Thread Number: 76865  /  Tag: Classified Ad Finds
Artkraft/Universal Fridge - $250 (Shokan, NY)
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Post# 1007237   9/14/2018 at 21:28 (2,022 days old) by ken (NYS)        

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This is an old fridge that came with a garage I recently purchased. The fridge runs well but I don't know anything about the age or manufacturer as the internet seems to pull up almost nothing about the fridge. As a side note, I think the door of the fridge was painted with a brush at some point, although they did a good job of matching the color. The garage was originally an auto body shop...which would explain their good color matching capability!
Approximate dimensions are: 30" wide x 23" deep x 60" tall.
Please note: Due to high amounts of spam on CL, all messages must include a phone number.
Thanks!


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Post# 1007239 , Reply# 1   9/14/2018 at 21:44 (2,022 days old) by norgeway (mocksville n c )        
2,75 amp!!

Let the energy police tell us that one will use a ton of power!!!LOL


Post# 1007256 , Reply# 2   9/15/2018 at 01:17 (2,022 days old) by RP2813 (Sannazay)        

rp2813's profile picture

There was a fridge of similar vintage that popped up here not long ago.  It had the same French doors on the freezer section.  It may have been a Kelvinator, and to me the handle on yours looks like Kelvinator too.  Maybe Lima, OH provides a hint?

 

 


Post# 1007355 , Reply# 3   9/15/2018 at 21:56 (2,021 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
Very Neat refrigerator

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However 2.75 Amps is actually a lot of power, the biggest ref you can buy today [ even a 48" Sub-Zero ] doesn't use that much power.

 

John L.


Post# 1007372 , Reply# 4   9/16/2018 at 02:16 (2,021 days old) by norgeway (mocksville n c )        
they use a lot more when

Defrosting and then running for ever to cool back down after defrosting, im on the hunt for a good manual defrost fridge...I despise anything self defrosting



Post# 1007395 , Reply# 5   9/16/2018 at 08:48 (2,021 days old) by turbokinetic (Northport, Alabama USA)        
Nice, uncommon old fridge!

I love the "oddball" antiques like this. Very neat piece of history. Unfortunately it is too far from me!

 

As for the power use, they don't give an actual power requirement on the nameplate.  There is some fairly deep science involved with alternating current motor "power" consumption.  You can't just multiply amps times volts like you can for a heater or a DC load.

 

The power company charges you for the "watts" used by the appliance. This measurement roughly relates to how much fuel the power plant needs to burn, on the other end of the line, to power your appliance. They calculate this and bill you for accumulated "watt-hours" of energy used.

The motor's amps rating is important, to know the health of the motor; however when dealing with alternating current, it doesn't actually provide enough information to know how many watts of power the motor uses.

 

The motor's horsepower rating does tell you a good estimate of the wattage. The motor is rated 1/8 HP. One HP equals 746 watts. So, doing the math, the motor delivers about 94 watts to the compressor. Motors like this are in the lower ranges of efficiency, possibly as low as 70%. We can divide the 94 watts by .7 and come  up with 133 watts. So, the motor would use an estimated 133 watts.

 

The current draw of the motor is not perfectly in phase with the AC voltage waveform. This is due to the magnetic field requirements of the motor. This out-of-phase current is not converted to power, and is recycled in the system as "reactive" power. Therefore it is not how electric service is billed.

 

To know the actual power use, you would need to connect a watt meter (such as a Kill-A-Watt device) to the fridge while it's running. For instance, my 1/8 HP Frigidaire fridges use about 110 watts, and my 1/8 HP GE Monitor Top DR uses about 130 watts, both of them are rated 1/8 HP.

As for how modern fridges draw such low amps, they use a motor which is equipped with a capacitor. The capacitor provides the reactive power, thereby shifting the current waveform and the voltage waveform together in unity.

Hope this is interesting and educational and doesn't ruffle any feathers LOL! :)

 

Here is a video where I demonstrate the capacitor effect. Skip to 25:30 if the video starts at the beginning and you're not wanting to watch the entire thing. You can select the "Click here to go to LINK" at the bottom of the post and it should take you to the part where the capacitor is used.

 




?t=1552

 



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Post# 1007398 , Reply# 6   9/16/2018 at 09:14 (2,020 days old) by Supersuds (Knoxville, Tenn.)        

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That’s a very helpful explanation!

Post# 1007404 , Reply# 7   9/16/2018 at 09:57 (2,020 days old) by norgeway (mocksville n c )        
interesting

How and why is always interesting


Post# 1007416 , Reply# 8   9/16/2018 at 10:58 (2,020 days old) by turbokinetic (Northport, Alabama USA)        
... glad it was interesting!

Supersuds, and Norgeway - thanks and I'm happy you found it interesting.

 

As a generator commissioning engineer, I get to see these effects at play when we test generators. It's pretty interesting to see it in action.


Post# 1007426 , Reply# 9   9/16/2018 at 12:04 (2,020 days old) by RP2813 (Sannazay)        

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Thanks David!  As always, an excellent informative post!

 

Now that I've looked at the handle on the subject fridge again, I'm wondering if it might be a Gibson re-badge.


Post# 1007442 , Reply# 10   9/16/2018 at 14:38 (2,020 days old) by Supersuds (Knoxville, Tenn.)        

supersuds's profile picture
Artkraft made a unique window air conditioner so perhaps they made fridges too.

CLICK HERE TO GO TO Supersuds's LINK


Post# 1007444 , Reply# 11   9/16/2018 at 14:42 (2,020 days old) by turbokinetic (Northport, Alabama USA)        

That Artkraft room air conditioner is really interesting, with the divided cabinet setup.


Post# 1007456 , Reply# 12   9/16/2018 at 15:57 (2,020 days old) by cuffs054 (MONTICELLO, GA)        

Lots of interesting stuff in this thread!



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