Electric AC Compressor in Dixie

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Old 13 May 2011, 05:53 am   #1 (permalink)
bwilson4web
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Default Electric AC Compressor in Dixie

We had one of those close mornings when the humidity is nearly 100%
but too warm for fog. Driving my wife's 2010 Prius, I closed the vents
and windows and used the air conditioner to take out the damp but I
had to stop at a busy intersection. As I came to a stop, the engine
shutoff yet the AC remained cool because the compressor is not engine
driven.

Unlike engine driven compressors, there are no seals, electric
clutches, or belts. Instead of designing for the wide range of engine
speeds, 800-6,000 rpm, the Prius electric compressor is optimized and
draws on the same technology as refrigerators and home air
conditioners which have become exceptionally efficient. By eliminating
parts and seals, the Prius compressor sets a high bar improving
reliability and efficiency. So the light changed and everyone moved
out yet the Prius engine was not burdened by electric compressor load
as the traction battery provided power.

In contrast, today's gassers and diesels have belts, electric
clutches, and seals for their mechanically driven compressors. This
robs power directly from the engine and limits where the compressor
can be located leading to a cluttered engine compartment. In contrast,
the Prius regenerative braking stored the power that ran the air
conditioner compressor and fan when the car slowed and stopped with
the engine off. But the Prius extends the options back into the house.

I saw a nice room air conditioner at Home Depot, 850W for 7,000 BTU,
well within the range of my 1kW inverter. I still have to test the
unit but it looks to be substantially more efficient than our 5,000
BTU window AC and perfect for Prius power during an outage. So we'll
be cooler and save electric bills this summer.

Compared to gassers and diesels, the Prius air conditioning is
exceptionally efficient and reliable. Unlike gassers and diesels,
Prius integration with the house extends efficiency and saving other
household bills. Once again, the Prius is going where gassers and
diesels can not follow.

Bob Wilson



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Old 13 May 2011, 07:46 am   #2 (permalink)
Elmo P. Shagnasty
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Default Re: Electric AC Compressor in Dixie

In article
<d31f7e4b-4c5f-48ff-b5dc-20ec51b2170b@hd10g2000vbb.googlegroups.com>,
bwilson4web <bwilson4web@gmail.com> wrote:

> Unlike engine driven compressors, there are no seals, electric
> clutches, or belts.


No seals? Really?

Is that like "the Prius is superior because it has a catalytic
converter, which means it doesn't produce carbon monoxide"?
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Old 13 May 2011, 10:04 am   #3 (permalink)
bwilson4web
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Default Re: Electric AC Compressor in Dixie

On May 13, 7:46*am, "Elmo P. Shagnasty" <el...@nastydesigns.com>
wrote:
> In article
> <d31f7e4b-4c5f-48ff-b5dc-20ec51b21...@hd10g2000vbb.googlegroups.com>,
>
> *bwilson4web <bwilson4...@gmail.com> wrote:
> > Unlike engine driven compressors, there are no seals, electric
> > clutches, or belts.

>
> No seals? *Really?


No shafts, no seals, no electric clutches. See Ebay item:
110674772862

Bob Wilson

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Old 13 May 2011, 11:36 am   #4 (permalink)
bwilson4web
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Default Re: Electric AC Compressor in Dixie

On May 13, 7:46*am, "Elmo P. Shagnasty" <el...@nastydesigns.com>
wrote:
> In article
> <d31f7e4b-4c5f-48ff-b5dc-20ec51b21...@hd10g2000vbb.googlegroups.com>,
>
> *bwilson4web <bwilson4...@gmail.com> wrote:
> > Unlike engine driven compressors, there are no seals, electric
> > clutches, or belts.

>
> No seals? *Really?


My wife's Prius compressor looks like this Ebay item: 140444294007

Toyota has been putting in electric AC compressors for both the NHW20,
2004-09, and ZVW30. They are exceptionally efficient and run even when
the engine is off. Again, something the gassers and diesels do not do.

