Drive connection for fuel pump rotor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Aug 21, 1990
filing date -
Aug 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel pump for an internal combustion engine has a rotor which is driven by the extended, rotating, mounting shaft of an electric motor armature. The shaft, with a round cross-section, extends through a round hole in the rotor with a firm fit but the shaft is slotted axially to receive the bight of a U-shaped wire which has slightly diverging legs. The rotor has axially directed, tapered, drive holes spaced from the axis on each side of the hole in the rotor. The legs project into the tapered drive holes and are retained by the resilience of the U-shaped wire.
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