Rotor

Details Rotor Rotor

1999-05-27

2000-12-05

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310236, 310237, 310234, 310 60A, 310 61, 310270, 310 71, H02K 122, H02K 346, H02K 3904, H02K 3906, H02K 3908

Patent

active

061571105

ABSTRACT:
A rotor for a fuel pump motor has a shaft and a rotor core fitted to the shaft. A commutator is located on the shaft adjacent one end of the rotor core. Windings wound around poles of the rotor core are connected to terminals of segments of the commutator. A cover is fitted to the other end of the rotor core covering the ends of the windings protruding from the core. The cover has axially extending legs which are pressed into gaps between adjacent heads of the rotor poles. The commutator has an integral shroud in the form of a radially outer peripheral skirt extending axially from a radial wall of the commutator base towards the rotor core to cover the terminals and the ends of the windings protruding from the commutator end of the rotor core. A gap is left between the rotor core and the skirt and there are holes in the cover and radial wall of the commutator for the passage of fuel to cool the rotor.

REFERENCES:
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patent: 4574210 (1986-03-01), Wieland
patent: 4656380 (1987-04-01), Strobl
patent: 4694211 (1987-09-01), Bayha et al.
patent: 4800315 (1989-01-01), Schulz et al.
patent: 5369326 (1994-11-01), Strobl
patent: 5607293 (1997-03-01), Luedtke
patent: 5679996 (1997-10-01), Strobl
patent: 5793140 (1998-08-01), Tuckey

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