Abstract: A laminated fuel cell plate has a sheet metal layer compression molded between two layers of expanded graphite. The sheet metal layer provides resilient support for making thinner plates. The sheet metal layer also functions as a permeability barrier, which allows the conductivity of the expanded graphite layers to be enhanced. Features are molded into the graphite layers for such purposes as alignment, sealing, and flow control.

Abstract: Permanent magnets are pre-positioned around an injection molded magnet carrier, and the magnet carrier together with the magnets is inserted through one end of a motor housing. Locating features of the magnet carrier position the magnets within the housing. Mounting features of the magnet carrier secure the magnets in place. Other features, including an end cap, can be appended to the magnet carrier to further aid assembly of the motor housing.

Abstract: An electric motor housing assembly (10) for electromechanical drives in automobiles is injection molded from a resin material. An armature bearing (18), mounting holes (30), and a flux ring (38) are molded in place within a housing (12) so that inner cylindrical surfaces (20 and 40) of the armature bearing and flux ring are centered with respect to the mounting holes (30) along a central axis (34). Protrusions (52 and 52) are molded through openings in the flux ring (38) for holding permanent magnets (44 and 46) in place against the flux ring.

Abstract: An electric motor assembly for housing assembly (10) for electromechanical drives in automobiles is injection molded from a resin material. An armature bearing (18), mounting holes (30), and a flux ring (38) are molded in place within a housing (12) so that inner cylindrical surfaces (20 and 40) of the armature bearing and flux ring are centered with respect to the mounting holes (30) along a central axis (34). Protrusions (52 and 52) are molded through openings in the flux ring (38) for holding permanent magnets (44 and 46) in place against the flux ring.