F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 13/06 (2006.01) F02M 37/08 (2006.01) F02M 39/02 (2006.01) F02M 59/46 (2006.01) F04D 29/42 (2006.01) H02K 7/14 (2006.01)
Patent
CA 2315954
The integrated electric fuel pump (11) provides at least three sets of four internally threaded bores (21), one set on one side of the fluid pump housing (15), a second set oppositely located with respect to the first set, and a third set disposed toward the end of the fluid pump housing (15). This enables the integrated electric fuel pump (11) to be secured with four threaded members, complete with rubber isolators, and oriented in three ways, two involving a 180° rotation of the fuel pump (11) which will enable the inlet and outlet to change sides. At one end of the fluid pump housing (15), an electric motor (13, 101) is integrated with the brushes (111) of the motor (13, 101) supported by the integrated pump housing (15) to enable larger brushes (111) and longer urged brush support structures. The metal wall of the housing draws heat from the brushes (111) of the electric motor (13, 101), and provides spreading and larger surface radiation of the heat along the pump body as well as some heat transfer into the fuel passing within the pump body. A bypass system is included which incorporates a selectable bypass/return configuration in an elongate housing mounted along the bottom of the pump housing (15). The bypass uses a metal ball and spring pre-set for a maximum limit of outlet pressure beyond which recirculation will occur.
Kirby Eades Gale Baker
Rademacher John J.
LandOfFree
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