Electrically-driven opposed flexible bellows pump and position-controlled opposed flexible bellows jack system
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United States of America Patent
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-
Jan 31, 1989
Grant Date -
N/A
app pub date -
Jun 4, 1985
filing date -
Jun 13, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible bellows connecting device which positions an output member has a pair of jacks (1,2) equipped with deformation sensors (12,13). A pair of variable capacity bellows pump reservoirs (3,4) permit predetermined motion of the jacks. An electric motor (19) drives the pump. The sensor signals provide deformation difference signal feedback to the electronic control system which may include a microprocessor (5) for closed loop position control.
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