Bob Wilson
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Old 13 May 2011, 01:07 pm   #5 (permalink)
Elmo P. Shagnasty
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Default Re: Electric AC Compressor in Dixie

In article
<05635532-8514-4a45-9978-be92687d83e7@28g2000yqu.googlegroups.com>,
bwilson4web <bwilson4web@gmail.com> wrote:

> > No seals? *Really?

>
> My wife's Prius compressor looks like this Ebay item: 140444294007
>
> Toyota has been putting in electric AC compressors for both the NHW20,
> 2004-09, and ZVW30. They are exceptionally efficient and run even when
> the engine is off. Again, something the gassers and diesels do not do.
>
> Bob Wilson


Hey, look everyone--techno-ignorant Bob strikes again, then again
pointedly ignores the actual questions when he's called out on his
ignorance.

Tell us again how the Prius A/C compressor has no seals. We LOVE a good
sea story.

The more you talk, the more your complete and utter ignorance shows.
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Old 13 May 2011, 02:06 pm   #6 (permalink)
bwilson4web
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Default Re: Electric AC Compressor in Dixie

On May 13, 1:07*pm, "Elmo P. Shagnasty" <el...@nastydesigns.com>
wrote:
> In article
> <05635532-8514-4a45-9978-be92687d8...@28g2000yqu.googlegroups.com>,
>
> *bwilson4web <bwilson4...@gmail.com> wrote:
> > > No seals? *Really?

>
> > My wife's Prius compressor looks like this Ebay item: 140444294007

>
> > Toyota has been putting in electric AC compressors for both the NHW20,
> > 2004-09, and ZVW30. They are exceptionally efficient and run even when
> > the engine is off. Again, something the gassers and diesels do not do.

>
> > Bob Wilson

>
> Hey, look everyone . . .


As is is obvious in the photos, no shaft, no pulley, no electric
clutch, and no seals. The Prius electric compressor is another
superior aspect over what we find in gassers and diesels. Here is
another photo taken at the Detroit Auto Show in January, 2009:

http://hiwaay.net/~bzwilson/prius/pri_2010_450.jpg

The air conditioner compressor is the lower unit and above it is the
electric water pump. The engine has no belt sucking power directly
from the engine.

The electric water pump is also a completely sealed unit so there is
no path for coolant to leak out. Best of all, it uses less power than
a traditional engine water pump. Less energy wasted pumping coolant is
more that is available to drive the Prius.

Now there are after-market, electric water pumps for gassers and
diesels but no one has identified a make and model that comes with an
electric water pump.

Bob Wilson


Bob Wilson
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Old 14 May 2011, 12:57 am   #7 (permalink)
Daniel who wants to know
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Default Re: Electric AC Compressor in Dixie

"Elmo P. Shagnasty" <elmop@nastydesigns.com> wrote in message
news:elmop-1101DD.14070213052011@news.eternal-september.org...
>
> Hey, look everyone--techno-ignorant Bob strikes again, then again
> pointedly ignores the actual questions when he's called out on his
> ignorance.
>
> Tell us again how the Prius A/C compressor has no seals. We LOVE a good
> sea story.
>
> The more you talk, the more your complete and utter ignorance shows.


And the bicker fest just keeps on keeping on I see....

He meant no double lip or other type mechanical shaft seal, I hope, of
course it still has the gaskets and O-rings which are... gasp... seals.


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Old 14 May 2011, 02:48 am   #8 (permalink)
bwilson4web
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Default Re: Electric AC Compressor in Dixie

On May 14, 12:57*am, "Daniel who wants to know" <m...@here.edu> wrote:
.. . .
>
> And the bicker fest just keeps on keeping on I see....


