Lavage system with linear motor
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United States of America Patent
Stats
-
Dec 31, 1985
Grant Date -
N/A
app pub date -
Dec 1, 1982
filing date -
Dec 1, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear motor drives a reciprocating pump to produce a flow of lavage fluid. In the preferred embodiment the motor is a moving coil linear motor and the coil is attached to one plate of a drive member comprising a pair of circular plates connected by three shafts that slide in bearings passing through the motor core. Springs having varying coil spacing are seated between the plates and motor core to variably damp the motor's motion, with the strongest damping at the ends of its reciprocating stroke.
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