Light Duty Technology Cost Analysis, Power - US Environmental ...

The rotor shaft is mounted to an intermediate plate that provides the oscillating motion for
the scroll by utilizing an eccentric drive design on the end of the shaft (Figure D-72).
The scroll housing captures the intermediate plate to the main housing with threaded
fasteners.
Figure D-72: Eccentric Drive and Scroll Housing
The scroll housing is a machined aluminum die casting which mounts to the end of the
AC compressor (Figure D-73). This housing contains both inlet and outlet ports for the
AC refrigerant. One (1) of the three (3) AC compressor mounting bosses is cast into the
scroll housing.
Figure D-73: Scrolls and Scroll Housing with Mounting Boss for AC Compressor
D.6.2 Climate Control Cost Impact
The addition of the auxiliary coolant pump and associated hardware increases the heating
defrosting subsystem direct manufacturing cost of the Fusion HEV by $45.91 over the
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