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Author Topic: Electric Heater using Light Bulbs as Heat Source-French Patent  (Read 2292 times)

Offline SkyWatcher123

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Electric Heater using Light Bulbs as Heat Source-French Patent
« 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
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://i.postimg.cc/FYcK9yM1/french-heater-patent-b.jpg)

Free Energy | searching for free energy and discussing free energy


Offline memoryman

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #1 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.

Offline antijon

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #2 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.

Free Energy | searching for free energy and discussing free energy

Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #2 on: October 26, 2018, 03:09:32 AM »
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Offline SkyWatcher123

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #3 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

Free Energy | searching for free energy and discussing free energy


Offline lancaIV

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #4 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

Free Energy | searching for free energy and discussing free energy

Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #4 on: October 26, 2018, 11:50:12 AM »
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Offline SkyWatcher123

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #5 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.
« Last Edit: October 27, 2018, 06:15:49 AM by SkyWatcher123 »

Offline SkyWatcher123

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #6 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

Free Energy | searching for free energy and discussing free energy

Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #6 on: October 27, 2018, 02:34:49 PM »
Sponsored links:




Offline forest

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #7 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.

Offline AlienGrey

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #8 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
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://i.postimg.cc/FYcK9yM1/french-heater-patent-b.jpg)
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
« Last Edit: October 27, 2018, 09:37:50 PM by AlienGrey »

Free Energy | searching for free energy and discussing free energy

Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #8 on: October 27, 2018, 03:11:48 PM »
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Offline SkyWatcher123

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #9 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

Offline lancaIV

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #10 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".

Free Energy | searching for free energy and discussing free energy

Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #10 on: October 27, 2018, 08:48:46 PM »
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Offline forest

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #11 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.

Offline gyulasun

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #12 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 
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 I mentioned it here a few minutes ago:  https://overunity.com/17861/bifilar-pancake-coil-overunity-experiment/msg526586/#msg526586     

Gyula
 

Offline forest

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #13 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.

Offline SkyWatcher123

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Re: Electric Heater using Light Bulbs as Heat Source-French Patent
« Reply #14 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

 

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