The electric kettle - smarter than you think -

An intuitive explanation of how the electric kettle disconnects when the water is boiling for youngster of 7 -170 years of age.

[@chericha]

Thank you Professor, the everyday engineering is an absolute beauty for the mind!

[@oficinarr]

Ohhhh that's why it doesn't turn off when the lid is open. I always wondered. Very clever. Thanks !!

[@sambenyaakov]

👍

[@ulyssestyson6693]

Ah shame I’m 171 years old, I can’t watch this

[@sambenyaakov]

Special permission granted🙂

[@raze6353]

thank you, i now understand BI-metal switches and the internal of my kettle... i also understand why my kettle clicks for a second time a few seconds after boiling, (its the bi-metal switch returning back to its ready position) to boil another round of water :D

[@raze6353]

ps... 170 years old? not everyone drinks unicorn blood to stay young like voldermort :D ha ha ha

[@sambenyaakov]

👍

[@adeyemibabatunde1814]

@Sam Ben-Yaakov There is another switch that is closed when the cover is in place. When the kettle is not covered it won't work. It is used in several equipment: when the blender jug is not fully screwed in, it won't operate. This is another safety measure. Another safety measure is the failure of the kettle to restart after electricity goes off. The operator has to restart the kettle when electricity is restored( zero volt drop-out)

[@sambenyaakov]

H. Thaks for comment. Makes sense. But...I have never seen one that has this extra feature and believe me, I have owned many electrical kettles😊

[@johnwinter8746]

Informative video, thanks!

[@sambenyaakov]

Just seen your comment. Thanks.

[@AndruXa]

great explanation

[@sambenyaakov]

Thanks

[@Edyledyl]

Excellent attention to detail!

[@sambenyaakov]

Thanks!

[@lucia6081]

Thank you for this explanation!

[@sambenyaakov]

👍

[@TheExpatChef]

Thank you for explaining this!

[@sambenyaakov]

👍😊

[@ankitrajbhar]

Very well explained by you sir .

[@sambenyaakov]

Thanks

[@cndbrn7975]

Thanks for the demo.

[@sambenyaakov]

👍

[@mthiyagaraja8770]

I have learned how it workes .you explained v. well. Thank you so much sir

[@sambenyaakov]

Thanks

[@timtim4603]

Thanks great simple explanation I thought their was not a tube as my kettle element is sealed but your correct!

[@sambenyaakov]

Sometime the tube is embedded in the handle

[@kookscorner]

Thank you for your video !

[@sambenyaakov]

Thanks

[@robson6285]

Ha, i did not know this before this video. I mean that it is indeed a thing that cán be done with a simple bimetal thermostatic switch but not at the watertemperature itself but only when it is used in the flow of the steam when that comes enough from the water when it is boiling. Thats the thing that makes such youtubevideo's worth watching, and indeed from young till old: there is always something new to learn, something you simply never thought deep enough for to get it really

[@sambenyaakov]

👍

[@carlbaroud7880]

very useful info !

[@sambenyaakov]

Thanks

[@LearnSpecialEnglish]

Thank you.

[@sambenyaakov]

Thanks

[@aqshay]

Thank you sooo much !

[@sambenyaakov]

😊

[@danielmorris6523]

Really interesting, thank you. I don't think I've bought a kettle in years. I bought a cheap one from Argos here in the UK about 10 years ago for £8 and when it inevitably breaks after less than a year I take it back for a new one. Probably should buy a better one ahaha.

[@sambenyaakov]

Very cool!

[@sroberts605]

@@sambenyaakov Not cool - that means all that plastic etc in landfill once a year. I mean, you may be all about feeding capitalism, but I would like to find a kettle like they were quite a long time ago when they were 1. easily fixable and 2. typically lasted ten years if not twenty. That's not something advertised anywhere these days!

[@deacaluza5188]

When you say 'Automatic Off' it means it cannot affect the main circuit ? Even though you forgot it to take it off ?

[@bangtwister]

Thanks 😀

[@sambenyaakov]

Thanks

[@tadassatafarra7484]

Cooolllll Great explenation!!