I'm reminded of the old Monty Python "Argument Clinic" skit:

Q: WHAT DO YOU WANT?
M: Well, I was told outside that...
Q: Don't give me that, you snotty-faced heap of parrot droppings!
M: What?
Q: Shut your festering gob, you tit! Your type really makes me puke,
you vacuous, coffee-nosed, maloderous, pervert!!!
M: Look, I CAME HERE FOR AN ARGUMENT, I'm not going to just
stand...!!
Q: OH, oh I'm sorry, but this is abuse.
M: Oh, I see, well, that explains it.
Q: Ah yes, you want room 12A, Just along the corridor.
M: Oh, Thank you very much. Sorry.
Q: Not at all.
M: Thank You.
(Under his breath) Stupid git!!

But 'Elmo' is such a simple tool and so easily manipulated:

1) Technical postings - he responds with off topic nonsense to try and
hijack the thread
2) laughing at him - drives him nuts

> He meant no double lip or other type mechanical shaft seal, I hope, of
> course it still has the gaskets and O-rings which are... gasp... seals.


Obvious you figured out what seals mean and that it has multiple
meanings. I don't mind clarification and happily accept such comments.
But that isn't the game a sociopath like 'Elmo' plays. As soon as he
can, he reverts to personal attack and that is poison to a forum.
Fortunately, there is a workaround.

I received an e-mail from someone interested in how to approach
installation of an inverter in a Prius. I'll add another posting to
that thread with the technical content. But let's add something
technical to this thread.

The Prius radiator combines both the air conditioner condenser with
the radiator. There isn't a separate set of condenser coils. With my
wife's 2010 Prius, they also added the inverter cooler that was
separate in the NHW11 model (01-03.) It is a remarkable accomplishment
considering the temperatures involved.

I'm still amused at the number of gassers and diesels that have
automatic transmission coolant lines that go to the radiator. They
generate so much waste heat that they have to use the radiator to dump
the load.

Bob Wilson
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Old 14 May 2011, 10:06 am   #9 (permalink)
Elmo P. Shagnasty
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Default Re: Electric AC Compressor in Dixie

In article <iql5k7$7lp$1@dont-email.me>,
"Daniel who wants to know" <me@here.edu> wrote:

> > Tell us again how the Prius A/C compressor has no seals. We LOVE a good
> > sea story.
> >
> > The more you talk, the more your complete and utter ignorance shows.

>
> And the bicker fest just keeps on keeping on I see....
>
> He meant no double lip or other type mechanical shaft seal, I hope, of
> course it still has the gaskets and O-rings which are... gasp... seals.


Wait a minute--are you saying that Bob would TWIST THE FACTS and say
things that aren't true, to try to make people think the world isn't
what the world actually is?

Within one week's time, we hear Bob tell us:

* "the Prius is superior because it has a catalytic converter, which
means it doesn't produce carbon monoxide"

* "the Prius is superior because its air conditioning compressor has no
seals"

One has to imagine this is how Bob goes through his life, spouting
things are simply aren't true--we call that "lying"--in order to
convince people that things are different than they actually are. For
some reason, that pleases Bob.

It sounds like Bob needs to lie to the world in order to feel good about
his automotive purchases. That he needs the world to validate his
automotive purchases, is his problem. That he out and out lies, is
important for the world to know.
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Old 14 May 2011, 10:08 am   #10 (permalink)
Elmo P. Shagnasty
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Default Re: Electric AC Compressor in Dixie

In article
<491e6f0f-8bf1-49dd-8ad6-fe3647836b3e@y31g2000vbp.googlegroups.com>,
bwilson4web <bwilson4web@gmail.com> wrote:

> > He meant no double lip or other type mechanical shaft seal, I hope, of
> > course it still has the gaskets and O-rings which are... gasp... seals.

>
> Obvious you figured out what seals mean and that it has multiple
> meanings.


no, you were quite clear: "it has no seals". That's pretty definite
for a man who spends his life measuring the performance of his Prius
driving down his neighborhood street.

You also said "it doesn't produce CO", which is another definitive
statement.

You have a habit of making clearly definitive statements out of
ignorance, but then when called on them you backtrack with "well, you
know what I meant". No, Bob, we don't know what you meant. You made
clear and definitive statements, and you showed your ignorance.

And your backtracking reveals even more about who you are--or rather,
aren't.
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