building for 150 US$/sqm ? Middle class comfort standartICON -project : 60,5 sqm for 4000 US$ ,
https://www.treehugger.com/green-architecture/icon-3d-printed-affordable-homes.html