[@sambenyaakov]

Thanks

[@SianaGearz]

There are two more smart systems in your specific kettle, is it right? One the assistant helps press down with a screwdriver, a little pip that will instantly release the power switch when not held down, to disable it once it's off the base. And the second to avoid overheating the base if there happens to be no water. I wonder how these are integrated with the steam pressure activated switch. Furthermore I was wondering, when you turn on the kettle, it seems like a gentle switch. But the kettle might be running at a current of 15A, and switching large currents without sparking and switch degradation is no joke, so how do they solve that?

[@sambenyaakov]

Indeed. There is more to the kettle than meets the eye

[@user-ls2sp1mv2g]

Thanks it was great

[@sambenyaakov]

😊

[@hefnijaber7088]

Dear Sam kindly I ask you steam pass through tube inside kettle to bi metallic to switch of kettle what system used for to prevent steam going out to kettle base thanks

[@sambenyaakov]

Steam does go out of base for a very short time until the bimetal kicks

[@mohammedhakumi5959]

Thanks a lot Sam Ben-Yaakov for this video , but can u please help me to fix a thermal switch which refuses to be latched on when I switch it "On" ..... the kettle is boiling water ok but only I have to keep pressing the switch "On" by my finger, so how can I fix it please ? (The switch is the same shape of the one in this video of yours.

[@sambenyaakov]

Replace the the bi-metal or latching mechanism which might be faulty.

[@mohammedhakumi5959]

Sam Ben-Yaakov thank u for reply, I recognized the bi-meta ,but which parts are the latching mechanism please?

[@sambenyaakov]

There is a lever that latches when pushed. Perish it worn down.

[@termivan]

do you maybe know at what temperature in general do the steam activated bimetals activate, i would guess somwhere betwean 60-90degres celzius.

[@sambenyaakov]

My guess is that this would be the range

[@dds5450]

Finaly i got my answer 😇

[@sambenyaakov]

😊

[@TheStig4032]

Thanks for the video, but I have a doubt: Doesn't the bimetallic switch have a fixed temperature above which it turns off? Then how does it not face the altitude problem? Say I have a bimetallic switch that turns off at 100 degrees. This would work at sea level where the temperature of steam at boiling point is 100 degrees, but at higher altitudes, the bimetallic switch would never turn off as the steam never reaches 100 degrees. I would appreciate if you could clarify my confusion.

[@sambenyaakov]

Please watch again. The bi metallic switch is affected by the VAPOR which is emanated while boiling.

[@Sourdoughgirl]

Interesting presentation. We have a cordless kettle with multiple temperature settings. How does this bi-metal concept apply to such setup?

[@sambenyaakov]

One way to do that is to move the rest point of the bimetal so it will trip at a higher or lower temp.

[@Sourdoughgirl]

@@sambenyaakov I just opened mine, there were two bimetals that I could see. Selected temperatures seemed to be controlled by designated wires connected to a small circuit board.

[@kelvinmakungu370]

My kettle shuts down before the water begins boiling sometimes even way before. Let me see what I can do with this knowledge

[@sambenyaakov]

I guess it is too sensitive, Shuts fro fumes.

[@muhsinmomi6640]

The wire of my kettle is damged.Can i use another wire only have phase and neutral

[@sambenyaakov]

Can be replaced better by a licensed electrician.

[@qualiamaxwell6305]

how does electric kettle know when their water or not ?...coz there some kettles if no water is present they do not power on at all

[@sambenyaakov]

Well, I didn't know that there are kettles like that. The ones I am familiar with will start but there is another bimetal that will detect the high temperature and will shut it down. If you send me such a kettle I will check this safety feature (-:

[@qualiamaxwell6305]

ok i will send you the name of the kettle

[@jibreelfalowo3118]

Thanks for the vid, my kettle only turn on briefly when press the switch with all my strength, and that a blink, otherwise it not working

[@sambenyaakov]

I guess it needs repair😊

[@jibreelfalowo3118]

@@sambenyaakov what kind do you suggest, is it something I can do myself

[@alexanderdickie1982]

Nice explanation... Horrible artwork though! 😉

[@sambenyaakov]

Indeed

[@mcfmtl4894]

I liked the artwork :-)