I recall that NASA patent. So, what are the losses in a lightly loaded
motor, and what do you do outside of the motor to reduce them?

Harold


> This goes back to a NASA patent from the '70's.  Nothing new.  I suspect
> his 'patent pending' depends upon some minor new quirk or its simply an
> 'application' and won't get any further.  It's been on the market in
> many different forms, by many manufacturers.  It does work, but savings
> depends highly upon the application.  Best for a long-running lightly
> loaded motor - in many cases it doesn't provide any ROI, in fact no
> savings if the motor is sized properly in the first place.  I've seen it
> for less.  I believe the same technology is already built into many
> high-end appliances.
>
> Here's the same thing:
> http://www.powerefficiencycorp.com/
> http://smservice.com/pwrcomm.htm
> http://mlmvs.trustpass.alibaba.com/product/11458622/Nesly_Power_Saver.ht
> ml
>
> Usually more than just power factor compensating capacitors.
>
> Gary Crowell
>
>
>
>> -----Original Message-----
>> From: piclist-bounces@mit.edu
>> [mailto:piclist-bounces@mit.edu] On Behalf Of Martin Klingensmith
>> Sent: Saturday, December 16, 2006 7:43 PM
>> To: Microcontroller discussion list - Public.
>> Subject: Re: [OT] Stockton Engineer Creates Energy Saving Device
>>
>> How much more vague could it be? It sounds like a free energy
>> device. I
>> don't know what it does. Nobody knows what it does. Are we
>> just supposed
>> to say "oh, cool"
>> I can't find any patents with his name either. Who knows.
>> --
>> Martin K
>>
>> Jinx wrote:
>> >> http://cbs13.com/local/local_story_347191740.html
>> >>
>> >
>> > "Chuck Larue may be the man who drastically cuts your
>> electricity bill"
>> >
>> > Realising that the device seems to be just for motors, I suspected
>> > that the press had gone all hyperbolic again - "drastically" - but
>> > then thought about his customer base
>> >
>> > Do homes in the "US And A" ** have many motors, such as AC,
>> > fans, etc ? I'm pretty sure the only motor in most NZ homes, being
>> > a temperate climate, is in the refrigerator
>> >
>> > Just a quibble - the article says that a 1/3 HP motor was using
>> > 180W. As a HP is (ideally) 746W that would make it a 1/4 HP
>> > and with heat losses you'd expect input W to be higher. Not
>> > picking on anyone, may not have been reported accurately
>> >
>> > ** Thank you Borat
>> >
>> >
>>
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