Theory Of Operation - Whirlpool Oasis HE 2006 Manual

PRODUCT OPERAT
THEORY OF OPERATCON
INTRQ)CbtdCH!ON
Basket-The
basket is designed
with
a
tra-
The Oasis Automatic Washer represents a
new design that differs from the traditional top
load machine. This washer operates without a
transmission, motor coupler, belt, basket drive
tube, or brake assembly.
ditionai balance
ring
at the top and a flotation
chamber at the base. The outside surface of
the basket is punched to allow lint to catch on
the holes during the wash cycle. When the
water drains, the lint will be flushed off and
out the drain.
NEW COMPONENTS
+ + . - "
"-
-*
1 .
?he washer has the foilowing new compo-
Balance Ring
-+
1 *
' 1
nents:
"",
-.
Drive
Motor-The drive motor is an electroni-
cally cornmutated direct drive 3-phase
brush-
Basket
less DC design that moves the irnpeIier/agitator
and spin basket without the use of a transmis-
sion. The motor is comprised
of
a stator that
Flota?ion
is bolted to the base of the washer tub and a
Chamber
rotor that i s attached to the drive shafa. The
motor direction and speed is controlled
by
the
rnachinefmotor controller, and i s monitored
by
Basket Hub-The basket hub consists of two
a rotor position sensor, (SIPS), located on the
splined components that engage or disengage
stator.
based on t h e position of the b a s ~ e t in the
vertical direction. The outer
hub
component
Drain Pump Recirculation Pump
I
i s fastened to the bottom of the basket, while
Inner
Hub
Outer
Hub
(Drive
Shaft)
(Basket)
Drive
Motor
Continued on
the
next page.