Thread Number: 31566
Patent of the Day
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Post# 476250   11/19/2010 at 07:20 (4,878 days old) by DADoES (TX, U.S. of A.)        

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Whirlpool automatic water level sensing ... 1960 style!





Post# 476261 , Reply# 1   11/19/2010 at 08:41 (4,877 days old) by cornutt (Huntsville, AL USA)        

Were there production models that actually used this? I can't help but wonder how well it actually worked with 1960s technology. Interestingly, the GE Harmony uses a related idea -- it measures the resistance to torque applied to the impellor.

Post# 476269 , Reply# 2   11/19/2010 at 09:40 (4,877 days old) by Jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers)        
Where was that mounted?

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I don't see it in the patent diagrams, anybody ever see this installed in a WhirlKen????

Post# 476326 , Reply# 3   11/19/2010 at 15:39 (4,877 days old) by roto204 (Tucson, AZ)        
Hotpoint's dishwashers had something like this

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The Hotpoint impeller dishwasher we found with the hidden timer and push-to-start button had a mechanism next to the timer that measured the current draw on the motor via water resistance against the impeller to determine when the machine was full enough to shut off the water.

In fact, it stymied us from ever getting the dishwasher going after the motor burned out--we couldn't find another GE motor with the correct amp rating, and if it was too low, it flooded--and too high of an amp rating caused the machine to never fill!


Post# 476334 , Reply# 4   11/19/2010 at 16:29 (4,877 days old) by Frigilux (The Minnesota Prairie)        

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The 1961 Lady Kenmore had an automatic water level feature. Could this be it?

Post# 476364 , Reply# 5   11/19/2010 at 20:11 (4,877 days old) by appnut (TX)        
The 1961 Lady Kenmore had an automatic water level feature.

appnut's profile picture
Eugene, I was thinking the exact same thing.


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